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

Cold-warmer bath integrated air source heat pump at cold region

InactiveCN101387456AGuaranteed stabilityAvoid the problem of large indoor temperature fluctuationsHeat pumpsCompression machines with reversible cycleFlash-gasEngineering
The invention discloses an air-source heat pump device integrating cool and warm air conditioning and water heating in the cold area, which belongs to the technical field of refrigeration air conditioner. The device consists of two high and low pressure compressors, a flash evaporator, a defrosting coil pipe, a flash gas superheated coil pipe, a compressor heat recovery coil pipe, a low pressure gas supply pressure pipeline and other parts which are connected through pipelines. The device is characterized in that the two high and low pressure compressors in the system have three modes of separate operation, parallel operation, and two-stage compression combined operation; and the two compressors are matched with a four-way electromagnetic directional valve, a three-way electromagnetic valve and an electromagnetic valve to form a refrigeration mode, a heating mode, a hygienic hot water mode and a refrigeration and hygienic hot water combined operation mold. The air-source heat pump device has the advantages that the device not only can refrigerate and produce hygienic hot water while refrigerating in summer; and under the microthermal climate in winter, the device can run stably to provide the heat needed by indoor heating and hygienic hot water, thereby realizing the integrated cool and warm air conditioning and water heating. The device which is used in a house in the cold area has wide popularization and application space and energy-saving significance.
Owner:DALIAN UNIV OF TECH +1

Whole roller insert type plate shape gauge

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.
Owner:YANSHAN UNIV

Flexible capsule wave energy power generation device

The invention discloses a flexible capsule wave energy power generation device which comprises a foundation bed fixed to a water bottom. A silicone tube of a flexible structure is fixed to the foundation bed, that is, the silicone tube with high flexibility is adopted as a capsule body. One end of the silicone tube is sealed, and the other end of the silicone tube is connected with a vertical tube for conveying water. An air inlet chamber and an exhaust chamber are arranged at the top of the vertical tube. A wind driven generator is arranged above an exhaust opening. The silicone tube is full of water, and contracts or expands along with transformation of wave crests and wave troughs of external waves to form pulsation, so that the water in the silicone tube is made to rush into the vertical tube, and the water level in the vertical rube suddenly ascends and descends along with pulsation. When the water level suddenly descends, air passes through an air inlet, the air inlet chamber and an air inlet valve in sequence to enter an inner cavity of the vertical tube. When the water level suddenly ascends, air of the inner cavity of the vertical tube is compressed, and passes through an exhaust valve, the exhaust chamber and the exhaust opening to be exhausted outwards, and an impeller of the wind driven generator is blown by the air to drive the wind driven generator to generate power. The flexible capsule wave energy power generation device is simple in structure and low in manufacturing and maintenance cost, and the wave energy utilization rate is greatly improved.
Owner:TIANJIN UNIV

Water conservancy channel and river channel combined type water wagon power generation

InactiveCN102230438AAlleviate the deterioration of the contradiction between supply and demandThe contradiction between supply and demand has deteriorated and decreasedHydro energy generationReaction enginesMultiple formsWater wheel
The invention relates to water conservancy channel and river channel combined type water wagon power generation. The defects of bulkiness, complexity and low efficiency of the traditional water wagon are overcome through the technical schemes of scientific design, flexibility, simplicity, low running cost, no pollution, no ecological damage and no change of water diversion function and characteristics of a water conservancy channel and a river channel; more importantly, as for the change of the condition that the water flow energy in the traditional water conservancy channel and river channel is not effectively utilized and converted into electric energy, the structure is succinct, portable, compact, firm and reliable and is different in approach but equally satisfactory results with a honeycomb; various shapes of water conservancy channel and river channel combined type water wagons can be changed; the natural water flow energy in the water conservancy channel and river channel is skillfully and effectively recycled omnidirectionally as much as possible to efficiently drive a power generator to generate power; and the invention has the advantages of high unit power efficiency supply and high group power delivery and provides various forms of novel energy cleaning application ways and methods for serving the society and benefiting human beings.
Owner:郭振家

Electron device flash spray circulation cooling system with self-optimizing characteristic

The invention discloses an electron device flash spray circulation cooling system with a self-optimizing characteristic. The electron device flash spray circulation cooling system with the self-optimizing characteristic comprises a compressor, a condenser, a heat regenerator, a liquid storage tank, a mist spraying cavity and an air-liquid separator, wherein an outlet of the compressor is connectedwith an inlet of the condenser through a pipeline; the condenser is connected with an inlet of a first passage of the heat regenerator through a pipeline; an outlet of the first passage of the heat regenerator is connected with an inlet of the liquid storage tank through a pipeline; a lower outlet of the liquid storage tank is connected with an inlet of the mist spraying cavity through a pipeline; a lower liquid outlet of the mist spraying cavity is connected with an inlet of a second passage of the heat regenerator through a pipeline; an upper air outlet of the mist spraying cavity is connected with an inlet of the air-liquid separator through a pipeline; an outlet of the second passage of the heat regenerator is connected with the inlet of the air-liquid separator through a pipeline; and the air-liquid separator is connected with an inlet of the compressor through a pipeline. The system realizes optimal control over heat exchange intensity by regulating the parameters such as the opening degree of a bypass valve, the frequency of the compressor and the height and dip angle of mist spraying, and rapidness and stability of the system are guaranteed.
Owner:XI AN JIAOTONG UNIV

Stepless speed regulating hydraulic driving system of spiral conveyer for super-large diameter shield machine

The invention relates to a stepless speed regulating hydraulic driving system of a spiral conveyer for a super-large diameter shield machine. The stepless speed regulating hydraulic driving system comprises an oil case, a hydraulic pump set, a speed regulating hydraulic circuit, a reducer, a hydraulic motor set and a control unit. An oil separating and collecting valve module, a rinsing control valve module, a control pump and a sensor module are arranged in the speed regulating hydraulic circuit. The hydraulic pump set comprises a first hydraulic pump and a second hydraulic pump. The first hydraulic pump and the second hydraulic pump are both provided with displacement regulating mechanisms. The hydraulic motor set comprises a first hydraulic motor and a second hydraulic motor which operate simultaneously. The first hydraulic motor and the second hydraulic motor are both provided with output variable regulating mechanisms. The displacement regulating mechanisms and the output variable regulating mechanisms are in communicating connection with the control unit. The hydraulic driving system can meet the requirements for large torque and high rotation speed, has the functions of variable-speed regulating, overload protection and double-way rotating and is safe and reliable, and the stability of the operation performance of the spiral conveyer is guaranteed effectively.
Owner:CHINA RAILWAY ENGINEERING EQUIPMENT GROUP CO LTD

Closed type constant-temperature drying equipment

The invention relates to the field of agriculture machinery, in particular to closed type automation constant-temperature drying equipment. The closed type constant-temperature drying equipment comprises a drying chamber and a control member chamber. A partition layer is arranged on the back portion of the drying chamber and internally provided with an inner circulation fan, an evaporator, a heater, a temperature and humidity sensor and a standby temperature sensor; the partition layer on the back portion is internally of a four-layer sealing structure; the drying chamber is internally provided with partition plates, inner circulation air channels are formed in the lower side in the drying chamber, and an air inlet channel and an air return channel which are used for dehumidifying are formed in the right side face of the drying chamber; the control member chamber is arranged on the right portion of the drying chamber and divided into three layers; a touch screen, a controller and a signboard are placed on the upper layer of the control member chamber; a dehumidifying machine is placed on the middle layer of the control member chamber; and a refrigerating unit is arranged on the lower layer of the control member chamber and comprises a refrigerating compressor, a refrigerating condenser and a condenser radiating fan. The closed type constant-temperature drying equipment has theadvantages of reasonable structure and good constant-temperature drying effect.
Owner:JIANGSU ACADEMY OF AGRICULTURAL SCIENCES +1

Plate type low-temperature economizer

The invention discloses a plate type low-temperature economizer. The economizer comprises a casing, a convergence box and a plate type heat exchange module; a smoke inlet channel and a smoke discharge channel are arranged at the upper end and the lower end of the casing; the smoke inlet channel comprises an inlet flange and a conical smoke inlet guiding barrel; the smoke discharge channel comprises an outlet flange and a conical smoke discharge guiding barrel; and the plate type heat exchange module comprises multiple heat exchange plates, flue supporting bulges and cold source channel supporting bulges are arranged on two sides of the heat exchange plates, cold source medium baffle runners are formed among the cold source channel supporting bulges of the adjacent heat exchange plates, and comprise multiple circumferential channels provided with independent medium inlets and outlets and pass partition plates arranged in the circumferential channels to enable cold source media to flow in a baffled manner, and discharged smoke once-through channels are formed among the flue supporting bulges of the adjacent heat exchange plates. Flow fields in the economizer are uniformly distributed, the medium contact area is large, the heat exchange efficiency is high, the smoke discharge resistance is small, meanwhile, spaces between the heat exchange plates are easy to clean and maintain, and the capability of the heat exchange plates for bearing pressure differences on the two sides is high.
Owner:TIANJIN HUASAIER HEAT TRANSFER EQUIP

Neodymium-doped yttrium aluminum garnet dual-wavelength laser output medical apparatus

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.
Owner:唐帆

Domestic air source heat pump heating system

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.
Owner:DALIAN ZHONGXING TECH DEV

Anti-explosion magnetic liquid filter

The invention discloses an anti-explosion magnetic liquid filter. The anti-explosion magnetic liquid filter is provided with a mechanical seal washing pipeline, and is characterized by being provided with a filter shell, a filter cover, a magnetic core assembly and a filter screen assembly, wherein the magnetic core assembly comprises a bolt, a spring and a magnetic core; the filter screen assembly comprises a filter screen, a seal loop and a seal ring; a filter cavity is formed in the centre of the filter shell; the end part of the filter shell is in seal connection through the filter cover; a liquid inlet hole and a thread blind hole are sequentially formed in the centre of one end surface of the filter cover; a liquid inlet port is formed in one side of the filter cover, and a liquid outlet port is formed in the other side of the filter cover; a liquid outlet hole is formed in one side of the liquid inlet hole; the liquid inlet end of the liquid inlet hole is communicated with the liquid inlet port, and the liquid outlet end of the liquid inlet hole is communicated with the filter cavity; the liquid inlet end of the liquid outlet hole is communicated with the filter cavity, and the liquid outlet end of the liquid outlet hole is communicated with the liquid outlet port; the liquid outlet port of the filter cover is connected with the mechanical seal washing pipeline; a magnetic core is arranged in the filter cavity and strung in the bolt, the spring of the bolt is fixedly connected with the filter cover, the filter screen is sleeved outside the magnetic core, and the filter screen is in seal connection with the filter cover. The anti-explosion magnetic liquid filter has the advantages of being novel in structure, safe in running, and the like.
Owner:山东韬浦泵业有限公司

Stepless speed regulation hydraulic drive system of screw conveyor for super large diameter shield tunneling machine

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.
Owner:CHINA RAILWAY ENGINEERING EQUIPMENT GROUP CO LTD

A self-optimizing flash spray cooling system for electronic devices

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.
Owner:XI AN JIAOTONG UNIV

Advanced treatment and recycling method for filature production wastewater

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.
Owner:BINYANG COCOON SILK IND & TRADE CO LTD

Advanced treatment and recycling method of silk reeling production wastewater

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.
Owner:BINYANG COCOON SILK IND & TRADE CO LTD

A kind of neodymium-doped yttrium aluminum garnet dual-wavelength laser output medical device

InactiveCN107069405BEasy to debugReasonable structureLaser detailsYttrium Aluminum Garnet LasersAbsorption cell
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.
Owner:唐帆

A self-diagnosis and self-recovery method for an intelligent substation system

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.
Owner:XJ ELECTRIC +1

Whole roller insert type plate shape gauge

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.
Owner:YANSHAN UNIV
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