CN207671799U - It is a kind of chemical except hard integrated system - Google Patents

It is a kind of chemical except hard integrated system Download PDF

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Publication number
CN207671799U
CN207671799U CN201721064564.7U CN201721064564U CN207671799U CN 207671799 U CN207671799 U CN 207671799U CN 201721064564 U CN201721064564 U CN 201721064564U CN 207671799 U CN207671799 U CN 207671799U
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China
Prior art keywords
water inlet
cyclone
reactor
static mixer
integrated system
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CN201721064564.7U
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Chinese (zh)
Inventor
李兆辉
霍涛
刘晓雨
薛彬
马宁平
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Beijing Beikong Industrial Environmental Technology Co ltd
Beijing Daxing Water Resources Bureau
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Beijing Daxing District Water Bureau
Clear Environment Project Co Ltd In Beijing North Central China
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Abstract

The utility model is related to a kind of chemistry to remove hard integrated system, including reactor, cerium sulphate crystal unit and be separated by filtration unit;The cerium sulphate crystal unit includes cyclone and static mixer;The water inlet of the cyclone is connect with the water outlet of the reactor;First water outlet of the cyclone is connect with the water inlet of the static mixer;Second water outlet of the cyclone is connect with the water inlet for being separated by filtration unit;Also with except hard base agent piping connection, the water outlet of the static mixer is connect the water inlet of the static mixer with the water inlet of the reactor.The beneficial effects of the utility model are:Jointly controlled by the dynamics and thermodynamics in reactor, makes, except being reacted firmly to the direction conversion for generating big crystal grain, to reduce the yield of colloid small crystal nucleus;Filter separator uses membrane filtration mode, and calcium and magnesium crystal to be filtered is all bigger than pore size filter, so filter separator is not easy to plug.

Description

It is a kind of chemical except hard integrated system
Technical field
The utility model belongs to technical field of sewage treatment equipment, and in particular to a kind of chemical except hard integrated system.
Background technology
It is anti-that chemistry removes the calcium ions and magnesium ions for being firmly exactly to be added in the alkaline agents, with water such as lime, sodium hydroxide, sodium carbonate into water It answers, calcium carbonate and magnesium hydrate precipitate is generated, to make the calcium ions and magnesium ions in water be separated with solid phase form.Chemistry is except actually Using it is reverse osmosis sewage is recycled before necessary process, only hardness is removed, can just prevent fouling.
It is applied to chemistry at present except hard reaction member includes mainly two parts, a part is chemical reactor, is mainly existed This occurs to remove hard chemical reaction, in equipment based on highly dense coagulating basin and reaction settling basin;Another part is filter, is made With being to be separated by filtration out the solid phase precipitation that hard reaction generates is removed, generally used in equipment conventional quartz sand filter or Tube-type micropore filter.
The defect that chemistry removes hard reactor part at present is that generally all only concern is except the thermodynamic process reacted firmly, i.e., Dosing dosage and reaction end, without focusing on except the dynamic process reacted firmly, that is, the calcium carbonate and magnesium hydroxide generated Crystal form, volume and the quantity of crystal.If only control reaction balance, the calcium and magnesium crystal generated will quantity it is more, volume It is small, it is most of to exist with colloidal state.The small crystal nucleus of generation is more, and the small crystal nucleus for entering downstream is more, small crystal nucleus of escaping Quantity it is more.
Utility model content
In view of the deficiencies in the prior art, the purpose of this utility model be to provide it is a kind of chemistry remove hard integrated system, The system can be while taking into account except hard thermodynamics of reactions balance, and control is except the dynamic process reacted firmly, in degree of supersaturation, crystalline substance Kind content, reaction time, reaction temperature etc. are controlled, and keep the calcium and magnesium crystal grain of generation big and full, are had more preferable Filtering settling property, and downstream nucleus quantity can be controlled.
The technical solution of the utility model is as follows:
A kind of chemistry removes hard integrated system, including reactor, cerium sulphate crystal unit and is separated by filtration unit;The crystallization control Unit processed includes cyclone and static mixer;The water inlet of the cyclone is connect with the water outlet of the reactor;It is described First water outlet of cyclone is connect with the water inlet of the static mixer;Second water outlet of the cyclone and the mistake Filter the water inlet connection of separative element;For the water inlet of the static mixer also with except hard base agent piping connection, the static state is mixed The water outlet of clutch is connect with the water inlet of the reactor.
Further, above-mentioned chemistry removes hard integrated system, and the water inlet of the reactor is connect with plumbing drain, is discharged Mouth is connect with the water inlet of the cyclone;The water outlet of the static mixer is connect with the water inlet of the reactor.
Further, above-mentioned chemistry removes hard integrated system, the water inlet of the water outlet of the reactor and the cyclone It is provided with discharging pump on pipeline between mouthful.
Further, above-mentioned chemistry removes hard integrated system, the water inlet of the static mixer and the cyclone The first regulating valve and first flowmeter are provided on pipeline between first water outlet;Second water outlet of the cyclone The second regulating valve and second flowmeter are provided on pipeline.
Further, above-mentioned chemistry removes hard integrated system, and the water inlet of the static mixer is provided with threeway, described Three ports of threeway are separately connected the water inlet of the static mixer, the first water outlet of the cyclone and except hard base agent Pipeline.
Further, above-mentioned chemistry removes hard integrated system, and the unit that is separated by filtration includes at least two concatenated thin Membrane filter;The waste liquid outlet of the water inlet of the membrane filter in downstream and the membrane filter of upstream connects.
Further, above-mentioned chemistry removes hard integrated system, and overhead gage and lower baffle plate are provided in the membrane filter, The filter core is mounted between overhead gage and lower baffle plate;It is respectively provided between the filter core and overhead gage, between filter core and lower baffle plate There is 0 type sealing ring.
Further, above-mentioned chemistry removes hard integrated system, and the filter core is that cavity is cylindric, including the filtering of internal layer is thin The supporting layer of film and outer layer;Cavity is the filtration channel between the water inlet and waste liquid outlet of the membrane filter;Film mistake The filtrate (liquid of filter is set to the side of the filter core.
Further, above-mentioned chemistry removes hard integrated system, water inlet, waste liquid outlet and the filter core of the membrane filter Axis is located at same straight line.
Further, above-mentioned chemistry removes hard integrated system, the waste liquid outlet for being separated by filtration unit and settler Water inlet connects;The overflow outlet of the settler is connect with the water inlet of the reactor;The row of being provided on the settler Cinder notch.
The beneficial effects of the utility model are as follows:
1, the utility model removes in hard reaction member, removes the dosage of hard base agent (lime, soda ash or caustic soda), belongs to heating power Control is learned, by the adjusting of dosage, controls reaction end, achievees the purpose that realize and quantitatively goes hardness in water removal;
2, in cerium sulphate crystal unit, pass through matching for the first water outlet of cyclone (top outflow the mouth of a river) and (underflow water outlet) It closes, realizes the control of seed count, while the lye by being filled in cyclone the first water outlet flow and static mixer Ratio cooperation, realize except react firmly degree of supersaturation control;
3, in the reactor of this system, with flow of inlet water (sewage input) and regurgitant volume (water yield of static mixer) Together, the control in reaction time is realized;
4, unit is isolated by filtration, to carrying out nucleus removal except the water after hard, effectively solves asking for downstream water outlet nucleus Topic;
5, in this system, jointly controlled by the dynamics and thermodynamics in reactor, make to react big brilliant to generating except hard The direction conversion of grain, reduces the yield of colloid small crystal nucleus;Moreover, in cerium sulphate crystal unit, detach, realizes through cyclone The separation of bulky grain calcium and magnesium crystal and little particle calcium and magnesium crystal, little particle calcium and magnesium crystal are sent back to reactor as brilliant again Kind uses, and bulky grain calcium and magnesium crystal is then sent into filter separator;The small crystal nucleus of filter separator is reduced by above two step, and mistake It filters separator and uses membrane filtration mode, calcium and magnesium crystal to be filtered is all bigger than pore size filter, so filter separator is not easy to block up Plug.
Description of the drawings
Fig. 1 is that a kind of chemistry of the utility model removes the structural schematic diagram of hard integrated system.
Fig. 2 is the structural schematic diagram of membrane filter in the utility model.
The structural schematic diagram of the filter core of the positions Fig. 3 the utility model.
In above-mentioned attached drawing, 1, reactor;2, it stirs;3, cyclone;4, static mixer;5, discharging pump;6, it first adjusts Valve;7, first flowmeter;8, the second regulating valve;9, second flowmeter;10, hard base agent pipeline is removed;11, membrane filter;12, it sinks Device drops;111, water inlet;112, filter housings;113, filtrate (liquid;114, waste liquid outlet;115, filter core;116, overhead gage; 117, lower baffle plate;1151, filter element upper cover;1152, sealing ring;1153, supporting layer;1154, filtration membrane;1155, filter core lower cover.
Specific implementation mode
Book is described in detail with reference to the accompanying drawings and examples.
As shown in Figure 1, the utility model, which provides a kind of chemistry, removes hard integrated system, including reactor 1, cerium sulphate crystal list Member and be separated by filtration unit;The cerium sulphate crystal system includes cyclone 3 and static mixer 4;The water inlet of the cyclone 3 It is connect with the water outlet of the reactor 1;First water outlet of the cyclone 3 connects with the water inlet of the static mixer 4 It connects;Second water outlet of the cyclone 3 is connect with the water inlet for being separated by filtration unit;The water inlet of the static mixer 4 Also with except hard base agent pipeline 10 is connect, the water outlet of the static mixer 4 is connect with the water inlet of the reactor 1.
The water outlet of the reactor 1 is connect with the water inlet of the cyclone 3;The water outlet of the static mixer 4 It is connect with the water inlet of the reactor 1.
The reactor 1 is the complete hybrid container of upper opening form, specially one rectangular or cylindrical cavity tank body, Have agitating device 2 above the cavity tank body, be specifically installed on shaft core position, the water inlet of reactor 1 be set as water inlet pipe and Return duct.Wherein agitating device 2 is located at the central upper portion position of cavity tank body, and water inlet pipe is located at the side of cavity tank body, is used for The sewage of plumbing drain is introduced, return duct is for introducing the phegma from static mixer 4.Outlet pipe (the water outlet of reactor 1 Mouthful) it is set to bottom, pass through flange and piping connection discharging pump 5.
It is provided with discharging pump 5 on pipeline between the water outlet of the reactor 1 and the water inlet of the cyclone 3, goes out Material pump 5 is centrifugal water pump, is specifically located on the outlet pipe of reactor 1.The bottom of the water inlet connection reactor 1 of discharging pump 5 Portion, water outlet connect cyclone 3 through outlet valve.
Further, above-mentioned chemistry removes hard integrated system, the water inlet of the static mixer 4 and the cyclone 3 The first water outlet between pipeline on be provided with the first regulating valve 6 and first flowmeter 7;Second water outlet of the cyclone 3 It is provided with the second regulating valve 8 and second flowmeter 9 on pipeline at mouthful.The top outflow mouth of a river (the first water outlet) is through the first regulating valve 6 and first flowmeter 7 be connected with static mixer 4.Underflow water outlet (the second water outlet) is through the second regulating valve 8 and second flow After meter 9, it is transported to exterior.
The water inlet of the static mixer 4 is provided with threeway, and three ports of the threeway are separately connected the static state The water inlet of mixer 4, the cyclone 3 the first water outlet and remove hard base agent pipeline 10.In this way, static mixer 4 into Liquid is that cyclone 3 pushes up outflow water and the mixed liquor except hard base liquid.Except the hard base liquid that removes in hard base agent pipeline 10 can be lime, burning The one or more of alkali or soda ash.The water outlet of static mixer 4, through flange and piping connection in the refluxing opening of reactor 1. The water inlet of the static mixer 4 is provided with threeway, and three ports of the threeway are separately connected the static mixer 4 Water inlet, the cyclone 3 the first water outlet and remove hard base agent pipeline 10.
In the present embodiment, first flowmeter 7 and second flowmeter 9 are spinner flowmeter.
In cerium sulphate crystal system, cyclone 3 plays the role of particle size sorting, and large-sized calcium and magnesium crystal is rich in underflow Collection, into being separated by filtration unit.The calcium and magnesium crystal of small particle is enriched in top is flowed, and the lye with addition is in static mixer 4 Mixing.The top stream valve of cyclone 3 (the first regulating valve 6) and underflow valve (the second regulating valve 8), are coordinated by valve position, can be controlled System top stream and underflow flow proportional.Top stream flow is big, more calcium and magnesium small crystals can be taken back, to control crystal seed quantity.Together When, top stream flow is big, in static mixer 4, can greatly dilute lye, to which control is except the supersaturation reacted firmly Degree.Vice versa.
In the present embodiment, the control of the factors such as seed count, degree of supersaturation and reaction time, belongs to dynamics Controlling, In conjunction with balance controlled to make the utility model realize except hard thermodynamics of reactions and dynamic (dynamical) jointly control so that generate The big quantity of calcium and magnesium crystal particle diameter it is few, optimize the filtering sedimentation function of magma.
In the present embodiment, crystal particle diameter is split using cyclone, is less than the calcium and magnesium crystal particles of cut diameter It returns to reactor 1 and carries out crystal growth, the calcium and magnesium crystal particles entrance more than cut diameter is separated by filtration unit and carried out Filter separation.
It is being separated by filtration cell mesh, if be only situated between using traditional quartz filter or quartz sand-anthracite are double Mass filter, these filters are all coarse filters, and interception function is not had to the hardness nucleus of the colloidal in water, once calcium Magnesium small crystal nucleus penetrates filter, enters downstream with water, and hard efficiency is removed to reduce.And tube-type micropore filters, filter core is primary The screen pipe of thermoplastic shaping is had micropore on tube wall, is filtered using micropore.In order to enhance the mechanical strength of screen pipe, tube wall Usually there are certain thickness, usual 3-5mm.Filtering micropore has to penetrate through this wall thickness, forms through-hole, can just play filtering and make With.The microstructure of this filtering micropore, it is usually sinuate, reach inner wall from outer wall.In filter process, calcium and magnesium colloid Small crystal nucleus will be embedded in filtering pore interior, lead to plugged filter.
Due to the equal inadequacy of above two filter, in the present embodiment, it is filtered using membrane filter, the filter Have the characteristics that filtration channel is short to be not easy to plug.
The unit that is separated by filtration of the present embodiment includes at least two concatenated membrane filters 11;To realize multi-filtering, Reinforce filter efficiency.The water inlet 111 of the membrane filter 11 in downstream and the waste liquid outlet 114 of the membrane filter 11 of upstream connect It connects.
As shown in Fig. 2, being provided with 116 He of overhead gage in the filter housings 112 of the membrane filter 11 of the utility model Lower baffle plate 117, filter core 115 are mounted between overhead gage 116 and lower baffle plate 117;Between the filter core 115 and overhead gage 116, filter 0 type sealing ring 1152 is both provided between core 115 and lower baffle plate 117.
115 structure of filter core of the utility model includes the filtration membrane 1154 of internal layer as shown in figure 3, for cavity cylindrical shape With the supporting layer 1153 of outer layer;Cavity is that the filtering between the water inlet 111 and waste liquid outlet 114 of the membrane filter 11 is logical Road;The filtrate (liquid 113 of membrane filter 11 is set to the side of the filter core 115.The filtration channel both ends are respectively set There are filter element upper cover 1151 and filter core lower cover 1155.
In the present embodiment, the water inlet 111 of the membrane filter 11, waste liquid outlet 114 and 115 axis of filter core are located at Same straight line, so that filtered fluid smooth can flow through each filter.
The implementation process of the utility model is as follows:
Sewage initially enters reactor 1, is mixed under the action of stirring with the liquid that goes out of static mixer 4 in reactor 1. It chemically reacts at this time, generates calcium carbonate and magnesium hydroxide solid.Because in static mixer 4, except hard base liquid is refluxed Dilution of sewage, therefore in reactor 1, except the degree of supersaturation that hard reaction occurs is greatly diminished, therefore be conducive to control reaction Process.
Discharging pump 5 is that the magma after reaction is completed enters cyclone 3 and provides power.
In cyclone 3, the connection of top outflow mouth of a river valve (the first regulating valve 6) and underflow water outlet valve (the second regulating valve 8) It closes and adjusts, the quantity and incising control of crystal seed return can be controlled.
In static mixer 4, addition except hard base liquid amount, estimated reaction balance can be controlled.
In membrane filter 11, magma is filtered, the water outlet of filtrate (liquid 113 as removing the softened water completed firmly, It is sent into other systems.The magma concentrated water that waste liquid outlet 114 flows out enters settler 12, and reactor is overflowed to from 12 top of settler 1。
When system needs outer row's crystalline substance slag, the bottom valve of settler 12 can be opened, deslagging is carried out.
Therefore, it is controlled by system as above, realizes to jointly controlling except the thermodynamics and kinetics reacted firmly, do The sorting to grain size is arrived, and membrane filter 11 is not easy to plug.
Obviously, those skilled in the art can carry out the utility model various modification and variations without departing from this practicality Novel spirit and scope.If in this way, belonging to claim and its same skill to these modifications and variations of the present invention Within the scope of art, then the utility model is also intended to include these modifications and variations.

Claims (10)

1. a kind of chemistry removes hard integrated system, including reactor (1), cerium sulphate crystal unit and is separated by filtration unit;The crystallization Control unit includes cyclone (3) and static mixer (4);The water inlet of the cyclone (3) goes out with the reactor (1) The mouth of a river connects;First water outlet of the cyclone (3) is connect with the water inlet of the static mixer (4);The cyclone (3) the second water outlet is connect with the water inlet for being separated by filtration unit;The water inlet of the static mixer (4) also with except Hard base agent pipeline (10) connects, and the water outlet of the static mixer (4) is connect with the water inlet of the reactor (1).
2. chemistry as described in claim 1 removes hard integrated system, it is characterised in that:The water inlet of the reactor (1) and dirt Water lines connect, and water outlet is connect with the water inlet of the cyclone (3);The water outlet of the static mixer (4) with it is described The water inlet of reactor (1) connects.
3. chemistry as described in claim 1 removes hard integrated system, it is characterised in that:The water outlet of the reactor (1) and institute It states and is provided with discharging pump (5) on the pipeline between the water inlet of cyclone (3).
4. chemistry as described in claim 1 removes hard integrated system, it is characterised in that:The water inlet of the static mixer (4) The first regulating valve (6) and first flowmeter (7) are provided on pipeline between the first water outlet of the cyclone (3);Institute It states and is provided with the second regulating valve (8) and second flowmeter (9) on the pipeline of the second water outlet of cyclone (3).
5. the chemistry as described in claim 1-4 is any removes hard integrated system, it is characterised in that:The static mixer (4) Water inlet is provided with threeway, and three ports of the threeway are separately connected the water inlet of the static mixer (4), the eddy flow First water outlet of device (3) and remove hard base agent pipeline (10).
6. chemistry as described in claim 1 removes hard integrated system, it is characterised in that:The unit that is separated by filtration includes at least two A concatenated membrane filter (11);The water inlet of the membrane filter (11) in downstream and the membrane filter (11) of upstream it is useless Liquid exports (114) connection.
7. chemistry as claimed in claim 6 removes hard integrated system, it is characterised in that:It is provided in the membrane filter (11) Overhead gage (116) and lower baffle plate (117), filter core (115) are mounted between overhead gage (116) and lower baffle plate (117);The filter core (115) between overhead gage (116), 0 type sealing ring (1152) is both provided between filter core (115) and lower baffle plate (117).
8. chemistry as claimed in claim 7 removes hard integrated system, it is characterised in that:The filter core (115) is that cavity is cylindric, The supporting layer (1153) of filtration membrane (1154) and outer layer including internal layer;Cavity is the water inlet of the membrane filter (11) (111) filtration channel between waste liquid outlet (114);The filtrate (liquid (113) of membrane filter (11) is set to the filter The side of core (115).
9. chemistry removes hard integrated system as claimed in claim 7 or 8, it is characterised in that:The membrane filter (11) into The mouth of a river (111), waste liquid outlet (114) and filter core (115) axis are located at same straight line.
10. the chemistry as described in claim 1-4,6-8 is any removes hard integrated system, it is characterised in that:It is described to be separated by filtration list The waste liquid outlet of member is connect with the water inlet of settler (12);Overflow outlet and the reactor (1) of the settler (12) Water inlet connection;It is provided with slag-drip opening on the settler (12).
CN201721064564.7U 2017-08-24 2017-08-24 It is a kind of chemical except hard integrated system Active CN207671799U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113716707A (en) * 2021-09-07 2021-11-30 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 Desulfurization wastewater softening system and method based on micro cyclone reactor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113716707A (en) * 2021-09-07 2021-11-30 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 Desulfurization wastewater softening system and method based on micro cyclone reactor

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Address after: 100025 6th Floor, West Wing Building, Sihui Building, 1008-B Huihe South Street, Sihui East, Chaoyang District, Beijing

Patentee after: Beijing Beikong Industrial Environmental Technology Co.,Ltd.

Patentee after: BEIJING DAXING WATER RESOURCES BUREAU

Address before: 100025 6th Floor, West Wing Building, Sihui Building, 1008-B Huihe South Street, Sihui East, Chaoyang District, Beijing

Patentee before: BEIJING BEIHUA ZHONGQING ENVIRONMENTAL ENGINEERING TECHNOLOGY CO.,LTD.

Patentee before: BEIJING DAXING WATER RESOURCES BUREAU