CN210122500U - Rotary electrochemical circulating water treatment device - Google Patents
Rotary electrochemical circulating water treatment device Download PDFInfo
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- CN210122500U CN210122500U CN201920912134.9U CN201920912134U CN210122500U CN 210122500 U CN210122500 U CN 210122500U CN 201920912134 U CN201920912134 U CN 201920912134U CN 210122500 U CN210122500 U CN 210122500U
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Abstract
The utility model provides a rotary electrochemical circulating water treatment device, which comprises a reactor cylinder; a water inlet pipe and a water outlet pipe are arranged on the reactor barrel; a plurality of anode plates and cathode plates are arranged inside the reactor barrel; the anode plates and the cathode plates are alternately arranged at intervals; and a scale scraping plate matched with the corresponding negative plate for scraping scale is arranged beside the negative plate. The utility model has the advantages that the negative plates and the positive plates which are sequentially and alternately arranged are arranged in the reaction device, compared with the existing mode that the reactor barrel is used as the cathode, the effective reaction area is expanded, and the large-scale application is facilitated; the scale scraping plates fixed at the bottom of the reactor barrel are arranged on two sides of the cathode plate, and scale substances on the surface of the cathode are scraped in a motor rotating mode, so that manual operation is not needed, and the reactor is simple and convenient.
Description
Technical Field
The utility model belongs to the technical field of the circulating water treatment, in particular to rotary type electrochemistry circulating water treatment device and method.
Background
The circulating water accounts for 50-80% of the water consumption of the thermal power plant, and the problem of good circulating water treatment is of great significance to water saving and emission reduction of the thermal power plant. The electrochemical method can continuously generate active substances in situ through electrochemical reaction, realize the precipitation of hardness ions such as calcium, magnesium and the like and the removal of microorganisms in the circulating water, has no secondary pollution, and is a potential circulating water treatment technology of a power plant. At present, electrochemical reactors applied to descaling and sterilization of circulating water mainly have two forms: one is a bypass reactor, which typically draws a proportion of the water in the recycle line for treatment; the other is a submerged reactor, usually arranged in a sump of recycled water, without a shell. However, both reactors have certain problems in engineering application, and the bypass reactor usually takes the cylinder wall as a cathode, and the area is limited by the volume of the reactor, so that the reactor is not suitable for large-scale application; the immersed reactor is free of a scale scraping system, when the scale is formed to a certain degree, the reactor needs to be taken out of a water collecting tank, the scale is scraped manually, and the operation is complex. Therefore, there is a need to further solve the problems of the area expansion of the electrode plate of the electrochemical reactor and the automatic scaling.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a rotation type electrochemistry circulating water treatment facilities to solve the problem that exists among the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a rotary electrochemical circulating water treatment device comprises a reactor cylinder; a water inlet pipe and a water outlet pipe are arranged on the reactor barrel; a plurality of anode plates and cathode plates are arranged inside the reactor barrel; the anode plates and the cathode plates are alternately arranged at intervals; and a scale scraping plate matched with the corresponding negative plate for scraping scale is arranged beside the negative plate.
Further, a rotating shaft is arranged in the reactor cylinder; the cathode plate is fixed on the rotating shaft.
Furthermore, the rotating shaft is connected with an external driving device capable of driving the rotating shaft to rotate.
Furthermore, the reactor cylinder is of a horizontal structure, the water inlet pipe is positioned at one side of the reactor cylinder, and the water outlet pipe is positioned at the other side of the reactor cylinder; the bottom of the reactor barrel is provided with a drain outlet.
Further, reactor barrel upper portion is cylindrical or cuboid structure, and the lower part is four sides slope infundibulate structure.
Furthermore, the cathode plates are odd, the anode plates are even, and the anode plates are fixed at the top end of the reactor barrel; the negative plate and the positive plate are arranged in parallel, and the rotating shaft penetrates through the center of the positive plate.
The anode plate and the cathode plate are respectively connected with the positive pole and the negative pole of the electric cabinet through the electrode binding posts.
Further, the reactor barrel is made of corrosion-resistant stainless steel.
Furthermore, the cathode plates are odd number plates, the anode plates are even number plates, the cathode plates are fixed on a rotating shaft of the rotating motor, and the anode plates are fixed at the top end of the reactor barrel.
Furthermore, the contact surface of the scale scraping plate and the cathode plate is made of rubber or organic plastics.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the cathode plates and the anode plates are alternately arranged, so that compared with the conventional mode of taking the cylinder as the cathode, the effective reaction area is expanded, the reactor is not limited by the volume of the reactor, and the large-scale application is facilitated;
2. the electrode rotation mode is adopted, dirt on the surface of the cathode is scraped through a scraper arranged in the reactor, manual operation is not needed, and the reactor is simple and convenient;
3. the contact surface of the scale scraping plate and the cathode plate is made of rubber or organic plastics, so that the abrasion can be effectively reduced;
4. the utility model discloses the method of well processing circulating water reacts through utilizing the multiunit plate electrode, can increase reaction area effectively, improves reaction efficiency, and it is rotatory to drive the negative plate through the rotating electrical machines, clears up electrode plate surface dirt automatically, and the method is simple, easy to operate.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of a rotary electrochemical circulating water treatment device.
The device comprises a reactor barrel 1, a reactor barrel 2, a water inlet pipe 3, a water outlet pipe 4, a sewage outlet 5, an electrode plate 6, a scale scraping plate 7, an electrode binding post 8, a rotating motor 9 and an electric cabinet.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
The following detailed description is exemplary in nature and is intended to provide further details of the invention. Unless otherwise defined, all technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention.
Referring to fig. 1, the utility model provides a rotary electrochemical circulating water treatment device, which comprises a reactor cylinder 1, a water inlet pipe 2, a water outlet pipe 3, a sewage outlet 4, a plate electrode 5, a scale scraping plate 6, an electrode binding post 7, a rotating motor 8 and an electric cabinet 9;
reactor barrel 1 adopts horizontal structure, inlet tube 2 and outlet pipe 3 are located the both sides of reactor barrel 1 respectively, drain 3 is located the bottom of reactor barrel 1, rotating electrical machines 8 is located one side of reactor barrel 1, reactor barrel 1 is run through in rotating electrical machines 8's pivot, plate electrode 5 divide into fixes the anode plate on reactor barrel 1 and fixes the epaxial negative plate of rotating electrical machines, negative plate and anode plate alternate arrangement in proper order, the both sides of every negative plate lower part set up scraper 6, scraper 6 is fixed in on the reactor barrel 1.
The upper part of the reactor barrel 1 is of a cylindrical or cuboid structure, and the lower part of the reactor barrel is of a four-side slope funnel-shaped structure.
The reactor cylinder 1 is made of anti-corrosion stainless steel.
The electrode plates 5 are alternately arranged in a way that cathode plates and anode plates are arranged, the cathode plates are odd-numbered, the anode plates are even-numbered, the cathode plates are fixed on a rotating shaft of the rotating motor 8, and the anode plates are fixed at the top end of the reactor barrel 1.
The anode plate and the cathode plate are respectively connected with the anode and the cathode of the electric cabinet 9 through electrode binding posts 7.
The contact surface of the scale scraping plate 6 and the cathode plate is made of rubber or organic plastics.
The utility model relates to an utilize rotation type electrochemistry circulating water treatment facilities during operation, include:
① circulating water is introduced into the reactor barrel 1 from the water inlet pipe 2;
② opening the electric cabinet 9 to adjust the current density between the polar plates;
③ hardness ions such as Ca and Mg in the circulating water generate CaCO near the cathode3And Mg (OH)2Precipitation, part of which is attached to the surface of the cathode and part of which is precipitated at the bottom of the reactor cylinder 1;
④ the microorganisms in the circulating water contact with the strong oxidizing substances near the anode and lose activity, and part of the microorganisms are precipitated at the bottom of the reactor cylinder 1;
⑤, after electrochemical treatment in the reactor cylinder 1, circulating water flows out of the reactor through the water outlet 3;
⑥ when the reaction is carried out for a period of time, the rotating motor 8 is automatically started and drives the cathode to rotate, and the scaling substances attached on the surface of the cathode are scraped by the scaling plate 6 and fall into the bottom of the reactor barrel 1;
⑦ the sewage outlet 4 is opened periodically to discharge the deposited fouling substances and biological slime from the reactor.
In step ②, the current density between the electrode plates is 0-20mA/cm2。
When the voltage between the plates rises to 105% of the initial voltage in step ⑥, the rotating machine is automatically turned on.
The specific working process is as follows: continuously flowing circulating water into the reactor barrel 1 from the water inlet pipe 2, flowing out of the reactor from the water outlet 3, simultaneously opening the electric cabinet, and adjusting the current density between the polar plates to be 10mA/cm2. At this time, hydrogen ion reduction reaction occurs near the cathode plate in the electrode plate 5, an alkaline environment is created, and hardness ions such as calcium and magnesium in the circulating water are cooled to generate CaCO3And Mg (OH)2The sediment is removed, part of the sediment is attached to the surface of the cathode plate, and part of the sediment is deposited at the bottom of the reactor cylinder 1; meanwhile, the oxidation reaction of chloride ions, hydroxide ions and the like occurs near the anode plate in the electrode plate 5, and strong oxidizing substances such as chlorine gas, hypochlorite, hydroxyl radicals and the like are generated, the strong oxidizing substances have a sterilization effect on the cooling circulating water, and lost microorganisms are precipitated at the bottom of the reactor cylinder 1. When the voltage between the electrode plates is increased by 5 percent from the initial voltage, the electric cabinet 9 automatically controls the rotating motor 8 to drive the cathode plate in the electrode plates 5 to rotate, and the scaling substances on the surface of the cathode plate are scraped by the scaling plate 6 and fall into the bottom of the reactor cylinder 1 in the rotating process of the cathode plate. And opening a drain outlet 4 at the bottom of the reactor every 5 hours to discharge accumulated scale substances and biological slime. And repeating the process to realize the electrochemical treatment of the circulating water.
It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of the invention or which are equivalent to the scope of the invention are embraced by the invention.
Claims (8)
1. A rotary electrochemical circulating water treatment device is characterized by comprising a reactor cylinder;
a water inlet pipe (2) and a water outlet pipe (3) are arranged on the reactor barrel body (1); a plurality of anode plates and cathode plates are arranged inside the reactor barrel (1); the anode plates and the cathode plates are alternately arranged at intervals;
and a scale scraping plate (6) matched with the corresponding negative plate for scraping scale is arranged beside the negative plate.
2. A rotary electrochemical circulating water treatment apparatus as claimed in claim 1, wherein the reactor cylinder (1) is provided with a rotary shaft; the cathode plate is fixed on the rotating shaft.
3. The rotary electrochemical circulating water treatment device as claimed in claim 2, wherein the rotating shaft is connected with an external driving device capable of driving the rotating shaft to rotate.
4. A rotary electrochemical circulating water treatment apparatus as claimed in claim 3, wherein the driving means is a rotary electric machine.
5. A rotary electrochemical circulating water treatment device according to claim 1, wherein the reactor cylinder (1) is of a horizontal structure, the water inlet pipe (2) is positioned at one side of the reactor cylinder (1), and the water outlet pipe (3) is positioned at the other side of the reactor cylinder (1); the bottom of the reactor barrel (1) is provided with a sewage outlet (4).
6. A rotary electrochemical circulating water treatment device as claimed in claim 1, wherein the upper part of the reactor cylinder (1) is cylindrical or rectangular structure, and the lower part is four-side slope funnel-shaped structure.
7. A rotary electrochemical circulating water treatment device as claimed in claim 2, wherein the cathode plates are odd-numbered, the anode plates are even-numbered, and the anode plates are fixed on the top end of the reactor cylinder (1); the negative plate and the positive plate are arranged in parallel, and the rotating shaft penetrates through the center of the positive plate.
8. The rotary type electrochemical circulating water treatment device according to claim 1, further comprising an electrode terminal (7) and an electric cabinet (9), wherein the anode plate and the cathode plate are respectively connected with the positive electrode and the negative electrode of the electric cabinet (9) through the electrode terminal (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920912134.9U CN210122500U (en) | 2019-06-17 | 2019-06-17 | Rotary electrochemical circulating water treatment device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920912134.9U CN210122500U (en) | 2019-06-17 | 2019-06-17 | Rotary electrochemical circulating water treatment device |
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| CN210122500U true CN210122500U (en) | 2020-03-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110182910A (en) * | 2019-06-17 | 2019-08-30 | 中国华能集团有限公司 | A kind of rotary electric chemical cycle water treatment facilities and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110182910A (en) * | 2019-06-17 | 2019-08-30 | 中国华能集团有限公司 | A kind of rotary electric chemical cycle water treatment facilities and method |
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