CN106186448A - A kind of double-stage reverse osmosis system - Google Patents
A kind of double-stage reverse osmosis system Download PDFInfo
- Publication number
- CN106186448A CN106186448A CN201610805702.6A CN201610805702A CN106186448A CN 106186448 A CN106186448 A CN 106186448A CN 201610805702 A CN201610805702 A CN 201610805702A CN 106186448 A CN106186448 A CN 106186448A
- Authority
- CN
- China
- Prior art keywords
- reverse osmosis
- air bag
- tank body
- stage reverse
- buffer
- 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.)
- Pending
Links
- 238000001223 reverse osmosis Methods 0.000 title claims abstract description 121
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 43
- 239000000126 substance Substances 0.000 claims description 13
- 230000003139 buffering effect Effects 0.000 claims description 10
- 239000003513 alkali Substances 0.000 claims description 6
- 239000002351 wastewater Substances 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 12
- 238000011033 desalting Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 239000002775 capsule Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000003487 anti-permeability effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/025—Reverse osmosis; Hyperfiltration
- B01D61/026—Reverse osmosis; Hyperfiltration comprising multiple reverse osmosis steps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/10—Accessories; Auxiliary operations
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/02—Non-contaminated water, e.g. for industrial water supply
Abstract
The embodiment of the invention discloses a kind of double-stage reverse osmosis system, relate to technical field of waste water processing, including: first-stage reverse osmosis device, second level reverse osmosis apparatus, the mouth of a river of producing of first-stage reverse osmosis device is connected by the first pipeline with the water inlet of second level reverse osmosis apparatus, also includes: buffer；Wherein, buffer includes: negative pressure canceller, tank body and air bag；Negative pressure canceller is fixed on tank body outside top；Air bag is positioned at tank body, and air bag connects with negative pressure canceller；Being provided with intake-outlet bottom air bag, intake-outlet is connected by the second pipeline and the first pipeline.The system that the present invention provides, stable, and have employed hermetic design, foreign body cannot be introduced into this system, thus avoids pollution.
Description
Technical field
The present invention relates to technical field of waste water processing, particularly to a kind of double-stage reverse osmosis system.
Background technology
Boiler feed water in the industries such as current Coal Chemical Industry, petrochemical industry, electric power generally uses reverse osmosis unit to enter waste water
Row desalting processing obtains.In order to obtain preferable water quality, two reverse osmosis units can be connected by water treatment procedure, make water
Carrying out twice reverse-osmosis treated, the system after this series connection is commonly referred to as double-stage reverse osmosis system, and wherein, previous reverse osmosis fills
Putting referred to as first-stage reverse osmosis device, later reverse osmosis unit is referred to as second level reverse osmosis apparatus, the product water of first-stage reverse osmosis device
Enter in second level reverse osmosis apparatus and carry out secondary desalting processing.
In double-stage reverse osmosis system, if two reverse osmosis units are directly connected to, system fluctuation of service can be caused, hold
Fragile, such as: during double-stage reverse osmosis system boot, first-stage reverse osmosis device is first opened, and now, second level reverse osmosis apparatus is the most not
Opening, the water that first-stage reverse osmosis device is produced cannot be by handled by second level reverse osmosis apparatus, and this may result in first-stage reverse osmosis dress
The product water lateral pressure put raises, if pressure is excessive, then can damage first-stage reverse osmosis device.Therefore slow in the middle of the most general employing
Waste preventer and booster pump connect two reverse osmosis units.In order to balance the air pressure in intermediate buffering water tank, intermediate buffering water tank
On be provided with passage.When double-stage reverse osmosis system boot, first-stage reverse osmosis device is first opened, and first-stage reverse osmosis device is produced
Current direction intermediate buffering water tank, the air in intermediate buffering water tank is discharged by passage；When double-stage reverse osmosis system closedown
Time, first-stage reverse osmosis device first closes, and the water in intermediate buffering water tank flows to second level reverse osmosis apparatus by booster pump, simultaneously outside
The air on boundary enters in water tank by passage, which ensure that the unused time of second level reverse osmosis apparatus.Owing to centre is delayed
Waste preventer is provided with passage, is not airtight, so foreign body also can be entered in intermediate buffering water tank by passage, thus
Produce and pollute.
Summary of the invention
The embodiment of the invention discloses a kind of double-stage reverse osmosis system, be used for solving existing double-stage reverse osmosis system airtight
Contaminated problem the tightest, easy.Technical scheme is as follows:
A kind of double-stage reverse osmosis system, including: first-stage reverse osmosis device, second level reverse osmosis apparatus, described first-stage reverse osmosis
The mouth of a river of producing of device is connected by the first pipeline with the water inlet of described second level reverse osmosis apparatus, also includes: buffer；
Wherein, described buffer includes: negative pressure canceller, tank body and air bag；
Described negative pressure canceller is fixed on described tank body outside top；
Described air bag is positioned at described tank body, and described air bag connects with described negative pressure canceller；
Being provided with intake-outlet bottom described air bag, described intake-outlet is connected with described first pipeline by the second pipeline
Logical.
In the preferred embodiment of the present invention, described air bag is outside forms closed chamber with described tank interior.
One in the present invention is more highly preferred in embodiment, the pressure≤0.2Mpa of described closed chamber.
One in the present invention is more highly preferred in embodiment, and described buffer also includes: Pressure gauge；
Described Pressure gauge is fixed on outside described tank body.
One in the present invention is more highly preferred in embodiment, and described Pressure gauge is electro connecting pressure gauge.
One in the present invention is more highly preferred in embodiment, and described tank body includes: upper tank body and lower tank；
Described upper tank body and described lower tank are connected by flange seal.
One in the present invention is more highly preferred in embodiment, and described buffer also includes: leg；
Described leg is used for fixing described tank body.
One in the present invention is more highly preferred in embodiment, also includes: chemicals dosing plant；
Described chemicals dosing plant is installed on described first pipeline；Described chemicals dosing plant is for adding alkali to described system.
One in the present invention is more highly preferred in embodiment, also includes: control device；
Described control device respectively with described first-stage reverse osmosis device, described second level reverse osmosis apparatus and described buffer phase
Even.
A kind of double-stage reverse osmosis system that the present invention provides, when start or second level reverse osmosis apparatus fault, one-level reverse osmosis
The water that device is produced thoroughly is flowed in the air bag of buffer；When shutdown or first-stage reverse osmosis plant failure, the air bag of buffer
In current direction second level reverse osmosis apparatus, and the negative pressure canceller in buffer can eliminate the negative pressure in air bag.The present invention
The system provided, stable, and have employed hermetic design, foreign body cannot be introduced into this system, thus avoids pollution.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to
Other accompanying drawing is obtained according to these accompanying drawings.
The schematic diagram of a kind of double-stage reverse osmosis system that Fig. 1 provides for the embodiment of the present invention；
The structural representation of a kind of buffer that Fig. 2 provides for the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
Embodiments provide a kind of double-stage reverse osmosis system, as it is shown in figure 1, include: first-stage reverse osmosis device 1,
Second level reverse osmosis apparatus 2, the water inlet producing the mouth of a river and second level reverse osmosis apparatus 2 of first-stage reverse osmosis device 1 is by the first pipeline
Being connected, this double-stage reverse osmosis system also includes: buffer 3；
Wherein, buffer 3 includes: negative pressure canceller 4, tank body 5 and air bag 6；
Negative pressure canceller 4 is fixed on tank body 5 outside top；
Air bag 6 is positioned at tank body 5, and air bag 6 connects with negative pressure canceller 4；
Being provided with intake-outlet bottom air bag 6, this intake-outlet is connected by the second pipeline and the first pipeline.
When above-mentioned double-stage reverse osmosis system boot, first opening first-stage reverse osmosis device 1, waste water is filled by first-stage reverse osmosis
The water inlet putting 1 enters in first-stage reverse osmosis device 1, carries out desalting processing, then at desalination in first-stage reverse osmosis device 1
The water that produces after reason is flowed out by the product mouth of a river of first-stage reverse osmosis device 1, and a part can flow to second level reverse osmosis apparatus 2, but main
The intake-outlet of buffer 3 to be passed through is flowed in the air bag 6 of buffer 3, and air bag 6 has elasticity, and therefore air bag 6 is along with water
Constantly inflow can be gradually increased, and the pressure in air bag 6 also can be gradually increased simultaneously.After second level reverse osmosis apparatus 2 is started shooting, one-level
The water that reverse osmosis unit 1 is produced is no longer flow towards buffer 3, and flows to second level reverse osmosis apparatus 2.In this start process, slow
Rush device 3 and serve the effect of buffering, it is ensured that the available machine time of second level reverse osmosis apparatus 2, prevent the product of first-stage reverse osmosis device 1
Water lateral pressure is excessive, damages first-stage reverse osmosis device 1.
When above-mentioned double-stage reverse osmosis system closedown, first close first-stage reverse osmosis device 1, say, that first-stage reverse osmosis
Device 1 no longer produces water, and now, second level reverse osmosis apparatus 2 is also not turned off.Water in air bag 6 is due to the height of second level reverse osmosis apparatus 2
The effect of press pump, is flowed into second level reverse osmosis apparatus 2 from the water inlet of second level reverse osmosis apparatus 2.In this shutdown process,
Pressure in air bag 6 promotes water and flows out in air bag 6, and air bag 6 constantly diminishes along with the outflow of water.Now, buffer 3 is same
Sample serves the effect of buffering, in the case of second level reverse osmosis apparatus 2 does not also shut down, makes current direction second level reverse osmosis apparatus 2,
Second level reverse osmosis apparatus 2 is made to can continue to run well, it is ensured that the unused time of second level reverse osmosis apparatus 2.Art technology
Personnel are it is understood that first-stage reverse osmosis device 1 and second level reverse osmosis apparatus 2 in the embodiment of the present invention each mean and include
The reverse osmosis unit of high-pressure pump.
In running, when second level reverse osmosis apparatus 2 breaks down, the water that first-stage reverse osmosis device 1 is produced is main
It is flowed in the air bag 6 of buffer 3 by the intake-outlet of buffer 3, makes the first-stage reverse osmosis device 1 can within a certain period of time
Continue to run well.When first-stage reverse osmosis device 1 breaks down, the water inlet by second level reverse osmosis apparatus 2 of the water in air bag 6
Mouth is flowed in second level reverse osmosis apparatus 2, makes second level reverse osmosis apparatus 2 can continue to run well within a certain period of time.Work as gas
When pressure in capsule 6 is negative pressure, start negative pressure canceller 4, eliminate the negative pressure in air bag 6.In order to protect system and prevent different
Thing enters, and when negative pressure canceller 4 starts, stops second level reverse osmosis apparatus 2.It should be noted that negative pressure canceller 4 can be adopted
With negative pressure canceller commonly used in the art, the present invention is not specifically described at this.
Time properly functioning, waste water enters in first-stage reverse osmosis device 1 by the water inlet of first-stage reverse osmosis device 1,
Carrying out desalting processing in first-stage reverse osmosis device 1, then the water that produces after desalting processing passes through the product mouth of a river of first-stage reverse osmosis device 1
Flow out, be flowed in second level reverse osmosis apparatus 2 by the water inlet of second level reverse osmosis apparatus 2 and carry out two grades of desalting processing.
As seen from the above, buffer 3 has not only acted as the effect of buffering in the entire system, also acts storage energy
Effect.Owing to buffer 3 keeps stable pressure, water that therefore first-stage reverse osmosis device 1 is produced is with pressure flow directly into two grades anti-
Permeability apparatus 2.So the double-stage reverse osmosis system using the embodiment of the present invention to provide, it is possible not only to prevent foreign body from entering, it is to avoid
Contaminated system, it is also possible to save the consumption of the energy.
Above-mentioned double-stage reverse osmosis system in the specific implementation, can be internally formed with tank body 5 as in figure 2 it is shown, air bag 6 is outside
Closed chamber 7.In system operation, the pressure of closed chamber 7 is identical with the pressure in air bag 6 all the time.Now, buffer 3 is also
May include that Pressure gauge 8；Pressure gauge 8 is fixed on outside tank body 5.What Pressure gauge 8 was measured is the pressure of closed chamber 7, due to airtight
The pressure in chamber 7 is identical with the pressure in air bag 6, so the pressure that records of Pressure gauge 8 is also the pressure in air bag 6 simultaneously.Actual
In application, the pressure≤0.2MPa of closed chamber 7.In order to preferably protect system, the first force value and second can be set respectively
Force value, when the pressure that Pressure gauge 8 records is less than the first force value, stops second level reverse osmosis apparatus 2；When Pressure gauge 8 records
Pressure higher than the second force value time, stop first-stage reverse osmosis device 1.The first described force value and the second force value can roots
Being determined by those skilled in the art the actual treatment situation of waste water according to system, the present invention is not defined at this.Additionally, in order to
Convenient control, Pressure gauge 8 can use electro connecting pressure gauge.
Above-mentioned double-stage reverse osmosis system in the specific implementation, is installed for convenience and safeguards, tank body 5 can as in figure 2 it is shown,
Including: upper tank body 9 and lower tank 10, upper tank body 9 and lower tank 10 can be connected by flange seal, so that air bag 6 is outside
It is internally formed closed chamber 7 with tank body 5.Additionally, in order to fix tank body 5, buffer 3 can also include: leg 11.Need explanation
It is, the number of leg 11 and concrete shape that those skilled in the art can select according to practical situation, and the present invention does not enters at this
Row limits.
In order to optimize the water quality of water outlet, said system can also include: chemicals dosing plant.Chemicals dosing plant is for said system
Add alkali.Carbon dioxide in alkali and water reacts, and generates carbanion or bicarbonate ion, so follow-up two
Level reverse-osmosis treated can remove carbanion or bicarbonate ion, thus cause gas concentration lwevel in water outlet to reduce,
Go out electrical conductivity of water to decline.Wherein, alkali can be sodium hydroxide, potassium hydroxide etc., is specially which kind of alkali, and the present invention does not enters at this
Row limits.Chemicals dosing plant is arranged on the first pipeline；In actual application, chemicals dosing plant may be mounted at the first pipeline and the second pipe
Road is connected any side of position.It should be noted that above-mentioned chemicals dosing plant can use chemicals dosing plant commonly used in the art,
The present invention is not specifically described at this.
Being controlled whole processing procedure for convenience, said system can also include: controls device；Control device to divide
It is not connected with first-stage reverse osmosis device 1, second level reverse osmosis apparatus 2 and buffer 3.By controlling the process control of device, it is possible to
Make whole processing procedure automaticity higher, it is possible to make staff be liberated further, whole place can also be made simultaneously
Reason process is more standardized, thus ensures more thorough to the desalting processing of waste water.
It will be appreciated by persons skilled in the art that the first-stage reverse osmosis device 1 in the embodiment of the present invention and two grades of reverse osmosis
Device 2 all can use reverse osmosis unit commonly used in the art thoroughly, and the present invention is not specifically described at this.
As seen from the above-described embodiment, a kind of double-stage reverse osmosis system that the present invention provides, at start or two-pass reverse osmosis dress
When putting fault, the water that first-stage reverse osmosis device is produced is flowed in the air bag of buffer；In shutdown or the event of first-stage reverse osmosis device
During barrier, the current direction second level reverse osmosis apparatus in the air bag of buffer, and the negative pressure canceller in buffer can eliminate gas
Negative pressure in capsule.The system that the present invention provides, stable, and have employed hermetic design, foreign body cannot be introduced into this system, from
And avoid pollution.
It should be noted that in this article, the relational terms of such as first and second or the like is used merely to a reality
Body or operation separate with another entity or operating space, and deposit between not necessarily requiring or imply these entities or operating
Relation or order in any this reality.And, term " includes ", " comprising " or its any other variant are intended to
Comprising of nonexcludability, so that include that the process of a series of key element, method, article or equipment not only include that those are wanted
Element, but also include other key elements being not expressly set out, or also include for this process, method, article or equipment
Intrinsic key element.In the case of there is no more restriction, statement " including ... " key element limited, it is not excluded that
Including process, method, article or the equipment of described key element there is also other identical element.
Each embodiment in this specification all uses relevant mode to describe, identical similar portion between each embodiment
Dividing and see mutually, what each embodiment stressed is the difference with other embodiments.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit protection scope of the present invention.All
Any modification, equivalent substitution and improvement etc. made within the spirit and principles in the present invention, are all contained in protection scope of the present invention
In.
Claims (9)
1. a double-stage reverse osmosis system, including: first-stage reverse osmosis device, second level reverse osmosis apparatus, described first-stage reverse osmosis fills
The mouth of a river of producing put is connected by the first pipeline with the water inlet of described second level reverse osmosis apparatus, it is characterised in that also include: buffering
Device；
Wherein, described buffer includes: negative pressure canceller, tank body and air bag；
Described negative pressure canceller is fixed on described tank body outside top；
Described air bag is positioned at described tank body, and described air bag connects with described negative pressure canceller；
Being provided with intake-outlet bottom described air bag, described intake-outlet is connected with described first pipeline by the second pipeline.
2. the system as claimed in claim 1, it is characterised in that described air bag is outside forms closed chamber with described tank interior.
3. system as claimed in claim 2, it is characterised in that the pressure≤0.2Mpa of described closed chamber.
4. system as claimed in claim 2, it is characterised in that described buffer also includes: Pressure gauge；
Described Pressure gauge is fixed on outside described tank body.
5. system as claimed in claim 4, it is characterised in that described Pressure gauge is electro connecting pressure gauge.
6. the system as claimed in claim 1, it is characterised in that described tank body includes: upper tank body and lower tank；
Described upper tank body and described lower tank are connected by flange seal.
7. the system as claimed in claim 1, it is characterised in that described buffer also includes: leg；
Described leg is used for fixing described tank body.
8. the system as claimed in claim 1, it is characterised in that also include: chemicals dosing plant；
Described chemicals dosing plant is installed on described first pipeline；Described chemicals dosing plant is for adding alkali to described system.
9. the system as according to any one of claim 1 to 8, it is characterised in that also include: control device；
Described control device is connected with described first-stage reverse osmosis device, described second level reverse osmosis apparatus and described buffer respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610805702.6A CN106186448A (en) | 2016-09-06 | 2016-09-06 | A kind of double-stage reverse osmosis system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610805702.6A CN106186448A (en) | 2016-09-06 | 2016-09-06 | A kind of double-stage reverse osmosis system |
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| Publication Number | Publication Date |
|---|---|
| CN106186448A true CN106186448A (en) | 2016-12-07 |
Family
ID=58067941
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610805702.6A Pending CN106186448A (en) | 2016-09-06 | 2016-09-06 | A kind of double-stage reverse osmosis system |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104496060A (en) * | 2015-01-09 | 2015-04-08 | 刘华军 | Seawater desalination and comprehensive utilization process and system |
| CN204875937U (en) * | 2015-04-08 | 2015-12-16 | 长沙奔宇机电科技有限公司 | Pot -type pressure -superposed water supply device's gas - water separation stationary flow compensation jar |
| CN205275368U (en) * | 2015-12-30 | 2016-06-01 | 郑州恒博科技股份有限公司 | Pure water processing system for NOX falls in short flow single cycle combustion engine |
| CN105756133A (en) * | 2016-04-22 | 2016-07-13 | 无锡康宇水处理设备有限公司 | Mute multi-connected pipe network pressure-superposed water supply device and working method thereof |
| CN206051735U (en) * | 2016-09-06 | 2017-03-29 | 博天环境集团股份有限公司 | A kind of double-stage reverse osmosis system |
-
2016
- 2016-09-06 CN CN201610805702.6A patent/CN106186448A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104496060A (en) * | 2015-01-09 | 2015-04-08 | 刘华军 | Seawater desalination and comprehensive utilization process and system |
| CN204875937U (en) * | 2015-04-08 | 2015-12-16 | 长沙奔宇机电科技有限公司 | Pot -type pressure -superposed water supply device's gas - water separation stationary flow compensation jar |
| CN205275368U (en) * | 2015-12-30 | 2016-06-01 | 郑州恒博科技股份有限公司 | Pure water processing system for NOX falls in short flow single cycle combustion engine |
| CN105756133A (en) * | 2016-04-22 | 2016-07-13 | 无锡康宇水处理设备有限公司 | Mute multi-connected pipe network pressure-superposed water supply device and working method thereof |
| CN206051735U (en) * | 2016-09-06 | 2017-03-29 | 博天环境集团股份有限公司 | A kind of double-stage reverse osmosis system |
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Application publication date: 20161207 |
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