CN205045918U - Ultrapure water preparation system - Google Patents
Ultrapure water preparation system Download PDFInfo
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- CN205045918U CN205045918U CN201520709980.2U CN201520709980U CN205045918U CN 205045918 U CN205045918 U CN 205045918U CN 201520709980 U CN201520709980 U CN 201520709980U CN 205045918 U CN205045918 U CN 205045918U
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- ultrapure water
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Abstract
The utility model relates to an ultrapure water preparation system, ultrapure water preparation system includes the consecutive leading filter that connects, level filtering device, second grade filter equipment, tertiary filter equipment and EDI ultrapure water module, wherein, the level filtering device includes the ultrafiltration subassembly, second grade filter equipment includes reverse osmosis membrane modulus spare, and tertiary filter equipment includes precision filter. The utility model provides an ultrapure water preparation system is provided with the multi -stage filtration device, and the multi -stage filtration device sets up rationally, and the ultrapure water free from admixture of its preparation, bacterium, virus, organic matter etc. Pollute the ion, and quality of water resistivity reaches and is greater than more than the 15 mu omega, and quality of water satisfies each item technical indicator requirement of urea solution, can be according to automobile -used urea solution's output capacity requirement, and the ultrapure water is prepared continually at the scene.
Description
Technical field
The utility model relates to ultrapure water preparing technical field, is specifically related to a kind of ultrapure water production system.
Background technology
Urea for vehicle solution is produced by urea for vehicle solution at production plant by manufacturer on the market at present, then each S.P. is sold in vanning, transportation cost can be caused like this to increase, thus can not Urea Quality be ensured, or after not selling for a long time, cause urea expired and produce the problems such as qualitative change.Therefore, propose higher technical requirements to ultrapure water, its best solution is in situ preparation ultrapure water and is supplied to urea soln use, realizes ultrapure water preparation, the full intelligence of urea soln configuration integration is produced and control.
Utility model content
The utility model is to solve the above-mentioned problems in the prior art at least in part, provide a kind of can ultrapure water production system needed for the urea for vehicle of in situ preparation ultrapure water.
The ultrapure water production system that the utility model provides, comprise the fore filter, first level filtering device, two-stage filter, three-level filter device and the EDI ultrapure water module that are connected successively, wherein, described first level filtering device comprises ultrafiltration module; Two-stage filter comprises reverse osmosis membrane assembly, and three-level filter device comprises accurate filter.
Preferably, described first level filtering device also comprises the cotton strainer of PP and carbon rod strainer.
Preferably, the upstream side of described fore filter is provided with lifting water pump.
Preferably, described two-stage filter comprises the two RO reverse osmosis membrane assembly and single RO reverse osmosis membrane assembly that are connected successively.
Preferably, the upstream side of described two-stage filter is provided with one-level booster water pump; And/or, between described pair of RO reverse osmosis membrane assembly and single RO reverse osmosis membrane assembly, be provided with two stage supercharging water pump.
Preferably, between described two-stage filter and three-level filter device, intermediate water storage case is provided with.
Preferably, between the downstream side and intermediate water storage case of described EDI ultrapure water module, water return pipeline is provided with.
Preferably, the bottom of described fore filter, first level filtering device, two-stage filter and EDI ultrapure water module is provided with sewage discharge device.
Preferably, the water port place of described sewage discharge device is provided with U-shaped elbow.
The ultrapure water production system that the utility model provides produces filing provision automatically for urea for vehicle solution, be provided with Multistage filtering device, Multistage filtering device arranges rationally, its contaminated ion such as ultrapure water inclusion-free, bacterium, virus, organism prepared, water quality resistivity reaches and is greater than 15 more than Μ Ω, water quality meets all technical requirement of urea soln, can according to the output capacity requirement of urea for vehicle solution, and ultrapure water is prepared continually in scene.Centre decreases the transit link of ultrapure water, guarantees timely supply and the urea quality of urea for vehicle solution, and whole production process is without the need to manual operation, and equipment realizes the full intelligence of integration Operation and control automatically.
Accompanying drawing explanation
Below in conjunction with accompanying drawing in the description of the utility model exemplary embodiment, above-mentioned and other side of the present utility model will become more obviously be easier to understand, in the accompanying drawings:
Fig. 1 is the ultrapure water production system overall schematic in the utility model.
Embodiment
Referring to accompanying drawing, preferred implementation of the present utility model is described.In various figures, identical element adopts identical or similar Reference numeral to represent.For the sake of clarity, the various piece in accompanying drawing is not proportionally drawn.
Illustrate, in the application, with the flow direction of current for reference, the side identical with current flow direction is downstream side, and the side contrary with current flow direction is upstream side.
Urea for vehicle refers to that urea concentration is 32.5% and solvent is the aqueous solution of urea of ultrapure water, and raw material is urea crystal and ultrapure water, when processing the tail gas of the diesel vehicle such as heavy truck, passenger vehicle as catalytic reducer, enables Vehicular exhaust qualified discharge.Ultrapure water production system in the application is for the preparation of the solvent of urea for vehicle solution--ultrapure water, the ultrapure water in situ preparation urea soln can prepared with the ultrapure water production system in urea crystal and the application like this, can reduce the quality of transportation cost and guarantee urea soln.
As shown in Figure 1, the ultrapure water production system in the application comprises the fore filter 1, first level filtering device 2, two-stage filter 3, three-level filter device 4 and the EDI ultrapure water module 5 that are connected successively.Described fore filter 1 is mainly used in the silt particle, iron rust etc. tackled in water and hangs composition granule impurity etc. greatly, is preferably reticulated structure, such as steel mesh, wire netting etc.; Described first level filtering device 2 comprises PP cotton strainer 21, carbon rod strainer 22 and ultrafiltration module 23.Wherein the filter core of the cotton strainer 21 of PP is preferably the cotton filter core of 5 core, 20 cun of PP, and the filter core of carbon rod strainer 22 is preferably 5 core, 20 cun of Carbon rod filter element.Wherein, the cotton strainer 21 of described PP is for tackling the composition granule impurity such as silt particle, iron rust in water further; Described carbon rod strainer 22 is for removing chlorine residue in water, organic compound, heterochromatic, the material such as peculiar smell and part heavy metal; Described ultrafiltration module 23 is for removing bacterium in water and the material such as colloid, iron rust, suspended substance, silt, larger molecular organics more much bigger than bacterium volume.Described fore filter 1 and first level filtering device 2 form the pre-filtering device of whole ultrapure water production system.
Preferably, be provided with in the upstream of described fore filter 1 and promote water pump 01, during for being in low hydraulic pressure, insufficient water at tap water or adopting in the situations such as the water supply such as well, river, provide water source to system and ensure the basic hydraulic pressure of system works.
Described two-stage filter 3 is reverse osmosis membrane assembly, comprises the two RO reverse osmosis membrane assembly 31 and single RO reverse osmosis membrane assembly 32 that are connected successively.Wherein, described pair of RO reverse osmosis membrane assembly 31 is for removing the impurity such as bacterium, virus, colloid, organism, inorganic salt, heavy metal in water.Water through two RO reverse osmosis membrane processing can reach health ministry direct-drinking water standard completely, and the water outlet conductivity of described pair of RO reverse osmosis membrane assembly 31 is: <10-50 μ s/cm; Produce water speed: >=50-5000L/h; Described single RO reverse osmosis membrane assembly 32, for removing the impurity such as bacterium, virus, colloid, organism, inorganic salt, heavy metal in water further, obtains purer water quality; The water outlet conductivity of described single RO reverse osmosis membrane assembly 32: <2-20 μ s/cm; Produce water speed: >=10-2000L/h.
In a preferred embodiment, the upstream side of described two-stage filter 3 is provided with one-level booster water pump 02, for providing reverse osmotic pressure to described pair of RO reverse osmosis membrane assembly 31; Two stage supercharging water pump 03 is provided with, for providing reverse osmotic pressure to described single RO reverse osmosis membrane assembly 32 between described pair of RO reverse osmosis membrane assembly 31 and single RO reverse osmosis membrane assembly 32.
Described three-level filter device 4 comprises accurate filter 41.Wherein said accurate filter 41 is for the impurity in further filtering system pipeline.The downstream of described three-level filter device 4 is provided with described EDI ultrapure water module 5, for further except the impurity such as organism, inorganic salt, heavy metal in anhydrating, obtains ultrapure water; Water outlet resistivity >=15 Μ Ω the .cm of described EDI ultrapure water module 5; Produce water speed: >=10-1000L/h.The water outlet resistivity of the EDI ultrapure water mould 5 in the application is greater than 15 more than Μ Ω, meets the water quality technical requirements of urea soln.
In a preferred embodiment, between described two-stage filter 3 and three-level filter device 4, be provided with intermediate water storage case 6, for storing the pure water processed by described single RO reverse osmosis membrane assembly 32.The pipeline of described intermediate water storage case 6 upstream side is provided with under meter, such as ball float flowmeter, for measuring the water yield entering described intermediate water storage case 6.Preferably, between described intermediate water storage case 6 and accurate filter 41, be provided with EDI topping-up pump 04, for providing water pressure processed to EDI ultrapure water module 5.
Preferably, at all topping-up pumps, namely one-level booster water pump 02, two stage supercharging water pump 03 and EDI topping-up pump 04 are all provided with by-pass line, at the circulation passage without the need to providing current during supercharging.
In a preferred embodiment, the downstream side of described EDI ultrapure water module 5 is provided with ultrapure water water tank 7, for storing the ultrapure water prepared, is then supplied to urea soln preparation and uses.Water return pipeline 8 is provided with between the water outlet and the water-in of ultrapure water water tank 7 of described EDI ultrapure water module 5, other one end of described water return pipeline 8 is connected to described intermediate water storage case 6, like this, in described EDI ultrapure water module 5 in long-time idle situation, make can turn back to again in described intermediate water storage case 6 from the water stated EDI ultrapure water module 5 described in middle water tank 6 enters, thus circular flow is safeguarded described EDI ultrapure water module 5, is maintained.
Preferably, the bottom of two RO reverse osmosis membrane assembly 31 of the ultrafiltration module 23 in described fore filter 1, first level filtering device 2, two-stage filter 3 and single RO reverse osmosis membrane assembly 32, EDI ultrapure water module 5 is provided with sewage discharge device 9, and preferably the sewage discharge device 9 of these filtration units links together.The water port place of described sewage discharge device 9 is provided with U-shaped elbow (not shown), extraneous air can be prevented like this, source of pollution enter in pipe, pollute pipeline, equipment and cause the problems such as corrosion.
Ultrapure water production system in the application is run by PLC fully-automatic intelligent and controls, and is provided with the functions such as hydraulic pressure protection switch and controls in piping system, to play the major equipments such as protection booster water pump at different levels, RO membrane module, EDI module, avoids it to damage.The technical parameter such as water supply pressure, operating pressure, water water quality processed, discharge processed of described preparation system all shows on housing, signal feedback, can understand running status in time.All devices of the ultrapure water production system in the application, equipment are all assembled in a combination sideboard, and Controlling System unifies integrating control and display.
Ultrapure water production system in the application is used for urea for vehicle solution and automatically produces filing provision, be provided with Multistage filtering device, Multistage filtering device arranges rationally, its contaminated ion such as ultrapure water inclusion-free, bacterium, virus, organism prepared, water quality resistivity reaches and is greater than 15 more than Μ Ω, water quality meets all technical requirement of urea soln, can according to the output capacity requirement of urea for vehicle solution, and ultrapure water is prepared continually in scene.Centre decreases the transit link of ultrapure water, guarantees timely supply and the urea quality of urea for vehicle solution, and whole production process is without the need to manual operation, and equipment realizes the full intelligence of integration Operation and control automatically.
Unless otherwise defined, technology used herein is identical with the implication that those skilled in the art of the present utility model understand usually with scientific terminology.Term used herein, just in order to describe concrete enforcement object, is not intended to limit the utility model.Terms such as such as " parts " that occur herein both can represent single part, also can represent the combination of multiple part.The term such as such as " installation ", " setting " etc. occurred herein both can represent that parts were directly attached to another parts, also can represent that parts are attached to another parts by middleware.The feature described in one embodiment herein can be applied to another embodiment individually or with further feature in combination, unless this feature is inapplicable or be otherwise noted in this another embodiment.
The utility model is illustrated by above-mentioned embodiment, but should be understood that, above-mentioned embodiment just for the object of illustrating and illustrate, and is not intended to the utility model to be limited within the scope of described embodiment.It will be appreciated by persons skilled in the art that and can also make more kinds of variants and modifications according to instruction of the present utility model, within these variants and modifications all drop on the utility model scope required for protection.
Claims (9)
1. a ultrapure water production system, it is characterized in that, comprise the fore filter (1), first level filtering device (2), two-stage filter (3), three-level filter device (4) and the EDI ultrapure water module (5) that are connected successively, wherein, described first level filtering device (2) comprises ultrafiltration module (23); Two-stage filter (3) comprises reverse osmosis membrane assembly, and three-level filter device (4) comprises accurate filter (41).
2. ultrapure water production system according to claim 1, is characterized in that, described first level filtering device (1) also comprises the cotton strainer (21) of PP and carbon rod strainer (22).
3. ultrapure water production system according to claim 1, is characterized in that, is provided with promotes water pump (01) at the upstream side of described fore filter (1).
4. ultrapure water production system according to claim 1, is characterized in that, described two-stage filter (3) comprises the two RO reverse osmosis membrane assembly (31) and single RO reverse osmosis membrane assembly (32) that are connected successively.
5. ultrapure water production system according to claim 4, is characterized in that, the upstream side of described two-stage filter (3) is provided with one-level booster water pump (02); And/or, between described pair of RO reverse osmosis membrane assembly (31) and single RO reverse osmosis membrane assembly (32), be provided with two stage supercharging water pump (03).
6. ultrapure water production system according to claim 1, is characterized in that, is provided with intermediate water storage case (6) between described two-stage filter (3) and three-level filter device (4).
7. ultrapure water production system according to claim 6, is characterized in that, between the downstream side and intermediate water storage case (6) of described EDI ultrapure water module (5), be provided with water return pipeline (8).
8. ultrapure water production system according to claim 1, it is characterized in that, the bottom of described fore filter (1), first level filtering device (2), two-stage filter (3) and EDI ultrapure water module (5) is provided with sewage discharge device (9).
9. ultrapure water production system according to claim 8, is characterized in that, the water port place of described sewage discharge device (9) is provided with U-shaped elbow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520709980.2U CN205045918U (en) | 2015-09-14 | 2015-09-14 | Ultrapure water preparation system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520709980.2U CN205045918U (en) | 2015-09-14 | 2015-09-14 | Ultrapure water preparation system |
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| CN205045918U true CN205045918U (en) | 2016-02-24 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105110524A (en) * | 2015-09-14 | 2015-12-02 | 珠海格力电器股份有限公司 | Ultrapure water preparation system and adblue preparation method |
| CN109112606A (en) * | 2018-10-24 | 2019-01-01 | 北京硕泰汇丰科技有限公司 | A method of for electroplating bath solution repeatedly positive and negative filtering step by step |
| CN109607841A (en) * | 2018-12-11 | 2019-04-12 | 珠海格力智能装备有限公司 | Efficient water use efficiency process for preparing water, water purification unit, large commercial water generator |
-
2015
- 2015-09-14 CN CN201520709980.2U patent/CN205045918U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105110524A (en) * | 2015-09-14 | 2015-12-02 | 珠海格力电器股份有限公司 | Ultrapure water preparation system and adblue preparation method |
| CN109112606A (en) * | 2018-10-24 | 2019-01-01 | 北京硕泰汇丰科技有限公司 | A method of for electroplating bath solution repeatedly positive and negative filtering step by step |
| CN109607841A (en) * | 2018-12-11 | 2019-04-12 | 珠海格力智能装备有限公司 | Efficient water use efficiency process for preparing water, water purification unit, large commercial water generator |
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