CN107487902A - A kind of divalent ion precipitate separator - Google Patents
A kind of divalent ion precipitate separator Download PDFInfo
- Publication number
- CN107487902A CN107487902A CN201710917837.6A CN201710917837A CN107487902A CN 107487902 A CN107487902 A CN 107487902A CN 201710917837 A CN201710917837 A CN 201710917837A CN 107487902 A CN107487902 A CN 107487902A
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- CN
- China
- Prior art keywords
- microfiltration
- divalent ion
- reactor
- ceramic membrane
- membrane device
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/02—Softening water by precipitation of the hardness
- C02F5/06—Softening water by precipitation of the hardness using calcium compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The present invention relates to a kind of divalent ion precipitate separator, be related to solid-liquid separating equipment field, solve filtering accuracy present in prior art not enough, poor filtration effect, can not especially continue the technical problem of normal operation.A kind of divalent ion precipitate separator of the present invention includes reactor and micron-sized microfiltration of ceramic membrane device, pass through microfiltration of ceramic membrane device, clarified permeation liquid containing small molecule components such as other ions, water in dirty material suspension can be oozed out through ceramic-film tube, so as to which precipitate be separated from the water, the monovalent ion aqueous solution of cleaning is obtained.
Description
Technical field
The present invention relates to technical field of solid-liquid separation equipment, a kind of particularly divalent ion precipitate separator.
Background technology
In existing solid-liquid separating equipment, the filtering for divalent ion precipitate is filtered generally by filtrate,
And the particle of generally filtrate is larger, therefore has part precipitate and be missed, so that filtering accuracy is inadequate, poor filtration effect；
Especially with the lasting progress of filtering, because trapped substance (dirty material) is dilute thick, filtrate is easily hardened, causes equipment not hold
Continuous normal operation.
The content of the invention
The present invention provides a kind of divalent ion precipitate separator, for solving filtering accuracy present in prior art
Not enough, poor filtration effect, the technical problem of normal operation can not especially be continued.
The present invention provides a kind of divalent ion precipitate separator, including reactor and micron-sized microfiltration of ceramic membrane
Device, the port of export of the reactor are connected with the arrival end of the microfiltration of ceramic membrane device, and the first of the microfiltration of ceramic membrane device goes out
Mouth end is connected with the arrival end of the reactor；
The inside of the reactor is disposed with mixed zone, settling zone and gathering ground, the water inlet of the reactor
Place is provided with the first chemicals dosing plant for adding calcium oxide and the second chemicals dosing plant for adding sodium carbonate.
In one embodiment, in addition to water mixer, first chemicals dosing plant and second chemicals dosing plant are entered
Respectively with it is described enter water mixer entrance be connected, it is described enter water mixer outlet be connected with the reactor water inlet.
In one embodiment, the microfiltration of ceramic membrane device includes housing, and the housing is internally provided with multiple potteries
Porcelain membrane tube.
In one embodiment, axial direction extension of the ceramic-film tube along the housing, multiple ceramic membranes
Radial direction spaced set of the pipe along the housing.
In one embodiment, the ceramic-film tube includes porous support layer, the transition zone set gradually from outside to inside
And separating layer, the aperture of the porous support layer are more than the aperture of the transition zone, the aperture of the transition zone is more than described point
The aperture of absciss layer.
In one embodiment, the side of the housing is provided with purified liquor outlet and controls liquid flow in the purified liquor outlet
The production water valve of amount.
In one embodiment, the purified liquor outlet is connected with backwashing pump, and the purified liquor outlet and the backwashing pump
Between be provided with backwash intake valve.
In one embodiment, the second outlet of the microfiltration of ceramic membrane device, which is brought out, is provided with drain valve.
In one embodiment, the arrival end of the reactor is separately positioned on the mixed zone and the gathering ground；
The first return valve, the ceramics are provided between the first exit end of the microfiltration of ceramic membrane device and the gathering ground
The second return valve is provided between the first exit end of membrane microfiltration device and the mixed zone.
In one embodiment, between the arrival end of the port of export of the reactor and the microfiltration of ceramic membrane device successively
It is connected with pump inlet valve, raw material pump, check-valves and pump discharge valve；
The bottom of the mixed zone, the settling zone and the gathering ground is provided with blowoff valve.
Compared with prior art, it is an advantage of the current invention that by by the first chemicals dosing plant and the second chemicals dosing plant with entering
Water mixer is connected, and enters after being sufficiently mixed calcium oxide and calcium carbonate with water in the reaction zone of reactor, and with calcic,
The haline water of magnesium and sulfate ion is fully reacted in reaction zone, and can obtain calcium sulfate, magnesium hydroxide and calcium carbonate etc.
Precipitate；And in reactor, the precipitate that can not partly precipitate in time is suspended by dirty material then by microfiltration of ceramic membrane device
The clarified permeation liquid containing small molecule components such as other ions, water oozes out through ceramic-film tube in liquid, so as to efficiently separating and
Scale removal material is removed, ensures the lasting normal operation of equipment, so as to persistently obtain the aqueous solution of cleaning, and is provided for follow-up water process
Ensure.Therefore, divalent ion precipitate separator provided by the invention can be applied to high saliferous desulfurization wastewater, reverse osmosis concentrated water
And cooling cycle bleeder Water Sproading depth process field, such as：The industries such as generating, pharmacy, printing and dyeing, papermaking.
Brief description of the drawings
The invention will be described in more detail below based on embodiments and refering to the accompanying drawings.
Fig. 1 is a kind of structural representation of divalent ion precipitate separator of the present invention.
In the accompanying drawings, identical part uses identical reference.Accompanying drawing is not drawn according to the ratio of reality.
Reference：
1- reactors；2- raw material pumps；3- enters water mixer；
4- microfiltration of ceramic membrane devices；5- pump discharge valves；6- pump inlet valves；
7- check-valves；The chemicals dosing plants of 8- first；The chemicals dosing plants of 9- second；
11- mixed zones；12- settling zones；13- gathering grounds；
14- blowoff valves；41- housings；42- ceramic-film tubes；
43- purified liquor outlets；44- backwash intake valves；45- produces water valve；
46- drain valves；The return valves of 47- first；The return valves of 48- second.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in figure 1, the present invention provides a kind of divalent ion precipitate separator, including reactor 1 and micron-sized
Microfiltration of ceramic membrane device 4, the port of export of reactor 1 are connected with the arrival end of microfiltration of ceramic membrane device 4, and the first of microfiltration of ceramic membrane device 4
The port of export is connected with the arrival end of reactor 1.By microfiltration of ceramic membrane device 4 can abundant impurity screening, and obtain preferable liquid
Body medium.
Wherein, the inside of reactor 1 is disposed with mixed zone 11, settling zone 12 and gathering ground 13.Above-mentioned mixing
Area 11, settling zone 12 and gathering ground 13 can be set according to the order shown in Fig. 1 from left to right.Three above-mentioned regions are mutual
Connect, after the liquid in reactor 1 is first well mixed in mixed zone 11, into settling zone 12, precipitate exists in settling zone 12
This is precipitated, and subsequent liquid enters gathering ground 13.
In addition, the water inlet of reactor 1 is provided with for adding the first chemicals dosing plant of calcium oxide 8 and for adding carbonic acid
Second chemicals dosing plant 9 of sodium.Wherein, the water inlet of reactor 1 is arranged at mixed zone 11, and the port of export of reactor 1 is arranged on
At gathering ground 13.
In addition, dosing pump and control valve are also associated with the first chemicals dosing plant 8, similarly, on the second chemicals dosing plant 9
Also dosing pump and control valve are connected with.
The device of the present invention is also included into water mixer 3, the first chemicals dosing plant 8 and the second chemicals dosing plant 9 respectively with water inlet
The entrance of blender 3 is connected, and the outlet for entering water mixer 3 is connected with the water inlet of reactor 1, can by entering water mixer 3
It is being added to reactor 1 after sodium carbonate in calcium oxide in first chemicals dosing plant 8 and the second chemicals dosing plant 9 is well mixed
In.
After the haline water of calcic, magnesium and sulfate ion is entered in reactor 1 by water inlet, filled by the first dosing
Put 8 and second chemicals dosing plant 9 add calcium oxide and sodium carbonate into reactor 1, generation calcium ion (Ca2+) and hydroxide ion
(OH-), and produce chemical reaction in reactor 1 with haline water, obtain the precipitates such as calcium sulfate, magnesium hydroxide and calcium carbonate.
Specific reaction equation is as follows：
Mg2++2OH-=Mg (OH)2↓
And the precipitate that can not be precipitated in time in the inside points of reactor 1, then carried out by microfiltration of ceramic membrane device 4 at filtering
Reason, to obtain the clean aqueous solution.
Microfiltration of ceramic membrane device 4 includes housing 41, and housing 41 is internally provided with multiple ceramic-film tubes 42.In filter process
In, the suspension to be separated flow at high speed in ceramic-film tube 42, under the driving of the pressure of raw material pump 2, the water containing monovalent ion
The inside permeation ceramic membrane pipe 42 of solution, and outside is transported to by purified liquor outlet 43；The composition containing bivalent ions macromolecular mixes
Turbid concentrate is left by ceramic-film tube 42, and is delivered to reactor 1 again, through being arranged outside further flocculation sediment, makes so as to reach
Fluid reaches the purpose of separation.
Further, axial direction extension of the ceramic-film tube 42 along housing 41, footpath of multiple ceramic-film tubes 42 along housing 41
To direction spaced set.
Specifically, ceramic-film tube 42 includes porous support layer, transition zone and the separating layer set gradually from outside to inside, porous
The aperture of supporting layer is more than the aperture of transition zone, and the aperture of transition zone is more than the aperture of separating layer.Wherein, the hole of porous support layer
Footpath is generally 1~20 μm, and it is the mechanical strength for increasing film that it, which is acted on,；The aperture of the aperture ratio supporting layer of transition zone is small, and it is acted on
It is to prevent infiltration of the particle to porous support layer in film layer preparation process；Separating layer has separation function, and aperture is generally 0.8nm
~1 μm.The pore-size distribution of whole film is gradually reduced by supporting layer to separating layer, forms asymmetric structure distribution.
The side of housing 41 is provided with purified liquor outlet 43 and controls the production water valve 45 of fluid flow in purified liquor outlet 43, produces water valve
45 flowing for controlling liquid, it is main on pipeline to play cut-out and throttling action.Butterfly valve 6 is connected to clear liquid collecting box, infiltration
The aqueous solution containing monovalent ion out, flowed out through purified liquor outlet 43, and clear liquid collecting box is flowed into after production water valve 45 is opened.
Therefore, by microfiltration of ceramic membrane device 4, divalent ion precipitate can be separated from the water, and obtains the one of cleaning
Valency deionized water solution.
In addition, purified liquor outlet 43 is connected with compressed air inlet, and set between purified liquor outlet 43 and compressed air inlet
There is backwash intake valve 44.
And the second outlet of microfiltration of ceramic membrane device 4, which is brought out, is provided with drain valve 46, and backwash intake valve 44 is opened, can
Gas bleed is carried out to microfiltration of ceramic membrane device 4, and discharged from drain valve 46, to ensure the cleaning of microfiltration of ceramic membrane device 4
Degree, the blockage phenomenon of microfiltration of ceramic membrane device 4 is prevented, ensure the lasting normal operation of microfiltration of ceramic membrane device 4.
The arrival end of reactor 1 is separately positioned on the mixed zone 11 and the gathering ground 13；Due to microfiltration of ceramic membrane device 4
First exit end in dope can be recycled in reactor 1 and continue precipitation process, therefore the of microfiltration of ceramic membrane device 4
The first return valve 47, first exit end and the mixed zone 11 of microfiltration of ceramic membrane device 4 are provided between one port of export and gathering ground 13
Between be provided with the second return valve 48.
Be connected with turn between the port of export of reactor 1 and the arrival end for entering water mixer 3 pump inlet valve 6, raw material pump 2,
Check-valves 7 and pump discharge valve.Check-valves 7 is also known as check (non-return) valve, ball-and-seat, check valve or non-return valve, and it, which is acted on, is ensured in pipeline
Suspension directed flow and will not flow backwards, and then improve the speed and efficiency of filtering.
Liquid is pressurizeed by raw material pump 2, the liquid in reactor 1 is enough pressed into microfiltration of ceramic membrane device 4 and carries out
Filtering, enter the arrival end of reactor 1 from the port of export of microfiltration of ceramic membrane device 4 again afterwards, repeatedly circulated afterwards, until reaching
To filtering requirement.
In addition the bottom of mixed zone 11, settling zone 12 and gathering ground 13 is provided with blowoff valve 14, passes through blowoff valve 14
Impurity in above three region can be discharged.
In summary, divalent ion precipitate separator of the invention, the pressure provided by raw material pump 2, makes reaction
The suspension that device 1 flows into microfiltration of ceramic membrane device 4 can be rapidly and efficiently the aqueous solution containing monovalent ion is oozed through ceramic-film tube 42
Go out, leave the muddy concentrate of the composition containing bivalent ions macromolecular, and the muddy concentrate is again returned to reactor 1, and
Through being arranged outside further flocculation sediment, concentrating and separating efficiency can be further improved.
Although by reference to preferred embodiment, invention has been described, is not departing from the situation of the scope of the present invention
Under, various improvement can be carried out to it and part therein can be replaced with equivalent.Especially, as long as being rushed in the absence of structure
Prominent, the every technical characteristic being previously mentioned in each embodiment can combine in any way.The invention is not limited in text
Disclosed in specific embodiment, but all technical schemes including falling within the scope of the appended claims.
Claims (10)
1. a kind of divalent ion precipitate separator, it is characterised in that including reactor (1) and micron-sized microfiltration of ceramic membrane
Device (4), the port of export of the reactor (1) are connected with the arrival end of the microfiltration of ceramic membrane device (4), the microfiltration of ceramic membrane device
(4) first exit end is connected with the arrival end of the reactor (1)；
The inside of the reactor (1) is disposed with mixed zone (11), settling zone (12) and gathering ground (13), the reaction
The water inlet of device (1) be provided with the first chemicals dosing plant (8) for adding calcium oxide and for add sodium carbonate second plus
Medicine device (9).
2. divalent ion precipitate separator according to claim 1, it is characterised in that also include into water mixer
(3), first chemicals dosing plant (8) and second chemicals dosing plant (9) respectively with it is described enter water mixer (3) entrance phase
Even, it is described enter water mixer (3) outlet be connected with the reactor (1) water inlet.
3. divalent ion precipitate separator according to claim 1 or 2, it is characterised in that the microfiltration of ceramic membrane
Device (4) includes housing (41), and the housing (41) is internally provided with multiple ceramic-film tubes (42).
4. divalent ion precipitate separator according to claim 3, it is characterised in that ceramic-film tube (42) edge
The axial direction extension of the housing (41), radial direction of multiple ceramic-film tubes (42) along the housing (41) are equidistant
Set.
5. divalent ion precipitate separator according to claim 4, it is characterised in that ceramic-film tube (42) bag
The porous support layer set gradually from outside to inside, transition zone and separating layer are included, the aperture of the porous support layer is more than the mistake
The aperture of layer is crossed, the aperture of the transition zone is more than the aperture of the separating layer.
6. divalent ion precipitate separator according to claim 5, it is characterised in that the side of the housing (41)
Production water valve (45) provided with fluid flow in purified liquor outlet (43) and the control purified liquor outlet (43).
7. divalent ion precipitate separator according to claim 6, it is characterised in that the purified liquor outlet (43) with
Backwashing pump is connected, and backwash intake valve (44) is provided between the purified liquor outlet (43) and the backwashing pump.
8. divalent ion precipitate separator according to claim 1 or 2, it is characterised in that the microfiltration of ceramic membrane
The second outlet of device (4), which is brought out, is provided with drain valve (46).
9. divalent ion precipitate separator according to claim 1 or 2, it is characterised in that the reactor (1)
Arrival end is separately positioned on the mixed zone (11) and the gathering ground (13)；
The first return valve (47) is provided between the first exit end of the microfiltration of ceramic membrane device (4) and the gathering ground (13),
The second return valve (48) is provided between the first exit end of the microfiltration of ceramic membrane device (4) and the mixed zone (11).
10. divalent ion precipitate separator according to claim 1 or 2, it is characterised in that the reactor (1)
The port of export and the microfiltration of ceramic membrane device (4) arrival end between be connected with pump inlet valve (6), raw material pump (2), non-return in turn
Valve (7) and pump discharge valve (5)；
The bottom of the mixed zone (11), the settling zone (12) and the gathering ground (13) is provided with blowoff valve (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710917837.6A CN107487902A (en) | 2017-09-30 | 2017-09-30 | A kind of divalent ion precipitate separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710917837.6A CN107487902A (en) | 2017-09-30 | 2017-09-30 | A kind of divalent ion precipitate separator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107487902A true CN107487902A (en) | 2017-12-19 |
Family
ID=60653324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710917837.6A Pending CN107487902A (en) | 2017-09-30 | 2017-09-30 | A kind of divalent ion precipitate separator |
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| Country | Link |
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| CN (1) | CN107487902A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108928912A (en) * | 2018-07-23 | 2018-12-04 | 浙江利欧环保科技有限公司 | A kind of microkinetic gravity flow MBR equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07178323A (en) * | 1993-12-24 | 1995-07-18 | Ngk Insulators Ltd | Method for backwashing ceramic membrane |
| CN203668071U (en) * | 2013-12-25 | 2014-06-25 | 江苏久吾高科技股份有限公司 | Water purifier adopting ceramic membrane |
| CN104860447A (en) * | 2015-06-03 | 2015-08-26 | 北京朗新明环保科技有限公司南京分公司 | Novel wet-process flue gas desulfurization wastewater treatment system |
| CN105645625A (en) * | 2014-11-13 | 2016-06-08 | 北京中电加美环保科技有限公司 | High-efficiency high-recovery-rate reverse osmosis dense water recycling treatment method and system |
| CN207259293U (en) * | 2017-09-30 | 2018-04-20 | 淄博格瑞水处理工程有限公司 | A kind of divalent ion precipitate separator |
-
2017
- 2017-09-30 CN CN201710917837.6A patent/CN107487902A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07178323A (en) * | 1993-12-24 | 1995-07-18 | Ngk Insulators Ltd | Method for backwashing ceramic membrane |
| CN203668071U (en) * | 2013-12-25 | 2014-06-25 | 江苏久吾高科技股份有限公司 | Water purifier adopting ceramic membrane |
| CN105645625A (en) * | 2014-11-13 | 2016-06-08 | 北京中电加美环保科技有限公司 | High-efficiency high-recovery-rate reverse osmosis dense water recycling treatment method and system |
| CN104860447A (en) * | 2015-06-03 | 2015-08-26 | 北京朗新明环保科技有限公司南京分公司 | Novel wet-process flue gas desulfurization wastewater treatment system |
| CN207259293U (en) * | 2017-09-30 | 2018-04-20 | 淄博格瑞水处理工程有限公司 | A kind of divalent ion precipitate separator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108928912A (en) * | 2018-07-23 | 2018-12-04 | 浙江利欧环保科技有限公司 | A kind of microkinetic gravity flow MBR equipment |
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