A kind of copper ammonia complexation electroplating waste water treatment system
Technical field
The utility model relates to technical field of sewage, and in particular to a kind of copper ammonia complexation electroplating waste water treatment system.
Background technique
Currently, the method for processing copper ammonia complexation electroplating wastewater mainly has: chemical precipitation method, oxidizing process, absorption method and ion
Exchange process etc..Every kind of method has its advantage and deficiency, all effective to all complex coppers without which kind of method, a kind of simple processing
Method also is generally difficult to reach stable treatment effect, and processing cost is high, and additive amount of medicament is big, water consumption is big.
For this purpose, there is an urgent need to develop the copper ammonia complexation electroplating wastewater processing systems that a kind of dosage is few out, treatment effect is stable
System.
Utility model content
To solve the above-mentioned problems, the utility model proposes a kind of copper ammonia complexation electroplating waste water treatment systems, it is intended to avoid
It increases dosage, reach stable treatment effect, while saving water resource cost, reducing equipment land occupation.Specific technical solution
It is as follows:
A kind of copper ammonia complexation electroplating waste water treatment system, what is set gradually and connect including the process flow according to waste water is pre-
Processing unit, ultrafiltration apparatus, first order reverse osmosis unit, Fenton oxidation device, tubular ultra-filtration membrane, second level reverse osmosis unit,
MVR evaporator, the concentrated water output end of the first order reverse osmosis unit are connected to the Fenton oxidation device, the first order
The fresh water output end of reverse osmosis unit is connected to reuse pool.
Wherein, MVR evaporator refers to the evaporator using mechanical steam recompression technology.
Preferably, the second level reverse osmosis unit is anti-pollution reverse osmosis membrane device, the anti-pollution reverse osmosis membrane dress
The concentrated water output end set is connected to the MVR evaporator.
Preferably, the fresh water output end of the anti-pollution reverse osmosis membrane device is connected to the reuse pool.
The technical process for carrying out copper ammonia complexation electroplating wastewater processing using above-mentioned waste water treatment system is as follows: waste water raw water warp
Pretreatment unit pretreatment is effectively gone with removing the substances such as large particle in waste water, a small amount of petroleum-type subsequently into ultrafiltration apparatus
Except polluters such as residual suspended matter, colloid, particulate matters, ensure that ultrafiltration produces water SDI (silt density index (SDI)) and reaches reverse osmosis system
System water inlet requires, and ultrafiltration produces water and carries out air-coal separating, fresh water to reuse pool, concentrated water after first order reverse osmosis unit is reverse osmosis
It is handled through Fenton oxidation device, effectively removes complex compound, carry out micro-filtration circulation concentration, a removal huge sum of money subsequently into tubular ultra-filtration membrane
The pollutants such as category, total phosphorus enter back into second level reverse osmosis unit and are concentrated again, fresh water to reuse pool, and concentrated water to MVR is steamed
Send out device crystallization treatment it.
As a preferred embodiment of the present invention, the pretreatment unit is coarse filter device.
Wherein, the coarse filter device is quartz filter.
The quartz filter is equipped with for carrying out positive punching to quartz sand as a further improvement of the utility model,
The two-way flushing device with back flush is washed, the two-way flushing device includes by pipeline and the quartz filter container
The two-way liquid delivery pump of inside connection, two liquid entrances of the two-way liquid delivery pump are separately connected the quartz sand
Top and bottom inside filter container.
Two-way liquid delivery pump in above-mentioned two-way flushing device, internal impeller is Bidirectional vane wheel, double by controlling
Positive and negative rotation to liquid delivery pump, may be implemented the positive conveying or reversed conveying of liquid, or make positive conveying and reversed
It conveys alternately, to achieve the purpose that bidirectional flushing, to improve the effect of flushing.
Above-mentioned two-way flushing device can according to need implementation periodic flushing, effectively to restore the performance of quartz sand, prevent
Obstruction.When carrying out bidirectional flushing, need to close inlet and liquid outlet and flushing water outlet, and be added by rinsing water inlet
Flushing water closes after filling it up with and rinses water inlet, opens two-way liquid delivery pump and carries out circulation flushing.
Realize that the positive of quartz sand is rinsed and back flush using two-way liquid delivery pump on above-mentioned quartz filter
Technical solution realizes the cleaning of quartz sand by the internal circulation of liquid inside quartz filter container, and effectively playing prevents stone
The purpose of sand blocking.Due to using circulation flushing, compared to traditional backwashing manner, water consumption greatly reduces.
Preferably, there are upper end cavitys, the quartz filter to hold for the upper end inside the quartz filter container
There are lower end cavitys for lower end inside device, and quartz sand, and the quartz are provided between the upper end cavity and lower end cavity
Sand passes through upper end web plate, lower end web plate and the upper end cavity, lower end cavity respectively and separates.
By the way that upper end cavity and lower end cavity are arranged inside quartz filter container, cooperate two-way liquid delivery pump
Liquid conveying movement, can make internal circulation of liquid more smooth, and can be further improved the flushing effect to quartz sand.
The beneficial effects of the utility model are:
First, a kind of copper ammonia complexation electroplating waste water treatment system of the utility model, the combination that membrane technology+MVR is evaporated
Technique avoids adding a large amount of medicaments, it is few to generate sludge quantity for handling copper ammonia complexation waste water.
Second, a kind of copper ammonia complexation electroplating waste water treatment system of the utility model, processed waste water water quality, which can be stablized, to be reached
Mark, and it can be back to production, water resource cost has been saved, there are good social and economic benefits.
Third, a kind of copper ammonia complexation electroplating waste water treatment system of the utility model, using a variety of film process group technologies,
Occupation area of equipment is small, saves a large amount of industrial land than traditional treatment process.
4th, a kind of copper ammonia complexation electroplating waste water treatment system of the utility model, using two-way on quartz filter
Liquid delivery pump realizes the positive technical solution rinsed with back flush of quartz sand, inside quartz filter container
Internal circulation of liquid realizes the cleaning of quartz sand, effectively plays the purpose for preventing quartz sand from blocking.Due to using circulation flushing, compare
Traditional backwashing manner, water consumption greatly reduce.
5th, a kind of copper ammonia complexation electroplating waste water treatment system of the utility model, by quartz filter container
Inside setting upper end cavity and lower end cavity cooperate the liquid of two-way liquid delivery pump to convey movement, can to follow in liquid
Ring is more smooth, and can be further improved the flushing effect to quartz sand.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of copper ammonia complexation electroplating waste water treatment system of the utility model;
Fig. 2 is the structural schematic diagram in Fig. 1 as the quartz filter of pretreatment unit.
In figure: 1, coarse filter device, 2, two-way flushing device, 3, pipeline, 4, two-way liquid delivery pump, 5, upper end cavity,
6, lower end cavity, 7, quartz sand, 8, upper end web plate, 9, lower end web plate, 10, liquid, 11, inlet, 12, liquid outlet, 13, flushing
Water inlet, 14, flushing water outlet.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is further described.Implement below
Example is only used for clearly illustrating the technical solution of the utility model, and cannot be used as a limitation the protection model of limitation the utility model
It encloses.
As Fig. 1 to 2 show a kind of embodiment of copper ammonia complexation electroplating waste water treatment system of the utility model, including press
Pretreatment unit, ultrafiltration apparatus, the first order reverse osmosis unit, Fenton oxidation for setting gradually and connecting according to the process flow of waste water
The concentrated water output end of device, tubular ultra-filtration membrane, second level reverse osmosis unit, MVR evaporator, the first order reverse osmosis unit connects
It is connected to the Fenton oxidation device, the fresh water output end of the first order reverse osmosis unit is connected to reuse pool.
Wherein, MVR evaporator refers to the evaporator using mechanical steam recompression technology.
Preferably, the second level reverse osmosis unit is anti-pollution reverse osmosis membrane device, the anti-pollution reverse osmosis membrane dress
The concentrated water output end set is connected to the MVR evaporator.
Preferably, the fresh water output end of the anti-pollution reverse osmosis membrane device is connected to the reuse pool.
The technical process for carrying out copper ammonia complexation electroplating wastewater processing using above-mentioned waste water treatment system is as follows: waste water raw water warp
Pretreatment unit pretreatment is effectively gone with removing the substances such as large particle in waste water, a small amount of petroleum-type subsequently into ultrafiltration apparatus
Except polluters such as residual suspended matter, colloid, particulate matters, ensure that ultrafiltration produces water SDI (silt density index (SDI)) and reaches reverse osmosis system
System water inlet requires, and ultrafiltration produces water and carries out air-coal separating, fresh water to reuse pool, concentrated water after first order reverse osmosis unit is reverse osmosis
It is handled through Fenton oxidation device, effectively removes complex compound, carry out micro-filtration circulation concentration, a removal huge sum of money subsequently into tubular ultra-filtration membrane
The pollutants such as category, total phosphorus enter back into second level reverse osmosis unit and are concentrated again, fresh water to reuse pool, and concentrated water to MVR is steamed
Send out device crystallization treatment it.
As the preferred embodiment of the present embodiment, the pretreatment unit is coarse filter device.
Wherein, the coarse filter device is quartz filter.
As shown in Fig. 2, as further improvement of this embodiment, the quartz filter be equipped with for quartz sand into
The positive two-way flushing device 2 rinsed with back flush of row, the two-way flushing device 2 include by pipeline 3 and the quartz
The two-way liquid delivery pump 4 being connected to inside sand filter container, two liquid entrances difference of the two-way liquid delivery pump 4
Connect the top and bottom inside the quartz filter container.
Two-way liquid delivery pump 4 in above-mentioned two-way flushing device 2, internal impeller are Bidirectional vane wheel, pass through control
The positive and negative rotation of two-way liquid delivery pump 4, may be implemented the positive conveying or reversed conveying of liquid, or make positive conveying and anti-
Alternately to conveying, to achieve the purpose that bidirectional flushing, to improve the effect of flushing.
Above-mentioned two-way flushing device 2 can according to need implementation periodic flushing, effectively to restore the performance of quartz sand, prevent
Obstruction.When carrying out bidirectional flushing, need to close inlet 11 and liquid outlet 12 and flushing water outlet 14, and enter by flushing water
Flushing waters are added in mouth 13, close after filling it up with and rinse water inlet 13, open two-way liquid delivery pump 4 and carry out circulation flushing.
Realize that the positive of quartz sand is rinsed and back flush using two-way liquid delivery pump 4 on above-mentioned quartz filter
Technical solution realizes the cleaning of quartz sand by the internal circulation of liquid inside quartz filter container, and effectively playing prevents stone
The purpose of sand blocking.Due to using circulation flushing, compared to traditional backwashing manner, water consumption greatly reduces.
Preferably, there are upper end cavitys 5, the quartz filter to hold for the upper end inside the quartz filter container
There are lower end cavitys 6 for lower end inside device, and quartz sand, and the stone are provided between the upper end cavity 5 and lower end cavity 6
Sand passes through upper end web plate 8, lower end web plate 9 and the upper end cavity 6, lower end cavity 7 respectively and separates.
By the way that upper end cavity 5 and lower end cavity 6 are arranged inside quartz filter container, cooperate two-way liquid delivery pump
4 liquid conveys movement, internal circulation of liquid can be made more smooth, and can be further improved the flushing effect to quartz sand.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvements and modifications can also be made, these change
It also should be regarded as the protection scope of the utility model into retouching.