CN205687706U - A kind of ultrapure water production system and urea for vehicle solution preparation system - Google Patents
A kind of ultrapure water production system and urea for vehicle solution preparation system Download PDFInfo
- Publication number
- CN205687706U CN205687706U CN201620290309.3U CN201620290309U CN205687706U CN 205687706 U CN205687706 U CN 205687706U CN 201620290309 U CN201620290309 U CN 201620290309U CN 205687706 U CN205687706 U CN 205687706U
- Authority
- CN
- China
- Prior art keywords
- water
- reverse
- unit
- osmosis
- pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
This utility model is about a kind of ultrapure water production system and urea for vehicle solution preparation system, relates to ultra-pure water preparing technical field.A kind of ultrapure water production system includes pretreatment unit, reverse osmosis treatment device and the EDI processing means being sequentially connected with.Pretreatment unit includes filter assemblies.Reverse osmosis treatment device includes the reverse-osmosis treated unit that a reverse-osmosis treated unit or multiple connection in series-parallel are arranged；Each reverse-osmosis treated unit includes a RO reverse-osmosis membrane element or multiple RO reverse-osmosis membrane element.EDI processing means includes the water inlet control unit being sequentially connected with, water inlet detection regulation unit, EDI processing unit, produces water monitoring unit and ultra-pure water collector unit.A kind of urea for vehicle solution preparation system includes above-mentioned ultrapure water production system.This utility model is mainly used in realizing the miniaturization of ultrapure water production system and automatization, makes prepared ultra-pure water water stabilization.
Description
Technical field
This utility model relates to a kind of ultra-pure water preparing technical field, particularly relates to a kind of ultrapure water production system and car
Use urea liquid preparation system.
Background technology
Urea for vehicle refers to that urea concentration is 32.5% and solvent is the aqueous solution of urea of ultra-pure water, and its raw material is carbamide
Grain and ultra-pure water.Wherein, urea for vehicle when the tail gas of the diesel vehicle such as heavy truck, passenger vehicle is processed as catalysis reduction
Agent, enables Vehicular exhaust to reach effluent standard.
The urea for vehicle solution of present stage mainly obtains in the way of the production of chemical plant, and its nucleus equipment is dissolved urea
Ultrapure water production device used by granule.But, at least there is following technical problem in this ultrapure water production device: equipment operation
Long, floor space big, need multiple professional operation and safeguard and need to use the hazardous chemicals such as strong acid, highly basic.
Up to now, there is no a kind of integrated automatic ultrapure water production system of miniaturization to apply and prepare in all-in-one real at urea for vehicle solution
Existing intelligence produces ultra-pure water.
Utility model content
In view of this, this utility model provides a kind of ultrapure water production system and urea for vehicle solution preparation system, mainly
Purpose is to realize the miniaturization of ultrapure water production system, and makes prepared ultra-pure water water stabilization.
For reaching above-mentioned purpose, this utility model mainly provides following technical scheme:
On the one hand, embodiment of the present utility model provides a kind of ultrapure water production system, described ultrapure water production system bag
Include pretreatment unit, reverse osmosis treatment device and the EDI processing means being sequentially connected with by pipeline；Wherein,
Described pretreatment unit includes filter assemblies, for tentatively filtering former water；
Reverse osmosis treatment device, for carrying out reverse-osmosis treated to the water after preliminary filtration；Wherein, at described reverse osmosis
Reason device includes the reverse-osmosis treated unit that a reverse-osmosis treated unit or multiple connection in series-parallel are arranged；Further, each described instead
Infiltration processing unit includes a RO reverse-osmosis membrane element or multiple RO reverse-osmosis membrane element；
EDI processing means, for carrying out EDI process to the water after reverse-osmosis treated；Wherein, described EDI processing means bag
Include be sequentially connected with by pipeline water inlet control unit, water inlet detection regulation unit, EDI processing unit, produce water monitoring unit and
Ultra-pure water collector unit.
The purpose of this utility model and solve its technical problem and also can be applied to the following technical measures to achieve further.
Preferably, the one or several during described filter assemblies includes fore filter, candle filter, adsorption filter
Kind；
Wherein, described candle filter is coiling candle filter or melt-blown PP cotton filter core filter；
Described adsorption filter is granular activated carbon filter or carbon block filter.
Preferably, described fore filter selects the stainless (steel) wire fore filter of 40 μm, with filter in former water 40 μm with
On granule；
The rustless steel coiling candle filter of 10 μm selected by described coiling candle filter, to filter in former water more than 10 μm
Granule or impurity；
Described granular activated carbon filter selects the granular activated carbon filter of 10 μm, more than adsorbing and containing in former water
Chlorine.
Preferably, described filter assemblies also includes ultrafiltration membrane elements；Wherein, described ultrafiltration membrane elements is arranged on described reverse osmosis
The upstream of processing means thoroughly.
Preferably, described ultrafiltration membrane elements selects PVDF ultrafiltration membrane element capable of washing.
Preferably, described ultrafiltration membrane elements connects the first flushing line, for being rinsed ultrafiltration membrane elements；Its
In, described first flushing line is provided with the first washing control valve, is controlled with the flushing to described ultrafiltration membrane elements.
Preferably, described pretreatment unit also includes pressure control assembly, and wherein, described pressure control assembly includes:
Air relief valve, described air relief valve is arranged in the upstream of described fore filter, is used for controlling entering described pre-
Former water pressure in processing means is not more than the first setting value；
Pressure transducer, described pressure transducer is arranged on the pipe between described fore filter and coiling candle filter
Lu Shang, for detecting the discharge pressure of described fore filter；
Control valve, described control valve is arranged on the pipeline between described pressure transducer and coiling candle filter；If
The discharge pressure that pressure transducer detects is less than the second setting value, then control valve is closed, and makes described pretreatment fill
Put and quit work；
Booster pump, described booster pump is arranged on the pipeline between described control valve and coiling candle filter, and being used for will
The intake pressure of described coiling candle filter is pressurized to the 3rd setting value.
Preferably, described pretreatment unit also includes water inlet control valve and non-return valve；Wherein,
Described water inlet control valve is arranged in the upstream of described air relief valve, is used for controlling former water and enters described pretreatment
In device；
Described non-return valve is arranged on the pipeline between described air relief valve and described fore filter, is used for preventing air from entering
Enter in described ultrapure water production system.
Preferably, each described reverse-osmosis treated unit also includes:
Pressure flow detection components, described pressure flow detection components is arranged on the upstream tube of described RO reverse-osmosis membrane element
Lu Shang, for detecting intake pressure and the flow of inlet water of reverse-osmosis treated unit；
Pressure flow adjusting part, described pressure flow adjusting part is arranged on the upstream of described intake pressure detection components
On pipeline, for regulating intake pressure and the flow of inlet water of reverse-osmosis treated unit；
Producing water detection components, described product water detection components is arranged on the downstream pipe of described RO reverse-osmosis membrane element, uses
Product water water quality in detection reverse-osmosis treated unit.
Preferably, described pressure flow detection components, including pressure transducer and effusion meter；
Described pressure flow adjusting part includes high-pressure pump and the first regulation valve；Wherein, described high-pressure pump is arranged on described
In the upstream of pressure flow detection components；Described first regulation valve is arranged on the backflow in parallel with described high-pressure pump two ends and props up
Lu Shang；
Described product water detection components includes the conductivity meter producing water water quality for detecting reverse-osmosis treated unit.
Preferably, each described reverse-osmosis treated unit also includes concentrated water discharge assembly；Wherein, described concentrated water discharge assembly
Including:
Concentrated water discharge pipeline, described concentrated water discharge pipeline is connected with the concentrated water discharge mouth of described RO reverse-osmosis membrane element；And
The concentrated water discharge control valve for controlling concentrated water discharge it is provided with, for detecting concentrated water discharge pressure on concentrated water discharge pipeline
Pressure transducer and for detecting the effusion meter of concentrated water discharge flow；
Second flushing line, described second flushing line is connected with the concentrated water discharge mouth of described RO reverse-osmosis membrane element；Institute
State and on the second flushing line, be provided with the second washing control valve, to control the flushing to RO reverse-osmosis membrane element.
Preferably, described reverse osmosis treatment device includes two reverse-osmosis treated unit being arranged in series, respectively one-level
Reverse-osmosis treated unit and two-pass reverse osmosis processing unit；Wherein,
Described first-stage reverse osmosis processing unit water after tentatively filtering preprocessed device carries out first-stage reverse osmosis
Process；Wherein, described first-stage reverse osmosis processing unit includes two RO reverse-osmosis membrane elements being arranged in parallel；
Described two-pass reverse osmosis processing unit carries out two-pass reverse osmosis process to the water after first-stage reverse osmosis processes；Its
In, described two-pass reverse osmosis processing unit includes a RO reverse-osmosis membrane element.
Preferably, described reverse osmosis treatment device includes a reverse-osmosis treated unit, described reverse-osmosis treated unit bag
Include a RO reverse-osmosis membrane element.
Preferably, when described reverse-osmosis treated unit includes concentrated water discharge assembly, described two-pass reverse osmosis processing unit
Concentrated water discharge pipeline on be additionally provided with non-return valve.
Preferably, described ultrapure water production system also includes intermediate water tank；Wherein, described intermediate water tank be arranged on described instead
Permeate in the upstream of the downstream pipe of processing means, described EDI processing means, be used for collecting described reverse osmosis treatment device
Product water.
Preferably, described intermediate water tank is provided with fluid level control device, described intermediate water tank is provided with Liquid level
Device, for being controlled the setting liquid level of intermediate water tank；Wherein, described setting liquid level includes reserved peak level, is used for
When losing efficacy at the peak level control point of intermediate water tank, prevent intermediate water tank generation overflow；
It is additionally provided with respiratory organ, for realizing the balance of described intermediate water tank internal pressure, and really on described intermediate water tank
Protect outer solid granule to cannot be introduced in described intermediate water tank.
Preferably, the water inlet control unit in described EDI processing means includes: inlet pipeline and being arranged on inlet pipeline
EDI booster pump and water inlet control valve；Wherein, the upstream extremity of described inlet pipeline connects with described intermediate water tank；Described water inlet
The downstream of pipeline connects with described water inlet detection regulation unit.
Preferably, described water inlet control unit also includes the backflow branch road in parallel with described inlet pipeline；Described backflow is propped up
The downstream on road is connected with described intermediate water tank；It is provided with the second regulation valve on described backflow branch road, is used for regulating EDI and processes dress
The intake pressure put and flow of inlet water.
Preferably, described EDI processing unit includes freshwater room and dense hydroecium；Or described EDI processing unit include freshwater room,
Dense hydroecium and pole hydroecium.
Preferably, the water inlet detection regulation unit of described EDI processing means includes the first branch road and second being arranged in parallel
Branch road；
Wherein, described first branch road, upstream extremity all downstream with described water inlet control unit of the second branch road are connected；
The downstream of described first branch road is connected with the import of described freshwater room；It is provided with pressure on described first branch road to pass
Sensor and inlet regulating valve, for detecting the intake pressure of described freshwater room and regulating intake pressure and the water inlet of described freshwater room
Flow；
The downstream of described second branch road is connected with the import of described dense hydroecium；It is provided with pressure on described second branch road to pass
Sensor, effusion meter and inlet regulating valve, for detecting and regulate pressure and the flow of inlet water of the water inlet of described dense hydroecium；
Wherein, when described EDI processing unit also includes pole hydroecium, the water inlet detection regulation of described EDI processing means is single
Unit also includes and described first branch road, the 3rd branch road of the second branch circuit parallel connection；Wherein,
The upstream extremity of described 3rd branch road is connected with the downstream of described water inlet control unit；The downstream of described 3rd branch road
End is connected with the import of described pole hydroecium, and described 3rd branch road is provided with pressure transducer, effusion meter and inlet regulating valve, is used for
Detect and regulate intake pressure and the flow of inlet water of described pole hydroecium.
Preferably, the product water monitoring unit of described EDI processing means includes that resistivity meter, described resistivity meter are arranged on institute
State on the outlet pipeline of freshwater room.
Preferably, described ultra-pure water collector unit includes that ultra-pure water collects water tank, and described ultra-pure water collects water tank with described
The outlet pipeline of freshwater room connects, for collecting the fresh water that described EDI processing unit is produced.
On the other hand, embodiment of the present utility model provides a kind of urea for vehicle solution preparation system, described urea for vehicle
Solution preparation system includes the ultrapure water production system described in any of the above-described item.
By technique scheme, a kind of ultrapure water production system of the present utility model and urea for vehicle solution preparation system
At least there is following beneficial effect:
The ultrapure water production system that this utility model embodiment provides have employed the design of brand-new system, is mainly filled by pretreatment
Put, reverse osmosis treatment device and EDI processing means three part composition, three partial device structures is compact, floor space is little for this, thus
Achieve the miniaturization of ultrapure water production system.Additionally this ultrapure water production system by former water is the most tentatively filtered,
Ultra-pure water is prepared in reverse-osmosis treated and EDI process, and whole process is without using strong acid, highly basic, so that the water quality of ultra-pure water
Stable.
Further, the pretreatment unit that this utility model embodiment provides is by filter assemblies and pressure control assembly
Carry out reasonable disposition, on the one hand filter the silt in former water, granule, colloid, microorganism well, to follow-up reverse-osmosis treated
Device plays a very good protection；On the other hand the miniaturization of pretreatment unit, automatization are realized.
Further, this utility model embodiment provide reverse osmosis treatment device include a reverse-osmosis treated unit or
The reverse-osmosis treated unit that multiple connection in series-parallel are arranged, and each reverse-osmosis treated unit is by arranging the RO of one or more series connection
Reverse-osmosis membrane element, pressure flow detection components, pressure flow adjusting part, product water detection components and concentrated water discharge assembly.Logical
Cross above-mentioned setting and not only increase the reverse osmosis effect of reverse osmosis unit, also realize reverse-osmosis treated water inlet, produce water flow,
Pressure and water quality carry out on-line monitoring and regulation, it is achieved that the automatization of ultrapure water production system, intellectuality.
Further, the EDI processing means that this utility model embodiment provides is by arranging water inlet control unit, water inlet inspection
Survey regulation unit, there is freshwater room, dense hydroecium, the EDI processing unit of pole hydroecium, product water monitoring unit and ultra-pure water collection list
Unit, improves EDI treatment effect, and the water inlet, the product flow of water, pressure and the water quality that also realize processing EDI carry out on-line monitoring
And regulation, it is achieved that the automatization of ultrapure water production system, intellectuality.
To sum up, the ultrapure water production system that this utility model embodiment provides solves the small-sized collection of ultrapure water production system
One-tenthization problem, achieves the miniaturization of complete equipment by optimization technique, layout of beam line.Further, this utility model embodiment carries
The ultrapure water production system of confession can run automatically, it is not necessary to professional operates；Flow, pressure, water quality parameter on-line checking,
System is run automatically according to parameter program.It addition, without using strong acid, highly basic in the preparation process of ultra-pure water, it is ensured that super
The water quality of pure water.
On the other hand, the urea for vehicle solution preparation system that this utility model embodiment provides is above-mentioned ultrapure by using
Water preparation system, the intelligence not only achieving urea for vehicle solution produces, also improves the quality of urea for vehicle solution continuously.
Described above is only the general introduction of technical solutions of the utility model, in order to better understand skill of the present utility model
Art means, and can being practiced according to the content of description, below with preferred embodiment of the present utility model and coordinate accompanying drawing detailed
Describe in detail bright as after.
Accompanying drawing explanation
Fig. 1 is the overall schematic of a kind of ultrapure water production system that embodiment of the present utility model provides；
Fig. 2 is the overall schematic of the another kind of ultrapure water production system that embodiment of the present utility model provides；
Fig. 3 is the schematic diagram of a kind of pretreatment unit that embodiment of the present utility model provides；
Fig. 4 is the schematic diagram of the reverse osmosis treatment device that embodiment of the present utility model provides；
Fig. 5 is the schematic diagram of the EDI processing means that embodiment of the present utility model provides.
Detailed description of the invention
By further illustrating the technological means and effect that this utility model taked by reaching predetermined utility model purpose,
Below in conjunction with accompanying drawing and preferred embodiment, to according to the detailed description of the invention of this utility model application, structure, feature and merit thereof
Effect, after describing in detail such as.In the following description, what different " embodiments " or " embodiment " referred to is not necessarily same enforcement
Example.Additionally, special characteristic, structure or feature in one or more embodiment can be combined by any suitable form.
Embodiment 1
The present embodiment provides a kind of ultrapure water production system, and this ultrapure water production system is mainly used in urea for vehicle solution
Production in, with prepare urea for vehicle solution produce required for ultra-pure water.Specifically, prepared by the ultra-pure water in the present embodiment
System includes pretreatment unit, reverse osmosis treatment device and the EDI processing means being sequentially connected with by pipeline.
Wherein, pretreatment unit includes filter assemblies, for former water is tentatively filtered, with remove in former water
Grain, chlorine residue, colloid and microorganism, play the effect protecting follow-up reverse osmosis treatment device.
Reverse osmosis treatment device is for carrying out reverse-osmosis treated to the water after preliminary filtration so that it is meet EDI processing means
Inflow requirement.Wherein, reverse osmosis treatment device includes that (ultra-pure water preparation as shown in Figure 2 is a reverse-osmosis treated unit
System includes a reverse-osmosis treated unit) or multiple connection in series-parallel (" connection in series-parallel " in this include all connecting, the most in parallel, both
Having the in parallel three kinds of situations having again series connection) (ultrapure water production system as shown in Figure 1 includes two for the reverse-osmosis treated unit that arranges
The reverse-osmosis treated unit of individual series connection).Further, each reverse-osmosis treated unit includes that a RO reverse-osmosis membrane element is (such as Fig. 2 institute
Show that the reverse-osmosis treated unit in ultrapure water production system includes a RO reverse-osmosis membrane element 20) or multiple connection in series-parallel setting
(one of them the reverse-osmosis treated unit in ultrapure water production system includes two parallel connections to RO reverse-osmosis membrane element as shown in Figure 1
The RO reverse-osmosis membrane element 201 arranged).
EDI processing means is for carrying out EDI process to the water after reverse-osmosis treated.EDI processing means includes passing through pipeline
The water inlet control unit, water inlet detection regulation unit, EDI processing unit, product water monitoring unit and the ultra-pure water that are sequentially connected with are collected
Unit.Wherein, water inlet control unit is for being controlled the water inlet of EDI processing means.Water inlet detection regulation unit is used for adjusting
Freshwater room, dense hydroecium, the intake pressure of pole hydroecium, flow of inlet water in joint EDI processing unit.Produce water monitoring unit for online prison
The water quality of control the produced fresh water of EDI processing unit.Ultra-pure water collector unit is for collecting the fresh water that EDI processing unit is produced.
The ultrapure water production system that the present embodiment provides have employed the design of brand-new system, mainly by pretreatment unit, reverse osmosis
Processing means and EDI processing means three part composition thoroughly, three partial device structures is compact, floor space is little for this, it is achieved thereby that
The miniaturization of ultrapure water production system.Additionally this ultrapure water production system by former water is the most tentatively filtered, reverse osmosis
Processing and ultra-pure water is prepared in EDI process, whole process is without using strong acid, highly basic, so that the water stabilization of ultra-pure water.
Embodiment 2
It is preferred that the present embodiment provides a kind of ultrapure water production system, compared with a upper embodiment, the present embodiment is located in advance
The filter assemblies of reason device includes that fore filter, candle filter (can be selected for coiling candle filter or melt-blown PP cotton filter core
Filter) and adsorption filter (can be selected for granular activated carbon filter or carbon block filter) in one or more.Specifically,
Above-mentioned filter can be increased and decreased according to local water quality and configure by the filter assemblies of pretreatment unit.
It is preferred that as shown in figures 1 and 3, the filter assemblies in pretreatment unit in the present embodiment can be configured to as follows:
The fore filter 111 that is sequentially connected with by pipeline, (coiling candle filter in this can be with molten for coiling candle filter 112
Spray PP cotton filter core filter replace), (granular activated carbon filter in this can filter granular activated carbon filter 113 with carbon-point
Device replaces).Here, fore filter 111 selects 40 μm auto-flushing stainless (steel) wire fore filters, to filter 40 μ in former water
The silt solid particle of more than m or impurity.20 cun of 10 μm rustless steel coiling filter element filtering of 5 core selected by coiling candle filter 112
Device, to filter in former water solid particles more than 10 μm.Granular activated carbon filter 113 selects 20 cun of 10 μm seed activity of 5 core
Carbon filter, to adsorb the chlorine residue and partial organic substances contained in former water, it is ensured that enters in the water of reverse osmosis treatment device and does not contains
Chlorine residue (chlorine residue with strong oxidizing property touches the effect that the functional layer generation degraded on its surface can be destroyed by reverse osmosis membrane).
It addition, fore filter 111, coiling candle filter 112, granular activated carbon filter 113 are above-mentioned except selecting
Outside filtering accuracy, it is also possible to select other precision according to the concrete water quality in locality.
If it is preferred that the ultrapure water production system in the present embodiment is applied when poor regional of water quality, in the present embodiment
Filter assemblies also include ultrafiltration membrane elements 114.Wherein, ultrafiltration membrane elements 114 is arranged on the upstream tube of reverse osmosis treatment device
Road, is preferably provided at the downstream pipe of granular activated carbon filter 113.With remove further more than 0.1 μm in former water
Grain, colloid, partial organic substances, virus, microorganism.It is preferred that ultrafiltration membrane elements is preferably the flushable ultrafiltration membrane elements of PVDF.Relatively
Goodly, ultrafiltration membrane elements 114 connects the first flushing line for rinsing ultrafiltration membrane elements, and the first flushing line is provided with
First washing control valve 15, is controlled with the flushing to hyperfiltration membrane assembly 114.It is preferred that the first washing control valve 15 is selected
Electrical ball valve, to realize automatically controlling the flushing of hyperfiltration membrane assembly 114.
It addition, in the present embodiment, the configuration of pretreatment unit is variable, considers whether according to local water quality situation
Ultrafiltration membrane elements 114 is set.Area as good in, water quality is without arranging ultrafiltration membrane elements 114.Here, in the good area of water quality also
Fore filter and coiling candle filter, i.e. filtration group can be removed by the installation site of ultrafiltration membrane elements 114 in advance simultaneously
Part only includes ultrafiltration membrane elements and the adsorption filter being sequentially connected with by pipeline.
It addition, " upstream ", " downstream " that the present embodiment and following embodiment are mentioned is the flow direction definition according to current
's.
The device of the pretreatment that the present embodiment provides as configured above can filter former water well by carrying out filter assemblies
In silt, granule, colloid, microorganism, follow-up reverse osmosis treatment device is played a very good protection.
Embodiment 3
It is preferred that the present embodiment provides a kind of ultrapure water production system, compared with Example 2, the pretreatment of the present embodiment
Device also includes pressure control assembly, is mainly used in controlling pretreatment unit and the intake pressure of filter assemblies.
Specifically, as shown in figures 1 and 3, pressure control assembly includes air relief valve 121, pressure transducer 122, control valve
123 and booster pump 124.Wherein, air relief valve 121 is arranged in the upstream of fore filter 111, is used for controlling to enter pre-place
The former water pressure of reason device is not more than the first setting value；It is preferred that the first setting value is 0.4MPa.Pressure transducer 122 is arranged
On pipeline between fore filter 111 and coiling candle filter 112, for detecting the water outlet pressure of fore filter 111
Power.Control valve 123 is arranged on the pipeline between pressure transducer 122 and coiling candle filter 112；Here, pressure sensing
Device 122 and control valve 123 form low-voltage variation mechanism；If the intake pressure that pressure transducer detects is less than the second setting value
(it is preferred that the second setting value is 0.2MPa), the second control valve 123 is then closed, and makes pretreatment unit quit work.
It is preferred that control valve 123 selects electrical ball valve.Booster pump 124 is arranged on the second control valve 123 and coiling candle filter 112
Between pipeline on, for the intake pressure of coiling candle filter 112 is pressurized to the 3rd setting value.
It addition, pretreatment unit also includes water inlet control valve 14 and non-return valve 13.Wherein, water inlet control valve 14 is arranged on and subtracts
In the upstream of pressure valve 121, it is used for controlling former water and enters in pretreatment unit.It is preferred that water inlet control valve 14 is preferably
Manual ball valve.Non-return valve 13 is arranged in the upstream of fore filter 111 (preferably air relief valve 121 and fore filter 111
Between pipeline)；Non-return valve 13 is used for preventing air from entering in ultrapure water production system, gets rid of and occurs because air enters system
The risk of fault.
The present embodiment, by the pressure control assembly of pretreatment unit is carried out rational deployment, is carrying out pretreatment to former water
While efficiency, it is achieved the miniaturization of pretreatment unit, automatization.
The work process that former water is tentatively filtered by the pretreatment unit that the present embodiment provides is specific as follows: meet
The former water in qualified municipal tap water of GB5749-2006 standard enters the pre-of ultrapure water production system by the manual ball valve 14 opened
In processing means.Guarantee that the former water pressure entered in pretreatment unit is not more than 0.4MPa by the effect of air relief valve 121.Pass through
The effect of non-return valve 13 guarantees that air cannot enter ultrapure water production system from the water inlet of pretreatment unit, gets rid of because of sky
The risk that gas enters system and breaks down.The former water entering pretreatment unit rushes automatically through 40 μm after air relief valve 121 reduces pressure
Wash stainless (steel) wire fore filter 111 to filter the silt solid particle of more than 40 μm therein (regular auto-flushing will be deposited in
The contaminant exclusion of screen surface).Pressure transducer 122 and electrical ball valve 123 combination form low-voltage variation mechanism, when pressure passes
During the second setup pressure value 0.2MPa that the intake pressure of sensor 122 sensing designs less than system, electrical ball valve 123 is closed, and is
System quits work.20 cun of 10 μm of 5 core is sequentially entered after former water intensified pump 124 supercharging after fore filter 111 filters
20 cun of 10 μm rustless steel granular activated carbon filter 113 of rustless steel coiling candle filter 112 and 5 core.By coiling filter element mistake
Filter 112 removes the solid particle in water more than 10 μm, can adsorb the chlorine residue in water and portion by granular activated carbon filter 113
Divide Organic substance, it is ensured that enter in the water of reverse-osmosis treated unit without chlorine residue.Finally, filter through granular activated carbon filter 113
After former water through PVDF flushable ultrafiltration membrane elements 114 filter after remove the granule of more than 0.1 μm therein, colloid, part have
Machine thing, virus, microorganism.It addition, realize the film surface of ultrafiltration membrane elements 114 is carried out by the first washing control valve 15
Rinse.When the flux decline of ultrafiltration membrane elements 114 is to need to be by ultrafiltration membrane elements when auto-flushing also cannot return to 1t/h
Filter element is disassembled and is carried out manual flushing.
Embodiment 4
It is preferred that a kind of ultrapure water production system of the present embodiment offer, compared with Example 1, as in figure 2 it is shown, this enforcement
In example, each reverse-osmosis treated unit of reverse osmosis treatment device also includes: pressure flow detection components, pressure flow regulation group
Part and product water detection components.
Wherein, pressure flow adjusting part is arranged in the upstream of pressure flow detection components.Further, pressure flow
Adjusting part includes high-pressure pump 21 and the first regulation valve 22 (wherein, the first regulation valve 22 is preferably manual ball valve).First regulation
Valve 22 is arranged on the backflow branch road in parallel with high-pressure pump 21 two ends.By high-pressure pump 21 by the water of preprocessed device pretreatment
It is pressurized to the operating pressure (e.g., 0.8 or 1.6MPa) of RO reverse-osmosis membrane element 20.Wherein, flow and pressure can by with high pressure
The first regulation valve 22 on pump 21 backflow in parallel branch road regulates within the specific limits.
Wherein, pressure flow detection components, including the pressure transducer being arranged on RO reverse-osmosis membrane element 20 upstream
23 and pulsed effusion meter (not shown), pressure and flow that high-pressure pump 21 can export water carry out on-line monitoring (i.e.,
The intake pressure of monitoring reverse-osmosis treated unit and flow of inlet water), when flow is less than 1t/h, system sends prompting.
Produce water detection components to be arranged on the downstream pipe of RO reverse-osmosis membrane element 20.Specifically, water detection components bag is produced
Include the conductivity meter 24 producing water water quality for on-line monitoring reverse osmosis membrane processing unit；When producing electrical conductivity of water more than 40 μ
During mS cm, system sends prompting.It addition, the product water pressure of reverse-osmosis treated unit and flow can be by being arranged on RO reverse osmosis
Pressure transducer (not shown) and pulsed effusion meter 25 on the downstream pipe of membrane component carry out on-line monitoring.
The ultrapure water production system that the present embodiment provides is by carrying out as set above to reverse-osmosis treated unit, it is achieved that be
Automatically the running of system, operate without professional, flow, pressure and the purpose of water quality parameter on-line checking.
Embodiment 5
It is preferred that a kind of ultrapure water production system of the present embodiment offer, compared with Example 4, as in figure 2 it is shown, this enforcement
In example, each reverse-osmosis treated unit of reverse osmosis treatment device also includes concentrated water discharge assembly.Specifically, concentrated water discharge assembly
Including concentrated water discharge pipeline and the second flushing line.Wherein, concentrated water discharge pipeline and the concentrated water discharge of RO reverse-osmosis membrane element 20
Mouth connects.Pressure transducer 26, concentrated water discharge control valve 27 and effusion meter 28 (preferably pulse it is provided with on concentrated water discharge pipeline
Formula effusion meter).Wherein, the pressure and the flow that discharge dense water carry out on-line monitoring by pressure transducer 26, effusion meter 28.Second
Flushing line is connected with the concentrated water discharge mouth of RO reverse-osmosis membrane element 20, and the second flushing line is provided with the second washing control valve
29, to control the flushing to RO reverse-osmosis membrane element.The second preferred electromagnetic valve of washing control valve 29.During start or transport continuously every time
Row is forced after one hour to rinse under facilities and is realized the flushing to RO reverse-osmosis membrane element 20 by electromagnetic valve 29.
Embodiment 6
It is preferred that the present embodiment provides a kind of ultrapure water production system, compared with Example 5, reverse osmosis in the present embodiment
Processing means includes two the reverse-osmosis treated unit being arranged in series, respectively first-stage reverse osmosis processing unit and two-pass reverse osmosis
Processing unit.Wherein, first-stage reverse osmosis processing unit water after tentatively filtering preprocessed device carries out one-level reverse osmosis
Thoroughly process.Two-pass reverse osmosis processing unit carries out two-pass reverse osmosis process to the water after first-stage reverse osmosis processes.
As shown in Figure 1 and Figure 4, first-stage reverse osmosis processing unit includes two one-level RO reverse-osmosis membrane elements being arranged in parallel
201.The pretreated water of preprocessed device is pressurized to the work of one-level RO reverse-osmosis membrane element 201 through one-level high-pressure pump 211
Pressure (e.g., 0.6 or 1.6MPa).Enter the pressure of water in first-stage reverse osmosis processing unit and flow can by with one-level high pressure
The first regulation valve 221 (preferably manual ball valve) on pump 211 backflow in parallel branch road regulates within the specific limits.Pressure transducer
231, pulsed effusion meter can carry out on-line monitoring to the water of one-level high-pressure pump 211 output, and when flow is less than 1t/h, system is sent out
Go out to remind.Respectively enter in 2 one-level RO reverse-osmosis membrane elements 201 through the water of one-level high-pressure pump 211 supercharging and purify.According to working as
The condition of water quality on ground can regulate pure water/dense Water Sproading rate by concentrated water discharge control valve 271, and one-level RO reverse-osmosis membrane element returns
Yield is generally located on 30-50%.By pressure transducer 261, effusion meter 281, pressure, the flow of concentrated water discharge are carried out
Line detects.Start or continuously operation 1 hour every time, realize by controlling the second washing control valve 291 on the second flushing line
Flushing to two one-level RO reverse-osmosis membrane elements 201.The product discharge of one-level RO reverse-osmosis membrane element 201 is by effusion meter 251
On-line checking, produces water water quality and carries out on-line monitoring by conductivity meter 241, and when producing water water quality more than 40 μ S cm, system sends
Remind.
Two-pass reverse osmosis processing unit includes two grades of RO reverse-osmosis membrane elements 202.First-stage reverse osmosis processing unit
Produce water two grades of high-pressure pumps 212 of entrance and be pressurized to the operating pressure (e.g., 0.6 or 1.6MPa) of two grades of RO reverse-osmosis membrane elements 202.Stream
Amount and pressure can be by regulating with the manual ball valve 222 on two grades of high-pressure pump 212 backflow in parallel branch roads within the specific limits.Warp
The water of two grades of high-pressure pumps 212 supercharging enters two grades of RO reverse-osmosis membrane elements 202 and purifies.According to local condition of water quality by dense water
Exhaust-control valve 272 can regulate pure water/dense Water Sproading rate, and two grades of RO reverse-osmosis membrane element response rate are generally located on 40-
90%.By pressure transducer 262, effusion meter 282, concentrated water discharge pressure, flow are carried out on-line checking.Start shooting every time or connect
Reforwarding row 1 hour, realizes two grades of RO reverse-osmosis membrane elements by controlling the second washing control valve 292 on the second flushing line
The flushing of 202.The product discharge of two grades of RO reverse-osmosis membrane elements 202, by effusion meter 252 on-line checking, is produced water water quality and is passed through conductance
Rate instrument 242 carries out on-line monitoring, and when producing water water quality more than 20 μ S cm, system sends prompting.
It addition, reverse osmosis treatment device also includes first row water lines 51, the concentrated water discharge pipeline of reverse-osmosis treated unit
And second flushing line be connected to first row water lines 51.It is preferred that the first flushing line also with the in pretreatment unit
One discharge pipe line 51 connects.It is preferred that the highest point in first row water lines 51 is additionally provided with air bleeding valve 511, it is used for getting rid of the
The gas accumulated in one discharge pipe line, prevents the generation of back pressure.
It is preferred that be additionally provided with non-return valve 290 on the concentrated water discharge pipeline of two-pass reverse osmosis processing unit, it is used for preventing one
The discharge of the dense water water dense on two-pass reverse osmosis processing unit that level reverse-osmosis treated unit is discharged produces impact.
Embodiment 7
It is preferred that the present embodiment provides a kind of ultrapure water production system, compared with above-described embodiment, as in figure 2 it is shown, this reality
Execute reverse osmosis treatment device in example and only include a reverse-osmosis treated unit, and this reverse-osmosis treated unit includes that a RO is anti-
Permeable membrane device 20.It is the most regional that reverse osmosis treatment device in the present embodiment is applicable to water quality.Its work process is with reference to real
Execute described in example 6, do not repeat at this to repeat.
The reverse osmosis treatment device that above-described embodiment provides arranges a reverse-osmosis treated unit or many according to local water quality
The reverse-osmosis treated unit of individual series connection, and each reverse-osmosis treated unit is by arranging the RO reverse osmosis membrane of one or more series connection
Element, pressure flow detection components, pressure flow adjusting part, product water detection components and concentrated water discharge assembly.Set by above-mentioned
Put the reverse osmosis effect not only increasing reverse osmosis unit, also realize the water inlet of reverse-osmosis treated, produce the flow of water, pressure and water
Matter carries out on-line monitoring and regulation, it is achieved that the automatization of ultrapure water production system, intellectuality.
Embodiment 8
It is preferred that the present embodiment provides a kind of ultrapure water production system, compared with above-described embodiment, as shown in Figure 1, Figure 2 and Fig. 4
Shown in, the ultrapure water production system in the present embodiment also includes intermediate water tank 3.Wherein, intermediate water tank 3 is arranged on reverse-osmosis treated
The downstream pipe of device, EDI processing means upstream on, for collecting the product water of described reverse osmosis treatment device.Such as Fig. 1
Shown in Fig. 4, intermediate water tank 3 is arranged on the downstream pipe of two-pass reverse osmosis processing unit.
It is preferred that intermediate water tank 3 is provided with for intermediate water tank being set the fluid level control device that liquid level is controlled,
And intermediate water tank strict seal；Wherein, setting liquid level has four points (i.e. 4 Liquid level points), the highest reserved Liquid level
Point (that is, the reserved peak level of intermediate water tank) is insurance water lev el control point, and this reserved high water level does not the most contact water, when the highest
When water lev el control lost efficacy, reserved high water level plays the effect preventing intermediate water tank generation overflow.The top of intermediate water tank 3 is provided with
Respiratory organ 31, while being used for getting rid of excessive gas, it is ensured that outside solid particle cannot be introduced into intermediate water tank.
The lower end of intermediate water tank 3 is provided with outlet conduit, and outlet conduit is provided with outlet water control valve 32, is used for controlling centre
The water outlet of water tank 3；It is preferred that outlet water control valve 32 is preferably manual ball valve.It addition, the free end of outlet conduit is additionally provided with pre-
Stay discharge outlet 33.It is preferred that the water inlet of intermediate water tank 3 is arranged on the bottom of water tank 3.
Embodiment 9
It is preferred that the present embodiment provides a kind of ultrapure water production system, compared with above-described embodiment, such as Fig. 1 and Fig. 5 institute
Showing, in the present embodiment, the water inlet control unit in EDI processing means includes: inlet pipeline and the EDI being arranged on inlet pipeline
Booster pump 412 and water inlet control valve 411 (wherein, water inlet control valve 411 is preferably electrical ball valve).The upstream side of inlet pipeline with
Intermediate water tank 3 connects, and the downstream of inlet pipeline is connected with water inlet detection regulation unit.
It is preferred that water inlet control unit also includes the backflow branch road in parallel with inlet pipeline, the downstream of backflow branch road and
Intermediate water tank 3 connects；(wherein, the second regulation valve 413 is preferably manual ball to be provided with the second regulation valve 413 on this backflow branch road
Valve), for regulating intake pressure and the flow of inlet pipeline within the specific limits.If this backflow branch road and intermediate water tank 3 times
When end connects, this backflow branch road needs to arrange a non-return valve.
It is preferred that the water inlet EDI processing unit in the present embodiment includes freshwater room and dense hydroecium.Or described EDI processes single
Unit includes freshwater room, dense hydroecium and pole hydroecium.
It is preferred that the water inlet detection regulation unit in the present embodiment includes the first branch road and the second branch road being arranged in parallel.
Wherein, wherein, described first branch road, upstream extremity all downstream with described water inlet control unit of the second branch road are connected.First
The downstream of branch road is connected with the import of freshwater room；Pressure transducer 421, effusion meter and water inlet regulation it is provided with on first branch road
Valve 422 (preferably needle stop valve), for detecting and regulate intake pressure and the flow of inlet water of freshwater room.Under second branch road
Trip end is connected with the import of dense hydroecium, and the second branch road is provided with pressure transducer 423, effusion meter 424 and inlet regulating valve 425
(preferably needle stop valve), for detecting and regulate pressure and the flow of the water inlet of dense hydroecium.When EDI processing unit also includes pole
During hydroecium, EDI processing means water inlet detection regulation unit also include with described first branch road, the 3rd of the second branch circuit parallel connection
Road；The upstream extremity of the 3rd branch road all downstream with described water inlet control unit are connected；The downstream of the 3rd branch road and pole hydroecium
Import connect, the 3rd branch road is provided with pressure transducer 426, effusion meter 427 and inlet regulating valve 428, and (preferably aciculiform is cut
Only valve), for detecting and regulate pressure and the flow of pole hydroecium water inlet.It is preferred that the flow of inlet water of freshwater room in the present embodiment
Control at 80-120L/h；The flow of inlet water of dense hydroecium controls at 12-18L/h；The flow of inlet water of pole hydroecium controls at 3-5L/h.
It is preferred that the EDI processing means in the present embodiment also includes the power supply for providing electric energy to EDI processing unit,
Wherein, operating voltage range is 50-100V；Electric current is 0.2-0.3A.
Include being connected to resistivity meter 442 on freshwater room outlet pipeline it is preferred that EDI produces water on-line monitoring unit.Wherein,
When resistivity is less than 2M Ω cm, system sends prompting.EDI produces water on-line monitoring unit and also includes that being connected to freshwater room goes out
Effusion meter 441 in water lines produces the flow of water for detecting EDI.
It is preferred that ultra-pure water collector unit includes that ultra-pure water collects water tank 45, ultra-pure water collects water tank 45 and freshwater room
Outlet pipeline connects, for collecting the fresh water that EDI module is produced.It is preferred that ultra-pure water is collected is provided with respiratory organ on water tank 45
451, to realize the pressure balance within pure water collection water tank 45, and guarantee that exterior materials cannot be introduced into water tank.It is preferred that it is ultrapure
Water is collected and is additionally provided with fluid level control device on water tank 45, to control the liquid level of ultra-pure water collection water tank (here, ultra-pure water is collected
The function of the fluid level control device on water tank 45 can be found in the fluid level control device on the intermediate water tank in embodiment 8, at this not
Repeat to repeat).(wherein, should it is preferred that the lower end of ultra-pure water collection water tank is provided with for the pipeline 454 connecting stirring flow process
Rolling road 454 is for connecting the agitator tank in urea for vehicle solution preparation system, concrete detailed in Example 10) and outlet pipeline, go out
It is provided with outlet water control valve 452 in water lines, and the end of outlet pipeline is provided with reserved discharge outlet 453.
It is preferred that the EDI processing means in the present embodiment also includes EDI discharge pipe line 52, it is used for connecting in EDI module dense
Hydroecium and pole hydroecium.
It is preferred that water inlet detection regulates is additionally provided with a control valve 414 on the pipeline between unit and water inlet control unit,
This control valve 414 is preferably rustless steel needle-valve.
The EDI processing means that the present embodiment provides, by above-mentioned setting, improves EDI treatment effect, also realizes at anti-EDI
The water inlet of reason, produce the flow of water, pressure and water quality carry out on-line monitoring and i.e. regulate, it is achieved that ultrapure water production system automatic
Change, intellectuality.
It is preferred that when in water, carbon dioxide is along in the case of affect effluent quality, and the pretreatment in above-described embodiment fills
Put and can add a degasser, to carry out the abjection of carbon dioxide, thus ensure the water quality of ultra-pure water.Requiring higher water outlet water
(such as 18M Ω cm) in the case of matter, a polishing resin unit can be installed after EDI processing means additional and be further purified, with
Common process is compared, and the polishing resin unit volume installed additional to be greatly reduced.
It is preferred that the pipeline highest point in the ultrapure water production system provided in above-described embodiment is provided with air bleeding valve, with
Pipeline is protected and is guaranteed the water quality of ultra-pure water.
To sum up, the ultrapure water production system that above-described embodiment of the present utility model provides solves ultrapure water production system
Small integrated problem, achieves the miniaturization of complete equipment by optimization technique, layout of beam line.Further, state embodiment to provide
Ultrapure water production system can automatically run, it is not necessary to professional operates；Flow, pressure, water quality parameter on-line checking, be
System runs automatically according to parameter program.It addition, without using strong acid, highly basic in the preparation process of ultra-pure water, it is ensured that ultrapure
The water quality of water.
Embodiment 10
On the other hand, the present embodiment provides a kind of urea for vehicle solution preparation system, and wherein, prepared by this urea for vehicle solution
System includes the ultrapure water production system of any of the above-described embodiment.
It is preferred that the preparation system of the urea for vehicle solution in the present embodiment also includes agitator tank, this agitator tank has super
Purified water inlet, urea granules import and urea for vehicle taphole.Wherein, ultra-pure water import and surpassing in ultrapure water production system
Pure water collection water tank connects.
The urea for vehicle solution preparation system of the present embodiment offer ultrapure water production system by employing above-described embodiment,
The intelligence not only achieving urea for vehicle solution produces, also improves the quality of urea for vehicle solution continuously.
In sum, skilled addressee readily understands that, on the premise of not conflicting, above-mentioned each advantageous manner can
Freely to combine, superposition.
The above, be only preferred embodiment of the present utility model, not this utility model is made any in form
Restriction, any simple modification, equivalent variations and modification above example made according to the technical spirit of the present invention, the most still
Belong in the range of technical solutions of the utility model.
Claims (23)
1. a ultrapure water production system, it is characterised in that described ultrapure water production system includes being sequentially connected with by pipeline
Pretreatment unit, reverse osmosis treatment device and EDI processing means；Wherein,
Described pretreatment unit includes filter assemblies, for tentatively filtering former water；
Reverse osmosis treatment device, for carrying out reverse-osmosis treated to the water after preliminary filtration；Wherein, described reverse osmosis treatment device
The reverse-osmosis treated unit arranged including a reverse-osmosis treated unit or multiple connection in series-parallel；Further, at each described reverse osmosis
Reason unit includes a RO reverse-osmosis membrane element or multiple RO reverse-osmosis membrane element；
EDI processing means, for carrying out EDI process to the water after reverse-osmosis treated；Wherein, described EDI processing means includes leading to
Cross water inlet control unit, water inlet detection regulation unit, EDI processing unit that pipeline is sequentially connected with, produce water monitoring unit and ultrapure
Water collector unit.
Ultrapure water production system the most according to claim 1, it is characterised in that described filter assemblies includes prefilter
One or more in device, candle filter, adsorption filter；
Wherein, described candle filter is coiling candle filter or melt-blown PP cotton filter core filter；
Described adsorption filter is granular activated carbon filter or carbon block filter.
Ultrapure water production system the most according to claim 2, it is characterised in that
Described fore filter selects the stainless (steel) wire fore filter of 40 μm, to filter in former water granules more than 40 μm；
The rustless steel coiling candle filter of 10 μm selected by described coiling candle filter, with filter in former water more than 10 μm
Grain；
Described granular activated carbon filter selects the granular activated carbon filter of 10 μm, to adsorb the chlorine residue contained in former water.
4. according to the ultrapure water production system described in Claims 2 or 3, it is characterised in that described filter assemblies also includes ultrafiltration
Membrane component；Wherein, described ultrafiltration membrane elements is arranged on the upstream of described reverse osmosis treatment device.
Ultrapure water production system the most according to claim 4, it is characterised in that described ultrafiltration membrane elements is selected capable of washing
PVDF ultrafiltration membrane element.
Ultrapure water production system the most according to claim 5, it is characterised in that described ultrafiltration membrane elements connects first
Flushing line, for being rinsed ultrafiltration membrane elements；Wherein, described first flushing line is provided with the first flushing to control
Valve, is controlled with the flushing to described ultrafiltration membrane elements.
Ultrapure water production system the most according to claim 2, it is characterised in that described pretreatment unit also includes pressure control
Assembly processed, wherein, described pressure control assembly includes:
Air relief valve, described air relief valve is arranged in the upstream of described fore filter, is used for controlling to enter described pretreatment
Former water pressure in device is not more than the first setting value；
Pressure transducer, described pressure transducer is arranged on the pipeline between described fore filter and coiling candle filter
On, for detecting the discharge pressure of described fore filter；
Control valve, described control valve is arranged on the pipeline between described pressure transducer and coiling candle filter；If pressure
The discharge pressure that sensor detects is less than the second setting value, then control valve is closed, and makes described pretreatment unit stop
Only work；
Booster pump, described booster pump is arranged on the pipeline between described control valve and coiling candle filter, for by described
The intake pressure of coiling candle filter is pressurized to the 3rd setting value.
Ultrapure water production system the most according to claim 7, it is characterised in that described pretreatment unit also includes into water control
Valve processed and non-return valve；Wherein,
Described water inlet control valve is arranged in the upstream of described air relief valve, is used for controlling former water and enters described pretreatment unit
In；
Described non-return valve is arranged on the pipeline between described air relief valve and described fore filter, is used for preventing air from entering institute
State in ultrapure water production system.
Ultrapure water production system the most according to claim 1, it is characterised in that each described reverse-osmosis treated unit also wraps
Include:
Pressure flow detection components, described pressure flow detection components, it is arranged on the upstream of described RO reverse-osmosis membrane element
On, for detecting intake pressure and the flow of inlet water of reverse-osmosis treated unit；
Pressure flow adjusting part, described pressure flow adjusting part is arranged on the upstream of described intake pressure detection components
On, for regulating intake pressure and the flow of inlet water of reverse-osmosis treated unit；
Producing water detection components, described product water detection components is arranged on the downstream pipe of described RO reverse-osmosis membrane element, is used for examining
Survey the product water water quality of reverse-osmosis treated unit.
Ultrapure water production system the most according to claim 9, it is characterised in that
Described pressure flow detection components includes pressure transducer and effusion meter；
Described pressure flow adjusting part includes high-pressure pump and the first regulation valve；Wherein, described high-pressure pump is arranged on described pressure
In the upstream of flow detection assembly；Described first regulation valve is arranged on the backflow branch road in parallel with described high-pressure pump two ends
On；
Described product water detection components includes the conductivity meter producing water water quality for detecting reverse-osmosis treated unit.
11. ultrapure water production systems according to claim 1, it is characterised in that each described reverse-osmosis treated unit is also
Including concentrated water discharge assembly；Wherein, described concentrated water discharge assembly includes:
Concentrated water discharge pipeline, described concentrated water discharge pipeline is connected with the concentrated water discharge mouth of described RO reverse-osmosis membrane element；And dense water
The concentrated water discharge control valve for controlling concentrated water discharge it is provided with, for detecting the pressure biography of concentrated water discharge pressure on discharge pipe
Sensor and for detecting the effusion meter of concentrated water discharge flow；
Second flushing line, described second flushing line is connected with the concentrated water discharge mouth of described RO reverse-osmosis membrane element；Described
The second washing control valve it is provided with, to control the flushing to RO reverse-osmosis membrane element on two flushing lines.
12. according to the ultrapure water production system described in any one of claim 9-11, it is characterised in that described reverse-osmosis treated fills
Put and include that two reverse-osmosis treated unit being arranged in series, respectively first-stage reverse osmosis processing unit and two-pass reverse osmosis process list
Unit；Wherein,
Described first-stage reverse osmosis processing unit water after tentatively filtering preprocessed device carries out first-stage reverse osmosis process；
Wherein, described first-stage reverse osmosis processing unit includes two RO reverse-osmosis membrane elements being arranged in parallel；
Described two-pass reverse osmosis processing unit carries out two-pass reverse osmosis process to the water after first-stage reverse osmosis processes；Wherein, institute
State two-pass reverse osmosis processing unit and include a RO reverse-osmosis membrane element.
13. according to the ultrapure water production system described in any one of claim 9-11, it is characterised in that described reverse-osmosis treated fills
Put and include that a reverse-osmosis treated unit, described reverse-osmosis treated unit include a RO reverse-osmosis membrane element.
14. ultrapure water production systems according to claim 12, it is characterised in that when described reverse-osmosis treated unit includes
During concentrated water discharge assembly, the concentrated water discharge pipeline of described two-pass reverse osmosis processing unit is additionally provided with non-return valve.
15. ultrapure water production systems according to claim 1, it is characterised in that described ultrapure water production system also includes
Intermediate water tank；Wherein, described intermediate water tank is arranged on the downstream pipe of described reverse osmosis treatment device, described EDI processing means
Upstream on, for collecting the product water of described reverse osmosis treatment device.
16. ultrapure water production systems according to claim 15, it is characterised in that be provided with liquid level on described intermediate water tank
Control device, for the setting liquid level of intermediate water tank is controlled；Wherein, described setting liquid level includes reserved peak level,
During for losing efficacy at the peak level control point of intermediate water tank, prevent intermediate water tank generation overflow；
It is additionally provided with respiratory organ, for realizing the balance of described intermediate water tank internal pressure, and outside guaranteeing on described intermediate water tank
Portion's solid particle cannot be introduced in described intermediate water tank.
17. ultrapure water production systems according to claim 15, it is characterised in that the water inlet in described EDI processing means
Control unit includes: inlet pipeline and the EDI booster pump being arranged on inlet pipeline and water inlet control valve；Wherein, described water inlet
The upstream extremity of pipeline connects with described intermediate water tank；The downstream of described inlet pipeline is with described water inlet detection regulation unit even
Logical.
18. ultrapure water production systems according to claim 17, it is characterised in that described water inlet control unit also include with
The backflow branch road that described inlet pipeline is in parallel；The downstream of described backflow branch road is connected with described intermediate water tank；Described backflow is propped up
The second regulation valve it is provided with, for regulating intake pressure and the flow of inlet water of EDI processing means on road.
19. ultrapure water production systems according to claim 1, it is characterised in that described EDI processing unit includes freshwater room
With dense hydroecium；Or described EDI processing unit includes freshwater room, dense hydroecium and pole hydroecium.
20. ultrapure water production systems according to claim 19, it is characterised in that the water inlet inspection of described EDI processing means
Survey the first branch road and the second branch road that regulation unit includes being arranged in parallel；
Wherein, described first branch road, upstream extremity all downstream with described water inlet control unit of the second branch road are connected；
The downstream of described first branch road is connected with the import of described freshwater room；It is provided with pressure transducer on described first branch road
And inlet regulating valve, for detecting the intake pressure of described freshwater room and regulating intake pressure and the feed water flow of described freshwater room
Amount；
The downstream of described second branch road is connected with the import of described dense hydroecium；It is provided with pressure sensing on described second branch road
Device, effusion meter and inlet regulating valve, for detecting and regulate pressure and the flow of inlet water of the water inlet of described dense hydroecium；
Wherein, when described EDI processing unit also includes pole hydroecium, the water inlet detection regulation unit of described EDI processing means is also
Including with described first branch road, the 3rd branch road of the second branch circuit parallel connection；Wherein,
The upstream extremity of described 3rd branch road is connected with the downstream of described water inlet control unit；The downstream of described 3rd branch road with
The import of described pole hydroecium connects, and described 3rd branch road is provided with pressure transducer, effusion meter and inlet regulating valve, is used for detecting
And regulate intake pressure and the flow of inlet water of described pole hydroecium.
21. ultrapure water production systems according to claim 19, it is characterised in that the product water prison of described EDI processing means
Control unit includes that resistivity meter, described resistivity meter are arranged on the outlet pipeline of described freshwater room.
22. ultrapure water production systems according to claim 19, it is characterised in that described ultra-pure water collector unit includes surpassing
Pure water collection water tank, described ultra-pure water is collected water tank and is connected with the outlet pipeline of described freshwater room, is used for collecting described EDI process
The fresh water that unit is produced.
23. 1 kinds of urea for vehicle solution preparation systems, it is characterised in that described urea for vehicle solution preparation system includes that right is wanted
Seek the ultrapure water production system described in any one of 1-22.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620290309.3U CN205687706U (en) | 2016-04-08 | 2016-04-08 | A kind of ultrapure water production system and urea for vehicle solution preparation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620290309.3U CN205687706U (en) | 2016-04-08 | 2016-04-08 | A kind of ultrapure water production system and urea for vehicle solution preparation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205687706U true CN205687706U (en) | 2016-11-16 |
Family
ID=57263959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620290309.3U Expired - Fee Related CN205687706U (en) | 2016-04-08 | 2016-04-08 | A kind of ultrapure water production system and urea for vehicle solution preparation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205687706U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112723623A (en) * | 2020-12-04 | 2021-04-30 | 珠海格力智能装备有限公司 | Ultrapure water production system and ultrapure water production method |
-
2016
- 2016-04-08 CN CN201620290309.3U patent/CN205687706U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112723623A (en) * | 2020-12-04 | 2021-04-30 | 珠海格力智能装备有限公司 | Ultrapure water production system and ultrapure water production method |
| CN112723623B (en) * | 2020-12-04 | 2022-04-08 | 珠海格力智能装备有限公司 | Ultrapure water production system and ultrapure water production method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105731695A (en) | Ultrapure water preparing system and adblue solution preparing system | |
| CN105692973A (en) | Ultrapure water preparation system and urea solution preparation system for vehicles | |
| CN205613286U (en) | Control wastewater discharge's water preparation system is detected through waste water TDS | |
| CN102648160B (en) | Recycling method and device for recycling waste water containing slurry from a semi-conductor treatment process, in particular from a chemico-mechanical polishing process | |
| CN107324525A (en) | Adjustable TDS value direct drinking water purifiers | |
| CN108911222A (en) | Film process equipment and its control method for Treated sewage reusing | |
| CN104773856B (en) | A kind of Wastewater-free water purifier | |
| CN206109071U (en) | Purifier of pure water backward flow back flush milipore filter | |
| CN203922880U (en) | A kind of water-purifying machine | |
| CN205687706U (en) | A kind of ultrapure water production system and urea for vehicle solution preparation system | |
| CN206843145U (en) | A kind of water purifier that can retain water mineral according to setting value | |
| CN205556330U (en) | Ultrapure water preparation system and automobile -used urea solution preparation system | |
| CN207130054U (en) | A kind of seawater filtering system | |
| CN107224877A (en) | A kind of packaging type super-filter purifying device | |
| CN205933437U (en) | Water -saving type reverse osmosis water purifier | |
| CN205740556U (en) | A kind of brackish water desalination system utilizing dense water to carry out backwash | |
| CN114890580A (en) | GTRO wisdom reverse osmosis membrane system | |
| CN108273388A (en) | A kind of cross-flow loop ultrafiltration super-pressure reverse osmosis treatment system | |
| CN209872555U (en) | Composite filter element | |
| CN104674519B (en) | A kind of washing machine and control method for washing | |
| CN207418344U (en) | Reverse osmosis purified water system and water purifier | |
| CN206204076U (en) | A kind of filtration system and reverse osmosis water purification machine | |
| CN207918649U (en) | A kind of pretreatment unit of sewage draining exit | |
| CN208008637U (en) | A kind of river black and odorous water tubular membrane MBR processing equipments | |
| CN205710159U (en) | A kind of recovery system of electroplating wastewater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161116 |