98 results about "Electrocoagulation" patented technology

The invention discloses a dynamic test method and system for tissue frequency domain impedance characteristics, and belongs to the technical field of medical detection. The system comprises an energy generator, a bipolar scalpel, a signal generator, a radio frequency power amplifier module, a control unit, two loop switches, a sampling probe and a test unit. An electrode of the bipolar scalpel is used for being in contact with a biological tissue to be subjected to frequency domain impedance characteristic testing; the energy generator is connected with the first loop switch and is used for outputting an electric resection / electrocoagulation signal to the biological tissue so as to dynamically reproduce the state change of the biological tissue; and the signal generator inputs a broadband excitation voltage signal to the biological tissue through the radio frequency power amplifier module and the second loop switch. The control unit is used for coordinating on-off of the two loop switches. The sampling probe is used for collecting voltage and current signals of the double electrodes in real time and feeding back the signals to the testing unit. The test unit generates a real-time impedance characteristic spectrogram of the biological tissue along with frequency change. The tissue impedance change can be monitored on line in real time.

The utility model discloses an electrocoagulation device which comprises a cylinder body, a mounting rack, a pole plate assembly, a driving assembly and a self-floating tank, the pole plate assembly comprises cathode plates and anode plates which are mounted on the mounting rack in a staggered manner, through holes are respectively formed in the left side of each cathode plate and the right side of each anode plate, and mounting holes are formed in the middles of the cathode plates and the anode plates; the cylinder is provided with a water inlet pipe, a top cover with a water outlet pipe and a pair of conducting strips A. The tail end of the water outlet pipe is communicated with the self-floating groove. A driving assembly is mounted in the middle of the top cover; the mounting frame is detachably mounted in the barrel, a conductive assembly matched with the conductive sheet A is arranged on the mounting frame, a rotating rod with the diameter smaller than that of the mounting hole is rotationally mounted in the middle of the mounting frame, a cleaning brush is detachably arranged on the outer side of the rotating rod, and the rotating rod is detachably connected with the driving assembly. The cleaning brush disclosed by the utility model is used for removing dirt on the surface of the polar plate, preventing sludge accumulation, reducing power consumption and polar plate abrasion, reducing maintenance difficulty and downtime, and improving wastewater treatment efficiency by virtue of an optimized water flow path.

The application discloses a kind of respiratory dust separation devices based on electrocoagulation, including horizontal pipeline and detection pipeline, detection pipeline is installed in horizontal pipeline right end pipe orifice position, electrocoagulation flow guide separation structure is installed in horizontal pipeline, detection pipeline is installed with detection separation circulation structure, the dust leakage opening of the lower wall surface of the connection of horizontal pipeline and detection pipeline is opened, bag filter structure is installed below dust leakage opening;The application relates to the field of respiratory dust separation technology, solves the accumulation of the existing respiratory dust separation equipment with the increase of working time, needs to be cleaned frequently, the persistence is poor, needs to be maintained by staff to its separation structure, the efficiency is lower, and operation is more complicated.

An electrode assembly comprising a hollow electrode comprising a cavity, a casing that encompasses the hollow electrode, a rod electrode in the cavity of the hollow electrode, a hollow electrode electrical connection in the casing, a rod electrode electrical connection in the casing, wherein the casing comprises a fluid inlet and a fluid outlet in fluidic communication via the cavity of the hollow electrode.

The present application belongs to the technical field of water treatment, and discloses a water treatment method and system adopting unidirectional pulse high-voltage electric field discharge oxidation, alternating current electric field fixed spiral wing fin static disturbance electric field microflocculation, conventional magnetic field separation, and anaerobic reduction reaction. A pressurizing water pump is installed in series at the outlet of a water source, and the treated water enters the unidirectional pulse high-voltage electric field discharge oxidation device, the alternating current electric field fixed spiral wing fin static disturbance microflocculation device, and the magnetic separation device in sequence through pressurization, and then enters the conical bottom anaerobic reduction reaction water tank, and is supplied to the user after pressurization by the outlet pressurizing pump; when the magnetic separation device is saturated, the backwashing process is started, the backwashing adopts steam-water backwashing, the backwashing sewage enters the conical bottom anaerobic reduction reaction water tank, a backflow submersible metering pump is arranged at the upper half of the water tank, the outlet of the metering pump is connected to the water inlet of the unidirectional pulse high-voltage electric field discharge oxidation device and is provided with an electromagnetic valve, and is used for strengthening the oxidation microflocculation again, thereby saving the cost of the traditional process by 50-80%.

The present invention is used in the technical field of wastewater treatment. Disclosed is a modular integrated electrolysis-electrocoagulation wastewater treatment system. The wastewater treatment system comprises a C module, an A module, a B module, an S module, and an F module. In the modular integrated electrolysis-electrocoagulation wastewater treatment system, when treating different types of wastewater, a plurality of treatment modules are combined and installed in a specific sequence, and when conductive electrode plates are energized, pollutants in the water undergo redox reactions, so that the pollutants in the wastewater can react with different metal ions to form flocs, and the flocs precipitate out. For different types of wastewater, the same types of treatment modules are used but are installed in different sequences. Provided is a working mode in which the treatment sequence varies for different types of pollutants, so that some pollutants that are initially non-reactive with a specified module can react with the specified module after undergoing electrolysis or electrocoagulation reactions with other modules, thereby achieving a better treatment effect.

The application discloses an electric coagulation device with a flushing function. The electric coagulation device comprises an operating handle, a mounting pipe and an electric coagulation hook. One end of the mounting pipe is connected to the operating handle, and the electric coagulation hook is arranged on the mounting pipe and away from the one end of the operating handle. A suction mechanism is arranged in the operating handle, and the suction mechanism comprises a first valve body and a second valve body which are sleeved, and a first driving knob. The first valve body has a first cavity, and the mounting pipe is in communication with the first cavity. A first channel and a second channel are arranged on the side wall of the first valve body. The second valve body is inserted into the first valve body, and the second valve body has a first through hole for butt joint of the first channel. The first driving knob is connected to the second valve body to drive the second valve body to move relative to the first valve body, so as to control whether the first through hole is butt joint with the first channel, and whether the first channel is in communication with the first cavity. The knob part of the first driving knob extends to the side wall of the operating handle.

This invention discloses an apparatus and process for removing hexavalent chromium ions from water, comprising: a positive electrode reaction chamber, a negative electrode reaction chamber, an electrocoagulation reaction chamber, and a sedimentation tank. The positive electrode reaction chamber contains graphite plates A and B, and is filled with brine. The negative electrode reaction chamber contains porous carbon material, with a sponge-structured graphite plate connected to the negative electrode of a DC power supply. Graphite plate C is laid flat at the bottom of the negative electrode reaction chamber and connected to graphite plate B. A buffer zone is connected to the electrocoagulation reaction chamber, which contains an array of iron electrodes. The iron electrodes at the two edges of the array are connected to the positive and negative electrodes of a second DC power supply. The bottom of the electrocoagulation reaction chamber is connected to the sedimentation tank. This invention requires only electricity and a small amount of iron to remove hexavalent chromium ions from water, significantly reducing the use of reducing agents, chemicals, acids, and alkalis in traditional hexavalent chromium treatment processes, and producing effluent with a salt content far lower than that of traditional treatment processes.

The present invention relates to a system or method for the remediation of wastewater with a treatment media in tandem with an electrocoagulation system. The system and method also include cleaning elements for cleaning distribution lines within the system and for cleaning the electrocoagulation system.

The invention relates to the technical field of medical instruments, in particular to an attractable electrocoagulation and electroresection electrosurgical pencil. Comprising a scalpel head assembly, an electrode assembly, a suction assembly and a handle assembly, the electrode assembly comprises a control panel and an electrode tube, the control panel is integrated in the handle assembly, a control button is further arranged on the handle assembly, and the electrode tube is arranged in the handle assembly and extends in the axial direction of the handle assembly. The extending end of the electrode tube is the working end of the handle assembly, the tool bit assembly is detachably connected to the extending end of the electrode tube, and the suction assembly is arranged at the non-working end of the handle assembly and communicated with the electrode tube through a suction pipeline. The control panel is connected with a power line, the electrode assembly is electrically connected with an external electrotome main machine through the power line, and the electrode tube is communicated with an external negative pressure suction device through a suction pipeline. The device can realize efficient electrocoagulation and electroresection, and also has excellent anti-clogging characteristic.

The utility model relates to the technical field of electric coagulation haemostatic forceps, and discloses a miniature electric coagulation haemostatic forceps for animal test surgery, which comprises two connecting rods, the left sides of the two connecting rods are fixedly connected with extension rods, the exteriors of the two extension rods are connected with sliding sleeves in a sliding manner, elastic assemblies are arranged in the extension rods, and the elastic assemblies are connected with the sliding sleeves in a sliding manner. A sliding groove is formed in the left side of the interior of the extension rod, a hemisphere is fixedly connected to the bottom of the elastic assembly, a plurality of clamping grooves are formed in the bottom side of the interior of the sliding sleeve, an outer clamp body is fixedly connected to the left side of one connecting rod, and an inner clamp body is fixedly connected to the left side of the other connecting rod. According to the haemostatic forceps, after the hemisphere moves to the designated clamping groove position, the spring releases elastic potential energy, the hemisphere is pushed to reset and be clamped in the clamping groove in the bottom of the sliding sleeve, and therefore the length of the haemostatic forceps is locked. The length of the hemostatic forceps can be flexibly adjusted according to the requirements of different operation scenes, and a doctor can operate and use the hemostatic forceps conveniently.

This application relates to the field of solid waste resource utilization technology, specifically disclosing a method for synthesizing lithium iron phosphate based on sludge incineration ash through electrocoagulation-lithiation. The method involves leaching sludge incineration ash with dilute sulfuric acid to obtain a phosphate-containing acid leachate, followed by purification with a cation exchange resin to remove multivalent metal impurities. Using the purified phosphate solution as the base electrolyte, a lithium source, electrolyte, and organic carbon source are added, and the pH is adjusted. An iron plate is used as the anode and an inert electrode as the cathode for electrocoagulation. Fe²⁺ dissolved at the anode co-precipitates with PO₄³⁻ and Li⁺ in the solution to form a LiFePO₄ precursor slurry. Finally, solid-liquid separation, washing, drying, and programmed temperature sintering are performed to obtain a carbon-coated lithium iron phosphate composite material. This application has the advantage of achieving high-value utilization of sludge incineration ash.

The invention discloses a nerve monitoring condensable and cuttable electrode and an electrocoagulation operation system. The nerve monitoring condensable and cuttable electrode comprises a handle shell, a condensable and cuttable high-frequency operation electrode assembly, a nerve detection electrode assembly and a driving control mechanism, wherein the condensable and cuttable high-frequency operation electrode assembly and the nerve detection electrode assembly are arranged in the handle shell. The driving control mechanism comprises an external operation part and an internal transmission assembly, and the external operation part is in transmission connection with the two electrode assemblies through the internal transmission assembly. When the external operating part moves towards a first direction, the high-frequency operation electrode assembly is driven to extend out and the nerve detection electrode assembly is synchronously driven to retract; otherwise, the nerve detection electrode assembly is driven to stretch out, and the high-frequency operation electrode assembly is synchronously driven to retract. Reverse linkage and physical mutual exclusion of the two electrodes are achieved through the internal transmission assembly, it is ensured that only one functional head is located at the working position at the same time, and the risk that due to the fact that the two electrodes stretch out at the same time, mutual interference of different energies and accidental touch of non-target tissue are possibly caused in the operation process is avoided.

The utility model belongs to the technical field of medical equipment, and particularly relates to an electrocoagulation forceps head with a multi-layer structure. In order to solve the problems that in the prior art, an electric coagulation forceps head is prone to electric leakage, and an electrode slice is prone to falling off, the utility model provides an electric coagulation forceps head of a multilayer structure, which comprises a pair of symmetrical forceps head parts hinged to each other at one end, and each forceps head part comprises a forceps head framework, an insulating connecting seat and an electrode slice, the insulating connecting seat is connected with the tong head framework and the electrode plate; the wire penetrates through the clamp head framework and is fixedly connected with the side, close to the clamp head framework, of the electrode plate through the insulating connecting seat, and an injection molding space is formed among the clamp head framework, the insulating connecting seat and the wire. The injection molding space can integrally form the insulating base through injection molding under the limiting cooperation of an external mold, so that the electrode plates and one part of the wire form a whole, the overall strength of the structure and the insulativity of a non-working area are improved, and the risk of accidental burning in an operation is reduced.

The utility model discloses an electrocoagulation air floatation device for cosmetic wastewater, which relates to the technical field of wastewater treatment and comprises two side plates which are vertically mounted at the upper ends of two opposite side walls of the electrocoagulation air floatation device respectively. Second electrode plates are horizontally mounted on the side walls, close to the scum discharge end of the electrocoagulation air flotation equipment, of the two side plates, the polarities of the two second electrode plates are opposite, and a plurality of rotating rods are arranged between the two side plates on the sides, away from the scum discharge end of the electrocoagulation air flotation equipment, of the second electrode plates; and rotating rollers are installed on the side walls, close to the side plates, of the rotating rods, the rotating rollers on the same side are sleeved with a belt, and the belt is provided with a suction conveying mechanism. According to the utility model, the first electrode plate and the second electrode plate are arranged above the electrocoagulation air floatation equipment, so that bubbles and impurities with charges in the electrocoagulation air floatation equipment quickly float upwards according to the principle that opposite poles attract each other, the dosage is reduced, and the treatment effect is improved.

The application discloses a nerve monitoring coagulation and incision electrode and an electrocoagulation operation system. The nerve monitoring coagulation and incision electrode comprises a handle shell, a coagulation and incision high-frequency operation electrode assembly and a nerve detection electrode assembly arranged in the handle shell, and a driving control mechanism. The driving control mechanism comprises external operating parts and an internal transmission assembly. The external operating parts are respectively in transmission connection with the two electrode assemblies through the internal transmission assembly. When the external operating parts move in a first direction, the high-frequency operation electrode assembly is driven to extend and the nerve detection electrode assembly is synchronously driven to retract. Conversely, the nerve detection electrode assembly is driven to extend and the high-frequency operation electrode assembly is synchronously driven to retract. The application realizes reverse linkage and physical mutual exclusion of the two electrodes through the internal transmission assembly, ensures that only one functional head is in a working position at the same time, and avoids the risk of possible mutual interference of different energies and mis-touching of non-target tissues in the operation process caused by the extension of the two electrodes at the same time.

The invention discloses a low-temperature plasma electrode used under a soft endoscope, and belongs to the technical field of medical instruments, the low-temperature plasma electrode comprises a first electrode assembly, first insulating ceramic and a first loop electrode, a plurality of first grooves are uniformly formed in the outer circumference of the front end of a first working electrode, and a working electrode cavity is formed in the rear end of the first working electrode in the length direction of the first working electrode; a working electrode cable is welded and fixed in the working electrode cavity, the working electrode cable extends in the direction deviating from the first working electrode, and the loop electrode cable extends in the direction deviating from the first working electrode. By means of parameter design of a first groove and a second groove in the first working electrode and the first loop electrode and a second groove in the second working electrode and the second loop electrode, low-temperature cutting, ablation, gasification and electrocoagulation of human tissue under the soft endoscope are achieved, the surgical operation temperature is low, the tissue solidification layer can be controlled within 2mm, and the operation efficiency is high. And the problems of tissue carbonization and too deep electrocoagulation depth caused by high temperature of the existing electrode are effectively avoided.

A liquid treatment unit removes particulate matter and colloids from a liquid, as found in waste water on mines, on construction sites and on heavy industry sites. The liquid treatment unit includes an electrocoagulation unit and a cyclonic separator unit. The liquid to be treated is first subject to electrocoagulation and then fed into the cyclonic separator unit. The cyclonic separator unit guides the electrocoagulated liquid in a circular path downwardly from an outer perimeter to move underneath a skirt and then upwardly and inwardly towards a central outlet located at the top of the cyclonic separator. Floating particles are skimmed from the surface outside of the skirt. In moving to the outlet, the liquid passes through a plurality of nested frusto-conical guide members. An ultrasonic transducer is used to collapse bubbles formed by electrocoagulation, and to clean the electrocoagulation electrodes.

This application relates to the field of electrocoagulation hemostasis devices, and more particularly to a control method, apparatus, and medium for an integrated irrigation and rinsing electrocoagulation device. The method includes: responding to an electrocoagulation start signal, acquiring first and second feedback parameters of the integrated electrocoagulation and rinsing module via a feedback signal acquisition module; determining the contact state between the electrocoagulation component electrodes and tissue based on the first feedback parameters, including ineffective and effective contact states; in the effective contact state, performing a stage determination on the electrocoagulation process to obtain a stage determination result; determining first control parameters of the electrocoagulation component based on the stage determination result; determining the obstruction type based on the second feedback parameters; and selecting a cleaning mode corresponding to the obstruction type to perform cleaning operations on the rinsing and suction components. This method achieves coordinated control between electrocoagulation, suction, and rinsing during surgery using an integrated irrigation and rinsing electrocoagulation device, simultaneously meeting the requirements of electrocoagulation hemostasis and maintaining the surgical field of vision.

The application discloses a hand-controlled electrode instrument with flushing and suction functions, and relates to the technical field of electrode instruments, which comprises a handle and an adapter pipe base. The handle is fixed with a hollow pliers rod at the top, and the pliers rod is provided with an electrode head at the end far from the handle. The adapter pipe base is provided with three ports, one of which is matched with the pliers rod through an end sleeve, and the other two ports are connected with a flushing pipe and a suction pipe respectively. The end portions of the flushing pipe and the suction pipe extend to the outside of the handle, and are respectively provided with a flushing pipe joint and a suction pipe joint. The handle is further provided with a flushing button for turning on or off the flushing pipe, and a suction button for turning on or off the suction pipe. The hand-controlled electrode instrument with flushing and suction functions is convenient for electrocoagulation and electrocision, and can quickly switch to realize the flushing and liquid suction functions of the operation site, so that the replacement of instruments during operation is avoided, and the risk of bleeding is reduced.

The invention discloses a system and method for testing the working temperature of an energy generator, and belongs to the field of medical instruments. The system comprises an energy generator to be tested, a temperature measuring device and a thermocouple device, wherein the energy generator comprises a plasma electric cutting ring and a power supply module. The power supply module is used for emitting radio frequency electric energy to the plasma electric resection ring, and the plasma electric resection ring is driven by the radio frequency electric energy to perform electric resection or electric coagulation operation on a biological tissue sample in normal saline; the thermocouple device is rigidly fixed with the plasma electric resection ring through a clamp, the thermocouple device is used for sensing the real-time temperature change of the plasma electric resection ring, generating a temperature sensing signal and transmitting the temperature sensing signal to the temperature measuring device, and the temperature measuring device obtains the working temperature of the plasma electric resection ring in real time according to the temperature sensing signal. According to the invention, reliable and safe on-line monitoring of the working temperature of the energy generator under the real electric resection / electric coagulation working condition is realized.

The utility model discloses an electrocoagulation hook with a suction function. The electrocoagulation hook comprises a handle, the front end of the handle is connected with a sleeve, an installation cavity and a suction cavity are formed in the sleeve, an electrocoagulation hook is arranged in the installation cavity, and a sliding way is formed in one side of the installation cavity; a pushing assembly is slidably mounted on the slide way, drives the electrocoagulation hook to extend out of and retract into the mounting cavity, and is fixedly connected with the tail end of the electrocoagulation hook; the negative pressure suction device is communicated with the suction cavity, the negative pressure suction device is additionally arranged on the electrocoagulation hook, during use, the push-pull assembly pulls the electrocoagulation hook back to the mounting cavity, the negative pressure suction device is started to suck smoke and tissue seepage, and it is guaranteed that the surgical field is clear.

This invention belongs to the field of fracturing flowback fluid treatment technology, and discloses a method and system for treating fracturing flowback fluid. The system includes a fracturing flowback fluid inlet pipeline, a pretreatment tank, a micron-sized aerated water pump device, an air storage tank, an air flotation cyclone separator, a metal membrane electrocoagulation device, a vacuum storage tank, and a two-stage DTL membrane treatment device. This invention achieves the treatment and reuse of fracturing flowback fluid through a combined process of pretreatment + air flotation cyclone treatment + metal membrane electrocoagulation treatment + DTL membrane treatment.

The invention belongs to the technical field of sewage treatment, and particularly relates to an anti-scaling composite electrode plate, application of the anti-scaling composite electrode plate in wastewater treatment and electric flocculation oxidation reaction equipment, the anti-scaling composite electrode plate comprises an anode plate and a cathode plate, the outer surface of the anode plate and the outer surface of the cathode plate are evenly coated with anti-scaling coatings, and the anti-scaling coatings are arranged on the outer surface of the anode plate and the outer surface of the cathode plate. The anti-scaling coating is a polytetrafluoroethylene-silicon dioxide mixed coating, and the polytetrafluoroethylene-silicon dioxide mixed coating is prepared by taking polytetrafluoroethylene as a matrix and silicon dioxide as an inorganic filler through a film forming process. Through the structural design of the anti-scaling composite electrode plate, the application of the anti-scaling coating and the adaptation of the low-voltage pulse power supply, the scaling problem of the existing electric flocculation oxidation equipment is fundamentally solved, the efficiency, the service life and the improvement cost are considered at the same time, and the anti-scaling composite electrode plate has remarkable practical value and popularization prospect.

A method of treating contaminated water with organic contaminants and metal species is disclosed. The method includes agglomerating the organic contaminants and the metal species to produce solids, separating the solids, and electrochemically treating the water. Methods including directing contaminated water to an electrocoagulation cell, a solid-liquid separator, and an electrooxidation cell are also disclosed. A system for recovering metals from battery treatment water is also disclosed. The system comprises an electrocoagulation cell, a solid-liquid separator and an electrooxidation cell.

1. The name of the design product: the head of electrocoagulation forceps. 2. The use of the design product: as a head of electrocoagulation forceps. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1. 5. The left view and the right view of the design product are not easy to see or cannot be seen when in use, so the left view and the right view are omitted.

The invention relates to an electrocoagulation hook robot for minimally invasive laparoscopic surgery. The electrocoagulation hook robot comprises an end effector, a guide rod assembly and a transmission part, the end effector comprises a mounting base, a Hooke hinge, an electrocoagulation hook, an electrocoagulation hook insulating seat and a monopole wire; the transmission part comprises a rack and four reels, traction steel wire ropes are wound on the four reels respectively, and the four traction steel wire ropes are connected with the upper left part, the lower left part, the upper right part and the lower right part of the electrocoagulation hook insulating seat; and the four reels rotate to cause tensioning and loosening of the traction steel wire rope, so that the electric coagulation hook is driven to do pitching and yawing motion. The end effector adopts a Hooke hinge series structure and a linear driving mode, so that the electrocoagulation hook can perform pitching and yawing movement in a hemispherical space, and the flexibility and the working space of the end effector are remarkably improved; a trackball module is adopted to drive a micro-miniature direct-current brushless motor equipped with a Hall sensor, so that a doctor is helped to control an instrument in a relatively light and harmonious manner by fingers.

The invention belongs to the technical field of sewage treatment, and particularly relates to an electrochemical-double-membrane treatment system and method for oily wastewater of a transformer substation. The electrochemical-double-membrane treatment system is composed of an electrochemical pretreatment unit and a double-membrane deep treatment unit which are connected in sequence. The electrochemical pretreatment unit consists of an electric flocculation module and an electrooxidation module which are connected in sequence; the double-membrane advanced treatment unit consists of an ultrafiltration module and a nanofiltration module which are connected in sequence. By optimizing parameters such as an electrode material, current density and medicament addition and combining with an iron ion valence regulation mechanism, efficient demulsification, oil-water separation and pollutant degradation are realized; the double-membrane unit further ensures the effluent quality, so that the petroleum pollutants and CODlt in the final effluent are not detected; 10 mg / L, and lt of ammonia nitrogen; the concentration is 3 mg / L, and the high-standard recycling and discharging requirements are met.

A water treatment system comprises a source of water including one or more contaminants, an electrocoagulation cell including a housing defining a fluid flow conduit, an anode disposed within the fluid flow conduit, and a cathode disposed within the fluid flow conduit, the housing including an inlet fluidly connectable to the source of water and an outlet, a solids / liquid separation system having an inlet fluidly connectable to the outlet of the housing of the electrocoagulation cell, a solids-rich outlet, and a solids-lean outlet, and a ballast feed system configured to deliver a ballast to the solids / liquid separation system.