63results about How to "Little daily maintenance" patented technology

The emergency escape device for high rise building consists of jack ladder, guide track, chain wheel, speed varying mechanism, hydraulic speed regulating controller, etc. It is used for person in high rise building to escape in emergency. The present invention has the advantages of no need of outer driving force, relatively smooth lowering speed and no floating motion.

The invention relates to an igniting system for flowing bed and circulating fluid bed boiler in the high temperature air, comprising furnace body, air distribution plate, wind room and wind channel for a first wind, characterized in that electromagnetic induction heater is connected with the wind channel for a first wind in parallel. The first wind is heated by electromagnetic induction heater and is formed high temperature igniting air with more than 900DEG C. Then it enters into furnace to fluidize the igniting material on the air distribution plate and ignite is gradually. The invention is provided with simple technology and structure, no assistant fuel such as oil and gas, low igniting cost, good economic benefit; conveniently adjusting, simple operation, safety and stability, high successful ratio during igniting process; little maintenance in daily and no circumstance pollution so on. It has an influence of energy-saving, oil-saving and circumstance protection and so on. It can be widely applied in the igniting of flowing bed and circulating fluid bed boiler in electrical factory or heat supply system and have huge application value. After it brings into effect social, environmental and economical benefits can be produced notably.

The invention provides a gun off-position detector, a system and a dynamic early warning management and control method thereof. The positioner comprises an off-position detector body and an off-position detection assembly; the off-position detection assembly comprises a power source body and a control circuit board, and the control circuit board is used for obtaining an off-position monitoring instruction sent by a monitoring center platform to carry out off-position detection of the gun, and feeding back position information of the gun to the monitoring center platform; the control circuit board comprises a control module, a UWB positioning module, a GSM communication module, an alarm module and a wireless radio frequency module. The system comprises the gun off-position detector. According to the method, the system is adopted for positioning. The gun off-position detector has gun in-place detection and off-place alarm functions, has the characteristics of high stability, high accuracy, timely alarm and the like, and can efficiently protect the use safety of guns.

The invention provides an acoustic technology based furnace box temperature online monitoring system. The acoustic technology based furnace box temperature online monitoring system is an independent system without affecting operation of any unit equipment. An acoustic source used for temperature detection is an autonomously designed electric acoustic source which is high in power, adjustable in frequency range and capable of providing sufficient sound pressure levels. An acoustic wave detector which is an electret enhanced acoustic transmission detector is high in sensitivity and resistant to high temperature. An acoustic wave guide tube has functions of insulation of heat and combustion by-products and protection of a microphone.

The invention discloses a grillage machine which comprises a support and a screen drum arranged on the support through a rotating shaft, wherein the inner wall of the screen drum is provided with a spiral guide plate, one end of the rotating shaft positioned at an initiating end of the spiral guide plate is provided with a sleeve, the sleeve may be rotatably sleeved on the rotating shaft, a water accommodating chamber is formed between the sleeve and the rotating shaft and is in fixed connection with a sewage pipeline, the sidewall of the sleeve is provided with a plurality of nozzles, a plurality of water buckets are fixed on the inner wall of the screen drum, and the openings of the water buckets are corresponding to the nozzles. With such a structure, the grillage machine disclosed in the invention has the advantages of a simple structure, small routine maintenance load, no need for extra power during operation and low operation cost.

The invention discloses a wireless video transmission power supply system for a construction site. The wireless video transmission power supply system comprises a wind generating set module, a solar power generation module, a wind power and solar energy controller, a hydrogen energy base station power supply, a water electrolysis hydrogen-production system, a solid-state hydrogen storage system, a system control center, seawater desalting equipment and a wireless transmission module, wherein the wind generating set module and the solar power generation module are connected with the wind power and solar energy controller through the wireless transmission module; a storage battery is connected to an induction power-taking apparatus through a high-frequency rectifying filtering circuit, a frequency adaptive circuit, a high-frequency inversion circuit and a rectifying filtering and voltage-stabilizing circuit in sequence; and the induction power-taking apparatus supplies power to the video monitoring systems in different places of the construction site. According to the wireless video transmission power supply system, a wind power and solar energy power generation technology is adopted to solve the power supply problem; the redundant electric quantity is converted into hydrogen through the water electrolysis hydrogen-production system to be stored; and a wireless transmission technology is adopted, so that the problem that a large quantity of cables cannot be laid is solved.

The invention relates to a V-shaped double-sided diaphragm valve. The V-shaped double-sided diaphragm valve comprises a diaphragm valve body, wherein a sprue is formed in the middle of the diaphragm valve body; an upper rubber diaphragm is arranged at the position, above the sprue, in the diaphragm valve body; an upper spring is arranged between the upper rubber diaphragm and the inner top wall of the diaphragm valve body; a lower rubber diaphragm is arranged at the position, below the sprue, in the diaphragm valve body; a lower spring is arranged between the lower rubber diaphragm and the inner bottom wall of the diaphragm valve body; one end of the diaphragm valve body in the horizontal direction is a water inlet, and the other end of the diaphragm valve body in the horizontal direction is a water outlet; the upper rubber diaphragm and the lower rubber diaphragm are symmetrically arranged; the left end and the right end of the upper rubber diaphragm are both horizontally arranged at the upper part of the diaphragm valve body; the left end and the right end of the lower rubber diaphragm are both horizontally arranged at the lower part of the diaphragm valve body; a hydraulic power control opening or an air pressure control opening is formed in each of the upper end and the lower end of the diaphragm valve body. The V-shaped double-sided diaphragm valve is suitable for large-caliber occasions, and is excellent in corrosion resistance, steady and reliable in operation, low in manufacturing cost and less in daily maintenance.

The invention discloses a high-precision constant-current dilution time-sharing synchronous partition type CO measuring system for a flue of a coal-fired power plant. The system comprises a zero gas system; a main pressure regulating valve is arranged on a pipeline at an outlet end; the main pressure regulating valve is connected with two passages through a pipeline, wherein one passage comprisesa plurality of partition pressure regulating valves which are connected in parallel and are arranged in sequence, high-precision constant-flow dilution devices and partition sampling devices, and theother passage is provided with a blowback pressure regulating valve and a multi-channel time-sharing synchronization system sequentially; the high-precision constant-flow dilution devices are connected with the multi-channel time-sharing synchronization system through a pipeline; the high-precision constant-current dilution devices and the partition sampling devices are connected and are in one-to-one correspondence with each other; the multi-channel time-sharing synchronization system comprises a high-precision CO instrument; the multiple partition sampling devices are uniformly arranged in the flue; and each partition sampling device comprises a partition sampling cavity, a filter element and a sampling probe rod. With the system adopted, the CO gas concentrations of different areas in the flue can be quickly and accurately detected, and a data basis is provided for judging whether the flue gas emission of the thermal power plant reaches standards or not.

The invention provides a gun out-of-position detector, system and dynamic early warning management and control method thereof. The locator includes an out-of-position detector body and an out-of-position detection component. The out-of-position detection component includes a power supply main body and a control circuit board for the control circuit board To obtain the out-of-position monitoring command sent by the monitoring center platform, detect the out-of-position of the gun, and feed back the position information of the gun to the monitoring center platform; the control circuit board includes a control module, a UWB positioning module, a GSM communication module, an alarm module, radio frequency module. The system includes the firearm out-of-position detector described above. The method of the present invention uses the above-mentioned system for positioning. The invention has the functions of gun in-position detection and out-of-position alarm, has the characteristics of strong stability, high precision, timely alarm and the like, and can effectively protect the use safety of guns.

The invention provides a blast-furnace gas pressure regulating process, wherein a pipeline and a pressure reducer set are comprised. The pressure reducer set is formed by connecting two stages of pressure reducers in series. The first stage of pressure reducer is of a clapboard type, has a fixed pressure reducing value and mainly comprises an inlet pipeline, an outlet pipeline, an inner shell, anouter shell, a sound attenuation material, a clapboard and a support. The second stage of pressure reducer is of a circular seam type, has an adjustable pressure reduction value and mainly comprises an outlet pipeline, an inlet pipeline, an inner shell, an outer shell, a clock valve body, a sound attenuation material, a seal ring, a transmission device, a support device and the like. According tothe blast-furnace gas pressure regulation process, because the novel pressure redactor set which formed by connecting two stages of novel pressure reducers in series and completely different from a butterfly valve set manufactured by the traditional process, the adverse factors of the butterfly valve set are eliminated. The blast-furnace gas pressure regulating process disclosed by the invention has the advantages of concise flow, simple and reliable equipment operation, low noise, low vibration, guarantee of stable equipment operation, prolonged service life, simple structure of equipment, investment saving, low routine maintenance and considerable benefit saving.

The invention relates to a novel waste gas filer. The filter comprises a middle air box. An explosion-proof axial-flow fan is arranged at the front end of the middle air box. A flow-collecting air duct is arranged at the front end of the explosion-proof axial-flow fan. A water supply spray system is arranged on the middle air box. A fiber grid filter is arranged on the back end of the middle air box. A cyclone dehydration device is arranged on the back end of the fiber grid filter. A gas outlet is arranged on the back end of the cyclone dehydration device. A gas inlet is provided on the front end of the flow-collecting air duct. An explosion-proof motor is arranged in the middle air box. The novel waste gas filter provided by the invention has the advantages of simple structure, high de-dusting efficiency, long service life, and small routine maintenance amount.

The invention discloses a grillage machine which comprises a support and a screen drum arranged on the support through a rotating shaft, wherein the inner wall of the screen drum is provided with a spiral guide plate, one end of the rotating shaft positioned at an initiating end of the spiral guide plate is provided with a sleeve, the sleeve may be rotatably sleeved on the rotating shaft, a water accommodating chamber is formed between the sleeve and the rotating shaft and is in fixed connection with a sewage pipeline, the sidewall of the sleeve is provided with a plurality of nozzles, a plurality of water buckets are fixed on the inner wall of the screen drum, and the openings of the water buckets are corresponding to the nozzles. With such a structure, the grillage machine disclosed in the invention has the advantages of a simple structure, small routine maintenance load, no need for extra power during operation and low operation cost.

The invention relates to a diesel locomotive, in particular to a novel meter-gauge AC transmission diesel locomotive. The diesel locomotive includes air conditioner, auxiliary transformer cabinet, radiator, expansion water tank, car body ventilator, diesel engine, muffler, air filter, main generator, resistance brake device, brake valve installation cabinet, electrical cabinet, Seats, consoles, main converter cabinets, cooling towers, sand boxes, fire extinguishers, fuel tanks, batteries, main air cylinders, ECM control boxes, bogies, couplers, obstacle removers, driver's cab 2, auxiliary rooms, cooling rooms , power room, motor room, electrical room, driver's cab and frame, the diesel locomotive has advanced technology, compact and reasonable structure, convenient and quick assembly, reliable connection, suitable for meter-gauge lines, and can adapt to various harsh weather environments. At the same time, the amount of daily maintenance is relatively small, and it is easy to use and promote.