40 results about "Sulphur Hexafluoride" patented technology

The invention discloses an environment-friendly gas ring main unit with a gas leakage alarm function, and belongs to the technical field of gas ring main units, the environment-friendly gas ring main unit with the gas leakage alarm function comprises a ring main unit body, the ring main unit body comprises a normal pressure cavity and a sealing cavity, the sealing cavity is filled with environment-friendly gas sulfur hexafluoride, and the normal pressure cavity is communicated with the normal pressure cavity. An emergency box is arranged on the side wall of the ring main unit body, a placement groove is formed in the side wall of the side, away from the ring main unit body, of the emergency box, the side wall of the air storage tank communicates with an air outlet pipe, and an emergency structure is arranged in the sealing box. The emergency box is arranged on the side wall of the ring main unit body, so that after the ring main unit body accidentally leaks gas, an emergency structure in the emergency box can be triggered to warn workers, environment-friendly gas is supplemented into the sealing cavity of the ring main unit body, and if external oxygen enters the sealing cavity, the sealing cavity is sealed by the sealing cavity. And oxygen can be consumed through chemical reaction, so that the safety of workers during maintenance of the ring main unit body is ensured.

A high-voltage sulfur hexafluoride circuit breaker driving structure disclosed by the present invention comprises a machine body, the upper end of the machine body is fixedly connected with three ceramic arc extinguish chambers, the middle position of the bottom end of the machine body is fixedly connected with a distribution box, and the bottom ends in the ceramic arc extinguish chambers are in bolted connection with mounting seats. And separation guide rods are connected into the mounting seats in an up-down sliding manner. According to the invention, intelligent separation and reunion of energy storage motor drive and the transmission shaft are realized through the separator structure, connection with the energy storage motor is automatically disconnected during opening, and the problem of resistance caused by reverse rotation of a motor rotor in a traditional structure is thoroughly avoided, so that the opening speed and the action reliability are remarkably improved, and current can be rapidly cut off when a power grid has a fault; the system has double modes of automatic energy storage and manual operation of the energy storage motor, can be remotely controlled and can be manually and emergently operated on site, so that the applicability and the emergency processing capability of the equipment under different working conditions are greatly enhanced, and the system is particularly suitable for guaranteeing the stability of the system in a power-off or fault state.

The utility model discloses a foldable sulfur hexafluoride inflating and vacuumizing device which comprises a foldable frame and a sulfur hexafluoride inflating and vacuumizing system arranged on the frame, the frame comprises a fixed frame at the lower part and a rotary folding frame at the upper part, and the fixed frame and the rotary folding frame are rotationally connected through a rotary assembly to realize the folding of the rotary folding frame; the fixing clamp assembly is used for fixing the rotary folding frame on the fixing frame; the sulfur hexafluoride inflating and vacuumizing system comprises a sulfur hexafluoride inflating module and a vacuumizing module which are used for inflating the air chamber of the high-voltage switch equipment, and the sulfur hexafluoride inflating and vacuumizing operation is realized. According to the foldable sulfur hexafluoride inflating and vacuumizing device, the vertical height of equipment is reduced, and the phenomenon that parts are damaged due to oil leakage of an important part vacuum pump when the equipment is horizontally placed in a carriage for transportation is avoided.

The application discloses an environment-friendly gas ring main unit with a gas leakage alarm function and belongs to the technical field of gas ring main units. The environment-friendly gas ring main unit with the gas leakage alarm function comprises a ring main unit body, wherein the ring main unit body comprises a normal-pressure cavity and a sealed cavity, the sealed cavity is filled with environment-friendly gas hexafluoride sulfur, an emergency box is arranged on the side wall of the ring main unit body, a placing groove is formed in the side wall of the emergency box away from the ring main unit body, a gas outlet pipe is in communication with the side wall of a gas storage tank, and an emergency structure is arranged in the sealed box. The emergency box arranged on the side wall of the ring main unit body can trigger the emergency structure in the emergency box after accidental gas leakage of the ring main unit body, thereby warning the staff and supplementing the environment-friendly gas in the sealed cavity of the ring main unit body. If the oxygen in the outside world enters the sealed cavity, the oxygen can be consumed through a chemical reaction, thereby ensuring the safety of the staff when repairing the ring main unit body.

The invention discloses a preparation method and application of a vanadium-doped titanium dioxide composite material, and relates to the technical field of titanium dioxide composites.The preparation method comprises the following steps that 1, ammonium vanadate and titanium dioxide are mixed in proportion, the doping amount of the vanadium element is controlled to range from 0.1 wt% to 12.5 wt% according to the total mass of the mixture, then high-temperature heating is conducted, and a mixture is obtained; vanadium-doped titanium dioxide powder is obtained; and (2) mixing the vanadium-doped titanium dioxide powder with a carrier in proportion, controlling the content of the vanadium-doped titanium dioxide powder to be 10-30 wt% based on the total mass of the composite material, and carrying out physical grinding to obtain the powdery vanadium-doped titanium dioxide composite material. The catalytic material disclosed by the invention is applied to degradation of sulfur hexafluoride and has excellent degradation capability.

The utility model belongs to the technical field of power equipment, and discloses an outdoor three-phase sulfur hexafluoride load switch, which comprises a switch piece, an arc extinguishing medium piece is arranged at the top of the switch piece, a support piece is arranged at the bottom of the switch piece, the support piece comprises a base tube, the top of the base tube is fixedly connected to the bottom of the switch piece, and the arc extinguishing medium piece is arranged on the base tube. The base pipe is fixedly connected with the base pipe, the bottom of the base pipe sinks inwards to form a second screw hole, a screw rod is connected to the interior of the second screw hole in a screwed mode, the bottom of the screw rod is fixedly connected with an extension rod, the bottom of the extension rod sinks inwards to form a first screw hole, and the first screw hole is matched with the screw rod. The extension rods with the number required by personnel are connected end to end, and then the extension rods with the length adjusted are connected with the second screw holes in a screwed mode through the screws, so that the extension rods with the length adjusted are connected with the base pipe, the fixing height of the device can be adjusted, and the use range of the device is widened.

1. The name of the design product: portable gas collection device (full automatic). 2. The use of the design product: for sampling of sulfur hexafluoride gas of electrical equipment. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The invention relates to a circuit-breaker (1), comprising a gas compression arrangement (4) configured for compressing a quenching gas to be contained therein and which quenching gas is free of sulphur hexafluoride; a first contact (20) and a second contact (30) movable relative to one another along a switching axis (2); a nozzle (40) providing an inflow channel (IN) connecting the gas compression arrangement (4) to an arc zone (3), the inflow channel (IN) constituting a minimal inflow area to be passed by the quenching gas, the nozzle (40) radially restricting the arc zone (3) between the first contact (20) and the second contact (30); wherein, for the quenching gas to exit the arc zone (3), the circuit-breaker (1) provides at least one outlet (OUT1, OUT2) constituting a minimal outflow area, and the minimal inflow area divided by the minimal outflow area defines an inflow- outflow-ratio being at least 0.5.

The invention discloses a gas tank device of an environment-friendly gas-filled switch cabinet, and relates to the technical field of intelligent power grid power transformation and high-voltage power transmission and distribution, the gas tank device comprises a top expansion bus gas chamber (23) formed by welding stainless steel plates, the top expansion bus gas chamber (23) is of a full-sealed structure, and environment-friendly gas with the pressure not exceeding 0.05 MPa is filled into a full-sealed gas filling device (25); a high-voltage live part is packaged in the full-sealed inflation device (25) and comprises a three-station isolating / grounding switch (13), a vacuum circuit breaker (15), a bus of a copper bar structure and a high-voltage live conductor insulating sleeve. The conductors in the air chamber equipment are subjected to electric field optimization design, silver plating and polishing, the insulation performance of a primary part can be ensured, and the reliability and the stability of the air chamber equipment are equivalent to those of sulfur hexafluoride inflation equipment.

This invention relates to the field of gas monitoring technology for combined electrical appliances, and particularly to an installation device for gas monitoring of a sulfur hexafluoride (SF6) sealed combined electrical appliance. The device includes a structural assembly comprising a structural member and a monitoring member disposed on one side of the structural member. A clamping assembly includes an insert disposed on one side of the monitoring member, a rotating member disposed inside the structural member, and a clamping member disposed inside the structural member. The rotating member includes a rotating ring rotatably disposed within a mounting block and an arc-shaped protrusion disposed on the outer surface of the rotating ring. The clamping member includes a fixing ring disposed inside the mounting block, and further includes a sliding frame slidably disposed outside the fixing ring and an arc-shaped clamping plate disposed on one side of the sliding frame. This invention, through the coordinated use of the clamping assembly, including the insert disposed on one side of the monitoring member, the rotating member disposed inside the structural member, and the clamping and clamping members disposed on one side of the structural member, facilitates the quick and easy fixing of a pressure sensor to one side of the mounting plate, enabling rapid installation and disassembly.

The utility model discloses an SF6 and O2 two-in-one infrared detection device, and relates to the SF6 detection device technology field, the SF6 and O2 two-in-one infrared detection device comprises a pedestal, a sulfur hexafluoride sensor and an oxygen sensor, a telescopic rod is installed in front of the pedestal, a first joint is installed between the pedestal and the telescopic rod, a mounting plate is installed in front of the telescopic rod, and a second joint is installed in front of the mounting plate. A second joint is mounted between the telescopic rod and the mounting plate, a groove is formed in the edge of the rear side of the base, the four corners of the bottom of the base are each movably connected with an extending supporting foot through a damping rotating shaft, and the extending supporting feet are located in the groove; by forming bolt holes in the base, the device can be installed and used in a wall-hung mode, by additionally arranging four extension supporting legs capable of being folded and stored, the device can be placed and used in a floor mode, during the period, the angles and the positions of the installation plate, the sulfur hexafluoride sensor and the oxygen sensor can be adjusted through a first joint, a telescopic rod and a second joint, and the device is wide in applicability and convenient to use. The system can be applied to different scene requirements and is very convenient to use.

This invention relates to a sulfur hexafluoride (SF6) insulated ring main unit and its power distribution system, comprising a ring main unit power distribution platform, a ring main unit information database, a ring main unit operating condition unit, a power distribution interference unit, a ring network allocation unit, a power control unit, and a power distribution management unit. This invention analyzes the power distribution stability performance of the target ring main unit from two aspects: its operating characteristics and operating parameters. It also analyzes the degree of SF6 gas interference in the target ring main unit to improve its operational stability and continuity. Furthermore, it conducts a risk analysis of the ring network allocation performance based on the operating condition information of the target ring main unit through information feedback, thereby improving the safety and reliability of its power distribution performance. Finally, it performs a power adjustment demand assessment analysis on the power management data to adjust the load allocation scheme of the target ring main unit based on the information feedback, improving the rational allocation of power resources and the operating efficiency of the power grid.

The utility model relates to the field of electrical equipment, and particularly discloses a sulfur hexafluoride load switch mounting structure. The load switch mounting structure comprises a cabinet body, a mounting plate fixedly mounted in the cabinet body and a switch shell mounted on the inner side of the mounting plate, the switch shell comprises an upper shell and a lower shell, the mounting plate is provided with a mounting groove for mounting the lower shell, and the upper shell is fixedly mounted on the upper side of the lower shell. Limiting pieces used for limiting the lower shell are installed at the two ends of the installation plate, a positioning piece used for fixing the lower shell is installed at the other end of the installation plate, and a driving piece used for driving a main shaft on the inner side of the lower shell is fixedly installed on one side of the cabinet body. According to the invention, through the limiting member and the positioning member, rapid limiting and limiting releasing operation of the lower housing can be realized, so that an operator can mount and dismount the load switch more conveniently, and tedious operation of tightening or loosening bolts one by one can be avoided, thereby improving the mounting and dismounting efficiency of the load switch.

The application discloses a method for preparing fluorine-containing diphenylmethane compounds by using sulfur hexafluoride as a fluorination reagent, and belongs to the technical field of organic chemical synthesis. The preparation method comprises the following steps: (1) mixing a photocatalyst, a solvent and a reducing agent, and performing ultrasonic treatment to obtain solution A; mixing a reaction substrate and the solvent to obtain solution B; the photocatalyst is one or more of 4CzIPN, Ir[dF(CF3)ppy]2(dtbpy))PF6, 9-thioxanthone and 10-phenylphenothiazine; the reaction substrate is a compound with a structural formula of R1 and R2 are both H, alkoxy or halogen; (2) mixing the obtained solution A and solution B in a sulfur hexafluoride gas atmosphere, and performing reaction under blue light illumination, and the fluorine-containing diphenylmethane compounds are obtained. The method has the beneficial effects that the fluorine-containing diphenylmethane compounds are efficiently prepared by using sulfur hexafluoride as the fluorination reagent, and by selecting raw materials and catalysts with certain proportions; the reaction raw materials are cheap; the preparation process is safe, mild, has good substrate compatibility and high preparation efficiency.

The application relates to a preparation method of a novel microporous copper-based metal organic framework material (Cu-MOF) and gas separation application thereof. Cu metal centers are all in a four-coordination mode, each independent Cu atom is coordinated with one oxygen atom on a BODC ligand, carboxyl O atoms on the BODC ligand all participate in coordination, and a propeller binuclear coordination geometry of the Cu-MOF is formed; wherein each BODC ligand acts as a four-connected node and is connected with four crystallographically independent Cu centers, and the carboxyl on the BODC ligand is connected and supported, and the bridge ring in the middle section contains rich methylene groups, and the rich H atoms can all act as potential action sites. The regularly arranged BODC ligands in the Cu-MOF channel provide hydrogen bond acceptors, which are favorable for strengthening the action force between low-carbon hydrocarbon gas molecules and the framework, so that the effects of preferentially adsorbing acetylene, ethane, propylene, propyne and sulfur hexafluoride gas in acetylene / carbon dioxide, ethane / ethylene, propylene / ethylene, propyne / propylene, sulfur hexafluoride / nitrogen and other mixed gases are realized.

The invention discloses a control system and a control method for a sulfur hexafluoride circuit breaker heat tracing band in a severe cold area. Physical layer equipment comprises a sulfur hexafluoride circuit breaker, a heat tracing band and a sensor; the data acquisition layer is connected with the physical layer, and the data acquisition layer is used for acquiring data of a sulfur hexafluoride circuit breaker and a heat tracing band in real time; the model building module is used for building a virtual model of the circuit breaker and the heat tracing band by using circuit breaker and heat tracing band data; the intelligent control layer is in two-way communication with the digital twinborn model layer and is used for predicting the state of physical layer equipment in future preset time through a machine learning algorithm based on a virtual model of the digital twinborn model layer in combination with data of a circuit breaker and a heat tracing band to obtain a prediction result; generating a start-stop control instruction of the heat tracing band according to the prediction result and a preset safety threshold value; and the man-machine interaction and remote monitoring layer is respectively connected with the intelligent control layer and the physical layer, and is used for displaying the state of the circuit breaker, the operation parameters of the heat tracing band and the prediction result in real time, and supporting fault alarm and remote control based on a control instruction.

The present application relates to the technical field of matcher device, especially to a matcher device suitable for high pressure working environment, which aims at the problem that the existing radio frequency matcher cannot be adapted and optimized for the high pressure environment formed by the injection of sulfur hexafluoride into a sealed tank, is prone to abnormal operation or even stoppage failure under the action of high pressure in the tank, and cannot meet the use requirements of special experimental scenes, and proposes the following technical scheme: a matcher shell is provided with two groups of baffles; two groups of capacitors are arranged between the two groups of baffles, and adjusting mechanisms are arranged at two ends of the capacitors respectively, the adjusting mechanisms are used for adjusting the capacitance value of the capacitors to dynamically adjust the self impedance of the matcher; and a circuit board is installed in the matcher shell. The matcher can be used in high pressure working environment, is safe and convenient, and has good social and economic benefits.

The application discloses a plasma catalyst suitable for sulfur hexafluoride degradation, a preparation method of the plasma catalyst and application of the plasma catalyst in low-temperature plasma catalytic degradation of SF6. The plasma catalyst comprises a carrier and an active component; the carrier comprises gamma-Al2O3; and the active component comprises a cerium-zirconium sulfated solid solution; the mass ratio of the cerium-zirconium sulfated solid solution to the gamma-Al2O3 is (1-55):100. The plasma catalyst can obtain a SF6 degradation rate of more than 95% and a SO2 selectivity of more than 94% under the condition of an input power of 60 W. x The plasma catalyst has high SF6 degradation rate and SO2 selectivity, and the long-range stability of the catalyst is excellent, and the SF6 degradation rate and the SO2 selectivity of the catalyst can still be more than 91% and more than 85% respectively after 12 hours of continuous use. x The plasma catalyst has high SF6 degradation rate and SO2 selectivity, and the long-range stability of the catalyst is excellent, and the SF6 degradation rate and the SO2 selectivity of the catalyst can still be more than 91% and more than 85% respectively after 12 hours of continuous use.

The application discloses a carboxylic acid amidation method and an amide compound prepared by the method. The preparation method takes an amine compound and a carboxylic acid compound as raw materials, takes an organic solvent as a solvent, and performs light irradiation under the condition that a photocatalyst, an alkali and sulfur hexafluoride exist, so as to perform a reaction in the organic solvent to obtain the amide compound. The reaction condition of the application is mild, the reaction raw materials (including the amine compound, the carboxylic acid compound and the alkali) are cheap and easy to obtain, the application has the characteristics of cost saving, environmental friendliness and industrial popularization. The method effectively activates SF6, a greenhouse gas, and fully utilizes the decomposition products of SF6 to realize the amidation reaction of the carboxylic acid, so that SF6 is changed from waste to treasure. The required raw materials are simple and easy to obtain, the reaction condition is simple, green and energy-saving, and the application has high application value.

This utility model provides a 40.5kV gas-insulated cable junction box, mainly composed of an outer casing, an operating mechanism compartment, an operating mechanism, an outgoing cable compartment, outgoing cables, a gas-filled compartment for the disconnecting switch, a surge arrester, an incoming cable compartment, incoming cables, and partitions. The cable junction box has independent compartments. The gas-filled compartment for the disconnecting switch is insulated with sulfur hexafluoride gas and is welded from 3mm thick stainless steel plate. The outer casing of the cable junction box is assembled from 2mm thick steel plate after bending. This utility model has a compact structure, good sealing performance, high protection level, and strong corrosion resistance.

The invention discloses a phase control opening control method and device for a sulfur hexafluoride circuit breaker, terminal equipment and a storage medium, and relates to the field of relay protection, and the method comprises the steps: obtaining a current and voltage time sequence signal and an environment time sequence parameter, inputting a current long and short-term memory network model, determining a dynamic time sequence characteristic through gating, and carrying out the phase control opening control of the sulfur hexafluoride circuit breaker. Generating lower limit opening time and upper limit opening time; determining a plurality of accurately predicted zero point times by using a wavelet transform algorithm, and taking the minimum value greater than the lower limit opening time as a candidate zero point time; if the candidate zero-point time is smaller than the upper limit opening time, determining the candidate zero-point time as first target zero-point time, otherwise, determining overrun supplementary prediction zero-point time by using a linear extrapolation method, and further determining second target zero-point time; and controlling the sulfur hexafluoride circuit breaker to open according to the target zero time. By implementing the method, the incomplete time sequence data is effectively utilized, and the problem that the prediction effects of the neural network model are different due to incomplete real short-circuit waveform data in the prior art is solved.

The invention relates to the technical field of circuit breakers, and discloses a sulfur hexafluoride circuit breaker which comprises a shell, a first-stage arc extinguishing assembly and a second-stage arc extinguishing assembly. As the distance between the first-stage static arc contact and the first-stage moving arc contact is equal to the distance between the static contact and the moving contact and is smaller than the distance between the second-stage static arc contact and the second-stage moving arc contact, in the process that the connecting piece drives the moving contact to be away from the static contact, the first-stage arc extinguishing assembly and the second-stage arc extinguishing assembly carry out arc extinguishing in sequence, and the arc extinguishing efficiency is improved. Therefore, arc energy in the circuit is taken away in sequence through step-by-step separation, the arc extinguishing effect is prevented from being affected by overlarge arc in single separation, and effective arc extinguishing opening under the condition of a complex circuit is guaranteed. And the first-stage arc extinguishing assembly and the second-stage arc extinguishing assembly are connected in an insulating manner, so that the electric arc can be stably transferred through the conductive disc instead of jumping between different contacts, the arc extinguishing effect is ensured, and the risk of faults is reduced.

The application belongs to the technical field of solar cells, and discloses a preparation method of a high-bifaciality back contact solar cell and a BC module containing the same. The preparation method comprises the following steps: firstly, ICP etching is performed on the front surface of a silicon wafer by dynamically adjusting the flow ratio of sulfur hexafluoride to oxygen in three stages to form a gradient composite textured surface; then, a mask layer is deposited on the back surface, and a complementary nano-pillar array microstructure is prepared through nano-imprinting and etching; finally, based on the spectral characteristics of the front and back surfaces, a matching gradient antireflection film and a light transmission film are respectively deposited. The application effectively reduces light reflection loss through the morphology coordination of the front gradient textured surface and the back microstructure, and the optical matching of the front and back film systems. The prepared cell has a front surface reflectivity of ≤3%, a back surface reflectivity of ≤4%, a bifaciality of ≥92%, and excellent stability. The BC module prepared by using the same is stable and reliable in long-term use.

The invention relates to the technical field of gas detection, in particular to a transformer substation sulfur hexafluoride sensor gas pressure concentration composite operation monitoring management system, a detection unit further comprises a circuit board, and a sulfur hexafluoride sensor is fixed on the circuit board; the sulfur hexafluoride sensor is covered with an elastic air bag; the ceramic annular bracket is arranged on the circuit board; the elastic air bag is fixedly connected to the ceramic annular support. The circuit board is provided with an inlet and an outlet in the detection area; the outlet is provided with a pressure reducing valve; the pressure reducing valve is provided with an elastic switch valve; a pressure sensor is also arranged on the circuit board and in the detection area; the circuit board is also provided with a micro-processor system, and the air pressure sensor and the sulfur hexafluoride sensor are both connected to the micro-processor system. And the influence of airflow impact on the measurement precision of the sulfur hexafluoride sensor is reduced.

The utility model belongs to the technical field of insulator test, and discloses an insulator test tool, which comprises an accommodating barrel and a clamping assembly, insulating oil is filled in the accommodating barrel to replace sulfur hexafluoride in an electrical cabinet, and the insulator test tool is more reliable and environment-friendly; the clamping assembly comprises a first voltage-sharing piece and a second voltage-sharing piece which are arranged on the two sides of the insulator, protrusions are annularly arranged on the sides, deviating from each other, of the first voltage-sharing piece and the second voltage-sharing piece, and due to the arrangement of the protrusions, on one hand, when liquid or gas passes through, pressure distribution is more uniform, local high-voltage or low-voltage areas are reduced, and the stability of follow-up testing is ensured; on the other hand, electric field distribution can be smoothed through the arrangement of the protrusions, the corona discharge possibility is reduced, energy loss and electromagnetic interference are reduced, and the electromagnetic compatibility of equipment is improved. The clamping assembly and the insulator are arranged in the accommodating barrel and soaked in the insulating oil to simulate the use condition in the electrical cabinet, and then the performance of the insulator is measured by using a corresponding testing instrument, so that the qualified rate of the insulator loaded in the electrical cabinet is ensured.

The application discloses a preparation method of a vanadium-doped titanium dioxide composite material and application thereof, relates to the technical field of titanium dioxide composite materials, and comprises the following steps: (1) mixing ammonium vanadate and titanium dioxide according to a proportion, controlling the doping amount of vanadium elements to be 0.1 wt%-12.5 wt% according to the total mass of the mixture, and then high-temperature heating to obtain vanadium-doped titanium dioxide powder; (2) mixing the vanadium-doped titanium dioxide powder and a carrier according to a proportion, controlling the content of the vanadium-doped titanium dioxide powder to be 10 wt%-30 wt% according to the total mass of the composite material, and performing physical grinding to obtain the powder-shaped vanadium-doped titanium dioxide composite material. The catalytic material has superior degradation capacity when applied to the degradation of sulfur hexafluoride.

The application discloses a sulfur hexafluoride degradation device and method. The degradation device comprises a collecting and pressurizing device, a valve two, a heating and catalyzing device, a valve one and a pressure adsorption storage tank which are connected in sequence; the collecting and pressurizing device is used at least for collecting mixed sulfur hexafluoride, water vapor and air and conveying the mixed gas to the heating and catalyzing device; the heating and catalyzing device is used at least for heating and catalyzing degradation of the sulfur hexafluoride under the atmosphere of the water vapor and the air; the heating and catalyzing device comprises a front section, a catalyst filling layer and a rear section which are arranged in sequence along the airflow direction; the rear section is provided with a discharge port with a valve four; the pressure adsorption storage tank is used at least for adsorbing sulfur oxyfluoride by-products generated in the sulfur hexafluoride degradation; the pressure adsorption storage tank comprises a first area, a by-product adsorption layer and a second area which are arranged in sequence along the airflow direction and are connected with the front section through a reflux pipe; the reflux pipe is provided with a valve three; the reflux pipe between the second area and the valve three is connected with a regeneration discharge pipe with a valve five.

The utility model relates to the technical field of looped network switch equipment, in particular to alternating-current high-voltage sulfur hexafluoride looped network switch equipment which comprises a cabinet body, an opening and closing door is hinged to one side of the cabinet body, an air inlet pipe is installed at one end in the cabinet body in an embedded mode, and a conveying box is installed at one end of the air inlet pipe. A closing switch is installed on one side of the inner wall of the cabinet body, a protection box is installed at the end, extending to the inner side of the cabinet body, of the air inlet pipe, the protection box covers the closing switch, a closing door is hinged to the other side of the protection box, and air inlet heat dissipation mechanisms are installed on the conveying box and the protection box. The air inlet heat dissipation mechanism comprises an air blowing blocking assembly, an adjusting assembly and a moisture absorption assembly. The dust-proof device is simple in structure and convenient to operate, external dust and impurities can be blocked when air enters the dust-proof device, meanwhile, the drying strips which are saturated in adsorption can be replaced conveniently, the dust-proof net can be quickly separated and cleaned, and the fan can be overhauled and maintained by directly lifting the placing frame without taking down the dust-proof net.

Mixtures configured to etch a thin film of an integrated circuit material are disclosed. The mixtures may include a first compound corresponding in structure to Formula (I): (I), wherein R may be CnF2n+1-mHm, wherein n is greater than, or equal to, 1, and less than, or equal to, 3, and wherein m is greater than, or equal to, 0, and less than, or equal to, (2n+1); wherein R may be CH2-CF=CF2; or wherein R may be CH2-CH=CH2. The mixture may additionally include a second compound comprising one or more of: oxygen (O2), argon (Ar), helium (He), nitrogen (N2), octafluorocyclobutane (C4F8), hexafluorobutadiene (C4F6), carbonyl fluoride (COF2), difluoromethane (CH2F2), trifluoromethane (CHF3), carbon tetrafluoride (CF4), octafluorocyclopentene (C5F8), 2,3,3,3-tetrafluoropro-1-ene (C3H2F4), hexafluoropropene (C3F6), hexafluorocyclopropane (C3F6), or 1,1,3,3,3- pentafluoropropene (C3HF5), nitrogen trifluoride (NF3), and sulfur hexafluoride (SF6).