CN206624679U - Reverse osmosis unit - Google Patents
Reverse osmosis unit Download PDFInfo
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- CN206624679U CN206624679U CN201720254189.6U CN201720254189U CN206624679U CN 206624679 U CN206624679 U CN 206624679U CN 201720254189 U CN201720254189 U CN 201720254189U CN 206624679 U CN206624679 U CN 206624679U
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- reverse osmosis
- osmosis unit
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Abstract
The utility model discloses a kind of reverse osmosis unit.The device includes the first reverse osmosis units, the second reverse osmosis units and concentrated water collecting box, and desalination water inlet and brine outlet are provided with the first reverse osmosis units；Strong brine import is provided with second reverse osmosis units, strong brine import is connected with brine outlet；Concentrated water collecting box is arranged on the pipeline between strong brine import and brine outlet.Above-mentioned reverse osmosis unit is in addition to the first reverse osmosis units, in addition to the second reverse osmosis units and concentrated water collecting box.The reverse osmosis concentrated brine collection of the first reverse osmosis units output can be got up using concentrated water collecting box, the second reverse osmosis units further can be handled these strong brines, produce the purified water for meeting water quality requirement.As can be seen here, the utilization rate of reverse osmosis concentrated salt solution can be improved using above-mentioned reverse osmosis unit.
Description
Technical field
Water treatment field is the utility model is related to, in particular to a kind of reverse osmosis unit.
Background technology
Reverse osmosis membrane industry is mainly used in desalting water treatment field, including large-sized boiler make-up water, chemical industry and other works
Industry pure water, the market scale of drinking water are taken second place, in industries such as electronics, semiconductor, pharmacy, medical treatment, food, beverage, drinks, environmental protection
Application also form certain scale.
The traditional processing method of reverse osmosis concentrated salt solution is mainly directly discharged into surface water, is discharged into domestic sewerage systems, is direct
Carry out the irrigation in soil or carry out deep well injection.The near factory of bank off sea is typically discharged into marine, near from desert factory and is typically discharged into
In desert.For the rate of recovery of conventional reverse osmosis system water typically below 75%, system water utilization rate is too low, for handling water
Big device is measured, the water of waste is more, so as to production cost be caused to increase.In addition, containing various organic and inorganic in strong brine
Pollutant, directly discharge can pollute to generations such as soil, surface water, oceans, be discharged into municipal sewage system, too high is total molten
Growth of the solution property solid to activated sludge is also very unfavorable.
For these reasons, it is necessary to a kind of reverse osmosis unit is provided, to improve the utilization rate of reverse osmosis concentrated salt solution.
Utility model content
The utility model aims to provide a kind of reverse osmosis unit, to solve the strong brine of reverse osmosis unit in the prior art profit
With rate it is low the problem of.
To achieve these goals, according to one side of the present utility model, there is provided a kind of reverse osmosis unit, it is wrapped
Include：First reverse osmosis units, desalination water inlet and brine outlet are provided with the first reverse osmosis units；Second counter-infiltration list
Member, strong brine import is provided with the second reverse osmosis units, strong brine import is connected with brine outlet；And concentrated water is collected
Case, concentrated water collecting box are arranged on the pipeline between strong brine import and brine outlet.
Further, the first reverse osmosis units include the first cartridge filter, the reverse osmosis unit one-level one being arranged in series
Two sections of section and reverse osmosis unit one-level, desalination water inlet, two sections of reverse osmosis unit one-level are provided with the first cartridge filter
On be provided with brine outlet.
Further, the second reverse osmosis units include the second cartridge filter, the reverse osmosis unit two level one being arranged in series
Section and reverse osmosis unit two-stage two-segment, strong brine import is provided with the second cartridge filter.
Further, the first reverse osmosis units also include the first high-pressure pump, and the first high-pressure pump is arranged in series in the first security personnel
Between one section of filter and reverse osmosis unit one-level.
Further, the second reverse osmosis units also include the second high-pressure pump, and the second high-pressure pump is arranged in series in the second security personnel
Between one section of filter and reverse osmosis unit two level.
Further, the second reverse osmosis units also include concentrated water booster pump, and concentrated water booster pump is arranged in series in concentrated water collection
Between case and the second cartridge filter.
Further, the first reverse osmosis units also include the first electric control valve, and the first electric control valve is arranged on dense salt
On pipeline where water out.
Further, reverse osmosis unit also includes：First purified water discharge pipe, the first purified water discharge pipe and reverse osmosis
Saturating one section of device one-level is connected for two sections with reverse osmosis unit one-level；And the second purified water discharge pipe, the discharge of the second purified water
Pipeline is connected with one section of reverse osmosis unit two level and reverse osmosis unit two-stage two-segment.
Further, reverse osmosis unit also includes concentrated water treatment box, concentrated water treatment box and reverse osmosis unit two-stage two-segment phase
Even.
Further, reverse osmosis unit also includes：First concentrated water discharge branch road, the first concentrated water discharge branch road are connected to dense salt
On pipeline where water out；And the second concentrated water discharge branch road, the second concentrated water discharge branch road be connected to concentrated water treatment box with it is anti-
On pipeline between permeability apparatus two-stage two-segment.
Reverse osmosis unit provided by the utility model, in addition to the first reverse osmosis units, in addition to the second counter-infiltration list
Member and concentrated water collecting box.The reverse osmosis concentrated brine collection of the first reverse osmosis units output can be got up using concentrated water collecting box,
Second reverse osmosis units further can be handled these strong brines, produce the purified water for meeting water quality requirement.Thus
It can be seen that the utilization rate of reverse osmosis concentrated salt solution can be improved using above-mentioned reverse osmosis unit.
Brief description of the drawings
The Figure of description for forming the part of the application is used for providing further understanding to of the present utility model, this practicality
New schematic description and description is used to explain the utility model, does not form to improper restriction of the present utility model.
In the accompanying drawings：
Fig. 1 shows the reverse osmosis unit in a kind of embodiment of the utility model.
Wherein, reference is as follows：
10th, the first reverse osmosis units；11st, the first cartridge filter；12nd, one section of reverse osmosis unit one-level；13rd, counter-infiltration fills
Put two sections of one-level；14th, the first high-pressure pump；15th, the first electric control valve；20th, the second reverse osmosis units；21st, second security personnel's filtering
Device；22nd, one section of reverse osmosis unit two level；23rd, reverse osmosis unit two-stage two-segment；24th, the second high-pressure pump；25th, concentrated water booster pump；
30th, concentrated water collecting box；40th, concentrated water treatment box.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the utility model in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
As background section is introduced, it is not high strong brine utilization rate to be present in reverse osmosis unit of the prior art
Problem.In order to solve this problem, the utility model provides a kind of reverse osmosis unit, as shown in figure 1, the device includes first
Reverse osmosis units 10, the second reverse osmosis units 20 and concentrated water collecting box 30, demineralized water is provided with the first reverse osmosis units 10
Import and brine outlet；Strong brine import, strong brine import and brine outlet phase are provided with second reverse osmosis units 20
Connection；Concentrated water collecting box 30 is arranged on the pipeline between strong brine import and brine outlet.
Above-mentioned reverse osmosis unit is in addition to the first reverse osmosis units 10, in addition to the second reverse osmosis units 20 and concentrated water are collected
Case 30.The reverse osmosis concentrated brine collection of the output of first reverse osmosis units 10 can be got up using concentrated water collecting box 30, second is anti-
Permeation unit 20 further can be handled these strong brines, produce the purified water for meeting water quality requirement.As can be seen here,
The utilization rate of reverse osmosis concentrated salt solution can be improved using above-mentioned reverse osmosis unit.
In a preferred embodiment, the first reverse osmosis units 10 include the first cartridge filter being arranged in series
11st, two section 13 of one section 12 of reverse osmosis unit one-level and reverse osmosis unit one-level, desalination is provided with the first cartridge filter 11
Water inlet, brine outlet is provided with two section 13 of reverse osmosis unit one-level.It can go to remove water using the first cartridge filter 11
In small suspension, bacterium and other impurity etc., raw water quality is reached the inflow requirement of reverse osmosis membrane.Reverse osmosis unit one
The two section of 13 dual counter-infiltration of one section 12 of level and reverse osmosis unit one-level is set, and is more beneficial for improving the Water Sproading rate of demineralized water.
Similarly, it is preferable that the second reverse osmosis units 20 include the second cartridge filter 21, the reverse osmosis unit being arranged in series
One section 22 of two level and reverse osmosis unit two-stage two-segment 23, strong brine import is provided with the second cartridge filter 21.So may be used
Strong brine will be collected into further to be concentrated, the rate of recovery of counter-infiltration system water can be brought up to 90% from 75%, namely
Now the utilization rate of water has also reached 90%, greatly improves the utilization rate of water.
In a preferred embodiment, the first reverse osmosis units 10 also include the first high-pressure pump 14, the first high-pressure pump
14 are arranged in series between one section 12 of the first cartridge filter 11 and reverse osmosis unit one-level.Second reverse osmosis units 20 also include
Second high-pressure pump 24, the second high-pressure pump 24 be arranged in series in one section 22 of the second cartridge filter 21 and reverse osmosis unit two level it
Between.So, demineralized water and strong brine can more smoothly enter counter-infiltration process.
In a preferred embodiment, the second reverse osmosis units 20 also include concentrated water booster pump 25, concentrated water booster pump
25 are arranged in series between the cartridge filter 21 of concentrated water collecting box 30 and second.It can make strong brine more using concentrated water booster pump 25
Smoothly enter the second reverse osmosis units 20.
In a preferred embodiment, the first reverse osmosis units 10 also include the first electric control valve 15, the first electricity
Move on the pipeline where regulating valve 15 is arranged on brine outlet.Using the first electric control valve 15, when needing to adjust counter-infiltration
During the system rate of recovery, it is not necessary to manually adjusted again to on-site manual, but the can program control operation on DCS.And valve
Can is explicitly shown out aperture on computers, and this is more accurate and quick for manual operation Hand-operated butterfly valve,
It is more intelligent.
Preferably, it is additionally provided with first on the pipeline between one section 12 of the first cartridge filter 11 and reverse osmosis unit one-level
Hand-operated valve, the second electric control valve and first check-valve；Between one section 22 of second cartridge filter 21 and reverse osmosis unit two level
Pipeline on be additionally provided with the second hand-operated valve, the 3rd electric control valve and second check-valve；The He of reverse osmosis unit two-stage two-segment 23
The 3rd hand-operated valve and the 3rd check-valves are additionally provided with pipeline between concentrated water collecting box 30.
In a preferred embodiment, reverse osmosis unit also includes the first purified water discharge pipe and the second purified water
Discharge pipe, the first purified water discharge pipe and two section 13 of one section 12 of reverse osmosis unit one-level and reverse osmosis unit one-level are homogeneous
Even；Second purified water discharge pipe is connected with one section 22 of reverse osmosis unit two level and reverse osmosis unit two-stage two-segment 23.It is preferred that
Ground, the 4th hand-operated valve and the 4th check-valves are provided with the first purified water discharge pipe.
In a preferred embodiment, reverse osmosis unit also includes concentrated water treatment box 40, concentrated water treatment box 40 with it is anti-
Permeability apparatus two-stage two-segment 23 is connected.It can be continued with after the strong brine of secondary concentration enters concentrated water treatment box 40, such as：
The backwashing water of the filters such as high efficiency particulate air filter, more medium filter, active carbon filter can be used as, can be removed as desulfurization
The flushing water of apparatus for ash, can be used as it is non-drink domestic water, such as flush the toilet, dry ash sprays with wet, coal yard, realize concentrated water
Comprehensive utilization, and then continue to increase the utilization rate of water, now counter-infiltration system water utilization rate can reach more than 97%.
In a preferred embodiment, reverse osmosis unit also includes the first concentrated water discharge branch road, the first concentrated water discharge
Branch road is connected on the pipeline where brine outlet；And the second concentrated water discharge branch road, the second concentrated water discharge branch road are connected to
On pipeline between concentrated water treatment box 40 and reverse osmosis unit two-stage two-segment 23.
The beneficial effects of the utility model are further illustrated by the following examples：
Comparative example 1：Now using a set of disposal ability as 1350m3Exemplified by/h large-scale desalting water treatment the system in chemical plant, this is
The technological process of system is as follows：
Unboiled water → raw water tank → raw water pump → high efficiency particulate air filter → plate type heat exchanger → self-cleaning filter → ultrafiltration apparatus
→ ultrafiltration water tank → ultrafiltration water pump → high-pressure pump → reverse osmosis unit → carbon dioxide cleaner → intermediate pool → middle water pump → one-level is mixed
Bed → two level mixed bed → sweet-water tank → desalination water pump → supplies demineralized water outside.
The system sets 6 sets of reverse osmosis units, and single flow of inlet water that covers is 300m3/ h, production water-carrying capacity are 225m3/ h, concentrated water flow
For 75m3/ h, if oepration at full load, total flow of inlet water is 1800m3/ h, total production water-carrying capacity are 1350m3/ h, total concentrated water
Flow is 450m3/ h, system rate are recovered as 75%, then have 25% (450m3/ h) concentrated water directly discharge, the utilization rate of water is too
It is low, and water is big, causes the serious waste of water resource, and the directly outer row of substantial amounts of concentrated water also results in the pollution of environment.
Embodiment 1：Reverse osmosis unit in comparative example 1 is replaced, is changed to counter-infiltration system as shown in Figure 1, is had
Body is as follows：
On the basis of 6 sets of counter-infiltrations, increase concentrated water recycling device, that is, increase a 1000m3Concentrated water case, 2
Cover concentrated water counter-infiltration, a 1000m3Dense water treatment cistern.Single set concentrated water feed water by reverse osmosis flow is 225m3/ h, production water-carrying capacity are
135m3/ h, concentrated water flow are 90m3/ h, if oepration at full load, total flow of inlet water is 450m3/ h, total production water-carrying capacity are
2703/ h, total concentrated water flow are 180m3/ h, system rate are recovered as 60%, then have 40%, that is, 180m3/ h concentrated waters enter
Dense water treatment cistern.Increase the total rate of recovery R=75%+25% × 60%=of the counter-infiltration system of concentrated water recycling device
90%, the rate of recovery of water brings up to 90% from traditional 75%, and the utilization rate of water greatly improves.Concentrated water after finally concentrating then is stored up
Dense water treatment cistern be present, the water of dense water treatment cistern can be used as the backwashing water of high efficiency particulate air filter, desulfurization in power plant for self-supply
The flushing water of ash handling equipment, it is non-to drink domestic water, such as flush the toilet, dry ash sprays with wet, coal yard, these water consumptions are at least
In 126m3/ more than h, namely last at least more than 7/10ths concentrated water are integrated into utilizing again, and other concentrated waters then can be used as it
With, or be discharged into sewage treatment plant and further handle.Increase the total water resource of the counter-infiltration system of concentrated water recycling device
Utilization rate can reach more than 97%, and utilization rate greatly improves, and be arranged relative to concentrated water is directly outer, more environmentally-friendly.
Comparative example 2：Now using a set of disposal ability as 225m3Exemplified by/h steam power plant's desalting water treatment system, the system
Technological process is as follows：
Unboiled water → raw water tank → raw water pump → bis- medium filter → self-cleaning filter → ultrafiltration apparatus → filtered water tanks →
Clarified water pump → high-pressure pump → reverse osmosis unit → fresh-water tank → fresh water pump → cation bed → carbon dioxide cleaner → intermediate pool → middle water pump
→ anion bed → mixed bed → sweet-water tank → desalination water pump → supplies demineralized water outside.
The system sets 3 sets of counter-infiltrations, and single flow of inlet water that covers is 100m3/ h, production water-carrying capacity are 75m3/ h, concentrated water flow are
25m3/ h, if oepration at full load, total flow of inlet water is 300m3/ h, total production water-carrying capacity are 225m3/ h, total concentrated water flow
For 75m3/ h, system rate are recovered as 75%, then have 25% (75m3/ h) concentrated water directly discharge, the utilization rate of water is 75%, water
Utilization rate it is too low, cause the serious waste of water resource, the directly outer row of substantial amounts of concentrated water also results in the pollution of environment.
Embodiment 2：Reverse osmosis unit in comparative example 2 is replaced, is changed to counter-infiltration system as shown in Figure 1, is had
Body is as follows：
On the basis of 3 sets of counter-infiltrations, increase concentrated water recycling device, that is, increase a 300m3Concentrated water case, 1
Cover concentrated water counter-infiltration, a 300m3Dense water treatment cistern.Single set concentrated water feed water by reverse osmosis flow is 75m3/ h, production water-carrying capacity are
45m3/ h, concentrated water flow are 30m3/ h, system rate are recovered as 60%, then have 40%, that is, 30m3/ h concentrated waters enter at concentrated water
Manage water tank.Increase the total rate of recovery R=75%+25% × 60%=90% of the counter-infiltration system of concentrated water recycling device,
The rate of recovery of water brings up to 90% from traditional 75%, and the utilization rate of water greatly improves, and now the disposal ability of water can reach
300m3/h.Concentrated water after finally concentrating then is stored in dense water treatment cistern, and the water of dense water treatment cistern can be used as double media filtrations
The backwashing water of device, the flushing water of desulfurization ash handling equipment is non-to drink domestic water, such as flushes the toilet, dry ash sprays with wet, coal yard
Deng these water consumptions are up to 30m3/ more than h, namely last concentrated water all are integrated into utilizing again, increase concentrated water recycling
The water utilization rate that the counter-infiltration system of device is total can reach 100%, and utilization rate greatly improves, and direct relative to concentrated water
Outer row, it is more environmentally-friendly.
It follows that the utilization rate of reverse osmosis concentrated salt solution can be improved using reverse osmosis unit provided by the utility model.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model
Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.
Claims (10)
- A kind of 1. reverse osmosis unit, it is characterised in that including：First reverse osmosis units (10), desalination water inlet and brine outlet are provided with first reverse osmosis units (10)；Second reverse osmosis units (20), strong brine import are provided with second reverse osmosis units (20), the strong brine enters Mouth is connected with the brine outlet；AndConcentrated water collecting box (30), the concentrated water collecting box (30) are arranged between the strong brine import and the brine outlet Pipeline on.
- 2. reverse osmosis unit according to claim 1, it is characterised in that first reverse osmosis units (10) include series connection The first cartridge filter (11) of setting, reverse osmosis unit one-level one section (12) and reverse osmosis unit one-level two sections (13), institute State and the desalination water inlet is provided with the first cartridge filter (11), be provided with the reverse osmosis unit one-level two sections (13) The brine outlet.
- 3. reverse osmosis unit according to claim 2, it is characterised in that second reverse osmosis units (20) include series connection The second cartridge filter (21), reverse osmosis unit two level one section (22) and the reverse osmosis unit two-stage two-segment (23) set, institute State and the strong brine import is provided with the second cartridge filter (21).
- 4. the reverse osmosis unit according to Claims 2 or 3, it is characterised in that first reverse osmosis units (10) are also wrapped The first high-pressure pump (14) is included, first high-pressure pump (14) is arranged in series in first cartridge filter (11) and counter-infiltration dress Put between one section of one-level (12).
- 5. reverse osmosis unit according to claim 3, it is characterised in that second reverse osmosis units (20) also include the Two high-pressure pumps (24), second high-pressure pump (24) are arranged in series in second cartridge filter (21) and counter-infiltration dress Put between one section of two level (22).
- 6. reverse osmosis unit according to claim 5, it is characterised in that second reverse osmosis units (20) also include dense Water booster pump (25), the concentrated water booster pump (25) are arranged in series in the concentrated water collecting box (30) and the second security personnel filtering Between device (21).
- 7. reverse osmosis unit according to claim 1, it is characterised in that first reverse osmosis units (10) also include the One electric control valve (15), first electric control valve (15) are arranged on the pipeline where the brine outlet.
- 8. reverse osmosis unit according to claim 3, it is characterised in that the reverse osmosis unit also includes：First purified water discharge pipe, the first purified water discharge pipe and the reverse osmosis unit one-level one section (12) and institute Two sections of reverse osmosis unit one-level (13) is stated to be connected；AndSecond purified water discharge pipe, the second purified water discharge pipe and the reverse osmosis unit two level one section (22) and institute Reverse osmosis unit two-stage two-segment (23) is stated to be connected.
- 9. reverse osmosis unit according to claim 8, it is characterised in that the reverse osmosis unit also includes concentrated water treatment box (40), the concentrated water treatment box (40) is connected with the reverse osmosis unit two-stage two-segment (23).
- 10. reverse osmosis unit according to claim 9, it is characterised in that the reverse osmosis unit also includes：First concentrated water discharge branch road, the first concentrated water discharge branch road are connected on the pipeline where the brine outlet；With AndSecond concentrated water discharge branch road, the second concentrated water discharge branch road are connected to the concentrated water treatment box (40) and the counter-infiltration On pipeline between device two-stage two-segment (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720254189.6U CN206624679U (en) | 2017-03-15 | 2017-03-15 | Reverse osmosis unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720254189.6U CN206624679U (en) | 2017-03-15 | 2017-03-15 | Reverse osmosis unit |
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| Publication Number | Publication Date |
|---|---|
| CN206624679U true CN206624679U (en) | 2017-11-10 |
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ID=60209529
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720254189.6U Active CN206624679U (en) | 2017-03-15 | 2017-03-15 | Reverse osmosis unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115385417A (en) * | 2022-07-19 | 2022-11-25 | 江苏索普新材料科技有限公司 | Demineralized water production method and device |
-
2017
- 2017-03-15 CN CN201720254189.6U patent/CN206624679U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115385417A (en) * | 2022-07-19 | 2022-11-25 | 江苏索普新材料科技有限公司 | Demineralized water production method and device |
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