42results about How to "Stable and reliable long-term operation" patented technology

The related flux gauging device for oil-water-gas three phase flow comprises: divided by the flange and pipeline, a separation tank with top connected with a gas-liquid inlet pipe and both top and bottom connected with the control tank top and bottom through a gas-release and liquid-release pipe, a control tank with a floating-ball regulating valve inside and a gas / liquid outlet pipe on top / bottom, a liquid flowmeter, a constituent device, a gas meter on a gas release pipe, and a gas-liquid buffer tank, wherein the gas-release pipe and liquid-release pipe conflux at the confluxing pipe. This invention has measuring precision up to +-0.5~2%, fit to run for long term reliably, and has small size and weight for wide application.

The invention discloses a household air source heat pump heating system in cold area, and relates to a heat pump system which uses the air source for running steadily under the low-temperature environment and supplying the interior with the needed heat and healthy hot water. The system comprises parts such as a low pressure frequency compressor, a high pressure compressor, an outdoor heat exchanger, a flash evaporator, a reservoir, a defrosting coil, a flash gas overheating coil, a compressor heat radiating recovery coil, a low pressure air supply pressurization line, a sub-thermal converter, a multi-head efficient spiral heat exchanger, a thermal expansion valve, and the like, which are connected by a pipeline. The invention is characterized in that the system comprises a flash evaporator component, a flash gas overheating coil, a compressor heat radiating recovery coil, and a low pressure air supply pressurization line. When in heat operation under low-temperature working condition, based on the two-stage compression cycle which is incompletely cooled between two stages of throttles, the invention uses the flash gas overheating coil, the compressor heat radiating recovery coil, and the low pressure air supply pressurization line for recovering the heat radiating capacity of a compressor, realizes the overheating of the flash gaseous working substance, enhances the gas transmission capacity of the compressor, and further improves the heat and the energy efficiency ratio of a heat pump system. Meanwhile, the defrosting coil is added to the bottom part of the heat exchanger device, so the frosting problem of the outdoor heat exchanger of the heat pump is solved. The invention can realize the mutual switch among a single heating operating mode in winter, a heating and healthy hot water united operating mode in winter, and a healthy hot water single operating mode during a non-heating period.

This invention is a joint system which is used for air exhaust of the isolating house. It is composed of three parts. The first part is conventional basic element. The second part is the high temperature burning pypoelectricity part. The third part is joint part of the hydrogen and oxygen.The second part includes gas turbine generator which has the combustion turbine and the dynamotor. The admission port is jointed with the air channel. The dynamotor of the gas turbine generator is connected with the distribution box in the third part. There are many lines in the third parts, which are connected with the detection control system, the electrolyzing water system, the machines used for adding oxygen and the electric connector used for adding hydrogen. It can remove the organic matter residual toxicity. In the same time, it can generate electricity and produce oxygen and hydrogen.

The invention relates to a stepless speed-regulating hydraulic drive system for a screw conveyor for super-large-diameter shield tunneling, which includes a fuel tank, a hydraulic pump group, a speed-regulating hydraulic circuit, a reducer, a hydraulic motor group, and a control unit. There are oil separation and oil collection valve modules, flushing control valve modules, control pumps, and sensor modules. The hydraulic pump group includes hydraulic pump 1 and hydraulic pump 2. Both hydraulic pump 1 and hydraulic pump 2 are equipped with displacement adjustment mechanisms , the hydraulic motor group includes hydraulic motor 1 and hydraulic motor 2 that operate synchronously, and hydraulic motor 1 and hydraulic motor 2 are both provided with an output variable adjustment mechanism, and the displacement adjustment mechanism and output variable adjustment mechanism are all communicated with the control unit . The present invention can satisfy the hydraulic drive system with high torque and high rotational speed, realize the functions of variable speed adjustment, overload protection, and bidirectional rotation, is safe and reliable, and effectively guarantees the stability of the operation performance of the screw conveyor.

The invention discloses a self-optimizing flash spray circulation cooling system for electronic devices, which includes a compressor, a condenser, a regenerator, a liquid storage tank, a spray chamber and a gas-liquid separator; the outlet of the compressor passes through a pipeline and the condenser The inlet of the condenser is connected to the inlet of the first channel of the regenerator through a pipeline, the outlet of the first channel of the regenerator is connected to the inlet of the liquid storage tank through a pipeline, and the lower outlet of the liquid storage tank is connected to the inlet of the spray chamber through a pipeline The lower liquid outlet of the spray chamber is connected to the inlet of the second channel of the regenerator through a pipeline; the upper gas outlet of the spray chamber is connected to the inlet of the gas-liquid separator through a pipeline, and the outlet of the second channel of the regenerator is connected through a pipeline It is connected with the inlet of the gas-liquid separator, and the gas-liquid separator is connected with the inlet of the compressor through a pipeline. By adjusting parameters such as bypass valve opening, compressor frequency, spray height and inclination angle, the system realizes optimal control of heat exchange strength and ensures rapid and stable system.

The invention relates to an advanced treatment and recycling method for filature production wastewater. The method is characterized by comprising the following steps: (A) removing the floats, grease and suspended solids from the filature production wastewater by a first-level pretreatment unit consisting of a grid net and an oil separation sedimentation tank; (B) sequentially feeding the effluent of the oil separation sedimentation tank into a second-level biological treatment unit consisting of an anoxic tank, a plug-flow aeration tank and a secondary sedimentation tank to remove most of the organic pollutants; and (C) further treating the effluent after the second-level biological treatment by a third-level advanced treatment unit, wherein through advanced purifying treatment, the effluent quality meets the water quality requirement in filature production, the effluent is recycled to filature production, and thus the recycling of the filature production wastewater is realized. By adopting the advanced treatment and recycling method for filature production wastewater provided by the invention, the effluent quality is good; and the method has good adaptability and is stable and reliable in long-term running and simple to operate and manage so as to save the water resource, reduce pollutant discharge, protect environment and promote sustainable development of the filature industry.

The invention relates to a neodymium-doped yttrium aluminum garnet dual-wavelength laser output medical apparatus comprising a reducer motor, a rotating arm, a frequency-doubling crystal body, an optical filtering mechanism, an absorption mechanism and a bottom plate. The frequency-doubling crystal mechanism comprises a frequency-doubling crystal arranged on the rotating arm. The optical filtering mechanism comprises a 45-degree glass filter. The frequency-doubling crystal and the 45-degree glass filter are located on a coaxial horizontal optical path. The absorption mechanism comprises a 45-degree reflector, an absorption cell and a reflector which are coaxial. The 45-degree reflector and the reflector are disposed at both ends of the absorption cell respectively. An original 1064 nanometer laser a forms a mixed laser b with dual wavelengths of 1064 nm and 532 nm by means of the frequency-doubling crystal. A pure 532nm frequency-doubled laser c is obtained to be output after the mixed laser b passes through the 45-degree reflector. The frequency-doubled remaining 1064nm laser d enters the absorption cell via the 45-degree reflector and is gradually and completely attenuated and absorbed and not any laser is reflected back to the original radiation optical path. The neodymium-doped yttrium aluminum garnet dual-wavelength laser output medical apparatus is low in cost and quick and easy in optical path adjustment, and does not generate any optical path deviation after long-term use.

This invention relates to one oil and water mixture meter device, which comprises front and back tar, pre-division rotation device, clear inclination test tube, gas micro difference sensor, liquid difference sensor, pressure sensor, temperature sensor and gas and liquid exit hole, wherein, the gas side tube is connected with front and back tar and clear inclination measurement tube by 1.5 degree; setting three liquid difference voltage sensor in between and one gas difference sensor and setting two difference sensors between middle and down parts of tar; setting pressure sensor and temperature sensor in back tar to take gas and liquid threshold height and lift, and pressure impulse signals to get difference signal continual time process and each character value.

The invention discloses a self-diagnosis and self-recovery method of an intelligent transformer substation system, which comprises the following steps that: (1) a monitoring server host regularly acquires a memory size occupied by core processes of the system, and self-recovery is started when the memory size exceeds a preset threshold, (2) abnormity detection is carried out by closed-loop self-checking between the monitoring server host and a monitoring client, and the self-recovery is started when the monitored abnormity frequency exceeds a preset threshold accumulatively; and (3) after the self-recovery is started, master and slave switching operation of double servers is carried out, and the host restarts generated abnormal service processes. The self-diagnosis and self-recovery method of the intelligent transformer substation system employs the characteristics of basic frame refreshing, data refreshing, alarm uploading and the like in an operating period of the system; a closed-loop timing self-checking function is formed between the monitoring server host and the monitoring client; and when a self-checking result corresponds with an abnormal condition, a self-recovery policy of the system is started by using a hot standby characteristic of the system so as to ensure long-term reliable operation of the system.

The invention discloses a whole roller insert type plate shape gauge which is characterized in that two rectangular grooves which are symmetrical in a radial direction are processed on an external surface of a main roller body (17); a cambered elastic cushion block (23) and fastening screws (22) are used for tightly connecting n groups of elastic bodies (16) and the main roller body (17) into a whole; and a spindle head (14) at an operating side is sequentially connected with a segmented spraying type collecting ring (4) and a photoelectric encoder (5), and is connected with a signal processing system (11) through a quick socket connector (9) for a code disc. An external plug-in unit (10) of the collecting ring realizes the quick connection of the spraying type collecting ring (4) and an external cable, the plate shape signals which are detected by a detecting roller (2) are transmitted to the DSP signal processing system (11) in real time, and then, the signals are transmitted to a software processing system (12), thereby providing control signals for a plate shape controlling and executing mechanism and realizing the functions of detection, identification, display, storage, printing and the like of the plate shape signals. The invention has reasonable structure and high sensitivity, is suitable for severe on-site environment, stably detects the plate shape signals in real time for a long time, and effectively avoids the damage to the surface quality of band steel caused by mutual thermal expansion and sliding among roller sheets of a traditional plate shape gauge.