CN206051735U - A kind of double-stage reverse osmosis system - Google Patents
A kind of double-stage reverse osmosis system Download PDFInfo
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- CN206051735U CN206051735U CN201621038799.4U CN201621038799U CN206051735U CN 206051735 U CN206051735 U CN 206051735U CN 201621038799 U CN201621038799 U CN 201621038799U CN 206051735 U CN206051735 U CN 206051735U
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- reverse osmosis
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Abstract
This utility model embodiment discloses a kind of double-stage reverse osmosis system, is related 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 are connected by the first pipeline with the water inlet of second level reverse osmosis apparatus, are also included：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 located in tank body, and air bag is connected with negative pressure canceller；Air bag bottom is provided with intake-outlet, and intake-outlet is connected with the first pipeline by the second pipeline.The system that this utility model is provided, it is stable, and hermetic design is employed, foreign body cannot be introduced into the system, so as to avoid pollution.
Description
Technical field
This utility model is related to technical field of waste water processing, more particularly to a kind of double-stage reverse osmosis system.
Background technology
Boiler feed water in the industry such as Coal Chemical Industry, petrochemical industry, electric power is generally entered to waste water using reverse osmosis unit at present
Row desalting processing is obtained.In order to obtain preferable water quality, two reverse osmosis units can be connected in water treatment procedure, be made water
Reverse-osmosis treated twice is carried out, the system after this series connection is commonly referred to as double-stage reverse osmosis system, wherein, previous reverse osmosiss dress
Referred to as first-stage reverse osmosis device is put, latter reverse osmosis unit is referred to as second level reverse osmosis apparatus, the product water of first-stage reverse osmosis device
Secondary desalting processing is carried out in second level reverse osmosis apparatus.
In double-stage reverse osmosis system, if two reverse osmosis units are directly connected to, system operation can be caused unstable, be held
It is fragile, for example：During double-stage reverse osmosis system boot, first-stage reverse osmosis device is first opened, and now, second level reverse osmosis apparatus are also not
Open, the water produced by first-stage reverse osmosis device cannot be handled by second level reverse osmosis apparatus, and this may result in first-stage reverse osmosis dress
The product water lateral pressure put is raised, if pressure is excessive, can damage first-stage reverse osmosis device.Therefore it is general at present using middle slow
Waste preventer and booster pump are connecting 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 by passage discharge；When double-stage reverse osmosis system closedown
When, first-stage reverse osmosis device is first closed, and the water in intermediate buffering water tank flows to second level reverse osmosis apparatus by booster pump, while outward
The air on boundary is entered in water tank by passage, which ensures that the unused time of second level reverse osmosis apparatus.Due to middle slow
Waste preventer is provided with passage, is not closed, so foreign body also can be entered in intermediate buffering water tank by passage, so as to
Produce pollution.
Utility model content
The purpose of this utility model embodiment is to provide a kind of double-stage reverse osmosis system, anti-for solving existing twin-stage
Closed not tight, the easy contaminated problem of osmosis system.Technical scheme is as follows：
A kind of double-stage reverse osmosis system, including：First-stage reverse osmosis device, second level reverse osmosis apparatus, the first-stage reverse osmosis
The mouth of a river of producing of device is connected by the first pipeline with the water inlet of the second level reverse osmosis apparatus, is also included：Buffer；
Wherein, the buffer includes：Negative pressure canceller, tank body and air bag；
The negative pressure canceller is fixed on the tank body outside top；
The air bag is located in the tank body, and the air bag is connected with the negative pressure canceller；
The air bag bottom is provided with intake-outlet, and the intake-outlet is connected with first pipeline by the second pipeline
It is logical.
In a kind of preferred implementation of the present utility model, outside the air bag, form closed with the tank interior
Chamber.
It is more highly preferred in embodiment in one kind of the present utility model, the pressure≤0.2Mpa of the closed chamber.
It is more highly preferred in embodiment in one kind of the present utility model, the buffer also includes：Pressure gauge；
The pressure gauge is fixed on the outside of the tank body.
It is more highly preferred in embodiment in one kind of the present utility model, the pressure gauge is electro connecting pressure gauge.
It is more highly preferred in embodiment in one kind of the present utility model, the tank body includes：Upper tank body and lower tank；
The upper tank body and the lower tank are connected by flange seal.
It is more highly preferred in embodiment in one kind of the present utility model, the buffer also includes：Leg；
The leg is used to fix the tank body.
It is more highly preferred in embodiment in one kind of the present utility model, also includes：Chemicals dosing plant；
The chemicals dosing plant is installed on first pipeline；The chemicals dosing plant is for adding alkali to the system.
It is more highly preferred in embodiment in one kind of the present utility model, also includes：Control device；
The control device respectively with the first-stage reverse osmosis device, the second level reverse osmosis apparatus and the buffer phase
Even.
A kind of double-stage reverse osmosis system that this utility model is provided, in start or second level reverse osmosis apparatus failure, one-level
The water produced by reverse osmosis unit is flowed in the air bag of buffer；In shutdown or first-stage reverse osmosis plant failure, buffer
Current direction second level reverse osmosis apparatus in air bag, and the negative pressure canceller in buffer can eliminate the negative pressure in air bag.This
The system that utility model is provided, it is stable, and hermetic design is employed, foreign body cannot be introduced into the system, so as to avoid
Pollution.
Description of the drawings
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or accompanying drawing to be used is briefly described needed for description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, in the premise for not paying creative work
Under, can be with according to these other accompanying drawings of accompanying drawings acquisition.
A kind of schematic diagram of double-stage reverse osmosis system that Fig. 1 is provided for this utility model embodiment；
A kind of structural representation of buffer that Fig. 2 is provided for this utility model embodiment.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only this utility model a part of embodiment, rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of this utility model protection.
This utility model embodiment provides a kind of double-stage reverse osmosis system, as shown in figure 1, including：First-stage reverse osmosis are filled
1, second level reverse osmosis apparatus 2 are put, the product mouth of a river of first-stage reverse osmosis device 1 and the water inlet of second level reverse osmosis apparatus 2 pass through first
Pipeline is connected, and the 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 5 outside top of tank body；
Air bag 6 is located in tank body 5, and air bag 6 is connected with negative pressure canceller 4；
6 bottom of air bag is provided with intake-outlet, and the intake-outlet is connected with the first pipeline by the second pipeline.
When above-mentioned double-stage reverse osmosis system boot, first-stage reverse osmosis device 1 is first opened, waste water is filled by first-stage reverse osmosis
Put 1 water inlet to enter in first-stage reverse osmosis device 1, desalting processing is carried out in first-stage reverse osmosis device 1, then at desalination
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 passed through by buffer 3 is flowed in the air bag 6 of buffer 3, and air bag 6 has elasticity, therefore air bag 6 is with water
Constantly flow into and gradually can increase, while the pressure in air bag 6 also gradually can increase.After second level reverse osmosis apparatus 2 are started shooting, one-level
The water produced by reverse osmosis unit 1 is no longer flow towards buffer 3, and flows to second level reverse osmosis apparatus 2.In this start process, delay
Rush the effect that device 3 serves 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-stage reverse osmosis device 1 is first closed, that is to say, that first-stage reverse osmosis
Device 1 no longer produces water, and now, second level reverse osmosis apparatus 2 are 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 in 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 from air bag 6, and air bag 6 constantly diminishes with the outflow of water.Now, buffer 3 is same
Sample serves the effect of buffering, in the case where second level reverse osmosis apparatus 2 also do not shut down, makes current direction second level reverse osmosis apparatus 2,
Second level reverse osmosis apparatus 2 are 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 this utility model embodiment each mean bag
Reverse osmosis unit containing high-pressure pump.
In running, when second level reverse osmosis apparatus 2 break down, the water produced by first-stage reverse osmosis device 1 is main
It is flowed in the air bag 6 of buffer 3 by the intake-outlet of buffer 3, enables first-stage reverse osmosis device 1 within a certain period of time
Continue to run well.When first-stage reverse osmosis device 1 breaks down, water inlet of the water in air bag 6 by second level reverse osmosis apparatus 2
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.For protection system and prevent different
Thing is entered, 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, this utility model here is not specifically described.
During normal operation, waste water is entered in first-stage reverse osmosis device 1 by the water inlet of first-stage reverse osmosis device 1,
Desalting processing is carried out in first-stage reverse osmosis device 1, then the product mouth of a river of the product water after desalting processing by first-stage reverse osmosis device 1
Flow out, being flowed in second level reverse osmosis apparatus 2 by the water inlet of second level reverse osmosis apparatus 2 carries 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.As buffer 3 keeps stable pressure, thus the water that produced of first-stage reverse osmosis device 1 it is with pressure flow directly into two grades it is anti-
Permeability apparatus 2.So the double-stage reverse osmosis system provided using this utility model embodiment, not only can prevent foreign body from entering,
Contaminated system is avoided, can be with the consumption of save energy.
Above-mentioned double-stage reverse osmosis system in the specific implementation, as shown in Fig. 2 can be internally formed with tank body 5 outside air bag 6
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 gone back
Can include：Pressure gauge 8；Pressure gauge 8 is fixed on the outside of tank body 5.What pressure gauge 8 was measured is the pressure of closed chamber 7, due to closed
The pressure in chamber 7 is identical with the pressure in air bag 6, so the pressure that pressure gauge 8 is measured is while be also the pressure in air bag 6.It is actual
Using in, the pressure≤0.2MPa of closed chamber 7.For more preferable protection system, first pressure value and second can be set respectively
Pressure value, when the pressure that pressure gauge 8 is measured is less than first pressure value, stops second level reverse osmosis apparatus 2；When pressure gauge 8 is measured
Pressure when being higher than second pressure value, stop first-stage reverse osmosis device 1.Described first pressure value and second pressure value can be with roots
The actual treatment situation of waste water is determined by those skilled in the art according to system, this utility model here is not defined.Additionally,
Control for convenience, pressure gauge 8 can adopt electro connecting pressure gauge.
Above-mentioned double-stage reverse osmosis system in the specific implementation, for convenience install and safeguard, tank body 5 can with as shown in Fig. 2
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 outside air bag 6
Closed chamber 7 is internally formed with tank body 5.Additionally, in order to fix tank body 5, buffer 3 can also include：Leg 11.Need explanation
It is that the number and concrete shape of leg 11, those skilled in the art can be selected according to practical situation, this utility model here
It is not defined.
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
Carbanion or bicarbonate ion can be removed in level reverse-osmosis treated, so as to cause gas concentration lwevel in water outlet to reduce,
Go out electrical conductivity of water decline.Wherein, alkali can be sodium hydroxide, potassium hydroxide etc., be specially which kind of alkali, this utility model here
It is not defined.Chemicals dosing plant is arranged on the first pipeline；In practical application, chemicals dosing plant may be mounted at the first pipeline and
Two pipelines are connected any side of position.It should be noted that above-mentioned chemicals dosing plant can adopt dosing commonly used in the art
Device, this utility model here are not specifically described.
For convenience whole processing procedure is controlled, said system can also include：Control device；Control device point
It is not connected with first-stage reverse osmosis device 1, second level reverse osmosis apparatus 2 and buffer 3.By the process control of control device, can
Make whole processing procedure automaticity higher, staff can be made further to be liberated, while whole place can also be made
Reason process is more standardized, more thorough so as to ensure the desalting processing to waste water.
It will be appreciated by persons skilled in the art that the first-stage reverse osmosis device 1 in this utility model embodiment and two grades
Reverse osmosis unit 2 can adopt reverse osmosis unit commonly used in the art, this utility model here not to be specifically described.
As seen from the above-described embodiment, a kind of double-stage reverse osmosis system that this utility model is provided, in start or two grades of reverse osmosis
Thoroughly during plant failure, the water produced by first-stage reverse osmosis device is flowed in the air bag of buffer；In shutdown or first-stage reverse osmosis dress
When putting failure, the current direction second level reverse osmosis apparatus in the air bag of buffer, and the negative pressure canceller in buffer can disappear
Except the negative pressure in air bag.The system that this utility model is provided, it is stable, and hermetic design is employed, foreign body cannot be introduced into
The system, so as to avoid pollution.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation are made a distinction with another entity or operation, and are not necessarily required or implied these entities or deposit between operating
In any this actual relation or order.And, term " including ", "comprising" or its any other variant are intended to
Nonexcludability is included, so that a series of process, method, article or equipment including key elements not only will including those
Element, but also including other key elements being not expressly set out, or also include for this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element for being limited by sentence "including a ...", it is not excluded that
Also there is other identical element in process, method, article or equipment including the key element.
Each embodiment in this specification is described by the way of correlation, identical similar portion between each embodiment
Divide mutually referring to what each embodiment was stressed is the difference with other embodiment.
Preferred embodiment of the present utility model is the foregoing is only, protection model of the present utility model is not intended to limit
Enclose.All any modification, equivalent substitution and improvements made within spirit of the present utility model and principle etc., are all contained in this reality
With in new protection domain.
Claims (9)
1. a kind of double-stage reverse osmosis system, including：First-stage reverse osmosis device, second level reverse osmosis apparatus, the first-stage reverse osmosis dress
The mouth of a river of producing put is connected by the first pipeline with the water inlet of the second level reverse osmosis apparatus, it is characterised in that also included：Buffering
Device；
Wherein, the buffer includes：Negative pressure canceller, tank body and air bag；
The negative pressure canceller is fixed on the tank body outside top；
The air bag is located in the tank body, and the air bag is connected with the negative pressure canceller；
The air bag bottom is provided with intake-outlet, and the intake-outlet is connected with first pipeline by the second pipeline.
2. the system as claimed in claim 1, it is characterised in that form closed chamber with the tank interior outside the air bag.
3. system as claimed in claim 2, it is characterised in that the pressure≤0.2Mpa of the closed chamber.
4. system as claimed in claim 2, it is characterised in that the buffer also includes：Pressure gauge；
The pressure gauge is fixed on the outside of the tank body.
5. system as claimed in claim 4, it is characterised in that the pressure gauge is electro connecting pressure gauge.
6. the system as claimed in claim 1, it is characterised in that the tank body includes：Upper tank body and lower tank；
The upper tank body and the lower tank are connected by flange seal.
7. the system as claimed in claim 1, it is characterised in that the buffer also includes：Leg；
The leg is used to fix the tank body.
8. the system as claimed in claim 1, it is characterised in that also include：Chemicals dosing plant；
The chemicals dosing plant is installed on first pipeline；The chemicals dosing plant is for adding alkali to the system.
9. the system as any one of claim 1 to 8, it is characterised in that also include：Control device；
The control device is connected with the first-stage reverse osmosis device, the second level reverse osmosis apparatus and the buffer respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621038799.4U CN206051735U (en) | 2016-09-06 | 2016-09-06 | A kind of double-stage reverse osmosis system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201621038799.4U CN206051735U (en) | 2016-09-06 | 2016-09-06 | A kind of double-stage reverse osmosis system |
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| CN206051735U true CN206051735U (en) | 2017-03-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106186448A (en) * | 2016-09-06 | 2016-12-07 | 博天环境集团股份有限公司 | A kind of double-stage reverse osmosis system |
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2016
- 2016-09-06 CN CN201621038799.4U patent/CN206051735U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106186448A (en) * | 2016-09-06 | 2016-12-07 | 博天环境集团股份有限公司 | A kind of double-stage reverse osmosis system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170824 Address after: 100082, 12A1206-08 building, Shougang complex, No. 60 North Main Street, Haidian District, Beijing, Xizhimen Co-patentee after: Bossin Environmental Engineering (Beijing) Co., Ltd. Patentee after: POTEN ENVIRONMENT GROUP CO., LTD. Address before: 100082 Beijing Xizhimen North Street, Shougang International Building, No. 60, 12A Patentee before: POTEN ENVIRONMENT GROUP CO., LTD. |
|
| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Room 12A1206-08, Shougang Complex Building, 60 Xizhimen North Street, Haidian District, Beijing, 100082 Co-patentee after: Poten Industrial Technology (Beijing) Co., Ltd Patentee after: POTEN ENVIRONMENT GROUP CO., LTD. Address before: Room 12A1206-08, Shougang Complex Building, 60 Xizhimen North Street, Haidian District, Beijing, 100082 Co-patentee before: Botian Environmental Engineering (Beijing) Co., Ltd. Patentee before: POTEN ENVIRONMENT GROUP CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Double-stage reverse osmosis system Effective date of registration: 20200511 Granted publication date: 20170329 Pledgee: Beijing urban construction and development branch of China Construction Bank Co., Ltd Pledgor: Poten Industrial Technology (Beijing) Co., Ltd|POTEN ENVIRONMENT GROUP Co.,Ltd. Registration number: Y2020990000453 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |