CN201325899Y - Sterilization and algae and scale removal device for industrial circulating water - Google Patents
Sterilization and algae and scale removal device for industrial circulating water Download PDFInfo
- Publication number
- CN201325899Y CN201325899Y CNU200820135486XU CN200820135486U CN201325899Y CN 201325899 Y CN201325899 Y CN 201325899Y CN U200820135486X U CNU200820135486X U CN U200820135486XU CN 200820135486 U CN200820135486 U CN 200820135486U CN 201325899 Y CN201325899 Y CN 201325899Y
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- circulating water
- industrial circulating
- removal apparatus
- algae removal
- eliminating sludge
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Abstract
The utility model relates to a sterilization and algae and scale removal device for industrial circulating water, which carries out water treatment by utilizing a frequency sweep electromagnet field. The device comprises a frequency sweep electromagnet field generator and can simultaneously generate a direct current electric field and a frequency sweep impulse electromagnet field to treat water; and the frequency spectrum of the frequency sweep impulse electromagnet field generated by the device can be changed continuously and is suitable for treating water with various characteristics. The sterilization and algae and scale removal device further comprises a blowdown control circuit and an automatic pole changing circuit; and after special working time (say 100 hours) of the device, the automatic pole changing circuit is started, and an anode and a cathode of the device are interchanged, namely the prior anode is changed into the cathode while the prior cathode is changed to the anode. Due to the action of electric field force, scales deposited on the prior cathode and formed by calcium and magnesium ions fall off automatically and are discharged from a blowdown port along with the water flow.
Description
Technical field:
The utility model relates to a kind of industrial circulating water sterilization algae removal apparatus for eliminating sludge, especially relates to a kind ofly being used to adopt the scanning frequency pulse electromagnetic field to carry out the industrial circulating water sterilization algae removal apparatus for eliminating sludge of water treatment.
Background technology:
Utilize electromagnetic field that industry and domestic water are handled, be a kind of of physics method water treatment, its principle is to make water pass through electromagnetic field, thereby interrupt the associative key of big association body state water, hydrolytic dissociation is become the active very strong unit molecule or the water of little association state, thereby change the physical structure and the characteristic of water, increase the moment of dipole of water molecules, change sedimentation state, the various ionic physicals of deposited material in the water, thereby reach antiscale, scale removal, sterilization, algae removal, resistance rust, rot-resistant purpose effectively, make water-quality activating become clear.Water treatment device as Chinese patent CN2310065Y promptly discloses.
But often there is such shortcoming in the equipment that available technology adopting electric field or electromagnetic field are handled water, promptly in water treatment procedure, when between the treated equipment positive and negative electrode of current, the scale forming matter that contains in the water, be calcium ion and magnesium ion, owing to the effect that is subjected to DC electric field is attracted to (identical with electroplating principle) on the negative pole.Thereby after industrial circulating water sterilization algae removal apparatus for eliminating sludge moves for some time, can have a thick layer of incrustation scale on the battery lead plate, can cause the obvious processing effect of industrial circulating water sterilization algae removal apparatus for eliminating sludge to reduce.In order to remove the incrustation scale on the battery lead plate, just must shut down maintenance, not only to waste time and energy, and when scale removal, often adopt pharmaceutical chemicals to carry out scale removal, this can cause the secondary pollution of water body again.
In addition, water treatment device all adopts the technical scheme of only using electromagnetic field that water is handled in the prior art, and the electromagnetic field that is adopted is static or fixed frequency, thereby only can produce effect preferably when the water with particular chemical, physical property is handled.But when practical application, because pending industry and domestic water has widely different chemistry, physical property, therefore water treatment device treatment effect of the prior art is not good.
The utility model content:
Technical problem to be solved in the utility model provides a kind of industrial circulating water sterilization algae removal apparatus for eliminating sludge at above-mentioned the deficiencies in the prior art exactly.This industrial circulating water sterilization algae removal apparatus for eliminating sludge utilizes sweep frequency electromagnetic field to carry out water treatment, this device amplifies treatment unit, blowdown pilot circuit, primary processing unit, sweep frequency electromagnetic field generator etc. by electric supply installation, control signal producer, switch and constitutes, can produce DC electric field and scanning frequency pulse electromagnetic field simultaneously, water is handled.The scanning frequency pulse electromagnetic field frequency spectrum that it produced can change continuously, can be applicable to the pending water of various characteristics.Wherein the scanning frequency pulse electromagnetic field can make algae or bacterial cell molecule in the water vibrate, and causes cell wall rupture, and cell content matter accumulates in and makes algae or bacterium death together, and reaches the effect of sterilization algae removal.And the electrolytic action of DC electric field can produce a large amount of active substances in water, as OH
-, ClO
-, H
2O
2, HClO etc., can strengthen the effect of sterilization algae removal.In addition, DC electric field and scanning frequency pulse electromagnetic field can produce electrochemical reaction and electro-coagulation in water, reach to remove organism in the water, heavy metal ion, reduction turbidity, removal suspended substance, reduction COD (chemical oxygen demand (COD)) and BOD (biological oxygen demand) etc.Its mechanism of action can be expressed as follows (making just very example with iron plate):
In the formula: Heavy Metal represents heavy metal ion
Pollutant represents pollutent or suspended substance.
And, the industrial circulating water sterilization algae removal apparatus for eliminating sludge that the utility model provides has automatic pole changing circuit, behind described industrial circulating water sterilization algae removal apparatus for eliminating sludge work specified time (for example 100 hours), automatic pole changing circuit starts, the positive and negative electrode of described industrial circulating water sterilization algae removal apparatus for eliminating sludge exchanges, be that former positive pole becomes negative pole, former negative pole becomes positive pole.At this moment, owing to be subjected to the effect of electrical forces, be deposited on the incrustation scale that forms by calcium, magnesium ion on the former negative pole, just come off automatically, discharge from sewage draining exit with current.
Preferably, described pulse electromagnetic field and DC electric field are produced by same group of electrode.
Perhaps as an alternative, described pulse electromagnetic field and DC electric field are produced by on the same group electrode not.
More preferably, described pulse electromagnetic field is the scanning frequency pulse electromagnetic field.
Optimally, described scanning frequency pulse electromagnetic field is produced by the scanning frequency pulse train of signal, and described scanning frequency pulse train of signal is the pulse with distinct pulse widths and frequency, and these pulses have different fundamental frequencies and second harmonic.
Preferably, described automatic pole changing circuit can regularly change the positive and negative electrode of described industrial circulating water sterilization algae removal apparatus for eliminating sludge.
Optimally, can set the cycle that described automatic pole changing circuit changes the positive and negative electrode of described industrial circulating water sterilization algae removal apparatus for eliminating sludge.
In addition, described industrial circulating water sterilization algae removal apparatus for eliminating sludge also comprises the blowdown pilot circuit, described blowdown pilot circuit regularly cuts out the power supply of described industrial circulating water sterilization algae removal apparatus for eliminating sludge, and opens the wash water valve blowdown of described industrial circulating water sterilization algae removal apparatus for eliminating sludge.
Preferably, behind the described industrial circulating water sterilization algae removal apparatus for eliminating sludge blowdown certain hour, described blowdown pilot circuit recovers the power supply of described industrial circulating water sterilization algae removal apparatus for eliminating sludge equipment, and closes described wash water valve.
Description of drawings:
Fig. 1 is the circuit block diagram according to industrial circulating water sterilization algae removal apparatus for eliminating sludge of the present utility model;
Fig. 2 is the scanning frequency pulse synoptic diagram;
Fig. 3 is the system schematic of the utility model industrial circulating water sterilization algae removal apparatus for eliminating sludge;
Fig. 4 is dull and stereotyped dentation electrode synoptic diagram;
Fig. 5 is a cylinder dentation electrode synoptic diagram;
The serve as reasons structural representation of the utility model industrial circulating water sterilization algae removal apparatus for eliminating sludge first embodiment that dull and stereotyped dentation electrode forms of Fig. 6;
Fig. 7 is the structural representation of the utility model industrial circulating water sterilization algae removal apparatus for eliminating sludge second embodiment of being made up of cylinder dentation electrode;
Fig. 8 is the schematic diagram of the utility model industrial circulating water sterilization algae removal apparatus for eliminating sludge automatic pole changing circuit.
Embodiment
Below in conjunction with accompanying drawing, preferred implementation of the present utility model is described.
Fig. 1 is the circuit block diagram of the utility model industrial circulating water sterilization algae removal apparatus for eliminating sludge.As shown in Figure 1: the industrial circulating water sterilization algae removal apparatus for eliminating sludge circuit that the utility model relates to is made up of power supply 100, control signal producer 200 and master loop 300.
Wherein power supply 100 is made up of DC constant current source 11, DC15V power supply 12 etc.
The working process of this industrial circulating water sterilization algae removal apparatus for eliminating sludge is as follows:
It is civilian that system inserts 220V, after the energising, sweep generator 1 generation amplitude is 15V, and frequency is the repetition zigzag wave of 100HZ, this zigzag wave is applied on the scanning frequency pulse producer 2, thereby produces as shown in Figure 2 pulse width L and the scanning frequency pulse string that all changes of period T.Above-mentioned scanning frequency pulse string is applied to the control end of switch circuit 5 after pulse amplifier 4 amplifies, switch circuit 5 outputs to output rating scanning frequency pulse string on the primary processor 6, and imports into to processed water, produces the scanning frequency pulse electromagnetic field in water.
In addition, according to according to fourier series:
A(t)＝A0+A1Sinωt+A2Sin2ωt+......+AnSinnωt+......
Individual pulse in the above-mentioned scanning frequency pulse string by direct current A0 and many times sinusoidal oscillation form.In these sinusoidal oscillations, the amplitude of fundamental frequency and second harmonic is higher.
As previously mentioned, the electrical signal that imports in the water is the scanning frequency pulse string, and the pulse of distinct pulse widths and frequency has different fundamental frequencies and second harmonic.Can reach a conclusion thus: acting on pending industry and the electrical signal in the domestic water simultaneously has direct current and multiple sinusoidal oscillation signal.
For the pending water that contains algae and bacterium, high-frequency signal (swept frequency range of scanning frequency pulse string is 4-25KHz) can make the cellular elements of algae or bacterium vibrate, cause cell wall rupture, cell content matter flocks together, and make algae and bacterium death, thereby reach the purpose of sterilization algae removal.
Pending water must have the bacterium and the algae of different varieties because the region is different with water quality.The bacterium of these different varietiess and algae have different susceptibility to the frequency of high-frequency signal.The utility model is owing to adopted scanning frequency pulse, be that the pulse signal frequency that signal generator produces is a continually varying, make that import signal spectrum in pending into distributes very widely, the high frequency component signal of various different frequencies is arranged, therefore can kill each bacterioid and algae in the pending water.
In the utility model, the positive pole of primary processor 6 is made of metallic aluminium, and the flip-flop in the scanning frequency pulse string will be to the effect of producing electrolysis of aluminium positive pole, and Xiang Shuizhong discharges aluminum ion.Aluminum ion is the fine flocculation agent, pending industry and the colloid in the domestic water, molecule there is the intensive throwing out, become larger particles sinking or come-up after can making the flocculation of pending industry and the colloid in the domestic water and molecule, after these bigger particles filter through strainers, be filtered that device is caught and discharge from sewage draining exit.Therefore, the utility model also has the function of purification of water quality except that the function with sterilization algae removal.
The utility model also is provided with " automatic pole changing circuit ", after native system work for some time (for example 100 hours), automatic pole changing circuit 9,10 starts, and the positive and negative electrode of primary processor 6, the auxilliary treater 7 of deionization exchanges, be that former positive pole becomes negative pole, former negative pole becomes positive pole.At this moment, owing to be subjected to the effect of electrical forces, the incrustation scale that is formed by calcium, magnesium ion that is deposited on the former negative pole will come off automatically, discharges from sewage draining exit with current.
And, can set the cycle that described automatic pole changing circuit changes the positive and negative electrode of industrial circulating water sterilization algae removal apparatus for eliminating sludge according to actual needs.
The working procedure of industrial circulating water sterilization algae removal apparatus for eliminating sludge of the present utility model and automatic pole changing circuit thereof is as follows:---------------------------blowdown that dirt comes off on the former negative pole that automatic pole changing circuit is exchanged positive and negative electrode of fouling on the negative pole of collecting calcium, magnesium ion on the negative pole of the auxilliary treater 7 of primary processor 6, deionization, thereby constantly collect scale forming matter again and again, be calcium, magnesium ion, therefore just can constantly collect calcium, magnesium ion in the water, and they are discharged from sewage draining exit.Therefore, the utility model can fundamentally reach the purpose of antiscale.
Fig. 3 is an industrial circulating water sterilization algae removal apparatus for eliminating sludge system schematic of the present utility model.As shown in Figure 3, the utility model industrial circulating water sterilization algae removal apparatus for eliminating sludge is constructed as follows:
Pending water flows into by suction culvert and water intaking valve 13, is pumped to industrial circulating water sterilization algae removal apparatus for eliminating sludge of the present utility model by pump 20 and handles.Industrial circulating water sterilization algae removal apparatus for eliminating sludge is made of the auxilliary treater 7 of main frame 400, primary processor 6 and deionization.Main frame 400 is exported and export direct currents to the auxilliary treater 7 of deionization to primary processor 6 output pulse outputs.The auxilliary treater 7 of primary processor 6 and deionization can place the pipeline of pending current warp, and the positive pole of primary processor 6 and deionization auxiliary processor 7 contacts with water with negative plate, and water is handled.Treated water is discharged through strainer 22 and outlet valve 14, and the dirt that filters out is discharged by catch basin 24 and wash water valve 15.
The purpose that the utility model is provided with auxilliary treater 7 of deionization and blowdown pilot circuit 8 is in order to prevent the metal ion pollution water body, to eliminate secondary pollution.
The positive pole of the auxilliary treater 7 of deionization is made with the nonexpendable material of electrolysis (for example carbon).During work, be connected with volts DS between positive and negative electrode, when the metal ion that has a positive charge is flowed through between the positive and negative electrode, will be caught by negative pole.
As Fig. 1 and 3, the effect of blowdown pilot circuit 8 is: regularly (for example every 2 hours), regularly to close the power supply of the auxilliary treater 7 of deionization (for example each 5 minutes), and close outlet valve 14, wash water valve 15 is opened, and device is carried out blowdown.After the blowdown 5 minutes, device recovers auxilliary treater 7 energisings of deionization again, and outlet valve 14 is opened the working order that wash water valve 15 cuts out.
Fig. 4 is dull and stereotyped dentation electrode synoptic diagram.
In Fig. 4, arrow Flow represents the pending water direction that flows, and promptly water right side from figure flows into industrial circulating water sterilization algae removal apparatus for eliminating sludge, flows out from the left side.Positive plate and negative plate all are contained in the pipeline 25 of pending current warp, pipeline 25 influent sides are equipped with and are used to change spoiler 18 and the homogenizing plate 19 that current distribute, under the effect of spoiler 18 and homogenizing plate 19, pending water flows through the zone between positive plate and the negative plate equably, thereby obtains handling.As shown in Figure 4, both two dull and stereotyped dentation positive poles can be placed the central position of pipeline 25, and two negative plates be placed the position of pipeline 25 tube walls; Also two dull and stereotyped dentation positive poles can be placed the position of pipeline 25 tube walls, and public negative plate be placed the central position of pipeline 25.In addition, can also be with pipeline 25 as negative pole, as shown in Fig. 5 and Fig. 7.
Fig. 5 is a cylinder dentation electrode synoptic diagram.
In Fig. 5, arrow Flow represents the pending water direction that flows, and promptly water right side from figure flows into industrial circulating water sterilization algae removal apparatus for eliminating sludge, flows out from the left side.Positive plate and negative plate all are contained in the pipeline 25 of pending current warp, and with similar among Fig. 4, pipeline 25 influent sides are equipped with and are used to change spoiler and the homogenizing plate (not shown) that current distribute.As shown in Figure 5, cylinder dentation positive pole places the central position of pipeline 25, and pipeline 25 is used as negative pole, and the anodal two ends of cylinder dentation are fixed on the tube wall of pipeline 25 by spoke-like insulation support 26 that several adopt erosion resisting insulation materials to make.Compare with the structure among Fig. 4, this layout has been saved extra negative plate, and structure is compact more.
The serve as reasons structural representation of the utility model industrial circulating water sterilization algae removal apparatus for eliminating sludge first embodiment that dull and stereotyped dentation electrode forms of Fig. 6.Fig. 7 is the structural representation of the utility model industrial circulating water sterilization algae removal apparatus for eliminating sludge second embodiment of being made up of cylinder dentation electrode.As shown in Fig. 6-7, industrial circulating water sterilization algae removal apparatus for eliminating sludge of the present utility model can be made modular processing unit, links to each other by the pipeline of flange 27 with the current warp, also can adopt a plurality of processing units to be connected in series, and increases processing power.This will become apparent to those skilled in the art that therefore not shown.
Preferred embodiment of the present utility model has been described above, has comprised in the industrial circulating water sterilization algae removal apparatus for eliminating sludge of Cai Yonging that promptly deionization assists treater 7.But, need to prove that the auxilliary treater of deionization is not the requisite part of the utility model.As an alternative, industrial circulating water sterilization algae removal apparatus for eliminating sludge of the present utility model can omit the auxilliary treater 7 of deionization, and only adopts primary processor 6.This also is conspicuous to those skilled in the art, and is therefore not shown.
In addition, the primary processor 6 that the utility model adopted can be exported the scanning frequency pulse electromagnetic field that does not contain DC component, this means that pending water can pass through scanning frequency pulse electromagnetic field and DC electric field successively.This also is conspicuous to those skilled in the art.Its principle and explanation no longer repeat herein.
Fig. 8 is the functional-block diagram of the utility model industrial circulating water sterilization algae removal apparatus for eliminating sludge automatic pole changing circuit.
As shown in Figure 8, be example with the automatic change poles of primary processor 6, the working process of " automatic pole changing circuit " is described
1, system connects power supply, and AC220V begins power supply, because the normally closed electric shock Tk2 connection of time relay T2, so T1 picks up counting.At this moment, relay J 1 line Bao Wudian, two normally closed contact JK1-12, the JK1-22 of J1 connect, and primary processor 6 is in normal operating conditions.
2, time (for example 100H) of setting of T1 arrives, and TK1 connects, the J1 energising, and normally closed contact JK1-12, JK1-22 disconnect, and contact JK1-11, JK1-21 connect, the discharge that comes off of primary processor 6 change poles, the incrustation scale on the former negative pole.Simultaneously, the T2 energising picks up counting.
3, the time of T2 setting arrives (for example 10min), and TK2 disconnects, the T1 outage, and TK1 disconnects, and T2 cuts off the power supply, the TK2 connection, pole changing circuit resets.
The automatic pole changing circuit principle of the auxilliary treater 7 of deionization is all similar to the automatic pole changing circuit of primary processor 6 with formation, therefore no longer repeats.
Claims (9)
1, a kind of industrial circulating water sterilization algae removal apparatus for eliminating sludge, this industrial circulating water sterilization algae removal apparatus for eliminating sludge is by power supply (100), control signal producer (200) and master loop (300) are formed, it is characterized in that scanning frequency pulse signal that described control signal producer (200) produces inputs to the primary processor (6) in the described master loop (300), described primary processor (6) produces DC electric field and scanning frequency pulse electromagnetic field simultaneously, the pipeline that described primary processor (6) places industrial circulating water to flow through, the electrode of described primary processor (6) directly contacts with industrial circulating water, and it is handled.
2, industrial circulating water sterilization algae removal apparatus for eliminating sludge as claimed in claim 1 is characterized in that described scanning frequency pulse electromagnetic field and DC electric field are produced by same group of electrode.
3, industrial circulating water sterilization algae removal apparatus for eliminating sludge as claimed in claim 1 is characterized in that described scanning frequency pulse electromagnetic field and DC electric field are produced by on the same group electrode not.
4, as claim 2 or 3 described industrial circulating water sterilization algae removal apparatus for eliminating sludge, it is characterized in that the electrode of described primary processor (6) adopts claw pole, described claw pole surface has outstanding tooth.
5, industrial circulating water sterilization algae removal apparatus for eliminating sludge as claimed in claim 4 is characterized in that described scanning frequency pulse signal is the pulse with distinct pulse widths and frequency, and these pulses have different fundamental frequencies and second harmonic.
6, industrial circulating water sterilization algae removal apparatus for eliminating sludge as claimed in claim 1, it is characterized in that described master loop (300) comprises that also deionization assists treater (7), it is in parallel with described primary processor (6) that described deionization is assisted treater (7), and described deionization is assisted the pipeline that treater (7) also places industrial circulating water to flow through, the electrode that described deionization is assisted treater (7) directly contacts with industrial circulating water, removes the metal ion in the water.
7, industrial circulating water sterilization algae removal apparatus for eliminating sludge as claimed in claim 6 is characterized in that described deionization assists the electrode of treater (7) and adopt claw pole, and described claw pole surface has outstanding tooth.
8, industrial circulating water sterilization algae removal apparatus for eliminating sludge as claimed in claim 1, it is characterized in that also being connected with in the described master loop (300) automatic pole changing circuit (9,10), described automatic pole changing circuit (9,10) can regularly change the positive and negative electrode of described primary processor (6) and the auxilliary treater (7) of described deionization.
9, industrial circulating water sterilization algae removal apparatus for eliminating sludge as claimed in claim 8 is characterized in that setting the timing cycle that described automatic pole changing circuit changes positive and negative electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820135486XU CN201325899Y (en) | 2008-10-16 | 2008-10-16 | Sterilization and algae and scale removal device for industrial circulating water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820135486XU CN201325899Y (en) | 2008-10-16 | 2008-10-16 | Sterilization and algae and scale removal device for industrial circulating water |
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| Publication Number | Publication Date |
|---|---|
| CN201325899Y true CN201325899Y (en) | 2009-10-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820135486XU Expired - Fee Related CN201325899Y (en) | 2008-10-16 | 2008-10-16 | Sterilization and algae and scale removal device for industrial circulating water |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103101996A (en) * | 2011-11-15 | 2013-05-15 | 张树森 | Technology for removing and stopping algae for ship taking solar energy as power |
| CN103159303A (en) * | 2013-04-09 | 2013-06-19 | 苏州市东宏环保科技有限公司 | Water treatment device |
| CN103864255A (en) * | 2014-02-10 | 2014-06-18 | 宁波市镇海捷登应用技术研究所 | Method for treating river water by using electronic frequency-sweeping water treatment equipment |
| CN107098446A (en) * | 2017-06-09 | 2017-08-29 | 北京中创龙源环保科技有限公司 | A kind of magnetic adsorption type water treatment facilities |
| CN107935205A (en) * | 2017-12-29 | 2018-04-20 | 上海金自天正信息技术有限公司 | Matrix form ion kinetic energy scaler system and method |
| US10800680B2 (en) | 2017-10-30 | 2020-10-13 | Jon A. Engle | Method for electromagnetic fluid treatment utilizing frequencies and harmonics |
| CN112978876A (en) * | 2019-12-17 | 2021-06-18 | 中国石油天然气集团有限公司 | Electrochemical sterilization treatment device and method for volume fracturing waste liquid |
-
2008
- 2008-10-16 CN CNU200820135486XU patent/CN201325899Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103101996A (en) * | 2011-11-15 | 2013-05-15 | 张树森 | Technology for removing and stopping algae for ship taking solar energy as power |
| CN103159303A (en) * | 2013-04-09 | 2013-06-19 | 苏州市东宏环保科技有限公司 | Water treatment device |
| CN103864255A (en) * | 2014-02-10 | 2014-06-18 | 宁波市镇海捷登应用技术研究所 | Method for treating river water by using electronic frequency-sweeping water treatment equipment |
| CN107098446A (en) * | 2017-06-09 | 2017-08-29 | 北京中创龙源环保科技有限公司 | A kind of magnetic adsorption type water treatment facilities |
| CN107098446B (en) * | 2017-06-09 | 2023-08-29 | 北京中之源节能科技有限公司 | Magnetic adsorption type water treatment device |
| US10800680B2 (en) | 2017-10-30 | 2020-10-13 | Jon A. Engle | Method for electromagnetic fluid treatment utilizing frequencies and harmonics |
| CN107935205A (en) * | 2017-12-29 | 2018-04-20 | 上海金自天正信息技术有限公司 | Matrix form ion kinetic energy scaler system and method |
| CN112978876A (en) * | 2019-12-17 | 2021-06-18 | 中国石油天然气集团有限公司 | Electrochemical sterilization treatment device and method for volume fracturing waste liquid |
| CN112978876B (en) * | 2019-12-17 | 2023-02-07 | 中国石油天然气集团有限公司 | Electrochemical sterilization treatment device and method for volume fracturing waste liquid |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091014 Termination date: 20131016 |