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40results about How to "No additional energy consumption" patented technology

Independent primary air system provided with heat pipe exchanger and working method thereof

The invention provides an independent primary air system provided with a heat pipe exchanger. The independent primary air system is characterized by comprising a precooling unit, a cooling dehumidification unit, a reheating unit and an air supply unit. The precooling unit, the cooling dehumidification unit, the reheating unit and the air supply unit are sequentially arranged between an inlet and an outlet of the primary air system; the air supply system is arranged on the outlet of the primary air system. Primary air is precooled through an evaporator side of the heat pipe exchanger; the preprocessed primary air is cooled again through the cooling dehumidification unit; the primary air is bent through an air pipe and then heated again through a condenser side of the heat pipe exchanger; the processed air is sent indoors through the air supply unit, and indoor temperature and humidity are controlled to be 26 DEG C + / -0.5 DEG C and 50%+ / -1%. The heat pipe exchanger of the independent primary air system achieves heat recovery in the precooling unit and the reheating unit, heat exchange efficiency is high, extra energy loss is avoided, and discharged heat can be recovered to the maximum; indoor air quality is improved; finally an air-conditioning system can save energy by 6%-9%.
Owner:TIANJIN SINO GERMAN VOCATIONAL TECHN COLLEGE +2

Device for enhancing heat dissipation performance of freezer compressor shell

The invention discloses a device for enhancing the heat dissipation performance of a freezer compressor shell. The device comprises heat pipes and heat dissipation fins; the heat pipes are arranged on the top part and the side surface of the upper shell of a compressor, and are closely connected with the shell; the heat dissipation fins are embedded on the heat pipes, and are uniformly distributed on the top part of the upper shell of the compressor; one side of each heat pipe is semicircular, and the other side is flat, and clings to the upper shell of the compressor; the heat pipes are arch-shaped; the multiple heat pipes are arranged at intervals; the middle part of each heat pipe is arranged on the top end of the upper shell of the compressor, and two ends of each pipe cling to the cylindrical cover-shaped periphery of the upper shell of the compressor from the top end; the distance between every two adjacent fins is 5mm; the lower end of each heat dissipation fin is arc-shaped; the upper end of each heat dissipation fin is linear; the sharp corners of each heat dissipation fin are rounded; and multiple round holes which are regularly arrayed are formed in each heat dissipation fin. According to the device, two phase change heat transfer cycles of each heat pipe share the same condensation end; working mediums at two sides absorb heat from hot ends to be evaporated, and encounter and are mixed in the middle part of each heat pipe, so that strong turbulent convection heat exchange is formed, and the heat dissipation effect is enhanced.
Owner:SOUTH CHINA UNIV OF TECH

A method of increasing an anaerobic biological hydrogen production yield from organic waste water or waste

A method of increasing an anaerobic biological hydrogen production yield from organic waste water or waste is disclosed. According to the method, a magnetic field with certain intensity is evenly disposed on the outer wall of a traditional anaerobic hydrogen-producing reactor by means of permanent magnets or electrified coils, or a proper amount of a magnetic carrier material is added into the hydrogen-producing reactor and adopted as a carrier to which hydrogen-producing bacteria are attached, and temperature and a primary pH value of the organic waste water or the waste fed into the hydrogen-producing reactor are controlled, thus enhancing natural selection of anaerobic mixed flora, promoting culture and enrichment of anaerobic bacteria and improving biological activity and settling performance of the hydrogen-producing bacteria, and therefore objectives of efficiently enriching the hydrogen-producing bacteria and efficiently producing hydrogen from the organic waste water or the waste are achieved under a condition that inoculated sludge and the organic waste water are free of pretreatment.
Owner:XIANGTAN UNIV

Control method for improving stability of heating process of air conditioner

The invention discloses a control method for improving the stability of a heating process of an air conditioner, and relates to an air conditioner performance control method. The control method comprises the steps that when the air conditioner runs in a heating mode, the outdoor environmental temperature, the outdoor environmental humidity and the temperature of a coiler of a heat exchanger of anoutdoor unit are obtained; by comparing the temperature of the coiler of the heat exchanger of the outdoor unit with a temperature interval preset value, a capillary network control valve is controlled to be started; after a pipe network branch is started, the maximum opening time of a pipe network is determined according to the obtained outdoor environmental humidity; according to the temperatureof the coiler of the heat exchanger of the outdoor unit, a defrosting exit temperature preset value and the maximum opening time of the pipe network, the air conditioner is controlled to exit from the defrosting mode. The problems are solved that in an existing defrosting process, heating output is interrupted, and the whole heating capacity is reduced; when the heat exchanger of the outdoor unitis defrosted, a refrigerant circulating system can be little affected, the heating capacity in the process is ensured so as to maintain indoor temperature smooth, and no additional energy consumptionis increased.
Owner:QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD

Siphon-type closestool with water pressure and water flushing method thereof

The invention discloses a siphon-type closestool with water pressure. A water flushing pipe is connected to the bottom of a closestool body and connected with a closed cavity, gas is stored in the closed cavity in a sealed mode, and a water flushing control valve is arranged on a water flushing pipe and used for controlling whether the water flushing pipe is communicated with the bottom of the closestool body or not; the portion, located between the closed cavity and the water flushing control valve, of the water flushing pipe is connected with a water inlet branch pipe, and the water inlet branch pipe is directly connected with a tap water pipeline network; a water inlet control valve is arranged on the water inlet branch pipe and used for controlling whether the water inlet branch pipe is communicated with the tap water pipeline network or not. The siphon-type closestool with water pressure has the advantages of being good in energy saving effect, free of extra energy consumption, low in noise, small and exquisite in size and the like.
Owner:KOHLER CHINA INVESTMENT

Detection method for protecting integral heat-insulation property of structure

The invention relates to a measuring method for integral heat insulation performance of enclosure structure, which is a measuring method and device aiming at integral heat insulation performance of enclosure structure. It relates to the building heat engineering technology of heat insulation performance measurement of enclosure structure. The method measures and evaluates heat insulation performance of enclosure structure and monitors energy consumption level of building by adopting the method of dynamic data relevance of indoor and outdoor temperature. The method comprises following procedures in detail. 1.) Several indoor temperature sensors measuring indoor temperature (2) and outdoor temperature sensors measuring outdoor temperature (1) are connected with data collection and treatment device (3) respectively. 2.) Sampling interval, total sampling time and starting instruction are inputted by keyboard (4). 3.) Calculation program of related coefficient of indoor and outdoor temperature in the data collection and treatment device (3) is used to carry comparison and analysis; obtained related coefficient is between 0 and 1; the value of related coefficient of indoor and outdoor temperature time sequence represents integral heat insulation performance of enclosure structure.
Owner:SOUTHEAST UNIV +1

Novel composite material with air purification effect, and preparation method thereof

The invention discloses a novel composite material with an air purification effect, and a preparation method thereof, and relates to the technical field of new materials. The material is prepared from20-40 parts of tourmaline powder, 5-8 parts of zinc ricinoleate, 5-9 parts of phosphoric acid titanium dioxide, 3-8 parts of lanthanide rare earth, 10-15 parts of diatomite, 3-9 parts of vesuvianitepowder, 1-1.3 parts of nano-silver, 5-10 parts of calcium carbonate, 5 parts of leveling agent and 1-3 parts of auxiliary additives. According to the novel composite material with the air purificationeffect, through the cooperation effect of all the components, indoor harmful gas (formaldehyde and smoke) is purified in an adsorption and decomposition manner while negative ions are released, the whole purification process is carried out in the material, extra energy consumption is not needed, and no noise is generated.
Owner:深圳市大桹新材料科技有限公司

Control device and method for yarn hairiness of ring spinning frame

The invention provides a control device for yarn hairiness of a ring spinning frame, which comprises a grip jaw consisting of a front roller and a front top roller; yard guide matched with the grip jaw; matched travellers, rings and bobbins. An entire fiber agglomeration plate is arranged between the grip jaw and the yard guide. The upper surface of the entire fiber agglomeration plate is provided with a plurality of entire fiber gathering grooves in the shape of 'v'. And the entire fiber gathering groove is utilized to control dissipation fibers of the spinning section which are incompletely twisted. A plurality of locating mounting holes are arranged at the entire fiber agglomeration plate, which are utilized to fix the entire fiber agglomeration plate. The ring spinning hairiness can be considerably reduced, and the ring spinning cloth can be maintained soft to wear when the hairiness reaches a compact spinning level at the same time. The control device for the yarn hairiness of the ring spinning frame has the advantages of being simple in structure, convenient in installation and wide in application range.
Owner:ANHUI HUAMAO TEXTILE +1

Pitched roof photovoltaic efficiency-improving and fresh air preheating system

The invention discloses a pitched roof photovoltaic efficiency-improving and fresh air preheating system, which comprises a photovoltaic module arranged on a pitched roof. An air space is reserved between the photovoltaic module and the pitched roof; an air heating collector is arranged on the pitched roof and communicates with the air space; a funnel cap without power is arranged on the top part of the air heating collector and communicates with the inner part of the air heating collector through a connecting pipe; a fresh air preheating system is arranged above a room, and comprises a fresh air pipeline; one end of the fresh air pipeline is sealed, and the other end of the fresh air pipeline penetrates through a wall of the room; a fresh air supply pipe communicating with the inner part of the room is arranged on the fresh air pipeline; the air heating collector is connected onto the fresh air pipeline through a guide air pipe; and a first butterfly valve and a second butterfly valve are arranged on the connecting pipe and the guide air pipe. According to the pitched roof photovoltaic efficiency-improving and fresh air preheating system provided by the invention, the surface working temperature of the photovoltaic module can be reduced, and the photovoltaic power generation efficiency is improved; and meanwhile, waste heat is effectively utilized for preheating fresh air, so that the heating load in winter is reduced.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY

Geothermal heat extraction device

The invention relates to a geothermal heat extraction device and belongs to the technical field of geothermal heat development. The geothermal heat extraction device comprises a heat insulation oil pipe 1, a sleeve pipe 2, a one-way valve set 3, a four-way joint 4, a reducing joint 5, a circulating tank 6, a T joint 7, a first temperature control solenoid valve 8, a second temperature control solenoid valve 9, a thermal flow control valve 10, a ground surface heat exchanger 11 and a corrugated pipe 12. The sleeve pipe 2 is fixedly connected with the lower end of the four-way joint 4. The upperend of the four-way joint 4 is fixedly connected with the big-diameter end of the reducing joint 5. The heat insulation oil pipe 1 is fixedly connected with the small-diameter end of the reducing joint 5. The first horizontal end of the four-way joint 4 is fixedly connected with the first temperature control solenoid valve 8. The second horizontal end of the four-way joint 4 is fixedly connectedwith the first end of the T joint 7. The second end of the T joint 7 is fixedly connected with the second temperature control solenoid valve 9. The third end of the T joint 7 is fixedly connected withthe first end of the thermal flow control valve 10. The second end of the thermal flow control valve 10 is connected with the first end of a return pipe of the ground surface heat exchanger 11. The second end of the return pipe communicates with the circulating tank 6.
Owner:PETROCHINA CO LTD

A dynamic oil smoke protective cover for a draught fan

A dynamic oil smoke protective cover for a draught fan is disclosed. The protective cover comprises a protective cover main body having a circular truncated cone shape. The bottom and the side wall of the protective cover main body are in plate structures. The top of the protective cover main body is opened to form a wind outlet. The bottom and the side wall of the protective cover main body are respectively provided with evenly arranged micro holes. The protective cover overcomes the oil smoke pollution problem that is not liable to control and caused by separation of pumping drainage and treatment of range hoods at present, protects impellers and motors of the draught fan from being contaminated by oil smoke, and largely prolongs the maintenance period and service lifetime of the draught fan. Pre-purification is adopted, and is matched with a self-cleaning device, and therefore oil smoke particles can be removed efficiently for a long term, oil smoke is prevented from entering the draught fan and a pipeline, and problems frequently caused by oil smoke tail purification devices, namely fire hazards caused by long-term oil accumulation in oil smoke pipelines, secondary pollution in an oil smoke discharging process, and oil dropping and leakage in an oil smoke discharging port, can be effectively overcome.
Owner:广州贝思兰环保科技有限公司

Cooling water circulating system

The invention discloses a cooling water circulating system which comprises a condenser (1), a cooling water tower (2), an outdoor water storage pool (3) and an indoor water storage pool (4). A water outlet pipe A (51) of the condenser (1) is respectively connected with a water inlet pipe B (62) of the cooling water tower (2) and a water inlet pipe C (63) of the outdoor water storage pool (3). A water outlet pipe B (52) of the cooling water tower (2) is connected with the indoor water storage pool (4). A water inlet pipe A (61) of the condenser (1) is respectively connected with a water outlet pipe D (54) of the indoor water storage pool (4) and a water outlet pipe C (53) of the outdoor water storage pool (3). Two cooling modes can be achieved at the same time, and the cooling water circulating system can be used freely in a matched mode according to the seasons, and has the advantages of being simple in structure, saving energy and being environmentally friendly.
Owner:沈金根

Hybrid electric vehicle power system based on magnetic transmission

The invention discloses a hybrid electric vehicle power system based on magnetic transmission. The hybrid electric vehicle power system comprises elements such as a spline shaft sleeve and an engine permanent magnet turntable, the engine permanent magnet turntable is sleeved on a rotation shaft of a middle turntable and is connected together with an engine through the spline shaft sleeve, a motor permanent magnet turntable is also sleeved on the rotation shaft of the middle turntable and is connected with a motor through a straight-tooth transmission gear and a motor gear, high-energy permanent magnets are mounted on the engine permanent magnet turntable and the motor permanent magnet turntable, a first copper ring and a second copper ring are mounted on the left side and the right side of the middle turntable, the first high-energy permanent magnet and the first copper ring form a first magnetic coupling system, and the second high-energy permanent magnet and the second copper ring form a second magnetic coupling system. The hybrid electric vehicle power system has the advantages of simple structure, control accuracy, convenience in maintenance, high reliability and the like.
Owner:JIANGSU UNIV OF TECH

Processing method and device for spinning single yarns of plied yarn structures on ring spinning frame and yarns

The invention relates to a processing method for spinning single yarns of plied yarn structures on a ring spinning frame. A twisting mechanism arranged at the front ends of a front leather roller and a front roller is adopted; the twisting mechanism consists of the twisting leather roller and the twisting roller which do rotary motion and reciprocating motion; fibers arranged in parallel in fiber strands are twisted under the friction action of the twisting mechanism to form pre-added twisting orientation; two bundles of pre-twisted ring spun staple fiber yarns subjected to twisting treatment are output through a twisting jaw composed of the twisting roller and the twisting leather roller; and the two bundles of pre-twisted ring spun staple fiber yarns are converged and plied in a triangular twisting area under the action of twisting force of cohesive twisting and internal torque force of slivers subjected to twisting finishing, so that the single yarns of the plied yarn structures integrating main body double-strand spiral type and local twisting cohesive type are formed, the strength, abrasion resistance and flexibility of the yarns are improved, the technological process of doubling and plying of the single yarns are reduced, the application range is wide, the operation is convenient, and the large-area popularization and application are facilitated.
Owner:WUHAN TEXTILE UNIV

Anti-backflow drainage system

InactiveCN107288200APrevent backflowDoes not affect artesian drainageSewage drainingSewer pipelinesWater flowSewage
The invention discloses an anti-backflow drainage system. The system includes a drainage branch pipe, a water collecting pipe and a discharge pipe, wherein the drainage branch pipe, the water collecting pipe and the discharge pipe are connected in sequence, a rectangular-block-shaped anti-backflow box is arranged between the water collecting pipe and the discharge pipe, the upper portion of the anti-backflow box is provided with a water inlet connected with the water collecting pipe, the lower portion of the anti-backflow box is provided with a water outlet connected with the discharge pipe, and the anti-backflow box is internally provided with a floating block which is larger than the water inlet in size and can not pass through the water outlet. Through the arrangement of the anti-backflow box, when backflow of sewage occurs, water flow and characteristics of buoyancy are made use of, the floating block automatically blocks the water inlet of the anti-backflow box, further backflow of sewage is prevented, without affecting free drainage of the drainage system, the problem that backflow is easy to occur in a drainage system in the prior art is solved, the structure is simple, the system is easy to maintain, and no additional energy is consumed.
Owner:德阳艺空装饰设计有限公司

Spinning method and spinning device for transverse motion twisting on three-roller ring throstle

PendingCN112877828AGuaranteed stabilityReduces accidental draftsDrafting machinesYarnFiber
The invention relates to a spinning method and spinning device for transverse motion twisting on a three-roller ring throstle. According to the invention, the behavior that a front roller drives a twisting leather roller to rotate is converted into axial reciprocating motion by utilizing the interaction of a sliding block fixed in a base frame and reciprocating thread grooves in two ends of a reciprocating shaft rod fixed on the twisting leather roller; the twisting leather roller is used for twisting and finishing drafted fiber strands, so that the twisting cohesion type internal and external transfer of fiber strand main bodies and the twisting type tight gathering and wrapping of outer layer fibers are integrated, and the winding tightness of the surface layers of positive and negative net-shaped cross winding type solidified yarns is formed; and meanwhile, the fibers in the yarn bodies are reversely twisted and deformed, so that residual torques in the yarns are balanced and finally the soft high-strength bright and clean yarns are formed. The mechanism design that the twisting leather roller rotates and moves transversely in a reciprocating mode is fundamentally achieved, and the spinning device is convenient to operate, free of additional energy consumption, reasonable in mechanism and easy to popularize and use.
Owner:WUHAN TEXTILE UNIV

Mesh-packing yarn manufacturing device and mesh-packing yarn manufacturing method

The invention relates a mesh-packing yarn manufacturing device. The mesh-packing yarn manufacturing device comprises two licker-ins arranged in a same vertical plane at an interval, and is characterized in that the two licker-ins are arranged in a protection shell, a yarn feeding device is arranged at an entrance at one end of the protection sell, a mesh knitting device is arranged at an exit at the other end of the protection shell, fiber ribbons can be fed into the protection shell through the yarn feeding device, reel the two licker-ins sequentially, penetrate through the exit and then are fed into the mesh knitting device. The mesh-packing yarn manufacturing device has the advantages that the two licker-ins are used in cooperation, carding length of the fiber ribbons is increased, the length of fibers used by mesh-packing yarn is increased effectively, and more options for raw materials of the mesh-packing yarn are provided.
Owner:SUZHOU UNIV OF SCI & TECH

Mixed filler fluidized tank coupled constructed wetland sewage advanced treatment apparatus

The invention relates to the field of environmental protection apparatuses, and concretely relates to a mixed filler fluidized tank coupled constructed wetland sewage advanced treatment apparatus. Sewage sequentially flows through an anaerobic tank, a fluidized tank, a sedimentation tank, a primary wetland, a phosphorus removal tank and a secondary wetland; a flexible fiber rope filler is arrangedin the anaerobic tank, the fluidized tank is provided with a moving bed and a porous polymer mixed biological filler and can realize fluidized movement, a gravel and quartz stone filler is arranged in each of the primary wetland and the secondary wetland, and wetland plants are planted in each of the primary wetland and the secondary wetland; and an aeration tube is arranged in the fluidized tank, and is externally connected with an aeration control device, a return tube is arranged in the sedimentation tank and is externally connected with a return pump control device, and the control devices realize automatic control in a numerical control switch operation mode. The apparatus overcomes the deficiencies in the prior art, is obtained by innovating the universality of a traditional anaerobic, aerobic and ecologic sewage treatment technology, has the advantages of novel process, compact structure, high space utilization rate, small occupied area, enhancement of nitrogen and phosphorus removal, and stable water discharge, and has great promotion and application values.
Owner:SICHUAN UNIV

Drying plant for corrugated paper

The invention provides a drying plant for corrugated paper. The drying plant comprises a drying table for containing the corrugated paper, a row of inversed-L-type radiating tubes communicated in series or in parallel are arranged on one side of the drying table, the radiating tubes are connected through communication tubes, radiating tube outlets are formed in the lower ends of the radiating tubes, radiating tube inlets are formed in the upper ends of the radiating tubes, an exhaust fan is arranged on the other side of the drying table, and metal protective screens are arranged on one sides, close to the drying table, of the upper ends and the lateral ends of the radiating tubes. The drying plant has the advantages of being simple in structure, good in corrugated paper drying effect and free of additionally wasting energy sources, saving cost, reducing pollution and the like.
Owner:TIANJIN YUANJING PACKAGING

Method for degrading red tide/water bloom algae by driving electro-Fenton in situ based on sedimentary microbial fuel cell of water body bottom mud

The invention discloses a method for degrading red tide / water bloom algae by in-situ driving electro-Fenton through a sedimentary microbial fuel cell based on water body bottom mud, and belongs to the technical field of water body pollution treatment. The method comprises the following steps: introducing a carbon felt electrode as an anode into bottom mud of a water body, oxidizing organic matter resources contained in the bottom mud to generate electrons by virtue of an extracellular electron transfer mechanism by virtue of electricigens under a natural anaerobic environment condition, transferring the electrons to a gamma-FeOOH-loaded cathode fixed on the upper surface of the liquid surface of a cathode region through the anode, dissolving ferric iron in water to promote the reaction of dissolved oxygen and ferric iron to generate Fenton reagents H2O2 and Fe<2+>, and decomposing hydrogen peroxide under the catalytic action of ferrous ions to generate hydroxyl free radicals with strong oxidizing property; wherein energy and hydrogen peroxide are not required to be added in the process, and the purpose of removing red tide / water bloom algae in situ can be achieved. Meanwhile, the effect of reducing organic matters in the water body bottom mud can be realized by utilizing anodic reaction.
Owner:DALIAN UNIV OF TECH

Sweet potato with high starch quality and planting method thereof

The invention belongs to the field of agricultural product planting and particularly relates to sweet potato with high starch quality and a planting method thereof. Specifically, the phosphorus content in sweet potato starch is controlled through a specific planting method so as to control quality of sweet potato starch and improve the quality of sweet potato products. The method herein has no need for exogenous additives for starch, so that safety and reliability are good; intracellular reaction conditions are mild; no additional energy is consumed; the cost is low; the sweet potato and the planting method thereof are convenient to popularize.
Owner:CHENGDU INST OF BIOLOGY CHINESE ACAD OF S

Preparation method and system for cement clinker

The invention discloses a preparation method and system for a cement clinker, and belongs to the field of building materials, wherein the preparation method of the cement clinker provided by the invention is a method for delivering a preheated and pre-decomposed cement raw material into a rotary kiln, and cooling the cement raw material by virtue of a grate cooler, so as to generate the cement clinker, water is added into a kiln head hood and / or a section of a grate bed of the grate cooler, and a product of the water after vaporization and decomposition enters the rotary kiln and is used for firing the cement clinker. The preparation method and system for the cement clinker, provided by the invention, can effectively improve the combustion efficiency of the rotary kiln.
Owner:CHINA BUILDING MATERIALS ACAD

Geothermal extraction device

The disclosure relates to a geothermal extraction device and belongs to the technical field of geothermal development. The geothermal extraction device includes heat insulating oil pipe 1, casing pipe 2, one-way valve group 3, four-way joint 4, different diameter joint 5, circulation box 6, three-way joint 7, first temperature control solenoid valve 8, second temperature control solenoid valve 9. Thermal flow control valve 10, surface heat exchanger 11 and bellows 12, casing 2 is fixedly connected to the lower end of cross 4, and the upper end of cross 4 is fixedly connected to the large diameter end of different diameter joint 5; The small diameter end of the diameter joint 5 is fixedly connected; the horizontal first end of the four-way 4 is fixedly connected with the first temperature control solenoid valve 8, the horizontal second end of the four-way 4 is fixedly connected with the first end of the three-way 7, and the second end of the three-way 7 is fixedly connected with the The second temperature control solenoid valve 9 is fixedly connected, the third end of the tee 7 is fixedly connected with the first end of the thermal flow control valve 10; the second end of the thermal flow control valve 10 is connected with the first end of the return pipe of the surface heat exchanger 11 The end is connected, and the second end of the return pipe communicates with the circulation box 6.
Owner:PETROCHINA CO LTD

Detection method for protecting integral heat-insulation property of structure

The invention relates to a measuring method for integral heat insulation performance of enclosure structure, which is a measuring method and device aiming at integral heat insulation performance of enclosure structure. It relates to the building heat engineering technology of heat insulation performance measurement of enclosure structure. The method measures and evaluates heat insulation performance of enclosure structure and monitors energy consumption level of building by adopting the method of dynamic data relevance of indoor and outdoor temperature. The method comprises following procedures in detail. 1.) Several indoor temperature sensors measuring indoor temperature (2) and outdoor temperature sensors measuring outdoor temperature (1) are connected with data collection and treatmentdevice (3) respectively. 2.) Sampling interval, total sampling time and starting instruction are inputted by keyboard (4). 3.) Calculation program of related coefficient of indoor and outdoor temperature in the data collection and treatment device (3) is used to carry comparison and analysis; obtained related coefficient is between 0 and 1; the value of related coefficient of indoor and outdoor temperature time sequence represents integral heat insulation performance of enclosure structure.
Owner:SOUTHEAST UNIV +1

Gas turbine unit and gas turbine driving equipment

The invention discloses a gas turbine unit and gas turbine driving equipment, and relates to the field of gas turbines. A gas turbine unit includes a first skid assembly and a second skid assembly; the first skid assembly comprises a ventilation module and an air inlet module; the ventilation module comprises a ventilation pipeline, a ventilation filter, an equipment cabin and a ventilation valve, the ventilation filter, the equipment cabin and the ventilation valve are sequentially arranged on the ventilation pipeline in the airflow direction, the ventilation valve is provided with a first ventilation opening and a second ventilation opening, and the first ventilation opening communicates with the outside atmosphere. The air inlet module comprises an air inlet pipeline and an air inlet filter; the first skid assembly comprises a connecting pipeline, one end of the connecting pipeline is connected with the second ventilation opening, the other end of the connecting pipeline is connected with the air inlet pipeline, and the joint of the connecting pipeline and the air inlet pipeline is located on the upstream of the air inlet filter. The second skid block assembly comprises a gas turbine, and the gas inlet pipeline is connected with the gas turbine. A gas turbine drive apparatus includes a gas turbine set. The problems of energy loss or influence on output power of the gas turbine and the like can be solved.
Owner:YANTAI JEREH PETROLEUM EQUIP & TECH CO LTD

Device for carrying out gas-liquid separation by utilizing magnetic screen, working method and spacecraft

ActiveCN114130141AExcellent gas barrier performanceGood performance of non-entrapment and liquid drainageCombination devicesUsing liquid separation agentFlight vehicleEngineering
The invention provides a device for carrying out gas-liquid separation by utilizing a magnetic screen, a working method and a spacecraft. The device comprises an inlet, a shell, a channel with a screen and an outlet, one end of the shell is provided with the inlet, and the other end of the shell is provided with the outlet; the channel with the screen is mounted in the shell; the channel with the screen forms a gradient magnetic field, gas-liquid mixed fluid flows into the channel with the screen through the inlet, gas-free liquid is separated out through the gradient magnetic field, and the gas-free liquid is discharged through the outlet. According to the device, magnetizing force is applied to gas-liquid mixing, the gas blocking capacity of a screen liquid film is improved, and therefore better gas-entrapment-free liquid discharging performance is obtained.
Owner:SHANGHAI INST OF SPACE PROPULSION

Preparation method of melt-blown cloth with three-dimensional array taro bulge structure and melt-blown cloth

The invention relates to a preparation method of melt-blown cloth with a three-dimensional array taro-bulge structure and the melt-blown cloth, and provides the melt-blown cloth with the three-dimensional array taro-bulge structure, which is a novel three-dimensional structure with a taro-bulge micro-convex morphology and is fully and regularly arranged on the appearance. Meanwhile, the melt-blown cloth has a macroscopic surface array taro-bulge-shaped and micro-fiber compact network-shaped composite micro-nano structure, so that the specific surface area of the melt-blown cloth is effectively increased, the melt-blown cloth has moisture-proof, hydrophobic and self-cleaning functions, charge storage sites are increased, the capture space for particles such as dust and viruses is enhanced, and the self-cleaning performance of the melt-blown cloth is improved. The functional limitation of the two-dimensional structure of the traditional melt-blown cloth is broken through.
Owner:WUHAN TEXTILE UNIV

A sloping roof photovoltaic efficiency and fresh air preheating system

The invention discloses a sloping roof photovoltaic efficiency enhancement and fresh air preheating system, which comprises a photovoltaic module arranged on the sloping roof, and an air space is left between the photovoltaic module and the sloping roof; the sloping roof is installed with air The heat collector, the air heat collector is connected with the air interlayer; the top of the air heat collector is provided with a non-powered wind cap, and the non-powered wind cap communicates with the inside of the air heat collector through a connecting pipe; a fresh air preheater is installed above the room system, the preheating of the fresh air system includes a fresh air duct, one end of the fresh air duct is closed, and the other end passes through the wall of the room. The fresh air duct is provided with a fresh air supply pipe communicating with the interior of the room; The pipe is connected to the fresh air pipe, and a first butterfly valve and a second butterfly valve are respectively installed on the connecting pipe and the diversion air pipe. The invention can reduce the surface working temperature of the photovoltaic module and improve the efficiency of photovoltaic power generation; at the same time, the invention effectively utilizes waste heat to preheat fresh air, reducing the heating load in winter.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY

Cement clinker preparation method and system

The invention discloses a preparation method and system for a cement clinker, and belongs to the field of building materials, wherein the preparation method of the cement clinker provided by the invention is a method for delivering a preheated and pre-decomposed cement raw material into a rotary kiln, and cooling the cement raw material by virtue of a grate cooler, so as to generate the cement clinker, water is added into a kiln head hood and / or a section of a grate bed of the grate cooler, and a product of the water after vaporization and decomposition enters the rotary kiln and is used for firing the cement clinker. The preparation method and system for the cement clinker, provided by the invention, can effectively improve the combustion efficiency of the rotary kiln.
Owner:CHINA BUILDING MATERIALS ACAD
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