44results about How to "No change in resistance" patented technology

The invention discloses a filter-screen wet-type electric dust removing device. The electric dust removing device comprises a flue gas inlet device, a flue gas processing device and a flue gas discharging device, wherein the flue gas inlet device, the flue gas processing device and the flue gas discharging device are sequentially and closely connected with one another to form an integrated semi-enclosed device which is provided with openings in the two ends; a plurality of parallel anode plates and cathode wires arranged among the anode plates are arranged inside the flue gas processing device; dust collecting devices are arranged at the tail ends of the anode plates, and are used for capturing dust escaping from the tail ends of the anode plates. The electric dust removing device is efficiently intelligentized, and can effectively capture dust escaping along the surfaces of the dust collecting anode plates, increase the dust collecting areas of electric fields of dust removers, improve the dust collecting efficiency and avoid reentrainment pollution; in the wet-type soot cleaning process, the dust temperature can be further reduced, the dust moisture is increased, the dust specific resistance is reduced, and the dust removing efficiency is improved; meanwhile, when atmosphere hazardous materials are removed, effective ingredients in pollutants are extracted and converted into useful chemical fertilizers, low carbon and environment protection are realized, and the sustainable development of enterprises is facilitated.

The invention discloses a lithium-ion adsorption column. The lithium-ion adsorption column comprises a hollow column body formed by entanglement of thermoplastic polymer fibers, wherein a lithium-ion adsorbent is bonded to the column body, and the lithium-ion adsorbent is obtained after lithium-ions are eluted from a lithium-ion adsorption precursor. The invention further discloses a method for preparing the lithium-ion adsorption column. The method comprises the steps of A, heating and melting a thermoplastic polymer, and conducting spinning to form the thermoplastic polymer fibers; B, drawing the thermoplastic polymer fibers, spraying the lithium-ion adsorption precursor on the surfaces of the thermoplastic polymer fibers, and entangling the thermoplastic polymer fibers to form a lithium-ion adsorption precursor column which is of a hollow columnar structure; C, conducting cooling, lithium-ion elution, washing and drying on the lithium-ion adsorption precursor column to obtain the lithium-ion adsorption column. The method is simple, and the lithium-ion adsorption column has the advantages of being high in adsorbing capacity, high in adsorbing rate and the like in use.

The invention discloses a method for manufacturing a heating element of a heater, which comprises: using a sandblasting process to polish the heater shell; placing and fixing a buffer layer tooling in the heating area, and spraying a layer of buffer layer on the heating area by using a thermal spraying process Place the first ceramic insulating layer shielding tooling on the buffer layer and fix it, spray alumina ceramic material on the buffer layer with a thermal spraying process to form the first ceramic insulating layer; place the heating layer shielding tooling on the first ceramic insulating layer and fix it , use a thermal spraying process to spray a heating layer on the first ceramic insulating layer; spray heating element electrodes on both ends of the heating layer; after the heating layer is sprayed, place a second ceramic insulating layer shielding tooling on the heating layer and fix it with The thermal spraying process sprays alumina ceramic material to form a second ceramic insulating layer. The invention can improve heat conduction efficiency, adopts thermal spraying technology, and sprays heating elements on the heat exchange surface of the heater to be used as the heat source of the heater.

The invention discloses an exposure sensor based on memristors connected in reverse series. The exposure sensor comprises a first power supply V1, a second power supply V2, a switch K, a photoelectric module, a current-limiting module, an memristor module, a difference-acquiring module, an amplifying module, and an increasing module. The first power supply V1 or the second power supply V2 forms a circuit successively with the switch K, the photoelectric module, the current-limiting module and the memristor module. The memristor module includes memristors Mz1, Mz2, Mj1 and Mj2. The Mj1 and the Mj2 are completely the same. The Mz1 and the Mj1 are connected in series. The Mz2 and the Mj2 are connected in series. A series branch formed by the Mz1 and the Mj1 is connected in parallel with a series branch formed by the Mz2 and the Mj2. The difference-acquiring module is connected with the memristor module. The amplifying module is connected to the difference-acquiring module. The increasing module is connected with the amplifying module. The exposure sensor is large in exposure measurement range, high in sensitivity, suitable for the measurement of large exposure and long exposure, and is simple in circuit, avoids an influence of a memristor resistance value change on the loop current and the exposure measurement of the sensor, and is low in measurement error and easy to use.

The invention relates to a gas processing device, in particular to a deodorizing device with a flaky filler. A circulating water system in the deodorizing device is arranged on the side surface of the deodorizing device; a gas inlet is formed at one end of the deodorizing device; a gas outlet is formed at the other end of the deodorizing device; the gas inlet and the gas outlet are both connected with a gas distributing device; a bottom water tank is arranged at the bottom of the whole deodorizing device; a top water-distributing and moisture-retaining device is arranged at the top of the whole deodorizing device. The flaky filler increases the effective area of a biofilm to 2-4 times that of spherical filler; the biofilm has a self-cleaning function and can maintain biological activity and constant total film amount for a long time, so as to ensure the smoothness of a gas processing passage and solve the problem that the lower layers of other fillers cannot form films because the biofilms increase and microorganisms die and accumulate; increase of wind resistance and energy consumption and reduction of a processing effect are solved better; the volume of the biological filler is reduced by half, so that the manufacturing cost is saved, operation and management are easier and the cost is lower.

The invention discloses a lithium-ion adsorption column. The lithium-ion adsorption column comprises a hollow column body formed by entanglement of thermoplastic polymer fibers, wherein a lithium-ion adsorbent is bonded to the column body, and the lithium-ion adsorbent is obtained after lithium-ions are eluted from a lithium-ion adsorption precursor. The invention further discloses a method for preparing the lithium-ion adsorption column. The method comprises the steps of A, heating and melting a thermoplastic polymer, and conducting spinning to form the thermoplastic polymer fibers; B, drawing the thermoplastic polymer fibers, spraying the lithium-ion adsorption precursor on the surfaces of the thermoplastic polymer fibers, and entangling the thermoplastic polymer fibers to form a lithium-ion adsorption precursor column which is of a hollow columnar structure; C, conducting cooling, lithium-ion elution, washing and drying on the lithium-ion adsorption precursor column to obtain the lithium-ion adsorption column. The method is simple, and the lithium-ion adsorption column has the advantages of being high in adsorbing capacity, high in adsorbing rate and the like in use.

The invention discloses a filter-screen wet-type electric dust removing device. The electric dust removing device comprises a flue gas inlet device, a flue gas processing device and a flue gas discharging device, wherein the flue gas inlet device, the flue gas processing device and the flue gas discharging device are sequentially and closely connected with one another to form an integrated semi-enclosed device which is provided with openings in the two ends; a plurality of parallel anode plates and cathode wires arranged among the anode plates are arranged inside the flue gas processing device; dust collecting devices are arranged at the tail ends of the anode plates, and are used for capturing dust escaping from the tail ends of the anode plates. The electric dust removing device is efficiently intelligentized, and can effectively capture dust escaping along the surfaces of the dust collecting anode plates, increase the dust collecting areas of electric fields of dust removers, improve the dust collecting efficiency and avoid reentrainment pollution; in the wet-type soot cleaning process, the dust temperature can be further reduced, the dust moisture is increased, the dust specific resistance is reduced, and the dust removing efficiency is improved; meanwhile, when atmosphere hazardous materials are removed, effective ingredients in pollutants are extracted and converted into useful chemical fertilizers, low carbon and environment protection are realized, and the sustainable development of enterprises is facilitated.

The invention discloses a method for improving control gate filling defects. Polysilicon is deposited at a lower temperature on the surface of a semiconductor structure with a floating gate structure to form a polysilicon layer, and then the silicon wafer is subjected to high-temperature annealing treatment to make the polysilicon secondary grow. By adopting the technical solution of the invention, void defects during filling of polysilicon can be eliminated, while the resistance value of polysilicon and the mobility of carriers are kept unchanged, meeting the process requirements.

The invention provides a 2 / 1 voltage ratio self-calibration method of a voltage divider. The 2 / 1 voltage ratio self-calibration method comprises the steps of a step 1, applying a DC voltage U1 on a tested voltage divider and a reference voltage divider, measuring a voltage difference deltau1 between a resistor RY in the tested voltage divider and a resistor R2 in the reference voltage divider; a second step, interchanging the positions of a resistor RX and the resistor RY in the tested voltage divider; a third step, applying a DC voltage U2 on the tested voltage divider and the reference voltage divider, measuring a voltage difference deltau2 between the voltage of the resistor RX in the tested voltage divider and the voltage of the resistor R2 in the reference voltage divider; and a fourth step, according to the U1, U2, deltau1 and deltau2, calculating the actual voltage ratio K and a measuring uncertainty d of the tested voltage divider. Compared with the prior art, the 2 / 1 voltage ratio self-calibration method of the voltage divider is advantageous in that the 2 / 1 voltage ratio of the voltage divider can be accurately acquired without direct measurement for a resistance or use of a standard voltage divider with a higher accuracy grade.

The invention belongs to the technical field of resistors, and particularly discloses a low-power aluminum alloy cement resistor. The low-power aluminum alloy cement resistor comprises a strip box cover, a strip bottom shell, wherein a first U-shaped groove and a second U-shaped groove are arranged at two ends of the strip box cover; strip buckles are symmetrically arranged at two sides of the strip box cover; a first clamping groove and a second clamping groove are arranged at two ends of the strip bottom shell; strip clamping plates are symmetrically arranged at two sides of the outside of the strip bottom shell; a ceramic shaft rod and a resistance wire are arranged in the strip bottom shell; and lead-out wires are arranged at two ends of the ceramic shaft rod. The low-power aluminum alloy cement resistor has the beneficial effects that (1) an aluminum alloy shell is relatively good in heat dissipation performance, and is filled with insulating and heat-conducting materials when produced, so that the service lifetime of the resistor is prolonged; (2) the low-power aluminum alloy cement resistor is simple to assemble and fit, and high in production efficiency; (3) the error is small and is within a range from +5% to -5%; and the control accuracy is high; and (4) an alloy resistance wire is low in noise, resistant to short-time overload, free of a change in resistance value and stable in performance. Meanwhile, the low-power aluminum alloy cement resistor is simple in structure, low in production cost and easy to popularize.

The invention discloses an annealing device capable of preventing sparking and eliminating resistance for a power cable. The annealing device structurally comprises a reinforcing base, pay-off discs,a top seat and a contact electric brush annealing machine. The pay-off discs are arranged at the upper end of the reinforcing base, the top seat is fixedly mounted at the top end of the reinforcing base, the pay-off discs are located at the left end of the contact electric brush annealing machine, the bottom end of the contact electric brush annealing machine is fixedly mounted on the reinforcingbase, and the top end of the contact electric brush annealing machine is fixedly connected with the top seat. The cable is extruded through extrusion cable contact mechanisms, it is guaranteed that contact between the cable and an electrode wheel is better, the sparking phenomenon is reduced, meanwhile, sparking can be eliminated through sparking eliminating electrodes, and the surface quality ofthe cable is improved. In the rotating process of the electrode wheel, when the resistance is increased, heat generated by the electrode wheel is increased, at the moment, a hot air thrust mechanism absorbs hot air and applies certain thrust to the electrode wheel, the electrode wheel normally rotates, it is guaranteed that the resistance is unchanged, the cable is prevented from being stretched,and it is guaranteed that the forming wire diameter of the cable is consistent front and back.

The invention discloses an annealing device capable of preventing sparking and eliminating resistance for a power cable. The annealing device structurally comprises a reinforcing base, pay-off discs,a top seat and a contact electric brush annealing machine. The pay-off discs are arranged at the upper end of the reinforcing base, the top seat is fixedly mounted at the top end of the reinforcing base, the pay-off discs are located at the left end of the contact electric brush annealing machine, the bottom end of the contact electric brush annealing machine is fixedly mounted on the reinforcingbase, and the top end of the contact electric brush annealing machine is fixedly connected with the top seat. The cable is extruded through extrusion cable contact mechanisms, it is guaranteed that contact between the cable and an electrode wheel is better, the sparking phenomenon is reduced, meanwhile, sparking can be eliminated through sparking eliminating electrodes, and the surface quality ofthe cable is improved. In the rotating process of the electrode wheel, when the resistance is increased, heat generated by the electrode wheel is increased, at the moment, a hot air thrust mechanism absorbs hot air and applies certain thrust to the electrode wheel, the electrode wheel normally rotates, it is guaranteed that the resistance is unchanged, the cable is prevented from being stretched,and it is guaranteed that the forming wire diameter of the cable is consistent front and back.

The invention relates to a wet porous roller shutter electrostatic precipitator. The technical solution is: the dry electrostatic precipitator is equipped with 1~2 wet porous roller shutter dust collectors, the wet porous roller shutter dust collector is located on the side of the air outlet box (7), and the baffle (5) is located on the wet porous roller shutter. The intake side of the dust collector. The bottom of the dust collector body (2) is provided with a water tank (9), the water tank (9) is located between the air outlet box (7) and the ash hopper (11), and the notch of the water tank (9) is flush with the bottom of the dust collector body (2); Drive drum (10) is housed in the water tank (9), and driven drum (6) is housed directly above the drive drum (10), and drive drum (10) and driven drum (6) pass around drive drum (10) and The wet porous roller blinds (8) between the driven rollers (6) are connected. The front side baffle, the top baffle and the rear side baffle of the baffle are successively fixed on the inner wall of the body front side plate, the inner wall of the body top plate and the inner wall of the body rear side plate. The device has the characteristics of simple structure, low cost, reliable operation and high dust removal efficiency.

The application relates to a continuous sensor for detecting drum brake friction plates and drum brakes, belonging to the technical field of automobile drum brake detection, including: a sensor body, which includes a sensor housing and a sensor sliding core, and the sensor sliding core is located in the sensor housing And it is slidingly connected with the sensor housing; the sliding resistor is located between the sensor housing and the sensor sliding core, and the sensor housing and the sensor sliding core change the resistance value of the sliding resistor through relative sliding; the flexible pulling part, the flexible pulling The part is connected with the sensor sliding core, and the flexible pulling part is used to pull the sensor sliding core to make the sensor sliding core move linearly in the sensor housing. The brake shoe of this application is connected to the sliding core of the sensor by a flexible pulling part, and the sliding resistor can continuously monitor the wear degree of the friction plate. When the brake shoe is retracted, the flexible pulling part can ensure the resistance of the sliding resistor Unchanged, it can also eliminate the adverse effects of vibration on the continuous sensor itself and the signal.