CN201770522U

CN201770522U - Electric flocculation equipment for treating mixed electroplating wastewater

Info

Publication number: CN201770522U
Application number: CN2010202611878U
Authority: CN
Inventors: 卓剑锋
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-07-16
Filing date: 2010-07-16
Publication date: 2011-03-23
Anticipated expiration: 2020-07-16

Abstract

The utility model relates to electric flocculation equipment for treating mixed electroplating wastewater, which comprises a casing and a reactor disposed in the casing. A water inlet is arranged at the bottom of a left side wall of the casing close to a front panel, a water outlet is disposed at the top of a right side plate of the casing close to the front panel, a plurality of electrode connecting plates are uniformly distributed in the reactor, three induction electrode plates are uniformly distributed between each two adjacent electrode connecting plates, two ends of each electrode connecting plate and two ends of each induction electrode plate are fixed on the front panel and a rear panel of the reactor through insulation electrode plate supports, wherein the electrode connecting plates and the left end of the middle induction electrode plate in each three induction electrode plates are fixedly connected with a left side plate of the reactor, and right ends of the top induction electrode plate and the bottom induction electrode plate of each three induction electrode plates are both fixedly connected with a right side plate of the reactor. The electric flocculation equipment has the advantages of being capable of simultaneously removing pollutants such as various heavy metals, organic matters, phosphorous and the like on the condition without heavy metal diversion.

Description

Handle the electric flocculation apparatus that mixes electroplating wastewater

Technical field

The utility model relates to the treatment unit that mixes electroplating wastewater, relates in particular to a kind of electric flocculation apparatus that mixes electroplating wastewater of handling.

Background technology

In recent years, the more employing electrochemical principle of domestic appearance is handled the technology of trade effluent, and electric flocculation technique is exactly wherein a kind of.The electric flocculation technique applied range for example can be used for fields such as chemical industry, plating, percolate, machinery, metallurgy, food and drink and carwash.At present, the processing of the heavy metal of electroplating wastewater mainly is after various heavy metals emission waste water are shunted alone, to carry out the processing of chemical method alone; And heavy metal wastewater thereby shunting can not be complete in actual production, and ubiquity the phenomenon of coexistences such as various heavy, organism, inner complex, because each heavy metal species chemical precipitation condition is not quite similar, so caused the chemical precipitation method water outlet can not be up to standard.Simultaneously traditional chemical precipitation method is not good for pollution substance removal effects such as the organism in the water body, phosphorus, also exists the laid down cost height, floor space is big, processing cost is high, operation control is complicated, produce problems such as the secondary pollution amount is big.Electric flocculation technique is as a kind of novel water technology, the process that electric flocculation technique is disposed of sewage generally included with the next stage: at first under effect of electric field, the dissolving of solubility electrode produces metallic cation, water power is from producing hydroxide ion, wherein metallic cation and the hydroxide ion formation " little flocculation agent " that can combine; Under the effect of little flocculation agent, the contaminant particle meeting loss of stability that suspends in the water; Collision mutually between contaminant particle after taking off surely and the little flocculation agent, in conjunction with macroscopic big flocculating body, thereby available precipitation or air floating method are removed pollutent in the liquid.

The electricity flocculation process is the ion remaval pollutent that utilizes electrolytic reaction to produce, and need not to use in addition oxygenant or reductive agent therebetween, and is therefore less to the pollution of environment generation, is a kind of eco-friendly water technology; And electric flocculation plant also has, and equipment is simple, floor space is few, be easy to safeguard and realize easily advantage such as automatization control.Be used in traditional electrical flocculation apparatus on the electroplating wastewater at present mainly based on the acyclic type reactor, it has positive effect for handling single heavy metal, and when being mixed with various heavy or other pollutents in the electroplating wastewater, its removal effect reduces greatly.

The utility model content

The purpose of this utility model provides a kind of electric flocculation apparatus that mixes electroplating wastewater of handling, remove when can under the situation of not carrying out the heavy metal shunting, can realize pollutents such as various heavy, organism, phosphorus, coexist and reluctant problem to solve the various heavy pollutent that exists in the electroplating wastewater processing.

The purpose of this utility model is to be achieved through the following technical solutions: a kind of electric flocculation apparatus that mixes electroplating wastewater of handling, comprise housing and be arranged at its inner reactor, the bottom of described housing left side wall is provided with water-in near the front plate place, the top of housing right side plate is provided with water outlet near the front plate place, the edge of housing front plate and rear panel is fixed by some CARBURIZING FURNACE FOR STAINLESS FASTENER respectively, the some electricity-linkingup points of middle part uniform distribution of housing rear panel, the right-hand member of housing end face is provided with venting port near the rear panel place, the middle part of housing bottom surface is provided with evacuation port, the some receiving electrode plates of the inside uniform distribution of described reactor, the middle part of receiving electrode plate is provided with power supply contact, be evenly distributed with three induced electricity pole plates between two adjacent receiving electrode plates, the two ends of receiving electrode plate and induced electricity pole plate all are fixed on the front plate and rear panel of reactor by the insulating pad supporter, wherein receiving electrode plate and three induced electricity pole plate metas are all fixedlyed connected with the left plate of reactor in the left end of the induced electricity pole plate at middle part, three induced electricity pole plate metas are all fixedlyed connected with the right side plate of reactor in the right-hand member of the induced electricity pole plate of top and bottom, be positioned at the induced electricity pole plate that the receiving electrode plate at top is adjacent, the runner that forms between the reactor wall is communicated with water outlet, the induced electricity pole plate that the receiving electrode plate bottom being positioned at is adjacent, the runner that forms between the reactor wall is communicated with water-in.

The beneficial effects of the utility model are: remove when can realize pollutents such as various heavy, organism, phosphorus under the situation of not carrying out the heavy metal shunting, improve treatment effect greatly, reduce secondary pollution, cost of investment is low, operation is simple, floor space is few, be easy to safeguard and realize easily automatization control.

Description of drawings

With reference to the accompanying drawings the utility model is described in further detail below.

Fig. 1 is the front view of the electric flocculation apparatus of the described processing mixing of the utility model embodiment electroplating wastewater; Fig. 2 is the rear view of the electric flocculation apparatus of the described processing mixing of the utility model embodiment electroplating wastewater; Fig. 3 is the left view of the electric flocculation apparatus of the described processing mixing of the utility model embodiment electroplating wastewater; Fig. 4 is the right view of the electric flocculation apparatus of the described processing mixing of the utility model embodiment electroplating wastewater; Fig. 5 is the vertical view of the electric flocculation apparatus of the described processing mixing of the utility model embodiment electroplating wastewater; Fig. 6 is the upward view of the electric flocculation apparatus of the described processing mixing of the utility model embodiment electroplating wastewater; Fig. 7 is the internal structure synoptic diagram of reactor in the electric flocculation apparatus of the described processing mixing of the utility model embodiment electroplating wastewater.

Among the figure: 1, housing; 2, reactor; 3, water-in; 4, water outlet; 5, CARBURIZING FURNACE FOR STAINLESS FASTENER; 6, electricity-linkingup point; 7, venting port; 8, evacuation port; 9, receiving electrode plate; 10, induced electricity pole plate; 11, insulating pad supporter; 12, power supply contact; 13, front plate; 14, rear panel.

Embodiment

Shown in Fig. 1-7, the described a kind of electric flocculation apparatus that mixes electroplating wastewater of handling of the utility model embodiment, comprise housing 1 and be arranged at its inner reactor 2, the bottom of described housing 1 left side wall is provided with water-in 3 near the front plate place, the top of housing 1 right side plate is provided with water outlet 4 near the front plate place, the edge of housing 1 front plate and rear panel is fixed by some CARBURIZING FURNACE FOR STAINLESS FASTENER 5 respectively, the some electricity-linkingup points 6 of the middle part uniform distribution of housing 1 rear panel, the right-hand member of housing 1 end face is provided with venting port 7 near the rear panel place, the middle part of housing 1 bottom surface is provided with evacuation port 8, the some receiving electrode plates 9 of the inside uniform distribution of described reactor 2, the middle part of receiving electrode plate 9 is provided with power supply contact 12, be evenly distributed with three induced electricity pole plates 10 between two adjacent receiving electrode plates 9, the two ends of receiving electrode plate 9 and induced electricity pole plate 10 all are fixed on the front plate 13 and rear panel 14 of reactor 2 by insulating pad supporter 11, the left end that wherein is positioned at the induced electricity pole plate 10 at middle part in receiving electrode plate 9 and three the induced electricity pole plates 10 is all fixedlyed connected with the left plate of reactor 2, the right-hand member that is positioned at the induced electricity pole plate 10 of top and bottom in three induced electricity pole plates 10 is all fixedlyed connected with the right side plate of reactor 2, be positioned at the induced electricity pole plate 10 that the receiving electrode plate 9 at top is adjacent, the runner that forms between reactor 2 inwalls is communicated with water outlet 4, the induced electricity pole plate 10 that the receiving electrode plate 9 bottom being positioned at is adjacent, the runner that forms between reactor 2 inwalls is communicated with water-in 3.

During concrete the use, the utility model adopts carbon steel material to make, and is dead front type; Water-in is a raw water inlet, adopts flange to connect; Water outlet is that electric flocculation reactor is handled the back water outlet, adopts flange to connect; The gas that the utility model exhaust when venting port is used for moving for the first time or in use discharge produces in the reactor is to reduce the pressure of reactor; Evacuation port is used for equipment being carried out emptying when out of service to be handled.In reactor 2 inside 5 blocks of receiving electrode plates 9 are set, but arbitrary combination is as the positive and negative electrode of external direct current power supply; 9 of receiving electrode plates are provided with the induced electricity pole plate 10 that 3 pole plates do not connect electricity, and as induction electrode.When the external source contact with after receiving electrode plate 9 is communicated with, except receiving electrode plate 9 as behind the positive and negative electrode, induced electricity pole plate 10 is the induction pole plate, induced electricity pole plate 10 is bipolarity, promptly near the positive pole-face electrode that is negative, near the negative pole face electrode that is positive, just formed a loop between such two induction pole plates.In composite waste of electrolytic plating enters reactor 2, external source begins effect, a plurality of independent treatment chambers have just been formed in the reactor 2, H+ is reduced into and is H2 on negative electrode, because the consumption of H+, OH-concentration begins to rise, this moment, heavy metal ion then precipitated with the OH-reacting generating compound that generates, because polar plate spacing is little, the compound of its formation is become non-dissolved matter matter by the agglutinating matter flocculation that anode produces rapidly, after OH-concentration reduces, along with the electrolysis of water, H+ concentration rises, and is reduced to H2 again, thus, be a circulation again.Waste water is when the reactor reaction like this, and just being equivalent to because the OH-or the H+ that produce can be reacted timely, so reactor PH maintains a scope always, all has removal effect to various heavy through round-robin precipitation throwing out repeatedly.

Inside reactor receiving electrode plate 9 and induced electricity pole plate 10 are set to staggered flow process, and all pole plates adopt conductive metal sheet to make; Insulating pad supporter 11 adopts the insulation rigid material to make, and supporter 11 is identical with electrode thickness with pole plate Link Port size, prevents that current from causing short stream from 11 outflows of pole plate supporter.When waste water entered reactor 2, current up turned over stream along the pole plate length direction, and width of flow path is the polar plate spacing distance, flow through in the journey runner that forms a S type turning over, help to react fully and prevent the generation at dead angle.

Claims

1. handle the electric flocculation apparatus that mixes electroplating wastewater for one kind, comprise housing (1) and be arranged at the inner reactor (2) of housing (1), the bottom of described housing (1) left side wall is provided with water-in (3) near the front plate place, the top of housing (1) right side plate is provided with water outlet (4) near the front plate place, the edge of housing (1) front plate and rear panel is fixing by some CARBURIZING FURNACE FOR STAINLESS FASTENER (5) respectively, it is characterized in that: the some electricity-linkingup points of middle part uniform distribution (6) of housing (1) rear panel, the right-hand member of housing (1) end face is provided with venting port (7) near the rear panel place, the middle part of housing (1) bottom surface is provided with evacuation port (8), the some receiving electrode plates of the inside uniform distribution of described reactor (2) (9), the middle part of receiving electrode plate (9) is provided with power supply contact (12), be evenly distributed with three induced electricity pole plates (10) between adjacent two receiving electrode plates (9), the two ends of receiving electrode plate (9) and induced electricity pole plate (10) all are fixed on the front plate (13) and rear panel (14) of reactor (2) by insulating pad supporter (11), the left end that wherein is positioned at the induced electricity pole plate (10) at middle part in receiving electrode plate (9) and three the induced electricity pole plates (10) is all fixedlyed connected with the left plate of reactor (2), the right-hand member that is positioned at the induced electricity pole plate (10) of top and bottom in three induced electricity pole plates (10) is all fixedlyed connected with the right side plate of reactor (2), be positioned at the runner that forms between induced electricity pole plate (10) that the receiving electrode plate (9) at top is adjacent and reactor (2) inwall and be communicated with, be positioned at the runner that forms between induced electricity pole plate (10) that the receiving electrode plate (9) of bottom is adjacent and reactor (2) inwall and be communicated with water-in (3) with water outlet (4).