CN2504258Y - Reverse osmosis water maker - Google Patents

Reverse osmosis water maker Download PDF

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Publication number
CN2504258Y
CN2504258Y CN 01256371 CN01256371U CN2504258Y CN 2504258 Y CN2504258 Y CN 2504258Y CN 01256371 CN01256371 CN 01256371 CN 01256371 U CN01256371 U CN 01256371U CN 2504258 Y CN2504258 Y CN 2504258Y
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CN
China
Prior art keywords
reverse osmosis
pressure pump
water
osmosis water
making machine
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Expired - Fee Related
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CN 01256371
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Chinese (zh)
Inventor
赵凯
叶海青
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ANJIER ELECTRIC Co Ltd SHENZHEN CITY
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ANJIER ELECTRIC Co Ltd SHENZHEN CITY
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Priority to CN 01256371 priority Critical patent/CN2504258Y/en
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Publication of CN2504258Y publication Critical patent/CN2504258Y/en
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Abstract

A reverse-osmosis water generator relates to water generating devices, in particular to reverse-osmosis water generating devices. The water generator comprises a raw-water pressurizing pump (1), a multi-medium filter (3), a first-grade high-pressure pump (6), a first-grade reverse-osmosis membrane set (7), a second-grade high-pressure pump (11), a second-grade reverse-osmosis membrane set (12) and corresponding electric control systems, wherein, all the members are connected via pipelines; at least a set of chemical dosing devices (2) is arranged in front of the multi-medium filter (3); an ultra-filtration membrane set (5) is arranged in front of the first-grade high-pressure pump (6); an activated carbon filter (8) and a guard filter (9) are arranged in front of the second-grade high-pressure pump (11). The reverse-osmosis water generator of the utility model has favorable pre-treating effect, low running cost and wide application scope, and can be applied to industries including drinking water, pharmaceutics, chemical engineering, etc.

Description

A kind of reverse osmosis water making machine
Technical field
The utility model relates to water making device, particularly reverse osmosis water production apparatus.
Background technology
The reverse osmosis water production apparatus of prior art mainly is made up of following three parts.Preprocessing part: more medium filter, activated charcoal filter, water softener, security personnel's strainer; Reverse osmosis part: first-stage reverse osmosis film group, two-pass reverse osmosis film group; Electrical control and power system: electric control system, former water topping-up pump, one-level high-pressure pump, secondary high-pressure pump.Water tank Central Plains water is transported to more medium filter via former water topping-up pump and handles, water through more medium filter continues to flow to activated charcoal filter, water through above two portions are handled also contains fine particle shape material, holds back through security personnel's strainers (generally holding back the aperture is 5 μ m~20 μ m) again.Then, finish pretreated water and be transported to the processing of reverse osmosis membrane group by the one-level high-pressure pump again, flow to two-pass reverse osmosis film group through the secondary high-pressure pump again and further handle, product water can reach the purified drinking water standard.Existing installation exists following deficiency.Gac is changed frequently, use cost is high.Because the adsorptive power of gac is limited, particularly relatively poor when water quality, when organic content was high, the life-span of gac was very short, change frequently, and the unit price of gac is higher at present, thereby the use cost height, and change operation inconvenience, the labour intensity height; Activated charcoal filter is easily bred microorganisms such as bacterium, influences the work-ing life of reverse osmosis membrane.Because charcoal absorption a large amount of a large amount of rich nutritive materials such as organism, microorganisms such as bacterium are very easy to breed in strainer, detection shows, activated charcoal filter in use for some time, microorganism dense, these microorganisms have very, and major part is discharged to next stage, and the general security personnel's strainer that uses can't all be held back these microorganisms, and a part enters the reverse osmosis membrane group, very easily forms microbial fouling, corrode reverse osmosis membrane, influence use properties, the life-span of reverse osmosis membrane; Pretreating effect is limited, and security personnel's strainer is short work-ing life, can not reuse.Because the pretreated aperture relatively large (being generally more than the 5 μ m) of holding back also has materials such as a large amount of subparticles, microorganism, colloid layer, latex, emulsion not to be trapped, generally speaking, pollution index (SDI value) 3~5.Under this condition, easily fouling in the reverse osmosis membrane, be restricted work-ing life, and in addition, tiny materials such as particle block security personnel's strainer easily, and security personnel's strainer almost can not wash, and can only change after getting clogged, and changes frequently the cost height.
Summary of the invention
The technical problems to be solved in the utility model at the deficiency of above-mentioned existing water making device, provides the reverse osmosis water production apparatus that a kind of pretreating effect is good, use cost is low.
The technical scheme that the utility model adopted, design a kind of reverse osmosis water making machine, comprise former water topping-up pump, more medium filter, one-level high-pressure pump, first-stage reverse osmosis film group, secondary high-pressure pump, two-pass reverse osmosis film group and corresponding electric control system, described equipment has pipe connection successively, the chemical chemicals dosing plant of at least one cover is set before more medium filter, the ultra-filtration membrane group is set before the one-level high-pressure pump, activated charcoal filter and security personnel's strainer are set before the secondary high-pressure pump.
The utility model is to improve at above mentioned the deficiencies in the prior art, thereby has following advantage: 1, pretreating effect is good.Owing to change activated charcoal filter and security personnel's strainer of preprocessing part into ultrafiltration membrane treatment and chemical chemicals dosing plant, with respect to security personnel's strainer aperture of holding back 5 μ m~20 μ m, the aperture of holding back of ultra-filtration membrane is generally 0.01 μ m~0.1 μ m, molecular weight cut-off is about 50000, can hold back subparticle, microorganism, larger molecular organics, latex, oil emulsion that the existing installation pre-treatment can not be removed, improve so the pre-treatment performance has significantly.2, activated carbon dosage significantly reduces, and use cost is low.Water through first-stage reverse osmosis is handled has had higher purity, and salt, BOD, COD major part are removed, and the small organic molecule that is contained, peculiar smell content are seldom.Therefore, the consumption of gac is just less, also need not use big activated charcoal filter, only needs to use small-sized activated charcoal filter to get final product, and the replacement cycle is long, and it is convenient to change, and cost is low.3, wide accommodation.Prior art subject range is narrow, for the lower or higher water quality of potential of hydrogen, and the water quality that turbidity is big, organism, the water quality that colloid is many, the water quality that microorganism is many, prior art is also inapplicable, or work-ing life is very short.The utility model can be provided with chemical chemicals dosing plant in a plurality of positions according to water quality and adapt to different water quality, for turbidity, organism, colloid water quality how, can add flocculation agent, flocculation agent can with these material generation complexing actions, form the material of bulk, be easy to be removed by more medium filter and ultra-filtration membrane.For the high tap water of free chlorine content, can add the reaction of antichlor and free chlorine, generate villaumite, remove by reverse osmosis membrane again.For the many water sources of microorganism, can add the sterilant sterilization.And, acid can be added or alkali is regulated potential of hydrogen for the lower or higher water source of potential of hydrogen.4, the ultra-filtration membrane use cost is low.At present, ultra-filtration membrane has been realized production domesticization, and cost is not high, and ultra-filtration membrane can wash its pollutent of holding back by positive and negative process of washing, be not easy to stop up and damage, thereby long service life, needn't frequent replacing as the strainer of ensuring public security.
The utility model can be used for industries such as tap water industry, pharmacy, chemical industry.
Description of drawings
Fig. 1 is the synoptic diagram of one of the utility model most preferred embodiment.
Fig. 2 is two an equipment pipeline synoptic diagram of the utility model most preferred embodiment.
Fig. 3 is three an equipment pipeline synoptic diagram of the utility model most preferred embodiment.
Fig. 4 is four a synoptic diagram of the utility model most preferred embodiment.
Fig. 5 is the control panel figure of the utility model most preferred embodiment.
Embodiment
Below in conjunction with drawings and Examples the technical solution of the utility model is further described.
As shown in Figure 1, a kind of reverse osmosis water making machine, comprise former water topping-up pump 1, more medium filter 3, one-level high-pressure pump 6, first-stage reverse osmosis film group 7, secondary high-pressure pump 11, two-pass reverse osmosis film group 12 and corresponding electric control system, described equipment has pipe connection successively, the chemical chemicals dosing plant 2 of at least one cover is set before more medium filter 3, ultra-filtration membrane group 5 is set before one-level high-pressure pump 6, activated charcoal filter 8 and security personnel's strainer 9 are set before secondary high-pressure pump 11.Former water is transported to more medium filter 3 via former water topping-up pump 1 and handles, former water is before entering more medium filter 3, add pharmaceutical chemicals according to the water quality situation by chemical chemicals dosing plant 2, more medium filter 3 effects mainly are to hold back most of colloidal solid shape material, reduce turbidity, water after more medium filter 3 is handled continues to flow to ultra-filtration membrane group 5, finish pretreated water and be transported to 7 processing of reverse osmosis membrane group by one-level high-pressure pump 6 again, the water that comes out has had higher purity, arrive activated charcoal filter 8 again, the effect of activated charcoal filter 8 mainly is the remaining organism of absorption, inorganics, peculiar smell, again through security personnel's strainer 9, and then flow to two-pass reverse osmosis film group 12 through secondary high-pressure pump 11 and further handle, product water can reach the purified drinking water standard.
Also available UV-device 15 of treated pure water or ozone mixing device 13 are done fresh-keeping aftertreatment.Therefore, as shown in Figure 1, an ozone mixing device 13 can be set at the water outlet of two-pass reverse osmosis film group 12.Also can be as shown in Figure 4, a UV-device 15 to be set at the water outlet of two-pass reverse osmosis film group 12.
Consider the difference of different areas water quality, the water quality of certain areas is harder, at more medium filter 3 and 5 of ultra-filtration membrane groups a water softener 14 is set, and is used for the former water of certain areas is softened.
The utility model can be provided with chemical chemicals dosing plant in a plurality of positions according to water quality and adapt to different water quality, for turbidity, organism, colloid water quality how, can add flocculation agent, flocculation agent can with these material generation complexing actions, form the material of bulk, be easy to be removed by more medium filter 3 and ultra-filtration membrane 5.For the high tap water of free chlorine content, can add the reaction of antichlor and free chlorine, generate villaumite, remove by reverse osmosis membrane again.For the many water sources of microorganism, can add the sterilant sterilization.And, acid can be added or alkali is regulated potential of hydrogen for the lower or higher water source of potential of hydrogen.
The chemical chemicals dosing plant 4 of at least one cover is set before ultra-filtration membrane group 5, perhaps, the chemical chemicals dosing plant 10 of at least one cover is set before secondary high-pressure pump 11, add pharmaceutical chemicals according to the water quality situation.Chemistry chemicals dosing plant 2,4,10 is chemical dosing measuring apparatus, the convenient medicine that accurately adds.
Chemistry chemicals dosing plant 2 can select to add antichlor or flocculation agent, two cover chemical chemicals dosing plant 2a, 2b also can be set add antichlor and flocculation agent respectively.Free chlorine generation chemical action in antichlor energy and the water is converted into villaumite with free chlorine.The waterworks is necessary chlorination in the process of preparation tap water, promptly add medicaments such as chlorinated lime, chlorine or clorox and carry out sterilization and disinfection, must keep certain residual chlorine concentration in the tap water and guarantee that water supply network tube terminal user locates the sterilisation effect of tap water, but the formed chlorine residue of this sterilizing process, it is the main source of tap water peculiar smell, influence the pure water mouthfeel easily, damage reverse osmosis membrane (RO film) simultaneously, therefore in the pure water preparation process, must remove chlorine residue.The effect of flocculation agent is to make colloid small in the water, suspended substance and macromolecular organism form bigger alumen ustum, can be retained down by strainer the time, has improved the effect of strainer greatly.Normal conditions all will add flocculation agent.
Chemistry chemicals dosing plant 4 can select to add Scale inhibitors.Scale inhibitors is the hidden medicament of a kind of decentralized, can prevent the fouling in film of calcium, magnesium ion, stops the fouling of vitriol, can play the dispersive effect to iron colloid and the tiny particle that stops up membrane micropore simultaneously.
Chemistry chemicals dosing plant 10 can select to add adjusting PH agent.Owing to all can descend through the pH value that produces water after the reverse osmosis, when the pH value of former water water inlet is lower, and secondary produces water ph value<6 o'clock, and suggestion adds regulates the pH value that the two-pass reverse osmosis water inlet is regulated in PH agent (as alkali).
Water production rate according to Production Flow Chart and equipment requirements, selected used Model of pump, model, quantity, the structure of first-stage reverse osmosis film (RO film) group, model, quantity, the structure of two-pass reverse osmosis film group, the quantity of ultra-filtration membrane group, the size of more medium filter, used pipeline specification etc.Embodiment as shown in Figure 2, water production rate is per hour 450 liters, former water topping-up pump 1 is selected horizontal multi-stage centrifugal pump for use; One-level high-pressure pump 6 is selected vertical multi-stage centrifugal pump for use; Secondary high-pressure pump 11 is selected vertical multi-stage centrifugal pump for use; 3 select the more medium filter of multilayer filter structure for use; Ultra-filtration membrane group 5 is selected 1 ultra-filtration membrane for use; First-stage reverse osmosis film group 7 is selected 2 reverse osmosis membranes for use; Two-pass reverse osmosis film group 12 is selected 1 reverse osmosis membrane for use.Be the raising rate of recovery, before the partial concentration water of one-level, two-pass reverse osmosis film group returns first-stage reverse osmosis film group; Be the operation of watch-dog, control panel is imported and exported in the import and export of ultra-filtration membrane group, a two-pass reverse osmosis film group respectively tensimeter is installed as shown in Figure 5, so that equipment can be debugged works better, and the equipment that prevents occurs unusual; In addition, be separately installed with low-tension switch 6a, 11a in the import of one-level high-pressure pump 6 and secondary high-pressure pump 11, outlet is equipped with high-voltage switch gear 6b, 11b, when intake pressure is crossed low or during the pump working hypertonia, equipment quits work; At water-in and product water out conductivity meter is housed, with monitoring Inlet and outlet water water quality; For the operation and the convenient debugging of watch-dog, four under meters are housed, when fluctuations in discharge goes beyond the scope, should take measures areput.The water hardness in part area is not high, does not need to be equipped with water softener, so present embodiment has been reserved the water softener interface, when having only local water hardness high, just disposes water softener 14.Present embodiment has disposed two 2,4, one of chemical dosing measuring apparatus and has been used to add antichlor, and another is used to add Scale inhibitors.Reserved the interface of two chemical dosing measuring apparatus in addition.
Liquid level to raw water box and pure water case in the electric control system is provided with high low level signal control.Raw water box is when hanging down liquid level, and the running of blocking former water topping-up pump 1 automatically is when not starting former water topping-up pump 1 when hanging down fluid level condition.One-level high-pressure pump 6 ingress are provided with inlet starting pressure search switch 6a.When former water topping-up pump 1 fluming water arrives one-level high-pressure pump 6 ingress through pre-treatment, after reaching starting pressure, after controlling box panel upper level low pressure pilot lamp extinguishes, one-level high-pressure pump 6 just can be activated, behind first-stage reverse osmosis, the one-level pure water that comes out is delivered to the ingress of secondary high-pressure pump 11.Also be provided with inlet starting hydraulic pressure search switch 11a in the ingress of secondary high-pressure pump 11.When arriving its secondary high-pressure pump 11 permission starting pressures, after secondary low pressure pilot lamp extinguished on the controlling box panel, secondary high-pressure pump 11 just can be activated.Deliver to outer pure water case of joining by the water that comes out behind the two-pass reverse osmosis.When the liquid level of pure water case arrived high liquid level, the high liquid level pilot lamp of the pure water case on the controlling box panel was jumped when bright, blocked the operation of secondary high-pressure pump 11 automatically, also blocked the operation of one-level high-pressure pump 6 simultaneously.Utilize the work interruption that this moment, system produced water, enter automatic flushing one-level RO film.Also be provided with alarm for high voltage pressure detection switch 6b, 11b in the exit of firsts and seconds high-pressure pump.The high-pressure pump top hole pressure that produces any one-level when certain reason can be lighted corresponding superpressure alarm lamp during greater than set(ting)value, and blocks the operation of corresponding high-pressure pump automatically.When restarting this high-pressure pump, must press the reset button (REST) on the control panel after having got rid of the fault that causes superpressure, the superpressure alarm lamp is extinguished, this high-pressure pump just can be allowed to start.
Electric control system of the present utility model also is provided with one-level concentrated water discharge flushing manual switch, when stirring this switch, the magnetic valve of one-level concentrated water discharge is opened, and this moment, system blocked the startup of I and II high-pressure pump automatically, and the hydraulic pressure that utilizes former water to provide just washes one-level RO film.
Embodiment as shown in Figure 3, water production rate is per hour 2000 liters, former water topping-up pump 1 is selected horizontal multi-stage centrifugal pump for use; One-level high-pressure pump 6 is selected vertical multi-stage centrifugal pump for use; Secondary high-pressure pump 11 is selected horizontal multi-stage centrifugal pump for use; More medium filter 3 is selected the more medium filter of multilayer filter structure for use; Ultra-filtration membrane group 5 is selected 4 ultra-filtration membranes for use, uses mode arranged side by side; First-stage reverse osmosis film group 7 is selected 8 reverse osmosis membranes for use; Two-pass reverse osmosis film group 12 is selected 6 reverse osmosis membranes for use.Electric control system is identical with a last embodiment's.
Pretreating effect of the present utility model is good, and activated carbon dosage significantly reduces, and use cost is low, wide accommodation.Can be used for industries such as tap water industry, pharmacy, chemical industry.

Claims (8)

1, a kind of reverse osmosis water making machine, comprise former water topping-up pump (1), more medium filter (3), one-level high-pressure pump (6), first-stage reverse osmosis film group (7), secondary high-pressure pump (11), two-pass reverse osmosis film group (12) and corresponding electric control system, described equipment has pipe connection successively, it is characterized in that: at the preceding chemical chemicals dosing plant of at least one cover (2) that is provided with of more medium filter (3), in the preceding ultra-filtration membrane group (5) that is provided with of one-level high-pressure pump (6), at preceding activated charcoal filter (8) and the security personnel's strainer (9) of being provided with of secondary high-pressure pump (11).
2, reverse osmosis water making machine according to claim 1 is characterized in that: at the preceding chemical chemicals dosing plant of at least one cover (4) that is provided with of ultra-filtration membrane group (5).
3, reverse osmosis water making machine according to claim 1 is characterized in that: at the preceding chemical chemicals dosing plant of at least one cover (10) that is provided with of secondary high-pressure pump (11).
4, according to claim 1 or 2 or 3 described reverse osmosis water making machines, it is characterized in that: chemical chemicals dosing plant (2), (4), (10) are chemical dosing measuring apparatus.
5, reverse osmosis water making machine according to claim 1 is characterized in that: the water outlet in two-pass reverse osmosis film group (12) is provided with an ozone mixing device (13).
6, reverse osmosis water making machine according to claim 1 is characterized in that: the water outlet in two-pass reverse osmosis film group (12) is provided with a UV-device (15).
7, reverse osmosis water making machine according to claim 1 is characterized in that: between more medium filter (3) and ultra-filtration membrane group (5) water softener (14) is set.
8, reverse osmosis water making machine according to claim 1 is characterized in that: the import in one-level high-pressure pump (6) and secondary high-pressure pump (11) is separately installed with low-tension switch (6a), (11a), and outlet is equipped with high-voltage switch gear (6b), (11b).
CN 01256371 2001-10-18 2001-10-18 Reverse osmosis water maker Expired - Fee Related CN2504258Y (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010135991A1 (en) * 2009-05-26 2010-12-02 Jiang Sheng Molecular resonance membrane (mrm) water treatment device
CN102417253A (en) * 2011-10-18 2012-04-18 江苏海洲水务工程有限公司 In-depth treatment zero-discharge recovery equipment for heavy metal waste water
CN102684454A (en) * 2012-04-27 2012-09-19 广州高澜节能技术股份有限公司 Composite external cooling system for DC power transmission converter valve
CN103626310A (en) * 2012-08-24 2014-03-12 岳勇斌 Low-yield dual-pump two-stage reverse osmosis system
CN104150662A (en) * 2014-08-29 2014-11-19 苏州普滤得净化股份有限公司 Direct drinking water system and process
CN108503101A (en) * 2018-03-08 2018-09-07 苏州林信源自动化科技有限公司 A kind of water purification machine water inlet pipe filter device
CN110217915A (en) * 2019-07-09 2019-09-10 上海孚星机械设备有限公司 A kind of rural potable water high-efficiency purification treatment equipment

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010135991A1 (en) * 2009-05-26 2010-12-02 Jiang Sheng Molecular resonance membrane (mrm) water treatment device
CN102417253A (en) * 2011-10-18 2012-04-18 江苏海洲水务工程有限公司 In-depth treatment zero-discharge recovery equipment for heavy metal waste water
CN102417253B (en) * 2011-10-18 2014-01-15 江苏海洲水务工程有限公司 In-depth treatment zero-discharge recovery equipment for heavy metal waste water
CN102684454A (en) * 2012-04-27 2012-09-19 广州高澜节能技术股份有限公司 Composite external cooling system for DC power transmission converter valve
CN103626310A (en) * 2012-08-24 2014-03-12 岳勇斌 Low-yield dual-pump two-stage reverse osmosis system
CN104150662A (en) * 2014-08-29 2014-11-19 苏州普滤得净化股份有限公司 Direct drinking water system and process
CN104150662B (en) * 2014-08-29 2015-08-19 苏州普滤得净化股份有限公司 Drinking water system and technique
CN108503101A (en) * 2018-03-08 2018-09-07 苏州林信源自动化科技有限公司 A kind of water purification machine water inlet pipe filter device
CN110217915A (en) * 2019-07-09 2019-09-10 上海孚星机械设备有限公司 A kind of rural potable water high-efficiency purification treatment equipment

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