88results about How to "Suitable for retrofit" patented technology

The invention pertains to the technical field of fume purification. The provided functional filter felt for eliminating harmful constituents of fume can realize the desulfurization or denitration of fume when removing dust; the filter felt is made from fiber materials and a functional catalyst in a compound manner; when purifying the harmful constituents of fume, the filter felt filters the dusts in the fume with nonwoven fabrics made from high temperature-resistant fiber material and carries out a catalytic reaction to eliminate nitrogen oxides (NOX) and/or sulfur oxides (SOX) through the functional catalyst contained in the filter felt. The provided filter felt is applicable to fume dedusting devices, fume desulfurization devices and fume denitration devices in power plants, metallurgical plants and chemical plants, in particular to the manufacturing of bag type fume filter. Compared with the prior art, the invention simplifies the fume purifying processes, improves processing efficiency, effectively saves the investment and reduces operational expenses, thus being suitable for the modification of the existing fume dedusting device.

The grating type pneumatic triphase fluidizing comprehensive absorption tower includes one housing, one gas inlet channel and gas outlet channel in the top of the tower, one rotary defogging and dewatering unit, one stuffing assembly comprising support boards, hold-down boards and stuffing, one coaxial tubular grating member, one liquid distributor with ring sprinkler pipe, one large caliber reverse sprayer inside the gas inlet channel, and one absorbing slurry pond in the bottom of the tower. It features the special grating structure, the regularly arranged stuffing for cyclic fluidizing, the combined foam absorption and stuffing absorption, etc, and has high absorption efficiency, great gas treating amount and other advantages.

A method for controlling antenna to automatically track to satellite includes initializing system and fetching effective data of GPS, calculating theoretical angle requiring to be pointed by pitch angle and position angle of current antenna aligning to satellite, fetching compass data to calculate position difference between current pitch angle and position angle of current antenna and said theoretical angle, setting object rotary speed of current motor and driving antenna to make tracking-operation according to said position difference. The device used for realizing said method is also disclosed.

An inner-aeration hollow fiber film carrier module comprises carrier elements (1), an upper gas distribution tube (2), a lower gas collection tube (3), support tubes (4), a gas inlet (5), a blowing port (6), a drug washing connection port (7) and a drug solution backflow port (8). The inner-aeration hollow fiber film carrier module is characterized in that the gas inlet (5) and the drug solution backflow port (8) are positioned on two ends of the upper gas distribution tube (2) respectively; the blowing port (6) and the drug washing connection port (7) are positioned on two ends of the lower water collection tube (3) respectively; the two support tubes (4), the upper gas distribution tube (2) and the lower gas collection tube (3) form an assembled frame of the inner-aeration hollow fiber film carrier module; and the support tubes (4) are not communicated with the upper gas distribution tube (2) or the lower gas collection tube (3). In the invention, the inner-aeration hollow fiber film carrier elements are assembled into the module according to processing capability demands; a nitrification reaction and a denitrification reaction can be realized in a same biochemical reaction pool, and the specific surface area of a biological film module is large, so the occupied land of the biochemical pool is reduced; and the inner-aeration hollow fiber film carrier module is suitable for new biological film pools, and is also suitable for reconstructing present biological film pools in the practical application process. The inner-aeration hollow fiber film carrier module has an advantage that the novel inner-aeration hollow fiber film carrier elements provided in the invention are standardized and suitable for batch production.

The invention discloses a front coal gasification grate-firing device and a combustion method thereof. By the aid of the front coal gasification grate-firing device and the combustion method thereof, the problems of emission of the high NOx content and the high SOx content of traditional chain layer burners are solved, and the boiler efficiency is improved. The front coal gasification grate-firing device comprises a coal bucket, a coal gasification chamber and a coke discharge pipe which are communicated sequentially, a gas pipe is arranged at the top of the coal gasification chamber, an injection nozzle is arranged inside the gas pipe, communicated with a secondary air pipeline through an injection air pipeline and parallel with the secondary air pipeline, an opening of the injection nozzle faces towards a hearth, the secondary air pipeline and the gas pipe are arranged in parallel in an up-and-down mode and communicated with the hearth, a bottom bellows is installed at the bottom of the coal gasification chamber, communicated with a gasification air pipeline and communicated with the coal gasification chamber through a fire grate I, the fire grate I is inclined towards the inlet direction of the coke discharge pipe, a coke breaking machine is installed at the position of an inlet of the coke discharge pipe, and an outlet of the coke discharge pipe is located above a fire grate II at the bottom of the hearth.

The invention relates to an instantly opening and heating water-energy saving water heater system consisting of a cold water pipeline (1), a water heater (2), a heat-insulating water storage device (3), a hot water pipeline (4) and a hot water terminal (5). In the system, a new idea for solving residual cold water in a pipeline is utilized, thus a problem of waste caused by idle storage of the residual cold water is solved, and an ideal use effect of instantly heating while opening is achieved; in addition, the system has the characteristics of water, energy, time and worry saving, convenience and comfortableness. The instantly opening and heating water-energy saving water heater system is simpler, more reasonable, more convenient and more economical than other traditional systems for solving the problem of the residual cold water, such as a scheme of providing a high-power electric heating water faucet or adding an assistant pipeline for recycling the residual cold water. The instantly opening and heating water-energy saving water heater system disclosed by the invention improves the comfort level of using hot water actually, is suitable for an electric water heater, a gas water heater, a solar water heater or a combined system thereof and is also suitable for a newly assembled water heater system; or by means of the instantly opening and heating water-energy saving water heater system disclosed by the invention, the performances of old systems are improved and enhanced.

The invention provides a DC charging machine with a charging gun temperature monitoring module and a temperature control method of the DC charging machine. The charging machine includes a main controller and a human-computer interactive display screen, a card swiping module, a power supply module, a charging gun temperature monitoring module, a power module, an insulation detection and discharge module and a DC power meter all connected with the main controller. The charging gun temperature monitoring module comprises a single-chip microcomputer and a debugging downloading unit, an acquisition control unit, a power conversion unit, a CAN1 bus and a CAN2 bus all connected with the single-chip computer which is connected with the charging gun through the CAN1 bus and connected with the main controller through the CAN2 bus. The power conversion unit is connected with the power supply module, and the acquisition control unit is connected with a K1 contactor, a K2 contactor and the charging gun separately. The charging gun temperature monitoring module can upgrade a charging gun of an existing charging pile, and through the technical scheme above, a temperature control method can be realized, which can effectively monitor the working temperature of the charging gun so as to ensure a safe and intelligent environment for a user.

The invention relates to an A2/O-bio-contact oxidation device and method based on coupling of partial nitrification and denitrifying phosphorous removal and belongs to the field of biological treatment of sewage. The device mainly comprises an A2/O reactor (comprising an anaerobic zone, an anoxic zone and an aerobic zone), a wobble plate sedimentation tank, a biological contact oxidation tank and a sedimentation zone, wherein the aerobic zone of the A2/O reactor is connected with the wobble plate sedimentation tank by virtue of an overflow baffle, the wobble plate sedimentation tank is connected with the biological contact oxidation tank, and the biological contact oxidation tank is connected with the sedimentation zone; filler made from carbon fibers is arranged in the biological contact oxidation tank and is mainly used for completing partial nitrification; a sludge reflux pump is communicated with the bottom of the anaerobic zone of the A2/O reactor, a nitrification liquor reflux pump is connected with an effluent tank and the anoxic zone of the A2/O reactor to realize denitrifying phosphorus removal. The A2/O-bio-contact oxidation device and method fully take advantages of partial nitrification and denitrifying phosphorous removal and have the advantages of conservation of carbon source, low aeration rate, low sludge yield and the like.

The invention relates to a method and a device for pyrolysis of carbon and hydrogen-containing powder in a forced mixing secondary pyrolysis pre-reaction zone, the method and the device are suitable for the processing of pulverized coal, forced pre-mixing of solid R10PSX obtained by separation of primary pyrolysis reaction product R10P and second solid heat carrier R20KS is completed in the forcedmixing secondary pyrolysis pre-reaction zone PR20, and a highly-mixed mixed solid phase raw material is provided for a secondary pyrolysis reaction process.

The invention discloses a pit-type garbage compressor and relates to a garbage treatment device. The invention provides a pit-type garbage compressor which has simple structure, good compression effect, convenient transferring, high automation degree and good security. The pit-type garbage compressor is provided with a stand, a compression chamber, a compression cylinder seat, a compression cylinder, a compression plate, a push-off cylinder, a push-off cylinder seat, a push-off plate, a gate hoisting rack, a box hoisting rack, a transfer box pushing-pulling mechanism, a hydraulic control device and a circuit control device; the compression chamber is arranged on the stand, the compression cylinder is horizontally arranged on the compression cylinder seat, and the compression plate is arranged at the front end of a piston rod of the compression cylinder; the push-off cylinder is horizontally arranged on the push-off cylinder seat, the push-off plate is arranged at the front end of a piston rod of the push-off cylinder, the gate hoisting rack is provided with a gate hoisting frame, a gate hoisting cylinder and a gate hoisting rod; the box hoisting rack is provided with a left box hoisting rack and a right box hoisting rack which are respectively arranged at the left side and the right side of a transfer box, wherein the left box hoisting rack is provided with a box hoisting frame, a box hoisting cylinder and a box hoisting fork plate; the transfer box pushing-pulling mechanism is arranged at the lateral side of the box hoisting rack, and the rear end of a pushing-pulling rod is connected with a piston rod of a pushing-pulling cylinder.

The invention discloses a GOOSE message implementation method applied to a traditional microcomputer experiment device. The GOOSE message implementation method comprises the steps of determining information to be subscribed and issued according to functions achieved by the traditional microcomputer experiment device, determining GOOSE message subscription entries and a data set, generating reference formats of GOOSE message subscription messages and issue messages of the traditional microcomputer experiment device according to a control module name and network parameter configuration of the traditional microcomputer experiment device in an offline mode, downloading the reference formats of the messages to the traditional microcomputer experiment device for packet sending and packet decompression, performing GOOSE message decompression based on information position and a GOOSE message receiving template, performing GOOSE message packetization based on the information position and the GOOSE message receiving template, enabling the traditional microcomputer experiment device to resend GOOSE messages with the dame data set contents at set time intervals in a timed mode. The GOOSE message implementation method can meet the digitization requirements of smart power grids.

The invention discloses a multi-layer aeration combined film body for performing heat preservation on a building. The combined film body comprises at least four layers of flexible films, wherein an inter-film layer is formed between every two adjacent layers of flexible films; aeration pipes connected with the flexible films are arranged in the inter-film layers; aeration side frames are formed by aeration pipes positioned at the peripheries of the inter-film layers; aeration ribs are formed by aeration pipes positioned between the aeration side frames; a space in each inter-film layer is separated into a plurality of communicated core part chambers by the aeration ribs and the aeration side frames which are positioned in the same inter-film layer; the aeration pipes are respectively communicated with an air tap; and the air tap is fixed on the combined film body. The combined film body is energy-saving and environment-friendly, has obvious heat-preservation and thermal-insulation effects, and the heat preservation performance of the building can be improved; and the combined film body is simple in manufacturing process and low in cost, and can be conveniently manufactured on a large scale, the building cost can be reduced, the manufacturing difficulty is reduced, and the combined film body is low-carbon, environment-friendly and renewable and can be recycled.

The invention discloses an omnidirectional AGV with a driving wheel lifting device. The AGV comprises a vehicle body and a chassis connected with the vehicle body, wherein universal wheels are arranged at the bottom of the chassis, a driving wheel module is arranged on the chassis, the driving wheel module is connected with the lifting device through a connecting plate, the lifting device comprises a lifting screw rod, the lifting screw rod is in threaded connection with the connecting plate, and a worm connected with the lifting screw rod through a turbine is arranged on the chassis. The driving wheels are lifted by turning a handle arranged outside an AGV body, the universal wheels on a bottom plate of the vehicle body are kept to be in contact with the ground, when the AGV is in an abnormal situation and manual intervention operation is needed in the running process, maintenance personnel can easily move the vehicle body, working efficiency of AGV maintenance personnel can be greatly improved, the troubleshooting time of the AGV maintenance personnel is shortened, and the utilization rate of the AGV in factory application is improved on the whole.

The invention relates to an ultra-quiet air-control automatic variable-frequency high-rise building water supply system, which comprises a rack. A water inlet connecting pipe and buffer water taking devices are installed on the rack. One end of the water inlet connecting pipe is communicated with a tap water pipe network. The other end of the water inlet connecting pipe is communicated with two to six parallel buffer water taking devices through water inlet valves. Submerged pumps are respectively installed in the buffer water taking devices. The water outlet pipes of the submerged pumps are communicated with a water supply buffer through water supply pipes and check valves. A sewage drain pipe and a water outlet pipe are arranged at the lower part of the water supply buffer. A sewage drain valve is arranged on the sewage drain pipe. A water outlet valve is arranged on the water outlet pipe. The water outlet pipe is communicated with a user water pipe. An air control pipe is installed at the upper part of the water supply buffer. A pressure sensor is installed on the air control pipe. The ultra-quiet air-control automatic variable-frequency high-rise building water supply system is a new generation of low-energy-consumption intelligent advanced equipment which is developed aiming at meeting high-rise building water supply demands. Compared with commonly used electric-control variable-frequency equipment, more than one third of operating costs and energy are saved, the occupied space is small, the investment is saved and the water pressure is more stable; and the comprehensive cost is reduced by approximate 70 percent relative to other water supply methods.

The invention provides a clutch device of an electronic lock, relating to improvement of a clutch device structure of the electronic lock. The clutch device provided by the invention has the characteristics of simple structure, safety, reliability and is simple in modification. A cylinder provided with a handling through hole is arranged at the center of an outer shifting block of the clutch device, a first outer edge is arranged at the side of the outer shifting block, a groove arranged between the first outer edge and the outer shifting block rotates clockwise on a sloping surface, and an outer pin block below the first outer prism is corresponding to an external neck of the outer shifting block; an inner shifting through hole at the center of the inner shifting block is arranged on a cylinder of the outer shifting block, a first inner edge, a second inner edge and a third inner edge are respectively arranged at the side of the inner shifting block along the clockwise direction, a lock spring in a cylindrical slot below the third inner edge is corresponding to the groove, an inner pin block above the third inner edge is arranged in an inner neck of the inner shifting block, and a limited post corresponding to the third inner edge is arranged at the side of the third inner edge; and a gap is arranged between the outer shifting block and the inner shifting block, and the gap is internally provided with a conductive piece driven by an electromagnet.

The invention discloses a continuous flow low-carbon denitrification process for low-carbon-nitrogen-ratio domestic sewage, which is characterized in that an existing AAO (anaerobic-anoxic-oxic) water tank is utilized, submersible stirring equipment is additionally arranged in an O tank, and efficient treatment of the low-carbon-nitrogen-ratio domestic sewage is realized by controlling the time sequence of aeration of the O tank, opening and closing of a submersible stirrer and backflow of nitrification liquid. When the carbon-nitrogen ratio is larger than 2, the domestic sewage with the low carbon-nitrogen ratio is efficiently treated on the premise that a carbon source is not additionally arranged, limitation of harsh process control conditions such as short-cut nitrification and denitrification and anaerobic ammonia oxidation is avoided, and the efficient continuous flow low-carbon biological denitrification process is easy to use in an engineering mode and especially suitable for upgrading and reconstruction of an existing sewage plant.

The invention discloses a soft start and closed-loop control method of a pulse generating circuit, wherein the pulse generating circuit is a pulse generating unit controlled by a signal control unit in an electrostatic dust collection power supply and is composed of a three-phase bridge full-controlled rectifier module, a DC-DC boosted circuit and a pulse boosting module; the output of the signal control unit is divided into three paths, which are separately connected with the three-phase bridge full-controlled rectifier module, the DC-DC boosted circuit and the pulse boosting module; while starting the three-phase bridge full-controlled rectifier module and the DC-DC boosted circuit, the signal control unit provides a soft start signal and a PI adjusting signal and using a relative small value as the control signal after comparing so as to realize the soft start of the corresponding module; while the module output voltage is gradually risen to certain value, the PI output value is reduced. Only by setting the final value of the soft start signal to be more than a prospective PI output value, the PI output provides control for the corresponding module so as to realize the closed-loop control.

The invention relates to an ultrathin lifting omnidirectional AGV (automatic guided vehicle). The ultrathin lifting omnidirectional AGV is provided with a vehicle body bottom plate; universal wheels are embedded in four corners of the bottom of the vehicle body bottom plate; two sets of differential driving units are embedded at the front side position and the back side position of the middle partof the bottom surface of the vehicle body bottom plate; a cam lifting mechanism is arranged on the vehicle body bottom plate; the lifting frame is a rectangular frame; a guide mechanism comprises a guide column and a guide wheel; the guide column is arranged on the vehicle body bottom plate; the guide wheel is fixedly arranged at the middle part of the left side and the right side of the liftingframe; the guide wheel rolls up and down along the guide column; and the AGV of the invention can dive to the bottom of a charging skip in ultralow height to lift and carry the charging skip, and is flexible and convenient to act and high in carrying efficiency.

The invention discloses a wireless charging transmitting system which is characterized in that an LLC (Logic Link Control) electromagnetic resonance unit and an indicating unit are controlled respectively by a central processing unit; a load detection unit respectively accesses the central processing unit and the LLC electromagnetic resonance unit; and a direct current power supply unit provides direct current voltage for the central processing unit. Due to adoption of the circuit structure, the transmitting system has the following advantages that 1, the automatic powered-on and powered-off of the transmitting system is realized while ensuring the transmission efficiency of the whole transmitting system; 2, the fault rate of devices is reduced, production is lowered and costs are maintained; and 3, the structure is simple, and the system is suitable for transforming the existing products.