239 results about "Electrocoagulation" patented technology

The invention relates to the technical field of medical instruments, and provides electric coagulation forceps with an intraoperative nerve detection function and a control method for the electric coagulation forceps to automatically switch a nerve stimulation function and an electric coagulation function, and the electric coagulation forceps comprise a high-frequency excitation identification circuit, a controller and a nerve monitoring switching circuit. The high-frequency excitation identification circuit is used for generating a corresponding induction signal according to whether the high-frequency excitation signal is detected; the controller generates a first control signal, starts timing and determines target delay time after determining that the electrocoagulation cutting function of the pair of electrocoagulation forceps is converted from an on state to an off state according to the induction signal, and generates a first prompt signal to indicate the prompt device to generate first prompt information after the timing time reaches the target delay time; the user is prompted; the nerve monitoring switching circuit is used for responding to the first control signal and outputting a nerve stimulation signal of the nerve monitor through the forceps tips, so that the nerve tissue damage probability is reduced while automatic function switching is achieved.

The invention provides a method for removing arsenic in water through sacrificial iron anode electrocoagulation, and belongs to the technical field of feed water treatment. According to the method for removing arsenic in water through sacrificial iron anode electrocoagulation, arsenic-containing underground water is electrolyzed through electrocoagulation treatment, an iron sheet serves as an anode in the electrocoagulation treatment, a sodium sulfate solution serves as electrolyte, and arsenic in water is removed after electrolysis is finished. The current of the electrocoagulation treatment is 5-10 mA, the treatment time is 8-15 min, and the concentration of the sodium sulfate solution is 5-20 mM. According to the invention, an electric coagulation technology is adopted, ferrous iron is generated by electrolysis of an iron anode to promote oxidation of arsenite and adsorption of arsenic on iron precipitates, so that the purpose of separating arsenic from water is achieved, and the method has the advantages of high treatment efficiency, environmental friendliness, flexibility, controllability and the like.

The utility model belongs to the technical field of medical instruments, and discloses a foot-controlled electric hook with a bendable hook rod. The foot-controlled electric hook comprises a hook head part, a functional tube and a handle which are connected in sequence, the hook head part, the driving elastic sheet, the driving inner rod, the driving inner rod positioning piece and the power line are electrically connected in sequence to form a loop; the hook head part, the metal snake bone, the outer pipe, the outer pipe sliding bracket, the driving inner rod positioning piece and the power line are electrically connected in sequence to form another loop; the hook head part is divided into a hook head base and a hook head. The alloy steel hook head can prevent scabbing and adhesion during electric coagulation operation, and the unique design of the hook head ensures the cutting efficiency. An ergonomic handle and an umbrella handle type handle can be fully held, the holding angle of the handle can be flexibly and freely adjusted, then the orientation of the hook head is adjusted, holding is more sufficient, and operation is more accurate. The bending structure of the metal snake bone enables the hook rod to be bent more stably. Foot-controlled electrocoagulation and electroresection are realized, and a fixed degree of freedom of a rotatable angle during key operation is liberated.

The present invention relates to the technical field of electrocoagulation cutting instruments, and in particular, to a handheld pressure-adjustable irrigation and suctioning electrocoagulation cutting instrument, comprising: a connecting rod, wherein an irrigation channel and a suctioning channel are spaced in the connecting rod; a cutting head is disposed at the left end of the connecting rod; a suctioning port communicated with the suctioning channel is formed in the cutting head; the head end of the irrigation channel penetrates through the left end of the connecting rod; a connector is disposed at the right end of the connecting rod; a mechanical conveying mechanism for conveying tissue debris cut by the electrocoagulation cutting instrument from the tail end of the suctioning channel to a middle way of the connector is disposed on the connecting rod; the front way and the rear way of the connector are respectively provided with an irrigation connector and a suctioning connector; a partition block for partitioning the front way from the other two ways is disposed in the connector; a regulating valve communicated with the tail end of the irrigation channel is disposed at the middle of the connecting rod; a transfer pipe is disposed between the regulating valve and the front way of the connector. The present invention provides an electrocoagulation cutting instrument capable of avoiding pipe blockage and achieving a good cleaning effect.

The invention relates to the technical field of medical instruments, and discloses a surgical hemostasis device with a protection function, which comprises a shell, a mounting table arranged in the shell, a storage battery, an electrocoagulation head and a battery cap arranged at the two ends of the shell, and a control assembly arranged in the shell and used for controlling the folding and unfolding state of the mounting table, the ultraviolet lamp is arranged on the outer side of the mounting table and used for creating a sterile environment for the electrocoagulation head, and the conductive assembly is arranged in the shell and used for controlling the electrocoagulation head and the ultraviolet lamp to be stably started and stopped. According to the surgical hemostasis device with the protection function, by arranging the control assembly, when the device is used, the shell is placed upside down, the sliding insertion rod and the mounting table slide towards the direction of the storage battery, the clamping bolt loses the locking effect, the mounting table slides along the guide pipe, and the electrocoagulation head is contained in the shell, so that the electrocoagulation head possibly having high temperature is shielded, and the hemostasis effect is improved. The possibility that medical workers or patients are scalded due to mistaken touch is avoided, and the use safety of equipment is improved.

The present invention relates to the technical field of electrocoagulation cutters, and in particular, to a manual control handheld pressure-adjustable irrigation and suction electrocoagulation cutter, including: a connecting rod, wherein an irrigation channel and a suction channel which are spaced apart from each other are formed in the connecting rod; a cutting head is arranged at a left end of the connecting rod; a suction port communicated to the suction channel is provided on the cutting head; a head end of the irrigation channel penetrates through the left end of the connecting rod; a connecting head is arranged at a right end of the connecting rod; a mechanical conveying mechanism configured to convey tissue debris cut by the electrocoagulation cutter from a tail end of the suction channel to a middle way of the connecting head is arranged on the connecting rod; an irrigation joint and a suction joint are respectively arranged at front and rear ways of the connecting head; a partition block configured to partition the front way of the connecting head from the other two ways is arranged in the connecting head; an adjustment valve communicated to a tail end of the irrigation channel is arranged in the middle of the connecting rod; and a conveying pipe is arranged between the adjustment valve and the front way of the connecting head. The present invention provides an electrocoagulation cutter capable of avoiding pipeline blockage and good cleaning effect.

The invention discloses soft tissue high-frequency welding equipment, and belongs to the technical field of surgical operating instruments, the soft tissue high-frequency welding equipment comprises an electrocoagulation pen main body, the electrocoagulation pen main body is connected with an insulating rod, the insulating rod is further provided with a conduction pipeline parallel to a cutter head part, and a temperature sensing unit comprises a hinting structure and a telescopic action structure. The electric resection temperature of the knife head part can be sensed in real time through the action structure in the temperature sensing unit, and when the knife head part is overheated, the action structure can be converted into an extension state from an initial retraction state and triggers the indicating structure to protrude out of the surface of the electrocoagulation pen main body, so that a doctor is reminded to cool the knife head part in time; therefore, in the electric resection operation process of the hypertrophy tonsil and adenoid body of the child, the situation that the scalpel head part is overheated in the long-time continuous state of the operation and burns the tissue of the affected part of the child is effectively avoided, the safety of the soft tissue resection operation of the child is improved, and postoperative recovery and healing of the operative part of the child are facilitated.

The invention discloses an adjustable self-cleaning electric flocculation device, and relates to the technical field of electric flocculation devices, the adjustable self-cleaning electric flocculation device comprises an electric flocculation tank, a support plate is slidably connected to the electric flocculation tank, first polar plates are uniformly arranged in the electric flocculation tank, second polar plates are arranged in the support plate in a staggered manner, and the adjustable self-cleaning electric flocculation device also comprises a polar plate spacing adjusting mechanism, a self-oscillation mechanism and a self-cleaning mechanism; the polar plate distance adjusting mechanism is arranged at the bottom of the electric flocculation tank and is used for adjusting the distance between the first polar plate and the second polar plate; the self-oscillation mechanism is arranged above the first polar plate and is used for vibrating and removing impurities from the first polar plate; compared with the prior art in which polar plates are arranged at fixed intervals, the device can be accurately matched with wastewater with different electrical conductivity by dynamically adjusting the intervals of the electrodes, so that the current density distribution is more uniform. For example, the ineffective energy consumption can be reduced by increasing the electrode spacing of the low-conductivity wastewater, and the electric field intensity can be enhanced by reducing the spacing of the high-conductivity wastewater, the dissolution efficiency of metal ions can be improved, and the treatment period can be shortened to 30-60 minutes.

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.

An electrocoagulation (EC) reactor and method for simultaneous CO2 capture and brine desalination. The EC reactor includes a reaction chamber that holds brine solution with contaminants, an inlet tube for CO2 gas mixture supply, and a plurality of electrodes (130), submerged in the brine. The electrodes are connected to a power source, applying a voltage to induce electrochemical reactions that precipitate dissolved salts and heavy metals, reducing brine salinity and contaminants, while capturing CO2 in the form of carbonates to form solid coagulants. The method involves introducing brine into the EC reactor's reaction chamber, adding calcium oxide (CaO) and ammonium bicarbonate (NH4HCO3) to create a homogeneous solution, and applying electric current to dissolve the electrodes, producing solid coagulants. A CO2 gas mixture is introduced to facilitate carbonation reactions, forming precipitates like calcium carbonate (CaCO3) and magnesium carbonate (MgCO3), which are filtered to obtain desalinated brine.

The invention discloses an advanced wastewater treatment device which comprises an electrolytic bath, a hollow titanium basket electrode arranged in the electrolytic bath, and a power supply electrically connected with the hollow titanium basket electrode, the device comprises at least one pair of hollow titanium basket electrodes, the hollow titanium basket electrodes are filled with metal particles, the bottom of each hollow titanium basket electrode is provided with an aeration device, and the metal particles in the hollow titanium basket electrodes move and collide under the action of bubbles generated by the aeration device in the hollow titanium basket electrodes of the device, so that the depassivation effect can be achieved; meanwhile, electrolyte mass transfer and exchange are achieved through convex holes in the surface of the hollow titanium basket electrode, electrolytic reaction ion migration is achieved, and the device is simple in structure, easy to operate, convenient to add electrode materials, capable of improving the electric flocculation efficiency, low in cost and high in treatment capacity.

The electrocoagulation flushing and sucking device comprises a shell, the shell comprises a gun body part and a handle part, a conducting rod is arranged at the front end of the gun body part, the periphery of the conducting rod is sleeved with an insulating layer, an electrocoagulation working head is arranged at the front end of the conducting rod, the electrocoagulation working head extends out of the front end of the insulating layer, the conducting rod is hollow, and a flushing pipe is arranged in the conducting rod in a sleeved mode. A suction flushing device and an electrocoagulation and electroresection device are arranged in the shell, a conductive part and a connecting part are arranged at the rear end of the conductive rod, the conductive part is electrically connected with the electrocoagulation and electroresection device, and the suction flushing device comprises a three-way connecting pipe and a flushing mechanism. The three-way connecting pipe comprises a first pipe opening connected with the connecting part, a second pipe opening connected with the flushing mechanism and a third pipe opening used for being connected with a negative pressure suction mechanism, the flushing pipe penetrates through the first pipe opening and the second pipe opening to be connected with the flushing mechanism, and a suction pipe used for being connected with the negative pressure suction mechanism is arranged at the rear end of the gun body part. And the suction tube is connected with the third tube orifice through a connecting pipeline and is provided with an adjusting switch.

The utility model relates to the field of medical instruments, in particular to a disposable flushing and sucking ablation electrode. Comprising a handle part; the gun barrel is used for performing suction, flushing, electrocoagulation or electroresection treatment; the gun barrel comprises an inner tube, an outer tube, a rotating head and an electric knife head assembly; the flushing and suction assembly comprises a flushing pipeline, a flushing pipe control assembly, a suction pipeline, a suction pipe control assembly and a knob for locking the suction pipe control assembly; the gun barrel comprises the inner tube and the outer tube, the outer tube can be driven by the rotating head to move back and forth in the axial direction of the inner tube, on one hand, the outer tube can protect the electric knife head assembly to prevent the electric knife head assembly from being collided, and on the other hand, the electric knife head assembly is collected into the outer tube to facilitate follow-up flushing and sucking treatment; in addition, a knob capable of locking the suction tube control assembly is further arranged, so that an operator does not need to continuously press a suction button, and the operation difficulty is reduced.

The invention discloses an electric purification treatment method and system for direct drinking water, and belongs to the technical field of water treatment.The method comprises the steps that water quality data and water demand data of water to be treated are periodically collected; calculating to obtain a water quality demand evaluation value according to the water quality data and the water demand data; and selecting an electrocatalytic nanofiltration water purification mode, an electrocoagulation reverse osmosis water purification mode or an electrodialysis adsorption water purification mode according to the water quality demand evaluation value to purify water to be treated. The water quality demand is evaluated, and different water purification modes are selected according to the evaluation result, so that the water quality change and the user demand are responded in real time, the purification efficiency is improved, and the resource consumption is reduced.

The invention relates to the technical field of wastewater treatment, and provides a medical and chemical wastewater treatment device and a process thereof. The electric flocculation air flotation machine comprises a tank body, an aeration release mechanism arranged on the tank body and used for aerating and releasing air-dissolved water, a scraping mechanism used for scraping scum and a control mechanism electrically connected with all the mechanisms, a coagulation reaction area, an aeration reaction area, an air floatation area and a slag collection area are sequentially arranged in an inner cavity in the tank body in the length direction of the inner cavity, a sewage input pipe is arranged in the coagulation reaction area, the aeration release mechanism is arranged in the aeration reaction area, a control valve electrically connected with the control mechanism is arranged on the sewage input pipe, and the control valve is connected with the aeration release mechanism. And the scraping mechanism is arranged above the air flotation area and the slag collection area. The wastewater treatment device has the beneficial effect of improving the wastewater treatment effect.

The invention relates to an electrocoagulation guide wire and an electrocoagulation guide wire system. The electrocoagulation guide wire comprises a core wire body, a sheath and a coating, the core wire body is sleeved with the sheath, the coating is arranged on the sheath and part of the core wire body, the core wire body comprises a far-end section and a near-end section which are connected with each other from the far end to the near end, the far end of the far-end section is further provided with an electrocoagulation area, and the electrocoagulation area is arranged between the far-end section and the near-end section. The electrocoagulation guide wire is characterized in that the sheath and the coating are not arranged in the electrocoagulation area, under a 500V voltage test, the insulation resistance of the coating of the electrocoagulation guide wire or any point on the sheath which is not covered by the coating is not less than 10megohm, and the direct-current resistance of the electrocoagulation guide wire is less than 20ohm. According to the electrocoagulation guide wire, thrombus escape caused by thrombus formed by electrocoagulation outside aneurysm can be avoided, the risk of postoperative cerebral infarction is reduced, the operation safety is improved, and damage to materials of the electrocoagulation guide wire in the electrocoagulation process can be avoided.

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 invention discloses an ultrasonic cleaning process for an electrocoagulation instrument. The ultrasonic cleaning process comprises the following steps: loading a workpiece on a rack; soaking and opposite flushing: soaking the assembled workpiece into tap water, and flushing with the tap water; the workpiece after the previous step is completed enters ultrasonic equipment, and purified water is adopted to wrap the workpiece for ultrasonic cleaning; the purified water used before is replaced, and the unused purified water is used for conducting ultrasonic cleaning again; detecting: detecting whether residues on the workpiece are qualified or not by adopting infrared rays, and if not, performing soaking and washing again; the qualified workpieces are put into different drying ovens according to different materials and dried at different temperatures; the dried workpiece is transferred to a sterile workshop to be assembled into the electrocoagulation instrument, and sterile packaging is conducted on the electrocoagulation instrument. The cleaning device has the beneficial effects that the purposes of improving the hygiene standard-reaching rate, improving the efficiency of the cleaning process and improving the drying efficiency can be achieved.

The invention discloses a pair of live cutting electrocoagulation hook separating pliers which comprises a holding handle, a control bin is fixedly connected to the top of the holding handle, an equipment starting key is rotatably connected to the inner wall of the control bin, a rotating pipe is rotatably connected to the side wall of the control bin, and a first electric push rod is fixedly connected to one side of the rotating pipe. And a fixing outer pipe is slidably connected to the inner wall of the first electric push rod, the cutting mechanism comprises a mounting groove, the mounting groove is formed in the fixing outer pipe, a limiting groove is formed in the mounting groove, and a mounting bolt is movably connected to the inner wall of the mounting groove. The invention relates to the technical field of electrocision and electrocoagulation hook separating forceps. Through cooperation of a mounting bolt, a second electric push rod, a connecting circular plate, an electromagnet, a sealing iron ring, a cleaning ring brush, a third electric push rod, an electric resection and electrocoagulation hook and a sealing ring, the electric resection and electrocoagulation hook can be rapidly replaced, and meanwhile the situation that when the electric resection and electrocoagulation hook works, internal tissue of a patient is brought into a fixing outer pipe, and the patient is secondarily hurt is avoided.

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.

The invention relates to a method for removing PFASs in industrial wastewater through metal ion reinforced ferroelectric flocculation, and belongs to the technical field of electrochemical water treatment. The method comprises the following steps that an iron plate serves as an anode, a stainless steel plate serves as a cathode, one or more metal ions of Co < 2 + >, Ni < 2 + >, Zn < 2 + > and Cu < 2 + > are added, and under the aerobic or anaerobic condition, the initial pH of wastewater is regulated to be 4-7, the metal ion concentration is 0.5-2.0 mM, the electrolysis time is 10-120 min, and the current density is 2.5-30 mA / cm < 2 >. According to the method for treating the PFASs in the industrial wastewater through the metal ion reinforced ferroelectric flocculation, the removal efficiency of the PFASs can be improved, the energy consumption and the iron consumption are reduced, and the metal ions can also be synchronously removed.

The utility model relates to an active monopole electrocoagulation clamp, and belongs to the field of medical instruments. The forceps comprise a forceps handle device, a forceps rod device and a forceps head device, the forceps rod device is arranged on the forceps handle device, the forceps head device is arranged on the forceps rod device, and the forceps are structurally characterized in that the forceps head device comprises a forceps head seat, a forceps head rod, a forceps head, an insulation sleeve and a forceps head pin, the forceps head seat is arranged on the forceps rod device, and the forceps head rod is arranged on the forceps head pin. The forceps head rod penetrates through the forceps head seat, one end of the forceps head rod is connected with the forceps rod device, the other end of the forceps head rod is connected with the two forceps heads through the forceps head pins, the two forceps heads are arranged on the forceps head seat through the forceps head pins, and the two forceps heads are each sleeved with an insulation sleeve. The plier head comprises a plier head tail end, a plier head end and a plier head body, the plier head tail end and the plier head end are arranged at the two ends of the plier head body respectively, and the plier head body is sleeved with an insulation sleeve.

The present invention discloses an electrocoagulation shear, which belongs to the field of medical devices and includes: a movable shearing electrode, which includes an elastic substrate and shearing pieces connected to each other, and a plurality of shearing pieces are linearly arrayed and distributed on the outer wall of the elastic substrate; a fixed shearing electrode, which is rotatably connected with the movable shearing electrode around the same axis, and the movable shearing electrode can move to an initial position and be parallel to the fixed shearing electrode; the fixed shearing electrode includes a shearing blade, and the movable shearing electrode can move toward the fixed shearing electrode to a contact position, and the outer wall of the shearing blade abuts against one of the shearing pieces when the movable shearing electrode is in the contact position; when the movable shearing electrode in the contact position rotates toward the fixed shearing electrode, the elastic substrate generates elastic deformation and pushes the shearing pieces to abut against the shearing blades in turn. Through the above-mentioned configuration, the present invention can efficiently shear target tissue in a narrow wound on the head.

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.

A water floatation device for water remediation of water body comprising an anchor connected to a buoy. The buoy includes a water remediation facilitator that is adapted to be connected to a solar panel, an antenna and a propeller (109) with a steering oar, plurality of water quality sensing sensors and a power adaptor. A cell is formed with at least two electrodes with intervening spaces between them and connected to the insulated proximal and distal end caps with perforations. The cell is electrically connected to the buoy. The water floatation device performs electrocoagulation and electro-oxidation of water and discharges the treated water back into the water body.

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 utility model discloses coagulation hemostasis electric coagulation equipment, and relates to the field of circuits. The equipment comprises a host and electrocoagulation tweezers connected with the host, wherein the host comprises a voltage source module, a driving module, a high-frequency inverter circuit and a resonance filtering module; the input end of the high-frequency inverter circuit is connected with the voltage source module, the driving end of the high-frequency inverter circuit is connected with the driving module, the voltage source module is used for outputting a target direct-current voltage, and the driving module is used for outputting a driving signal; the output end of the high-frequency inverter circuit is connected with the input end of the resonant filtering module, and the output end of the resonant filtering module is connected with two electrodes of the electrocoagulation tweezers; the high-frequency inverter circuit is a push-pull inverter circuit, the high-frequency inverter circuit is used for converting the target direct-current voltage into initial alternating-current voltage, and the resonant filtering module is used for filtering the initial alternating-current voltage and outputting the target alternating-current voltage to the electrocoagulation tweezers. The energy loss of AC-DC conversion can be reduced, and the working time and efficiency of the hemostatic electric coagulation equipment can be improved.

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.