CN109293034A - A kind of processing system and processing method of nickel-containing waste water - Google Patents
A kind of processing system and processing method of nickel-containing waste water Download PDFInfo
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- CN109293034A CN109293034A CN201811445527.XA CN201811445527A CN109293034A CN 109293034 A CN109293034 A CN 109293034A CN 201811445527 A CN201811445527 A CN 201811445527A CN 109293034 A CN109293034 A CN 109293034A
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- storage tank
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- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/005—Processes using a programmable logic controller [PLC]
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/06—Pressure conditions
- C02F2301/066—Overpressure, high pressure
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
Abstract
The invention discloses a kind of processing systems of nickel-containing waste water, including storage device, filter device, processing unit and pipe-line system, the storage device includes raw water storage tank, produce water storage tank and concentrated water storage tank, the raw water storage tank, filter device and processing unit are linked in sequence, the production water out of the processing unit is connect with the production water storage tank, the concentrated water outlet of the processing unit is connect with the concentrated water storage tank, the filter device filtering accuracy is 5-10 μ, the processing unit is reverse osmosis treatment device, the pipe-line system is for providing the pipeline of liquid communication in nickel-containing waste water treatment process.The present invention uses reverse osmosis principle, and waste water is concentrated and is separated, and stable effluent quality and is not limited by wastewater treatment water, and easy to maintain；Occupied area is small, is not only suitable for newly-built be also applied in the construction of original place upgrading；Without adding chemicals in wastewater treatment process, environmental pollution is small, while the present invention is easy to automate.
Description
[technical field]
The present invention relates to the relevant technical fields of nickel-containing waste water processing, and in particular to a kind of processing system of nickel-containing waste water and
Processing method.
[background technique]
Existing nickel-containing waste water is usually that the method for using chemical precipitation is handled, and is also had at the method using resin adsorption
Manage nickel-containing waste water.Chemical precipitation be by adjusting and control the pH value of nickel-containing waste water, while adding coagulation and agglutinating matter etc.,
Nickel in nickel-containing waste water is precipitated, then after filters pressing is at nickel-containing sludge, hands to qualified processed in units.The method occupies
Site area is larger, and a large amount of chemicals need to additionally be added, treated waste water, and effluent quality is unstable, is difficult control and exists
0.1mg/l or less.It (is metal under normal circumstances to the absorption of the metal ion of certain valent state that resin adsorption, which is using resin,
Hydrogen ion exchange adsorption in ion and resin) effect, reducing the nickel ion in nickel-containing waste water will contain after resin adsorption is saturated
Nickel resin entrusts to qualified processing unit to be handled.Resin sorption processes treated waste water is by former nickel-containing waste water
Nickel content influence is bigger, when the nickel content in former nickel-containing waste water is relatively high, has both influenced whether the treatment effeciency of resin adsorption,
When serious, also result in treatment effect variation, i.e., waste water nickel content that treated be greater than 0.1mg/l, and resin adsorption cost compared with
Height is generally used for the smaller unit of nickel-containing waste water yield.It can be seen that either using chemical precipitation method or resin
The water quality stability out of absorption method, nickel-containing waste water is poor.Chemical precipitation method occupied ground area is big, and resin adsorption is usually used in containing
The smaller unit of nickel waste water amount.
[summary of the invention]
The present invention provides a kind of processing system of nickel-containing waste water and processing methods, using reverse osmosis principle to Nickel-bearing Waste
Water is handled, and can effectively avoid the unstable problem of above-mentioned two processing method water quality present in actual moving process,
And it is not limited by nickel-containing waste water processing water, and floor space is small.
In order to solve the above problem in the prior art, one of the objects of the present invention is to provide a kind of places of nickel-containing waste water
Reason system, main technical solution are as follows:
A kind of processing system of nickel-containing waste water, including storage device, filter device, processing unit and pipe-line system, it is described
Storage device includes raw water storage tank, produces water storage tank and concentrated water storage tank, and the raw water storage tank, filter device and processing unit sequence connect
It connects, the production water out of the processing unit is connect with the production water storage tank, concentrated water outlet and the concentrated water of the processing unit
Storage tank connection, the processing unit are reverse osmosis treatment device, and the pipe-line system is for providing in nickel-containing waste water treatment process
The pipeline of liquid communication.
Further, the processing system of the nickel-containing waste water further includes supercharging device, and the supercharging device is set to filtering dress
It sets between processing unit, for being pressurized to the reverse osmosis treatment device.
Further, the processing unit includes coagulation device, two stage treatment device and tertiary treatment device, described
Production water out and the concentrated water outlet of coagulation device enters with the tertiary treatment device and the two stage treatment device respectively
Production water out and the concentrated water outlet of mouth connection, the tertiary treatment device connect with the production water storage tank and the raw water storage tank respectively
It connects；Production water out and the concentrated water outlet of the two stage treatment device are connect with the raw water storage tank and concentrated water storage tank respectively.
Further, the processing system of the nickel-containing waste water further includes intermediate storage tank, and the processing unit includes at level-one
Device, two stage treatment device and tertiary treatment device are managed, the intermediate storage tank is for storing nickel-containing waste water through the coagulation
Production water after device, the production water in the intermediate storage tank enter back into tertiary treatment device and are handled.
Further, the coagulation device, two stage treatment device and tertiary treatment device be respectively equipped with level-one RO film,
Second level RO film and three-level RO film, wherein the level-one RO film is pollution-resistant membrane, and second level RO film is sea water desalination membrane, the three-level
RO film is routine RO film.
Further, the filter device is filter pump, and the filter device filtering accuracy is 5-10 μ.
Further, the processing system of the nickel-containing waste water further includes PLCS control system.
Further, the processing system of the nickel-containing waste water further includes cleaning device, and the cleaning device includes liquid medicine storage
Tank, the liquid medicine storage tank are connect with processing unit.
The second object of the present invention is to provide a kind of processing method of nickel-containing waste water, which uses described above
The processing system of nickel-containing waste water handled.
Further, the nickel-containing waste water processing method the following steps are included:
1. wastewater collection: by nickel-containing waste water centralized collection into raw water storage tank；
2. wastewater treatment: the nickel-containing waste water in raw water storage tank is entered processing unit, warp after filter device primary filtration
After processing unit carries out reverse osmosis treatment, produces water and enter in production water storage tank, concentrated water enters in concentrated water storage tank.
Compared to the prior art, the beneficial effects of the present invention are:
1. using reverse osmosis principle, nickel-containing waste water is concentrated and is separated, stable effluent quality and not by Nickel-bearing Waste
The limitation of water process water, and it is easy to maintain；
2. present treatment installation area is small, it is not only suitable for project management, the upgrading in original place is also applied for and changes
Make construction；
3. without adding chemicals in the processing system operational process of nickel-containing waste water provided by the present invention, to environment dirt
It contaminates small；
4. the processing system of nickel-containing waste water provided by the present invention is easy to automate.
[Detailed description of the invention]
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the concrete structure schematic diagram of embodiment 1；
Fig. 3 is the concrete structure schematic diagram of embodiment 2
Wherein, 1, storage device；11, raw water storage tank；12, water storage tank is produced；13, concentrated water storage tank；14, intermediate storage tank；2, locate
Manage device；21/210, coagulation device；22/220, two stage treatment device；23/230, tertiary treatment device；3, filtering dress
It sets；31, the first filter device；32, the second filter device；33, third filter device；4, supercharging device；41/410, the first pressurization
Device；42/420, the second supercharging device；43/430, third supercharging device.
[specific embodiment]
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.
Embodiment 1
As shown in Figure 1, a kind of processing system of nickel-containing waste water, including storage device 1, filter device 3,2 and of processing unit
Pipe-line system (does not identify) in figure, and the storage device 1 includes raw water storage tank 11, produces water storage tank 12 and concentrated water storage tank 13, described
Raw water storage tank 11, filter device 3 and processing unit 2 are linked in sequence, the production water out of the processing unit 2 and the production water storage tank
The concentrated water outlet of 12 connections, the processing unit 2 is connect with the concentrated water storage tank 13, and the processing unit 2 is reverse osmosis treatment
Device, the pipe-line system is for providing the pipeline of liquid communication in nickel-containing waste water treatment process.
Specific structure can be with are as follows: tank arrangement 1 further includes intermediate storage tank 14 and supercharging device, and processing unit 2 includes level-one
Processing unit 21, two stage treatment device 22 and tertiary treatment device 23, coagulation device 21, two stage treatment device 22 and three-level
Processing unit 23 is respectively equipped with level-one RO film, second level RO film and three-level RO film, wherein level-one RO film is pollution-resistant membrane, salt rejection rate
Up to 99%；Second level RO film is sea water desalination membrane, and salt rejection rate is up to 99.5%；Three-level RO film is conventional reverse osmosis, such as low pressure
High desalination reverse osmosis membrane, the big flux RO membrane of ESPA series ultralow pressure, the industrial bitter permeable membrane of Tao Shi etc., salt rejection rate can
Up to 99%；Filter device 3 includes that the first filter device 31, the second filter device 32 and third filter device 33, filter device 3 are
Filter pump, the filtering accuracy of filter device 3 are 5-10 μ；Supercharging device includes the first supercharging device 41,42 and of the second supercharging device
Third supercharging device 43, supercharging device are vertical long booster pump.
Further, specific connection structure are as follows: as shown in Fig. 2, raw water storage tank 11, the first filter device 31, first increase
Pressure device 41 and coagulation device 21 are sequentially connected by pipeline, the concentrated water outlet of coagulation system 21 and production water out point
It is not connect with concentrated water storage tank 13 and intermediate storage tank 14, i.e., the nickel-containing waste water in raw water storage tank 11 is through the preliminary mistake of the first filter device 31
After filter, handled into coagulation device 21, through coagulation device 21 treated produce water enter intermediate storage tank 14, it is dense
Water enters concentrated water storage tank 13；Intermediate storage tank 14, three-level filter device 33, three-level supercharging device 43 and tertiary treatment device 23 pass through
Pipeline is sequentially connected, and the concentrated water outlet of tertiary treatment device 23 and production water out connect with raw water storage tank 11 and production water storage tank 12 respectively
It connects, i.e., the production water for entering intermediate storage tank 14 after the processing of coagulation device 21 enters at three-level after three-level filter device 33 again
Reason device 23 is handled, and after the processing of tertiary treatment device 23, is produced water and is entered production water storage tank 12, concentrated water returns to raw water storage tank 11；
And enter the concentrated water of concentrated water storage tank 13 after the processing of coagulation device 21, then enter two stage treatment after two-stage filter 32
Device 22 is handled, and is produced water and is entered raw water storage tank 11, concentrated water returns to concentrated water storage tank 13.The process of entire nickel-containing waste water processing
In, filter device 3 be the first filter device 31, the second filter device 32 and third filter device 33 main function be into
The liquid for entering coagulation device 21, two stage treatment device 22 and tertiary treatment device 23 carries out primary filtration, filters out big
The normal speed for not influencing waste liquid flowing while grain substance guarantees that waste liquid enters processing unit, pressurization dress by original speed
It sets 4 i.e. the first supercharging device 41, the second supercharging device 42 and third supercharging device 43 to be mainly used for being pressurized to processing unit 2, make
The reverse osmosis treatment of processing unit 2 is more smooth.
The present embodiment additionally provides a kind of processing method of nickel-containing waste water, the processing method using above-mentioned processing unit into
The processing of row nickel-containing waste water.For the specific structure of the present embodiment, processing step is as follows: the 1. Nickel-bearing Waste in raw water storage tank 11
Water enters coagulation device 11 after 31 primary filtration of the first filter device, produces water after the processing of coagulation device 11 and enters
Intermediate storage tank 14, concentrated water enter concentrated water storage tank 13.
2. the production water in intermediate storage tank 14 enters tertiary treatment device 23 after third filter device 33, filled through tertiary treatment
Set produce after 33 processing water enter produce water storage tank 12, concentrated water enters concentrated water storage tank；1. the middle concentrated water for entering concentrated water storage tank 13 passes through step
Enter two stage treatment device 22 after second filter device, 32 primary filtration, produces water after the processing of two stage treatment device 22 and enter raw water
Storage tank 11, concentrated water enter concentrated water storage tank 12.
Nickel-containing waste water after above-mentioned processing system and processing method are handled, into produce water storage tank 12 production water through detecting
(detection method is according to " GB 11912-1989 water quality nickel-silicon nitride atomic absorption spectrophotometry " or " 32 kinds of elements of water quality
Measurement inductively coupled plasma emission spectrography HJ776-2015 " standard detected), nickel content less than 0.1 ㎎/L,
According to the regulation of " discharge standard for electroplating pollutants " (GB21900-2008), meet discharge standard, it can direct emission；Into concentrated water
The concentrated water of storage tank 13 is constantly detected, and when conductivity is more than 22000 μ s/cm, nickel content is up to 450- in concentrated water storage tank
Concentrated water can be shifted outside committee handle to qualified unit collection at this time by 550mg/L.
As one of preferred embodiment, respectively in raw water storage tank 11, production water storage tank 12, concentrated water storage tank 13 and intermediate storage
Conductivity detecting head is installed in tank 14, the detection data in each storage tank is transmitted to by conductivity meter by communication line, it can be real
When monitor conductivity in each storage tank.Conductivity meter is mainly used for monitoring processing system whether normal operation, when production water storage tank
It when conductivity in 12 is more than 200us/cm, can illustrate that processing system goes wrong, need to analyze and search reason and solve.
Further, above-mentioned processing system may also include PLCS control system, for realizing the automation of processing system.
It further, can also include cleaning device, cleaning device includes liquid medicine storage tank, and liquid medicine storage tank is for configuring cleaning
Liquid medicine, liquid medicine storage tank, filter device 3 and processing unit 2 are sequentially connected, and after processing unit is cleaned, concentrated water and production water are equal
It returns in liquid medicine storage tank, is recycled.With regard to the specific structure of the present embodiment, the first filter device 31,41 and of the first supercharging device
Coagulation device 21, the second filter device 32, the second supercharging device 42 and two stage treatment device 22 and third filter device
33, after third supercharging device 43 and tertiary treatment device 23 are connected respectively, liquid medicine storage tank, coagulation device 21, two are reconnected
The concentrated water and production water out of grade processing unit 22 and tertiary treatment device 23 are connect with liquid medicine storage tank, i.e. medicine in liquid medicine storage tank
Water enters coagulation device 21, two after the first filter device 31, the second filter device 32 and third filter device 33 respectively
Grade processing unit 22 and 23 device of tertiary treatment carry out medicine to processing unit and wash or clean, and the liquid after cleaning returns to liquid medicine storage tank
In.
Embodiment 2
As shown in figure 3, the difference of the present embodiment and above-described embodiment is, raw water storage tank 110, filter device 3, first increase
Pressure device 410 and coagulation device 210 are sequentially connected, the outlet of the production water out and concentrated water of coagulation device 210 respectively with
Tertiary treatment device 230 and two stage treatment device 220 connect, and the production water out and concentrated water of tertiary treatment device 230 export difference
Connect with water storage tank 120 and raw water storage tank 110 is produced, the production water out and concentrated water of two stage treatment device 220 export respectively with raw water
Storage tank 110 and concentrated water storage tank 130 connect.The sewage disposal process of the present embodiment are as follows: the nickel-containing waste water in raw water storage tank 110 passes through
Filter 3 primary filtration of device after enter coagulation device 210, through coagulation device 210 treated produce water enter at three-level
Reason device 230, concentrated water enter two stage treatment device 220；Into tertiary treatment device 230 production water after processing, produce water enter
Water storage tank 120 is produced, concentrated water returns to raw water storage tank 110；Into two stage treatment device 220 concentrated water after processing, produce water return to original
Water storage tank 110, concentrated water enter concentrated water storage tank 130.
Through the present embodiment system circulation processing after, produce water storage tank 120 in production water through detecting, nickel content less than 0.1 ㎎/
L, can direct emission；Concentrated water concentration in concentrated water storage tank 130 is higher and higher, and when reaching certain standard, (nickel content reaches in such as concentrated water
450-550 ㎎/L, conductivity are more than 22000 μ s/cm) when, it is handed over to qualified unit and is handled.
It is controlled likewise, the present embodiment can increase PLCS control system, to realize automatic management；
Processing unit is cleaned likewise, the present embodiment can also install cleaning device.
The above content is combine specific optimal technical scheme further detailed description of the invention, and it cannot be said that
Specific implementation of the invention is only limited to these instructions.For the professional technician of the technical field of the invention,
Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to of the invention
Protection scope.
Claims (10)
1. a kind of processing system of nickel-containing waste water, including storage device, filter device, processing unit and pipe-line system, feature
It is, the storage device includes raw water storage tank, produces water storage tank and concentrated water storage tank, the raw water storage tank, filter device and processing
Device connection, the production water out of the processing unit are connect with the production water storage tank, the concentrated water outlet of the processing unit and institute
The connection of concentrated water storage tank is stated, the processing unit is reverse osmosis treatment device, and the pipe-line system is for providing nickel-containing waste water processing
The pipeline of liquid communication in the process.
2. the processing system of nickel-containing waste water according to claim 1, which is characterized in that the processing system of the nickel-containing waste water
It further include supercharging device, the supercharging device is set between filter device and processing unit, for filling to the reverse osmosis treatment
Set pressurization.
3. the processing system of nickel-containing waste water according to claim 1, which is characterized in that the processing unit includes at level-one
Manage device, two stage treatment device and tertiary treatment device, production water out and the concentrated water outlet of the coagulation device respectively with
The tertiary treatment device is connected with the entrance of the two stage treatment device, the production water out and concentrated water of the tertiary treatment device
Outlet is connect with the production water storage tank and the raw water storage tank respectively；The production water out and concentrated water of the two stage treatment device export
It is connect respectively with the raw water storage tank and concentrated water storage tank.
4. the processing system of nickel-containing waste water according to claim 1, which is characterized in that the processing system of the nickel-containing waste water
Further include intermediate storage tank, the processing unit includes coagulation device, two stage treatment device and tertiary treatment device, it is described in
Between the entrance and exit of storage tank connect respectively with the entrance of the production water out of the coagulation device and tertiary treatment device, institute
The production water out and concentrated water outlet for stating tertiary treatment device are connect with the entrance of the production water storage tank and concentrated water storage tank respectively；It is described
The outlet of concentrated water storage tank is connect with the entrance of the two stage treatment device, and the production water out and concentrated water of the two stage treatment device go out
Mouth is connect with the entrance of the raw water storage tank and the concentrated water storage tank respectively.
5. the processing system of nickel-containing waste water according to claim 3 or 4, which is characterized in that the coagulation device, two
Grade processing unit and tertiary treatment device are respectively equipped with level-one RO film, second level RO film and three-level RO film, wherein the level-one RO film
For pollution-resistant membrane, second level RO film is sea water desalination membrane, and the three-level RO film is routine RO film.
6. the processing system of nickel-containing waste water according to claim 1, which is characterized in that the filter device is filter pump,
The filter device filtering accuracy is 5-10 μ.
7. the processing system of nickel-containing waste water according to claim 1, which is characterized in that the processing system of the nickel-containing waste water
It further include PLCS control system.
8. the processing system of nickel-containing waste water according to claim 1, which is characterized in that the processing system of the nickel-containing waste water
It further include cleaning device, the cleaning device includes liquid medicine storage tank, and the liquid medicine storage tank is connect with processing unit.
9. a kind of processing method of nickel-containing waste water, which is characterized in that use the described in any item nickel-containing waste waters of claim 1-8
Processing system is handled.
10. the processing method of nickel-containing waste water according to claim 9, it is characterised in that: the following steps are included:
1. wastewater collection: by nickel-containing waste water centralized collection into raw water storage tank；
2. wastewater treatment: the nickel-containing waste water in raw water storage tank being entered processing unit after filter device filters, through processing unit
After middle reverse osmosis treatment, produces water and enter in production water storage tank, concentrated water enters in concentrated water storage tank.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| 方志刚等: "《海水淡化与舰船淡水保障》", 国防工业出版社, pages: 111 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110937656A (en) * | 2019-10-17 | 2020-03-31 | 珠海市江河海水处理科技股份有限公司 | Full-automatic electroplating nickel wastewater zero-discharge equipment and operation method thereof |
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