KR101310887B1 - Electric plate module of electrochemical treatment system in water treatment plant - Google Patents

Abstract

PURPOSE: An electrode module of an electrochemical water-treatment apparatus is provided to improve safety, to minimize power waste, to improve water treatment capability, and to facilitate maintenance. CONSTITUTION: An electrode module of an electrochemical water-treatment apparatus comprises: multiple negative plates (30) and positive plates (20) which are laminated separately to form anode and cathode by turns; and multiple connecting bars (40) combining the negative and positive plates while penetrating. A first conducting member (43) and a first insulating member (41) are combined to some of the connecting bars. A second conducting member (42) and a second insulating member are combined to other connecting bars.

Description

ELECTRIC PLATE MODULE OF ELECTROCHEMICAL TREATMENT SYSTEM IN WATER TREATMENT PLANT

The present invention relates to an electrode module included in the water treatment apparatus, and more particularly, to all the negative electrode plate by applying a positive voltage to all the positive electrode plate by applying a positive voltage to one positive electrode plate and a negative voltage to one negative electrode plate at the same time The negative electrode is applied to the negative electrode plate and the positive electrode plate to apply the voltage of the required size with only low voltage, minimizing the power consumption, greatly improving the stability, improving the water treatment capacity and maintenance. An electrode plate or an electrode module of a convenient electrochemical water treatment apparatus.

The present invention relates to an electrode module included in the electrochemical water treatment apparatus.

The electrode plate included in the existing water treatment apparatus is provided with only an electrode plate for stacking a positive electrode plate and a negative electrode plate and applying electricity to the outermost electrode plate to induce opposite charges to the remaining electrode plates.

However, such a conventional electrode plate structure is required to apply an extremely high voltage to the outermost electrode plate in order to apply the electrode of the required size to the electrode plate, which not only consumes unnecessary power, but also causes safety problems and maintenance inconveniences. There is a problem that causes the ham.

The background art of the present invention is disclosed in the Republic of Korea Patent Publication No. 10-2006-0128246, Republic of Korea Patent Registration No. 10-0867208, Republic of Korea Patent Publication No. 10-2004-0059026, etc. There is no solution at all.

SUMMARY OF THE INVENTION An object of the present invention devised to solve the above-described problem is that a negative electrode plate and a positive electrode plate are stacked on a coupling rod in which first and second conductive members and first and second insulating members electrically connect only negative plates or only positive plates. By applying a positive voltage to one positive electrode plate, a positive electrode is applied to all the positive electrode plates and a negative voltage to one negative electrode plate is applied. In order to provide an electrode module of the electrochemical water treatment device which provides a laminated structure of the negative electrode plate and the positive electrode plate applied, minimizes the power consumption, greatly improves the stability, improves the water treatment capacity, and is convenient for maintenance.

According to a feature of the present invention for achieving the above object, the present invention is an electrode module included in the water treatment apparatus using an electrochemical reaction, the negative electrode is spaced apart so that the anode and the anode are alternately applied is applied A plurality of cathode plates 30 to which a plurality of cathode plates 30 and positive electrodes are applied; And a plurality of coupling rods 40 penetrating and coupling the plurality of negative electrode plates and the plurality of positive electrode plates. Including a portion of the coupling rod is a first conductive member for electrically connecting two adjacent positive electrode plate of the plurality of the positive electrode plate and the first insulating member for insulating the first conductive member and the negative electrode plate positioned between the two adjacent positive electrode plate A second conductive member for electrically connecting two adjacent negative plates of the plurality of negative plates, and a second insulating member for insulating the positive electrode plate between the two adjacent negative plates and the second conductive member, the laminated portion being coupled; And a guide plate 10 coupled to one side and the other side of the coupling rod to be stacked on both outermost sides of the negative electrode plate and the positive electrode plate, wherein the guide plate is formed such that one side thereof protrudes from the negative plate and the positive plate. On one side, the one or two or more of the positive electrode plate and electrically connected the positive electrode of the power supply unit for supplying electricity Key is characterized in that the anode connection member for electrically connecting the negative electrode of the positive electrode connecting member and one of said negative electrode plate, or both over and the power supply is installed.

At this time, the spacer 45 of an insulator material is coupled between the negative electrode plate and the positive electrode plate of the coupling rod, so that the negative electrode plate and the positive electrode plate are spaced apart from the coupling rod.

delete

delete

As described above, according to the present invention, a positive voltage is applied to all the positive plates by applying a positive voltage to one positive electrode plate and a negative voltage is applied to all negative plates by applying a negative voltage to one negative plate at the same time. It provides a laminated structure of cathode and anode plates to which the required size of voltage is applied, minimizing power consumption, greatly improving stability, improving water treatment ability, and providing an electrode module of an electrochemical water treatment device that is convenient for maintenance. Can provide.

1 and 2 are perspective views of an electrode module of the electrochemical water treatment apparatus according to the present invention.
3 is a front view of the electrochemical water treatment apparatus according to the present invention.
4 is a cross-sectional view taken along line AA ′ shown in FIG. 2.
FIG. 5 is an enlarged view of a portion B shown in FIG. 4.
FIG. 6 is an enlarged view of a portion C shown in FIG. 4.
7 is an exploded perspective view of a coupling rod for insulated or insulated and coupled the positive electrode plate and the negative electrode plate.
8 is a configuration diagram of a positive electrode connecting member for electrically connecting a positive electrode plate and a positive electrode of a power supply unit.
9 is a configuration diagram of a negative electrode connecting member for electrically connecting a negative electrode plate and a negative electrode of a power supply unit.

Advantages and features of the present invention and methods for achieving them will be apparent with reference to the embodiments described below in detail with the accompanying drawings.

The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. To fully disclose the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout the specification.

Hereinafter, the present invention will be described with reference to the drawings for explaining the electrode module of the electrochemical water treatment apparatus according to embodiments of the present invention.

1 and 2 are perspective views of an electrode module of the electrochemical water treatment apparatus according to the present invention, FIG. 3 is a front view, FIG. 4 is a sectional view of AA ′ shown in FIG. 2, and FIG. 5 is a portion B shown in FIG. 4. 6 is an enlarged view of part C shown in FIG. 4.

FIG. 7 is an exploded perspective view of a coupling rod for insulating or inverting a cathode plate and an anode plate, and FIG. 8 is a configuration diagram of an anode connecting member electrically connecting a cathode plate and a cathode of a power supply unit, and FIG. It is a block diagram of the cathode connection member which electrically connects.

The electrode module of the electrochemical water treatment apparatus according to the present invention relates to an electrode module installed in a water treatment tank (not shown) in which water to be treated is subjected to an electrochemical reaction in a water treatment apparatus using an electrochemical reaction.

Specifically, the electrode module of the electrochemical water treatment apparatus according to the present invention includes an electrode plate to which the electricity of the positive electrode and the negative electrode are respectively applied, and the electrode plate is applied to the negative electrode which is spaced apart so that the negative electrode and the positive electrode are alternately formed It includes a plurality of negative electrode plate 30 and a plurality of positive electrode plate 20 to which a positive electrode is applied, and a plurality of coupling rods 40 through and coupled to the plurality of negative electrode plate 30 and the plurality of positive electrode plates 20. .

In this case, some of the coupling rods 40 may include a negative electrode plate disposed between the first conductive member 43 made of a conductive material and the two adjacent positive electrode plates to electrically connect two adjacent positive electrode plates of the plurality of positive electrode plates 20. The first insulating member 41 is insulated from the conductive member 43, and the other part of the second conductive member 42 electrically connects two adjacent negative electrode plates of the plurality of negative electrode plates 30 and the two adjacent negative electrode plates. Between the positive electrode plate and the second insulating member 44 to insulate the second conductive member 42 is coupled.

That is, the electrode plate of the electrochemical water treatment apparatus according to the present invention includes a positive electrode plate 20, the negative electrode plate 30 and the coupling rod 40.

The positive electrode plate 20 is a plate-shaped conductor, and is composed of a plurality of electrode plates to which a positive electrode is applied.

The negative electrode plate 30 is a plate-shaped conductor, and is composed of a plurality of electrode plates to which a negative (-) electrode is applied.

In this case, the negative electrode plate 30 and the positive electrode plate 20 are stacked side by side to face each other and spaced apart from each other, the negative plate 30 and the positive electrode plate 20 are alternately stacked.

That is, the cathode and the anode are alternately formed to enable the electrochemical treatment of water.

The coupling rod 40 is installed to penetrate both the stacked negative electrode plate 30 and the positive electrode plate 20, and a plurality of coupling rods 40 can be stably coupled to the laminated negative electrode plate 30 and the positive electrode plate 20. ) Are installed in multiple places.

That is, the coupling rod 40 supports the laminated negative electrode plate 30 and the positive electrode plate 20 to be coupled, and at the same time, the positive electrode plate 20 is electrically connected to the positive electrode plates, and the negative electrode plate 30 is electrically connected to each other. When the positive electrode is applied to one of the positive electrode plates 20, the positive electrode is formed on all of the positive electrode plates 20, and the negative electrode is applied to one of the negative electrode plates to form a negative electrode on all of the negative electrode plates.

In order to electrically connect the positive electrode plate 20 and the negative electrode plate 30 by the coupling rod 40, the conductive members 42 and 43 and the electrically insulating member, which are electrically conductive members, are electrically connected. Phosphorus insulating members 41 and 44 are combined.

That is, some of the coupling rods 40 may include a first conductive member 43 made of a conductive material electrically connecting two adjacent positive plates of the plurality of positive plates 20 and a negative plate 30 disposed between the two adjacent positive plates. The first insulating member 41 which insulates the first conductive member 43 is coupled (that is, a coupling rod configured to electrically connect only the positive electrode plates 20), and the other part of the coupling rod 40 is The second conductive member 42 electrically connecting two adjacent negative plates among the plurality of negative electrode plates 30 and the second insulating member 44 insulating the positive electrode plate between the two adjacent negative plates and the second conductive member 42 are provided. Coupled (ie, a coupling rod configured to electrically connect only the negative plates 30).

At this time, the first conductive member 43 and the first insulating member 41 and the second conductive member 42 and the second insulating member 44 are all hollow cylinders fitted to the coupling rod 40 or It is preferably formed in the form of an annular ring.

That is, the first conductive member 43 is coupled to the coupling rod 40 such that the upper side and the lower side contact the upper side and the lower side of each of the two adjacent positive electrode plates 20.

In addition, the first insulating member 41 has an outer side of the first conductive member 42 so that the negative electrode plate 30 disposed between the two adjacent positive electrode plates 20 is insulated from the first conductive member 43. To be fitted to.

That is, the first conductive member 43 is fitted to the coupling rod 40 between the two adjacent positive plates 20, and the first insulating member 41 is fitted to the outside thereof. The negative electrode plate 30 disposed between the two positive electrode plates 20 is positioned.

Similarly, the second conductive member 42 is coupled to the coupling rod 40 such that the upper side and the lower side contact the upper side and the lower side of each of the two adjacent negative electrode plates 30.

In addition, the second insulating member 44 has an outer side of the second conductive member 42 so that the positive electrode plate 20 disposed between the two adjacent negative electrode plates 30 is insulated from the second conductive member 42. To be fitted to.

That is, the second conductive member 42 is fitted to the coupling rod 40 between the two adjacent negative electrode plates 30, and the second insulating member 44 is fitted to the outside thereof. The positive electrode plate 20 disposed between the two negative electrode plates is positioned.

That is, the plurality of coupling rods 40 are divided into coupling rods electrically connecting only the positive electrode plates 20 and coupling bars electrically connecting only the negative electrode plates 30, as described above. ) Is installed to penetrate the laminated positive electrode plate 20 and the negative electrode plate 30 as a whole.

The plurality of coupling rods 40 are installed in a plurality of places so as to penetrate the stacked positive plate 20 and the negative plate 30, respectively, and support the positive plate 20 and the negative plate 30 and the positive plate 20 and the negative plate 30. ) It should be installed considering each conduction efficiency. In the drawings of the present specification, the plurality of coupling rods 40 are respectively installed in nine places, such as four corner portions of the stacked positive plate 20 and the negative plate 30, and a portion and a center portion therebetween, and the positive plate 20 Only the coupling rods configured to be electrically connected to the four corners and the center portion of the five, and the coupling rods configured to be electrically connected only to the negative electrode plates 20 illustrate the four other installations respectively.

At this time, the electrode module of the electrochemical water treatment device according to the present invention is a guide plate coupled to one side and the other side of the coupling rod 40 to be laminated on both outermost sides of the laminated negative electrode plate 30 and the positive electrode plate 20 ( 10) may be further included.

At this time, a screw line is formed at both ends of the coupling rod 40, and both ends of the coupling rod 40 are screwed to the guide plate 10 and are fixed by nuts 48, respectively.

The guide plate 10 is formed so that one side thereof protrudes from the negative electrode plate 30 and the positive electrode plate 20, and on one side of the guide plate 10, one or two or more of the positive electrode plates 20 are supplied with electricity. A positive electrode connecting member 11 for electrically connecting the positive electrode of the power supply unit and a negative electrode connecting member 15 for electrically connecting one or two or more of the negative electrode plate 30 and the negative electrode of the power supply unit for supplying electricity are provided.

The positive electrode connecting member 11 is a positive electrode clip 13 coupled to the positive electrode bar 12 of the conductive material coupled to both sides of the guide plate 10 and the positive electrode plate 20 stacked on the positive electrode bar 12. One side is clipped to the positive electrode clip 13 and the other side includes a positive plate connecting bar 14 connected to one or two or more of the stacked positive plate 20.

In addition, the negative electrode connection member 15 is a negative electrode clip coupled to the negative electrode bar 16 of the conductive material coupled to both sides of the guide plate 10 and the negative electrode plate 30 side to the negative electrode bar 16 side 17, and a negative electrode plate connecting bar 18 connected to one or two or more of the stacked negative electrode plates 30, the one side of which is clip-coupled to the negative electrode clip 17.

In this case, the negative electrode clip 17 may be installed such that one side of the negative electrode plate connecting bar 18 may be in close contact with the guide plate 10 and the other side may be fixed by the negative electrode clip 17.

At this time, it is preferable that the supporting rods 19 for stably supporting the two guide plates 10 are installed on the inside of the guide plate 10 that does not include the stacked positive plate 20 and the negative plate 30.

At this time, the water between the positive electrode plate 20 and the negative electrode plate 30 is treated and purified through the following electrochemical reaction.

When the electrochemical treatment reaction occurs in the aggregation reaction between the positive electrode plate 20 and the negative electrode plate 30, the contaminant removal mechanism occurring in the electrochemical reaction in accordance with the elution of the eluting electrode is as follows.

Positive plate:

Between positive and negative plates:

Negative plate:

Me: eluting electrode (Fe, Al, Zn, etc.)

P: pollutant

When the electrochemical reaction occurs as an oxidation reaction, the anode plate acts as a catalyst and the contaminant removal mechanism occurring in the electrochemical reaction is as follows.

First of all, direct oxidation, i.e. the reaction of the anode,

: 전기분해 장치 내부에 설치되어 있는 전극 표면의 산화물

: Oxide on electrode surface installed inside electrolysis device

R: organic matter

R = R: double bond organics

RR: single bond organics

Next, in the case of indirect oxidation,

Anode:

Cathode:

In Bulk:

등에 의해서 오염물질을 간접적으로 산화한다.Indirect oxidation reaction

Indirectly oxidizes contaminants.

In order to maximize the efficiency of the electrochemical reaction, there may be a case where pre / post treatment is required, which is variably applied according to the applied wastewater.

In general, in the pretreatment process, a caustic soda, sulfuric acid, an inorganic coagulant, and an appropriate additive (NaCl, Na 2 SO 4) are added and mixed to adjust the conductivity, pH, and SS.

After the electrochemical reaction, when the treated water is discharged and floats are generated in the treatment process, the suspended matter is transferred to a float storage tank (not shown) and the post-treatment stage is discharged through the discharge pipe.

In the electrode module of the electrochemical water treatment apparatus according to the present invention, the spacer 45 of an insulator material is coupled between the negative electrode plate 30 and the positive electrode plate 20 of the coupling rod 40, so that the negative electrode plate and the positive electrode plate are It is preferable to support the bonding rod to be spaced apart.

At this time, when the outermost pole plate is composed of a negative electrode plate, as shown in the drawings of the present specification, the coupling rod configured to be electrically connected only to the positive electrode plates 20, the separating member of the insulating material between the negative electrode plate of the outermost both sides and the adjacent positive electrode plate ( 46) can be fitted.

In this case, when the outermost polar plates of the negative electrode plate 30 and the positive electrode plate 20 that are laminated with the opposite of the drawings in the present invention are composed of the positive electrode plate 20, it is obvious that the above-described principle is applied.

In the electrode module of the electrochemical water treatment apparatus according to the present invention, the positive electrode is applied to all of the positive electrode plates 20 by applying the positive electrode to any one or two or more of the laminated positive electrode plates 20 by the above-described configuration. It is applied through the first conductive member 43.

In addition, the electrode of the negative electrode is applied to the whole of the negative electrode plate 30 through the second conductive member 42 by applying an electrode of the negative electrode to any one or two or more of the laminated negative electrode plate 30.

In the electrode plate of the electrochemical water treatment apparatus according to the present invention, it is preferable to insert the O-ring 47 between the spacer 45 and the spacer 45 or between the negative electrode plate and the positive electrode plate above and below the separating member 46 to maintain airtightness. .

Therefore, by using the electrode plate of the electrochemical water treatment apparatus according to the present invention, not only the low voltage but also the voltage required in each of the positive electrode plate 20 and the negative electrode plate 30 can be applied, and its maintenance is easy. To provide a water treatment system.

[Example]

An embodiment of the water treatment by the (waste) water treatment apparatus to which the electrode module of the electrochemical water treatment apparatus according to the present invention is applied is as follows.

Using the car wash wastewater of the mother gas station as raw water, the wastewater was treated with the wastewater treatment apparatus to which the electrode module of the electrochemical water treatment apparatus according to the present invention was applied. The wastewater used as raw water is the wastewater collected after the sedimentation effect from the tank in the basement of the car wash.

Item

SS pH Cunductivity enemy 81mg / l 852 mg / l 7.68 mg / l 1,226 ㎲ / cm

The raw water was passed to the wastewater treatment apparatus to which the electrode module of the electrochemical water treatment apparatus according to the present invention was applied with a reaction residence time of 1 minute. The electrode used in the wastewater treatment apparatus was an Al electrode as an elution electrode, the electrode spacing was arranged to 10mm, the applied current density was 1mA / cm2 and electricity was applied in a monopolar manner.

The water that has passed through the wastewater treatment device is agglomerated contaminants rise to the upper treatment tank according to the effect of the electrochemical treatment, and the treatment results obtained by analyzing the bottom water is shown in Table 2 below.

Item

SS pH Cunductivity enemy 28mg / l 54mg / l 7.78 mg / l 1,145㎲ / cm

은 65%, SS는 94%의 처리율을 나타냈다. 상기 폐수처리장치 단독 공정으로 처리한 결과이므로, 간단한 후단 처리 공정을 거치면 국내 폐수 방류 기준 이하로 처리가 가능하며, 재이용도 가능한 수준의 결과를 나타냈다.

Was 65% and SS was 94%. Since the wastewater treatment device was treated as a single process, a simple post-treatment process could be performed under the domestic wastewater discharge standard, and showed a level of reuse.

It will be understood by those skilled in the art that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive. The scope of the present invention is defined by the appended claims rather than the foregoing detailed description, and all changes or modifications derived from the meaning and scope of the claims and the equivalents thereof are included in the scope of the present invention Should be interpreted.

10: guide plate 11: positive connection member
12: Anode Bar 13: Anode Clip
14: positive electrode connecting bar 15: negative electrode connecting member
16: Cathode Bar 17: Cathode Clip
18: negative electrode connection bar 20: positive electrode plate
30: negative electrode plate 40: bonding rod
41: first conductive member 42: second conductive member
43: first insulating member 44: second insulating member
45: spacer 46: separating member
47: O-ring 48: nut

Claims (4)

An electrode module included in a water treatment apparatus using an electrochemical reaction,
A plurality of negative electrode plates 30 to which negative electrodes are stacked so as to alternately form a negative electrode and a positive electrode, and a plurality of positive electrode plates 20 to which positive electrodes are applied; And a plurality of coupling rods 40 penetrating and coupling the plurality of negative electrode plates and the plurality of positive electrode plates. Including,
Some of the coupling rods include a first conductive member electrically connecting two adjacent positive plates of the plurality of positive plates, a negative electrode plate disposed between the two adjacent positive plates, and a first insulating member insulating the first conductive member. A part of the plurality of negative electrode plates includes a second conductive member electrically connecting two adjacent negative electrode plates, a positive electrode plate between the two adjacent negative electrode plates, and a second insulating member insulating the second conductive member,
Further comprising a guide plate 10 coupled to one side and the other side of the coupling rod to be laminated on the outermost both sides of the laminated negative electrode plate and the positive electrode plate,
The guide plate is formed so that one side protrudes from the negative plate and the positive plate,
One side of the guide plate, a positive electrode connecting member for electrically connecting the one or two or more of the positive electrode plate and the power supply unit for supplying electricity, and a negative electrode connection for electrically connecting one or more of the negative plate and the negative electrode of the power supply unit Electrode module of the electrochemical water treatment device, characterized in that the member is installed.
The method of claim 1,
An electrode spacer of an insulator material is coupled between the negative electrode plate and the positive electrode plate of the coupling rod, so that the negative electrode plate and the positive electrode plate are spaced apart from the coupling rod.
delete delete

Images