CN104003476B - Electrolytic manganese wastewater ion exchange treatment system adopting aeration type ion exchange devices - Google Patents
Electrolytic manganese wastewater ion exchange treatment system adopting aeration type ion exchange devices Download PDFInfo
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- CN104003476B CN104003476B CN201410248700.2A CN201410248700A CN104003476B CN 104003476 B CN104003476 B CN 104003476B CN 201410248700 A CN201410248700 A CN 201410248700A CN 104003476 B CN104003476 B CN 104003476B
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Abstract
The invention discloses an electrolytic manganese wastewater ion exchange treatment system adopting aeration type ion exchange devices. The electrolytic manganese wastewater ion exchange treatment system is characterized in that a wastewater storage pond (4) is connected with lower liquid feeding and discharging holes of an ion exchanger A (1) and an ion exchanger B (2) respectively; a regeneration liquid preparation pond (3) is connected with upper liquid feeding and discharging holes of the ion exchanger A (1) and the ion exchanger B (2) respectively; a valve is arranged on a pipeline; both the ion exchanger A (1) and the ion exchanger B (2) are the full-contact aeration type ion exchange devices. The electrolytic manganese wastewater ion exchange treatment system has the beneficial effects that the system operating efficiency is improved, the continuous adsorption of equipment is ensured, a process is realized by controlling the valve to be opened and closed, a control process is simple and stable, a control mode is simple and easy to operate, the adjustment is quick, and the outlet water quality can meet the standard; the full-contact aeration type ion exchange devices are adopted, so that resin can be in full contact with water to be treated and full adsorption is ensured.
Description
Technical field
The present invention relates to ion exchange unit technical field, particularly a kind of Electrolytic Manganese Wastewater ion exchange treatment system adopting aeration type ion exchange unit.
Background technology
Ion exchange technique has in water treatment field to be applied very widely, the inorganic salts in can going out to anhydrate more thoroughly by ion-exchange.Ion-exchange unit is widely used in fields such as medicine, chemical industry, electronics, application, beverage and high pressure boiler water supplies.The exchange resin added in ion exchange unit can lose efficacy after equipment runs one end time, need to carry out manipulation of regeneration, and system needs run continuously for 24 hours, therefore much domestic ion exchange system mostly adopts a set of operation, a set of method process for subsequent use, make ion-exchange unit cost high, floor space is large.
Existing apparatus great majority adopt Non-follow control or semiautomatic controls mode to run, and ion exchange system valve is various, and operating process is loaded down with trivial details; Existing apparatus employing online detection instrument detection effluent quality carrys out feedback system and carries out the switching of adsorption-regeneration process, online equipment Inspection water sample is consuming time longer, if feedback information, in time switching adsorption-regeneration process not in time, resin excess load can be caused to adsorb, and water outlet momentary value exceeds standard.
Summary of the invention
The object of the invention is to the shortcoming overcoming prior art, provide a kind of control mode terse easy to operate, the Electrolytic Manganese Wastewater ion exchange treatment system that adopts aeration type ion exchange unit.
Object of the present invention is achieved through the following technical solutions: a kind of Electrolytic Manganese Wastewater ion exchange treatment system adopting aeration type ion exchange unit, it comprises ion-exchanger A, ion-exchanger B, regeneration dosing pond and wastewater holding chamber, the water outlet of wastewater holding chamber connects the lower liquid import and export of ion-exchanger A and the lower liquid import and export of ion-exchanger B respectively by pipeline, and connect on pipeline that the water outlet of wastewater holding chamber and the lower liquid of ion-exchanger A import and export and be provided with valve A, the pipeline that the connection water outlet of wastewater holding chamber and the lower liquid of ion-exchanger B are imported and exported is provided with valve B, the water outlet in regeneration dosing pond connects the upper liquid import and export of ion-exchanger A and the upper liquid import and export of ion-exchanger B respectively by pipeline, and connect on the regeneration water outlet in dosing pond and the pipeline imported and exported of the upper liquid of ion-exchanger A and be provided with valve C, the pipeline that the connection regeneration water outlet in dosing pond and the upper liquid of ion-exchanger B are imported and exported is provided with valve D, the lower liquid of ion-exchanger A is imported and exported and is also connected water port A respectively by pipeline A with pipeline B with upper liquid import and export, and pipeline A and pipeline B is respectively arranged with valve E and valve F, the lower liquid of ion-exchanger B is imported and exported and is also connected water port B respectively by pipeline C with pipeline D with upper liquid import and export, and pipeline C and pipeline D is respectively arranged with valve G and valve H, described ion-exchanger A and ion-exchanger B is Full connected aeration type ion exchange unit, Full connected aeration type ion exchange unit comprises tank body, the bottom of tank body is provided with bracing frame, tank interior separated by spaces is upper chamber and lower chambers by bracing frame, upper chamber is built with ion exchange resin, bracing frame is for supporting the ion exchange resin in upper chamber, bracing frame is provided with the path passed through for fluid, the tank body being positioned at bracing frame bottom is provided with the lower liquid being communicated with tank interior to import and export and inlet mouth, the bottom in tank interior space is provided with water distributor, lower liquid is imported and exported and is communicated with water distributor, the bottom of tank body is provided with slag-drip opening, the top in tank interior space is provided with triphase separator, described triphase separator comprises the annular choke precipitation plate be arranged in inner tank wall, be arranged at the gas skirt on annular choke precipitation plate top and be arranged at the overflow weir on gas skirt top, formed to reflux between annular choke precipitation plate and gas skirt and stitch, tank body top is provided with venting port, venting port is from the connected set gas hood internal space, top of gas skirt, tank body top is provided with upper liquid and imports and exports, upper liquid is imported and exported and is communicated with overflow weir.
The water outlet of described wastewater holding chamber is connected with lift pump and one way stop peturn valve A in turn, and the water outlet of one way stop peturn valve A connects the water-in of valve A and valve B respectively by pipeline; The water outlet in regeneration dosing pond is connected with regenerative pump and one way stop peturn valve B in turn, and the water outlet of one way stop peturn valve B connects the water-in of valve C and valve D respectively by pipeline.
Be provided with level monitoring device A in described wastewater holding chamber, regeneration is provided with level monitoring device B in dosing pond.
The water outlet of described one way stop peturn valve A is provided with under meter A, the water outlet of one way stop peturn valve B is provided with under meter B.
Described tank body is also provided with porthole.
The present invention has the following advantages: the present invention can carry out Whole Process Control as controling parameters the time, and based on the operating parameter designed in advance and debug process is determined, control whole process and run, running efficiency of system improves; The present invention comprises two ion-exchangers be set up in parallel, after the absorption of one of them ion-exchanger is saturated, change liquid-flow pipeline is opened and closed by by-pass valve control, the saturated ion-exchanger of absorption is regenerated, absorption is proceeded by another ion-exchanger, thus ensure that the continuous adsorption of equipment, the realization of this process is realized by the keying of by-pass valve control, and control process is simple, stable.
The present invention only adopts the time to control, and can be aided with ammonia nitrogen on-line monitoring as controling parameters, and control mode is terse easy to operate; The present invention, not using on-line monitoring equipment index as main feedback regulation parameter, using the time as controling parameters, without the need to water-quality guideline feedback, regulates fast, can ensure that effluent quality is up to standard, does not occur feedback delay and the phenomenon that causes exceeding standard; Regenerative process also includes span of control in, really realizes ion-exchange Whole Process Control; By the time as controling parameters, can effective energy efficient, improve resin life cycle and service efficiency.
Ion-exchanger A of the present invention and ion-exchanger B is Full connected aeration type ion exchange unit, Full connected aeration type ion exchange unit structure is simple, gas collection water backwashing function is in one, in adsorption process, water inlet absorption simultaneously, pass into air and form disturbance, resin is fully contacted with pending water, ensure fully to adsorb; After having adsorbed, resin is cleaned, loosen resin bed, reduce short stream, make resin can fully and waste water; Improve processing efficiency, resin can mix with uniform liquid by the setting of aeration devices, and can not damage ion exchange resin, is conducive to heavily absorption and the regeneration of ion exchange resin.Effectively floating resin particle can be precipitated in time in remittance resin layer by arranging triphase separator, and the liquid after process is discharged through overflow weir, the air passed into then is discharged from gas skirt outlet, resin particle can be fully made fully to mix with pending solution, improve resin effective ratio area rate of utilization, can avoid again forming air bag in tank body, produce malleation and cause water outlet not smooth.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention
Fig. 2 is the broken section structural representation of Full connected aeration type ion exchange unit of the present invention
Fig. 3 is the external structure schematic diagram of Full connected aeration type ion exchange unit of the present invention
Fig. 4 is the left TV structure schematic diagram of Full connected aeration type ion exchange unit of the present invention
In figure, 1-ion-exchanger A, 2-ion-exchanger B, 3-regenerates dosing pond, 4-wastewater holding chamber, 5-pipeline A, 6-pipeline B, 7-water port A, 8-pipeline C, 9-pipeline D, 10-water port B, 11-motorized valve A, 12-motorized valve B, 13-motorized valve C, 14-motorized valve D, 15-motorized valve E, 16-motorized valve F, 17-motorized valve G, 18-motorized valve H, 19-lift pump, 20-one way stop peturn valve A, 21-regenerative pump, 22-one way stop peturn valve B, 23-liquid level sensor A, 24-liquid level sensor B, 25-under meter A, 26-under meter B, 27-tank body, 28-bracing frame, 29-ion exchange resin, 30-lower liquid is imported and exported, 31-inlet mouth, 32-water distributor, 33-annular choke precipitation plate, 34-gas skirt, 35-overflow weir, 36-refluxes seam, 37-slag-drip opening, 38-upper liquid is imported and exported, 39-venting port, 40-porthole.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described, and protection scope of the present invention is not limited to the following stated:
As shown in Figure 1, a kind of Electrolytic Manganese Wastewater ion exchange treatment system adopting aeration type ion exchange unit, it comprises ion-exchanger A1, ion-exchanger B2, regeneration dosing pond 3 and wastewater holding chamber 4, the water outlet of wastewater holding chamber 4 connects the lower liquid import and export of ion-exchanger A1 and the lower liquid import and export of ion-exchanger B2 respectively by pipeline, and connect on pipeline that the water outlet of wastewater holding chamber 4 and the lower liquid of ion-exchanger A1 import and export and be provided with valve A11, the pipeline that the connection water outlet of wastewater holding chamber 4 and the lower liquid of ion-exchanger B2 are imported and exported is provided with valve B12, the water outlet in regeneration dosing pond 3 connects the upper liquid import and export of ion-exchanger A1 and the upper liquid import and export of ion-exchanger B2 respectively by pipeline, and connect on the regeneration water outlet in dosing pond 3 and the pipeline imported and exported of the upper liquid of ion-exchanger A1 and be provided with valve C13, the pipeline that the connection regeneration water outlet in dosing pond 3 and the upper liquid of ion-exchanger B2 are imported and exported is provided with valve D14, the lower liquid of ion-exchanger A1 is imported and exported and is also connected water port A7 respectively by pipeline A5 with pipeline B6 with upper liquid import and export, and pipeline A5 and pipeline B6 is respectively arranged with valve E15 and valve F16, the lower liquid of ion-exchanger B2 is imported and exported and is also connected water port B10 respectively by pipeline C8 with pipeline D9 with upper liquid import and export, and pipeline C8 and pipeline D9 is respectively arranged with valve G17 and valve H18.
As Fig. 2, Fig. 3, shown in Fig. 4, described ion-exchanger A1 and ion-exchanger B2 is Full connected aeration type ion exchange unit, Full connected aeration type ion exchange unit comprises tank body 27, the bottom of tank body 27 is provided with bracing frame 28, tank body 27 internal space is divided into upper chamber and lower chambers by bracing frame 28, upper chamber is built with ion exchange resin 29, bracing frame 28 is for supporting the ion exchange resin 29 in upper chamber, bracing frame 28 is provided with the path passed through for fluid, the tank body 27 being positioned at bracing frame 28 bottom is provided with the lower liquid being communicated with tank body 27 inside and imports and exports 30 and inlet mouth 31, the bottom of tank body 27 internal space is provided with water distributor 32, lower liquid is imported and exported 30 and is communicated with water distributor 32, the bottom of tank body 27 is provided with slag-drip opening 37, the top of tank body 27 internal space is provided with triphase separator, described triphase separator comprises the annular choke precipitation plate 33 be arranged on tank body 27 inwall, be arranged at the gas skirt 34 on annular choke precipitation plate 33 top and be arranged at the overflow weir 35 on gas skirt 34 top, the seam 36 that refluxes is formed between annular choke precipitation plate 33 and gas skirt 34, tank body 27 top is provided with venting port 39, venting port 39 is from connected set gas hood 34 internal space, top of gas skirt 34, tank body 27 top is provided with upper liquid and imports and exports 38, upper liquid is imported and exported 38 and is communicated with overflow weir 35.
The water outlet of wastewater holding chamber 4 is connected with lift pump 19 and one way stop peturn valve A20 in turn, and the water outlet of one way stop peturn valve A20 connects the water-in of valve A11 and valve B12 respectively by pipeline; The water outlet in regeneration dosing pond 3 is connected with regenerative pump 21 and one way stop peturn valve B22 in turn, and the water outlet of one way stop peturn valve B22 connects the water-in of valve C13 and valve D14 respectively by pipeline.
Level monitoring device A23 is provided with in described wastewater holding chamber 4, regeneration is provided with level monitoring device B24 in dosing pond 3, monitoring device A23 and level monitoring device B24 Real-Time Monitoring show the level value of wastewater holding chamber 4 and the level value in regeneration dosing pond 3 respectively, operator read the liquid level in wastewater holding chamber 4 and regeneration dosing pond 3 in real time by level monitoring device A23 and level monitoring device B24.Described monitoring device A23 and level monitoring device B24 can be the liquid level sensor of liquidometer or connecting band displaying screen controller.
The water outlet of one way stop peturn valve A20 is provided with under meter A25, the water outlet of one way stop peturn valve B22 is provided with under meter B26, influent waste water flow and regenerated liquid flooding velocity read respectively by under meter A25 and under meter B26.
By the time as automatic control parameters, by drafting the adsorption-regeneration cycle, and collaborative water pump opens and closes operation, reaches whole process and runs.
As shown in Figure 3, described tank body 27 is also provided with porthole 40.
Described tank body 27 is provided with in two portholes, 40, two portholes 40, a porthole 40 is arranged at the top of tank body 27, and another porthole 40 is arranged at the bottom of tank body 27.
The working process of Full connected aeration type ion exchange unit is as follows: waste water is imported and exported 30 from lower liquid and entered tank body 27, inlet mouth 31 connects air feeder simultaneously, in tank body 27, gas is blasted by inlet mouth 31, ion exchange resin 29 in tank body 27 is floated, ion exchange resin 29 mixes with uniform liquid, by ion exchange resin 29 in the process that waste water rises in tank body 27, after waste water encounters annular choke precipitation plate 33, the flow velocity of waste water exports with backflow seam 36 to be expanded gradually and reduces, make the effective sedimentation of resin particle being entered settling region by gas disturbance, Hui Ru resin layer district, gas enter gas skirt 34 by and finally to discharge through venting port 39, waste water continues to rise outside gas skirt 34, and finally enter overflow weir 35 through upper liquid import and export 38 discharge.When ion exchange resin 29 adsorb saturated after, stop, into waste liquid, entering regeneration, regenerated liquid is imported and exported from upper liquid and 38 to be entered, and regenerated liquid feed liquor flow is 4 times of absorption flow, and air demand is constant.Regenerated liquid is is finally imported and exported 30 by lower liquid and is discharged, and completes a work period like this.
When Full connected aeration type ion exchange unit needs to wash, pass into clear water, mode of washing is consistent with suction type, clear water is imported and exported 30 from lower liquid and is entered tank body 27, inlet mouth 31 connects air feeder simultaneously, in tank body 27, blast gas by inlet mouth 31, wash, washings finally enters overflow weir 35 and imports and exports 38 discharges through upper liquid.
Working process of the present invention is as follows: for ion-exchanger A1, when adsorbing, and opens valve A11, valve F16, valve-off E15, valve B12, valve C13.Waste water through lift pump 19, one way stop peturn valve A20, valve A11 are reverse enters ion-exchanger A1, carry out ion-exchange absorption process, via after valve F16 from water port A7 qualified discharge.Same, when ion-exchanger B2 adsorbs, open valve B12, valve H18, valve-off G17, valve A11, valve D14.After set handling 48h, think that the resin absorption in ion-exchanger A1 is saturated, need co-current regeneration be carried out, during co-current regeneration, open valve E15, valve C13, valve-off A11, valve F16, valve D14; Regenerative pump 21 starts, and regenerated liquid enters ion-exchanger A1 through one way stop peturn valve B22 and valve C13 following current and regenerates, and regeneration waste liquid is discharged by valve E15 and entered the reuse of regenerated liquid recovery system.Same, when ion-exchanger B2 regenerates, open valve G17, valve D14, valve-off B12, valve H18, valve C13.
In adsorption process, lift pump 19 is controlled by the time parameter arranged in PLC working time, and can arrange delayed startup.In regenerative process, regenerative pump 21 is controlled by the time parameter drafted working time.If ion-exchanger A1 adsorption saturation time is designed to 48h, then when lift pump 19 accumulated running time reaches 48h, valve-off A11, valve F16, valve G17, valve D14, Open valve E15, valve C13, valve B12, valve H18.While can realizing ion-exchanger A1 regeneration, ion-exchanger B2 still carries out normal sorption.
And after lift pump 19 reaches 48h working time, after time delay for some time, continue to open, being equivalent to ion-exchanger B2 can adsorb smoothly.Regenerative pump 21 is out of service after running full 2h, completes regeneration.
Lift pump 19 carries out on off control according to the reading of level monitoring device A23, startup optimization during high liquid level simultaneously, out of service during low liquid level.One way stop peturn valve A20 is established in lift pump 19 outlet, and after preventing termination of pumping, waste water flows backwards.Influent waste water flow is controlled by under meter A25.Regenerative pump 21 carries out on off control according to the reading of level monitoring device B24, startup optimization during high liquid level simultaneously, out of service during low liquid level.One way stop peturn valve B22 is established in regenerative pump 21 outlet, and after preventing termination of pumping, regenerated liquid flows backwards.Regenerated liquid flooding velocity is controlled by under meter B26.
Claims (5)
1. one kind adopts the Electrolytic Manganese Wastewater ion exchange treatment system of aeration type ion exchange unit, it is characterized in that: it comprises ion-exchanger A(1), ion-exchanger B(2), regeneration dosing pond (3) and wastewater holding chamber (4), the water outlet of wastewater holding chamber (4) connects ion-exchanger A(1 respectively by pipeline) lower liquid import and export and ion-exchanger B(2) lower liquid import and export, and connect water outlet and the ion-exchanger A(1 of wastewater holding chamber (4)) the pipeline imported and exported of lower liquid on be provided with valve A(11), connect water outlet and the ion-exchanger B(2 of wastewater holding chamber (4)) the pipeline imported and exported of lower liquid on be provided with valve B(12),
Regeneration dosing pond (3) water outlet connect ion-exchanger A(1 respectively by pipeline) upper liquid import and export and ion-exchanger B(2) upper liquid import and export, and connect water outlet and the ion-exchanger A(1 of regeneration dosing pond (3)) the pipeline imported and exported of upper liquid on be provided with valve C(13), connect water outlet and the ion-exchanger B(2 of regeneration dosing pond (3)) the pipeline imported and exported of upper liquid on be provided with valve D(14)
Ion-exchanger A(1) lower liquid import and export and upper liquid import and export also respectively by pipeline A(5) with pipeline B(6) be connected water port A(7), and pipeline A(5) and pipeline B(6) on be respectively arranged with valve E(15) and valve F(16); Ion-exchanger B(2) lower liquid import and export and upper liquid import and export also respectively by pipeline C(8) with pipeline D(9) be connected water port B(10), and pipeline C(8) and pipeline D(9) on be respectively arranged with valve G(17) and valve H(18);
Described ion-exchanger A(1) and ion-exchanger B(2) be Full connected aeration type ion exchange unit, Full connected aeration type ion exchange unit comprises tank body (27), the bottom of tank body (27) is provided with bracing frame (28), tank body (27) internal space is divided into upper chamber and lower chambers by bracing frame (28), upper chamber is built with ion exchange resin (29), bracing frame (28) is for supporting the ion exchange resin (29) in upper chamber, (28) are provided with the path passed through for fluid with bracing frame, the tank body (27) being positioned at bracing frame (28) bottom is provided with and is communicated with the inner lower liquid of tank body (27) and imports and exports (30) and inlet mouth (31), the bottom of tank body (27) internal space is provided with water distributor (32), lower liquid is imported and exported (30) and is communicated with water distributor (32), the bottom of tank body (27) is provided with slag-drip opening (37), the top of tank body (27) internal space is provided with triphase separator, described triphase separator comprises the annular choke precipitation plate (33) be arranged on tank body (27) inwall, be arranged at the gas skirt (34) on annular choke precipitation plate (33) top and be arranged at the overflow weir (35) on gas skirt (34) top, formed to reflux between annular choke precipitation plate (33) and gas skirt (34) and stitch (36), tank body (27) top is provided with venting port (39), venting port (39) is from connected set gas hood (34) internal space, top of gas skirt (34), tank body (27) top is provided with upper liquid and imports and exports (38), upper liquid is imported and exported (38) and is communicated with overflow weir (35).
2. the Electrolytic Manganese Wastewater ion exchange treatment system of employing aeration type ion exchange unit according to claim 1, it is characterized in that: the water outlet of described wastewater holding chamber (4) is connected with lift pump (19) and one way stop peturn valve A(20 in turn), one way stop peturn valve A(20) water outlet connect valve A(11 respectively by pipeline) and valve B(12) water-in; Regeneration dosing pond (3) water outlet be connected with regenerative pump (21) and one way stop peturn valve B(22 in turn), one way stop peturn valve B(22) water outlet connect valve C(13 respectively by pipeline) and valve D(14) water-in.
3. the Electrolytic Manganese Wastewater ion exchange treatment system of employing aeration type ion exchange unit according to claim 1, it is characterized in that: in described wastewater holding chamber (4), be provided with level monitoring device A(23), be provided with level monitoring device B(24 in regeneration dosing pond (3)).
4. the Electrolytic Manganese Wastewater ion exchange treatment system of employing aeration type ion exchange unit according to claim 2, it is characterized in that: described one way stop peturn valve A(20) water outlet under meter A(25 is installed), one way stop peturn valve B(22) water outlet under meter B(26 is installed).
5. a kind of Electrolytic Manganese Wastewater ion exchange treatment system adopting aeration type ion exchange unit according to claim 1, is characterized in that: described tank body (27) is also provided with porthole (40).
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| CN105603189A (en) * | 2016-02-26 | 2016-05-25 | 湖南生物机电职业技术学院 | Mineral leaching device for membrane bioreactor combined ion exchange |
| CN110386638A (en) * | 2019-08-08 | 2019-10-29 | 芜湖沃泰环保科技有限公司 | A kind of efficient deionization system of sewage treatment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101186419A (en) * | 2007-12-25 | 2008-05-28 | 赵青海 | Method for treating electroplating mixed wastewater |
| CN101519265A (en) * | 2009-04-09 | 2009-09-02 | 北京汉青天朗水处理科技有限公司 | Sewage treatment process and system |
| CN203922804U (en) * | 2014-06-06 | 2014-11-05 | 四川恒达环境技术有限公司 | A kind of Electrolytic Manganese Wastewater ion exchange treatment system that adopts aeration type ion exchange unit |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101186419A (en) * | 2007-12-25 | 2008-05-28 | 赵青海 | Method for treating electroplating mixed wastewater |
| CN101519265A (en) * | 2009-04-09 | 2009-09-02 | 北京汉青天朗水处理科技有限公司 | Sewage treatment process and system |
| CN203922804U (en) * | 2014-06-06 | 2014-11-05 | 四川恒达环境技术有限公司 | A kind of Electrolytic Manganese Wastewater ion exchange treatment system that adopts aeration type ion exchange unit |
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