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203results about How to "Solve the icing" patented technology

Engine cylinder cover shield and crankcase ventilation system

ActiveCN104100332AImprove oil and gas pre-separation effectReduce noiseMachines/enginesCrankcase ventillationAdverse effectEngineering
The invention provides an engine cylinder cover shield which comprises a shield body and a cover plate. The cover plate is arranged in the shield body, the cover plate and the shield body are separated, an oil gas pre-separation space is formed between the cover plate and the shield body, a first gas inlet communicated with a crankcase is arranged in the oil gas pre-separation space, and stacked oil baffles are arranged in the oil gas pre-separation space. Each oil baffle comprises a first extending portion extending upwards and backwards from the starting end, a second extending portion extending upwards and towards the starting end from the tail end of the first extending portion and a third extending portion extending downwards and backwards from the tail end of the first extending portion. A crankcase ventilation system adopting the engine cylinder cover shield is further provided. The shield and the system have the advantages of being good in oil gas pre-separation effect and avoiding adverse effect of low temperature on gas flowing.
Owner:ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD

Control method of air conditioner

The invention discloses a control method of an air conditioner. The control method comprises the following steps: S1, starting the air conditioner and enabling the air conditioner to be in refrigeration operation; S2, detecting the outdoor environmental temperature T1; S3, when T1 is within a set value range, enabling the air conditioner to be in a low-temperature refrigeration mode; S4, regulating the operating frequency of a compressor according to a sub-region to which the T1 belongs, and exiting from the low-temperature refrigeration mode when detecting an exit condition. According to the control method of the air conditioner disclosed by the embodiment of the invention, the technical problems of indoor unit freezing, compressor liquid return and the like under a low-temperature environment are solved.
Owner:GD MIDEA AIR-CONDITIONING EQUIP CO LTD +1

Refrigerator

Provided is a refrigerator (10). The refrigerator (10) includes a main body (11) having a storage space, a door (14) opening or closing the storage space, a dispenser (20) provided in the door (14) to dispense cooled water and purified water, a purified water input part (251) provided in the dispenser (20) to input a command for dispensing the purified water, a cooled water input part (252) provided in the dispenser (20) to input a command for dispensing the cooled water, a dispensing amount input part (255) for setting an amount of purified water to be dispensed when the purified water is selected through the purified water input part (251), a filter device (40) provided within the storage space to purify water supplied from a water supply source (1) outside the main body (11), a water tank (50) storing the water passing through the filter device (40), the water tank (50) configured to cool the stored water by using cool air within the storage space, a purified water passage (62) guiding the purified water filtered in the filter device (40) into the dispenser (20), a cooled water passage (63) guiding the cooled water cooled in the water tank (50) into the dispenser (20), a purified water valve (622) controlling a water flow in the purified water passage (62), and a cooled water valve (632) disposed in the cooled water passage (63) to control a water flow in the cooled water passage (63). When the purified water is selected through the purified water input part (251), the purified water valve (622) is opened, and the cooled water valve (632) is closed, when an amount of water set through the dispensing amount input part (255) has been dispensed, the purified water valve (622) is closed, and when the cooled water is selected through the cooled water input part (252), the cooled water valve (632) is opened, and the purified water valve (622) is closed.
Owner:LG ELECTRONICS INC

Unmanned aerial vehicle system applied to weather modification

The invention discloses an unmanned aerial vehicle system applied to weather modification. The unmanned aerial vehicle system comprises two engines, wherein a front-pull type engine (1) is connected with the head of an unmanned aerial vehicle and is used for providing forward pull; a rear-push type engine (2) is connected with the tail and is used for providing the push; and a pull line of the front-pull type engine (1) is overlapped with a push line of the rear-push type engine (2). During work, the two engines work simultaneously for providing the power for the unmanned aerial vehicle to fly, and when one engine is failed and shuts down, the other engine continuously works. The unmanned aerial vehicle at least can load eight silver iodide flames at high altitude of over 5,000 meters for artificial precipitation work, adopts the technology of catapult-assisted take-off and parachute recovery, and does not need special runways. A front edge deicing device is arranged on the front edges of the wings, and the problem that the wings are frozen is solved. The unmanned aerial vehicle system has the characteristics of simple and convenient operation, rapid maintenance, wide application range of using field.
Owner:NORTH NAVIGATION CONTROL TECH

Dry and wet two-purpose road sweeper

InactiveCN101349043ASolve the icingSolve the problem of not being able to spray waterRoad cleaningVehicle frameRoad sweeper
The invention relates to a dry-wet dual purpose road sweeper, which comprises a vehicle frame as well as an auxiliary engine, a garbage bin, a suction fan, a chuck and dust removers which are arranged on the vehicle frame, wherein the chuck is arranged at the lower part of the vehicle frame and is connected to a garbage inlet of the garbage bin through a suction tube, the suction fan is connected with an air outlet of the garbage bin through an air duct, an air vent of the suction fan is connected with the dust removers, the auxiliary engine drives the suction fan, the suction fan is a double suction fan which is respectively communicated with the wet type diagonal flow dust removers. The road sweeper remedies the disadvantages that a suction sweeping road sweeper widely used on the market fails to be normally used in winter and is easy to spray ash and fly dust, and a suction road sweeper fails to perform wet operation and has poor sweeping efficiency and high use cost. The dry-wet dual purpose road sweeper uses a technology that the dry operation and the wet operation can both be performed, the design of the double suction fan with ultra-strong suction, and a unique wet type diagonal flow dust removal technology, and is the all-weather road sweeper.
Owner:江苏飞球专用车制造有限公司

Method for preventing ice from covering surface of power transmission bare conductor

The invention discloses a method for preventing ice from covering the surface of a power transmission bare conductor, belonging to the technical field of power transmission conductor freezing prevention. A super-hydrophobic coating is covered on the surface of the power transmission bare conductor so as to prevent glaze ice coating from forming on the surface of the power transmission conductor, thereby preventing the harms caused to the reliable operation of a power system by incidents such as wire breakage, tower falling-down and conductor galloping and the like which are brought by ice covering of the power transmission conductor. The method utilizes a chemical etching method to constitute a surface with a micro-nano-pore structure on an aluminum conductor and an aluminum substrate, carries out modification with low-surface-energy material and then obtains the structural coating with good super-hydrophobicity. The coating can effectively prevent the glaze ice coating from forming on the surface in the condition of low-temperature drizzling or freezing rain and ice coating. The method has the advantages of simple operation, low cost, good ice prevention effect and the like.
Owner:NORTH CHINA ELECTRIC POWER UNIV (BAODING)

Device for measuring total pressure and total temperature of air flow at inlet of aeromotor

The invention discloses a device for measuring the total pressure and total temperature of air flow at an inlet of an aeromotor. The device provided by the invention is characterized by consisting of a fixed seat, a fixed nut, a total pressure tube, a total temperature tube and a pressure sensor, wherein the total temperature tube is connected with the total pressure tube through screw threads, the total pressure tube is connected with the fixed seat through threads, the fixed seat is fixed at the front edge of a rectifying support column on the inlet casing of the motor through the threads on the fixed seat by the fixed nut, and the pressure sensor is connected with an inner screw thread hole on the fixed seat through an adapter; the total temperature tube is internally provided with a precise temperature sensitive resistor; and an air-bleed tube adapter on the fixed seat 1 is provided with a flow limiter which is used for regulating the air flow introduced from the rear part of a compressor. According to the invention, not only can the measurement of the total pressure and total temperature of air flow at the inlet of a motor be realized, but also the total pressure tube can be prevented from air flow stagnation and the passageway can be prevented from being frozen.
Owner:BEIHANG UNIV

Porcelain insulating surface processing method for electric transmission line

The invention discloses a porcelain insulating surface processing method for an electric transmission line. The porcelain insulating surface processing method for the electric transmission line comprises the following steps of: spraying one layer of polytetrafluoroethylene material on the porcelain surface of a porcelain insulator; solidifying the porcelain insulator at the high temperature of 200DEG C for 5 minutes; carrying out high-temperature solidification processing on polytetrafluoroethylene coating. According to the porcelain insulating surface processing method for the electric transmission line, which is disclosed by the invention, one layer of polytetrafluoroethylene material is evenly sprayed on the porcelain surface of the porcelain insulator, so that water or dirt is difficult to adhere onto the surface of the polytetrafluoroethylene material, and the problems of dirt accumulation and ice coating can be effectively solved; the insulator combined with the polytetrafluoroethylene has low surface energy, the dirt is difficult to adhere to the insulator, and the porcelain insulating surface hydrophobicity is improved; the breakdown voltage of the polytetrafluoroethylene material is extremely high, the insulation performance is excellent, and the service life of the polytetrafluoroethylene material is equivalent to that of the porcelain insulator. The processing method disclosed by the invention is simple, the power outage re-coating problem of the RTV (room temperature vulcanization) technology is avoided, the ice and dirt prevention performance of the power grid can be greatly improved, the maintenance cost is reduced, and the long-term safe operation of a power grid is guaranteed.
Owner:STATE GRID CORP OF CHINA +1

Outdoor pan-tilt camera anti-icing structure and control method

The invention relates to an outdoor pan-tilt camera anti-icing structure. The outdoor pan-tilt camera anti-icing structure comprises a pan-tilt shell, a protection cover shell and a main shaft. The main shaft is transversely arranged on the pan-tilt shell in a rotating mode. The protection cover shell is fixedly arranged at one end of the portion, outside the pan-tilt shell, of the main shaft. An anti-icing mechanism controlled by a control unit is arranged in the gap between the pan-tilt shell and the protection cover shell. The anti-icing mechanism comprises a rotating wheel, a brushing disc and bristles, wherein the rotating wheel is arranged between the side wall of the pan-tilt shell and the main shaft in a rotating mode, the brushing disc is coaxially and fixedly arranged on the side wall of the rotating wheel, the bristles are fixedly arranged on the outer side end face of the brushing disc, the end portions of the bristles make contact with the side wall of the protection cover shell, and the rotating wheel rotates to drive the bristles to rotate. The control unit is connected with a temperature and humidity detection unit and a weight detection unit. The outdoor pan-tilt camera anti-icing structure is simple in structure and scientific and reasonable in design, the icing problem of the gap between a pan-tilt and the side wall of a protection cover is effectively solved, it is ensured that the pan-tilt camera can normally work all day long, and performance of the product is effectively improved.
Owner:TIANJIN YAAN TECH CO LTD

Method for manufacturing composite conductive wire and heating monofilament of composite conductive wire

The invention provides a method for manufacturing a composite conductive wire and a heating monofilament of the composite conductive wire. The composite conductive wire consists of a plurality of monofilaments which are stranded; more than one monofilament is the heating monofilament; the heating monofilament is at least partially made of ferromagnetic material with low Curie point; and the heating monofilament can produce heat when the surface temperature of the conductive wire is lower than the Curie point temperature so as to maintain the surface temperature of the conductive wire over a freezing temperature. The composite conductive wire of the invention not only can effectively prevent icing on the surface of the conductive wire on a power transmission line, but also does not produce a complex mounting process, and hardly increases the load of the conductive wire.
Owner:CHINA ELECTRIC POWER RES INST

Low-freezing-point nitric oxide reducing agent and preparation method thereof

InactiveCN104675483AAntifreeze raw materials are safe and easy to obtainImprove antifreeze effectExhaust apparatusDispersed particle separationExhaust gas emissionsNitric oxide
The invention provides a low-freezing-point nitric oxide reducing agent and a preparation method thereof. The low-freezing-point nitric oxide reducing agent consists of, by mass, 20%-32.5% of urea, 5%-10% of dimethyl sulfoxide, 40%-55% of pure water and one or more of 10%-20% of acid amide, amides and low molecular alcohols. The preparation method comprises the following steps of preparing raw materials, performing full mixing at the temperature ranging from 10 DEG C to 30 DEG C till all raw materials are completely dissolved into a water solution and mixed evenly, using a filter element with the filter accuracy ranging from 0.5 mum to 5 mum and filtering the raw material water solution under the pressure of 0.2-1 MPa to obtain a finished product. The anti-freezing agent raw materials have the advantages of being safe and easy to obtain, good in anti-freezing effect, non-toxic, harmless and the like. The freezing point of the reducing agent is greatly reduced, the problems of low-temperature crystallization and icing are solved, the anti-freezing performance of the nitric oxide reducing agent can be remarkably improved, and the freezing point can be lower than subzero 25 DEG C. A test shows that after engine exhaust gas is filled into an SCR aftertreatment system of the low-freezing-point nitric oxide reducing agent to be treated, the exhaust gas emission can be up to the national IV standard.
Owner:SICHUAN MEIFENG CHEM IND

Steam internal-combustion engine

The invention provides a steam internal-combustion engine, which replaces a spark plug of ordinary internal-combustion engine with a water injection spark plug, if an engine reaches the preset temperature limit, when the fuel combustion cycle starts, the water injection spark plug injects a small amount of water close to boiling point to a combustion chamber. A steam internal-combustion engine controller monitors the temperature of the engine, receives and changes the oil-injection pressure, starts and closes a water injection solenoid valve, and controls the water injection volume accurately. The steam internal-combustion engine provided by the invention can changes the ordinary automobile into a steam internal-combustion locomotive, can change water into hot water through effectively utilizing waste heat from combustion and discharge, and then changes the hot water into steam; the generated additional useful work pushes a piston, thereby reducing the consumption and emissions of fuel oil. The efficiency of the steam internal-combustion engine is of 40%, and is not 20% of the existing internal-combustion engine. The steam internal-combustion engine provided by the invention can be used for not only most automobiles but also any otto cycle (Otto Cycle) internal combustion engine, such as, the generator, the lawn mower and the like.
Owner:陈冠豪

Bridge deck anti-icing device

A bridge deck anti-icing device is composed of a transverse heat conduction pipe, a bridge deck main body with a groove, a bridge deck surface layer, a temperature control box, a heating source and a power line. The transverse heat conduction pipe is embedded into the groove of the bridge deck main body; the diameter of the groove is adapted to the transverse heat conduction pipe and the bridge deck surface layer covers the transverse heat conduction pipe. The transverse heat conduction pipe transversely passes through a whole lane and the other end of the transverse heat conduction pipe is connected with the heating source; the temperature control box is engaged with the heating source by the power line. When the temperature of a bridge deck is lower than 2 DEG C, the heating source is automatically opened by the temperature control box and a heat source is transmitted to the surface of the bridge deck heat conduction pipe, so that the bridge deck surface layer is heated and the bridge deck is prevented from being iced. The temperature of the bridge deck surface layer keeps more than 0 DEG C by the heat conduction pipe through the heating source; with the adoption of the device, the icing problem of the bridge deck can be solved, the driving safety is improved and the accidents are reduced.
Owner:陈黛丽

LNG vaporizer with step vaporization technology

The invention discloses an LNG vaporizer with a step vaporization technology. Partition plates are utilized by the vaporizer to divide a vaporizer shell into an LNG heat exchange cavity, a first heat exchange medium heat exchange cavity and a second heat exchange medium heat exchange cavity, and through holes are formed in the positions, between the cavities, of the partition plates; a plurality of heat pipes penetrate and stretch into three different cavities through the through holes, and a plurality of fins are arranged on the heat pipes in a penetrating stretching manner; LNG, first heat exchange media and second heat exchange media flow through respective heat exchange cavities respectively; the heat pipes serve as heat transfer bodies, and the step temperature rising method is adopted to achieve the aim that the second heat exchange media with the high temperature are utilized for enabling the temperature of LNG at the temperature of -163 DEG C to rise, and for vaporizing the LNG; evaporation ends and condensation ends of the heat pipes and middle refrigerants are reasonably utilized for solving the problem that in the vaporization process of the LNG, due to the low initial temperature, the heat exchange media are iced, and the vaporization performance of the vaporizer is worsened; and the flow of the second heat exchange media is utilized and adjusted to be matched with the vaporization amount of the LNG, and it is ensured that the LNG vaporizer efficiently and stably runs.
Owner:JIANGSU UNIV OF SCI & TECH

Energy-saving quick defroster

ActiveCN104457067ASolve the icingSolve the problem of temperature fluctuationsCorrosion preventionRefrigeration componentsControl theoryHigh pressure gas
The invention relates to an energy-saving quick defroster comprising a high-pressure gas bypass unit and a defrosting compressor unit. The high-pressure gas bypass unit and the defrosting compressor unit are parallelly connected with the high-pressure side of a refrigerating system and an evaporator. By the use of the energy-saving quick defroster, solved are such problems that during defrosting the refrigerating and heating air conditioner unit takes long time of defrosting, the evaporator side temperature changes sharply and energy consumption is high. Compared with the prior art, the energy-saving quick defroster is energy efficient, high in defrosting speed, low in temperature fluctuation and significant to solving the haze problem.
Owner:山东汇通能源利用集团有限公司

Heavy automobile rain test system and process

The invention relates to a heavy automobile rain test system and a process. The heavy automobile rain test system includes a rain test room and a rain area arranged in the rain test room, a bumping belt area, a blowing area, and heating areas are arranged in the rain test room, a ground heating area is arranged at the outlet of the rain test room, the rain area, the bumping belt area, and the blowing area are successively arranged in sequence from the inlet to the outlet of the rain test room, the heating areas are arranged at the inner two sides of the walls of the rain test room, the rain area includes rain equipment being composed of pipelines, a nozzle, and an undercarriage, controlled by a PLC, capable of realizing automatic rain functions, and guaranteeing the reliability of the rain test by means of a plurality of travel in-place switches, the bumping belt area is provided with bumping belt facilities arranged on the ground, the blowing area is provided with blowing equipment, the heating area is provided with heating facilities, and the ground heating area is provided with ground heating facilities for part of moisture which is not cleaned to vapor.
Owner:SINO TRUK JINAN POWER

Automatic deicing device of barrel head of chimney and deicing method thereof

The invention relates to an automatic deicing device of a barrel head of a chimney and a deicing method thereof. The device comprises steel needles which are arranged on the top portion of the barrel head of the chimney, a main heating pipe which is arranged on the periphery of the inner side of the top portion of an inner barrel of the chimney and a deicing pipe which is arranged outside the top portion of the chimney. A water drainage layer is further arranged on the outer surface of the barrel head. According to the device, the steel needles are arranged on the barrel head of the chimney, small ice particles which are possible to be formed are shaken off by shaking of the steel needles under the action of the wind, automatic venting heat exchanging and deicing devices are arranged inside and outside the barrel head and matched with the water drainage layer of the outer surface of the barrel head, so that the freezing problem of the barrel head can be solved effectively.
Owner:HENNAN ELECTRIC POWER SURVEY & DESIGN INST

Engine crankcase ventilation system and method

The invention relates to an engine crankcase ventilation system and method. The system comprises an engine crankcase, one end of a PCV valve communicates with an oil-gas separator, one end of the PCVvalve communicates with the air inlet end of an intake manifold through a first one-way valve, and one end of the PCV valve communicates with one output end of a supercharger and an EGR mixing valve through a second one-way valve, an EGR cooler communicates with the input end of the EGR mixing valve, the other output end of the EGR mixing valve communicates with an air filter, the other end of thesupercharger communicates with the air inlet end of the intake manifold, and the air outlet end of the intake manifold communicates with an engine cylinder cover. According to the system, an engine oil aging speed can be effectively reduced, engine oil emulsification risk of a valve chamber cover, an oil filling cover and the wall surface of the oil-gas separator can be reduced, and the problem of a failure of icing at the tail end of a breathing tube in winter can be solved.
Owner:KUNMING YUNNEI POWER +1

Water side evaporation cooling system for auxiliary mechanical refrigeration

The invention discloses a water-side evaporation cooling system for an auxiliary mechanical refrigeration. The water-side evaporation cooling system comprises an indirect evaporation cooling water chilling unit, wherein the indirect evaporation cooling water chilling unit is connected to a plate type heat exchanger through a circulating water pipe A to form a closed pipe loop; the plate type heatexchanger is sequentially connected to an air cooling water chilling unit and an air conditioner tail end through a circulating water pipe B to form a closed pipe loop; and a circulating water pipe Cis further arranged on the circulating water pipe B, and the circulating water pipe C is connected to the indirect evaporation cooling water chilling unit. According to the water side evaporation cooling system, different running modes are adopted for different seasons, a water side evaporation cooling technology and an ethylene glycol natural cooling technology are fully utilized, the full-year operation cost of a data center is reduced, the use energy consumption is low, the whole refrigeration system can stably supply cold for a data machine room in the whole year, and good practical valueis achieved.
Owner:ZHEJIANG JINLING REFRIGERATION ENG

Water dispenser

The invention provides a water dispenser. The water dispenser comprises an evaporator used for conducting heat exchange on water in a cold tank so as to refrigerate the water in the cold tank, and a water pump connected with a water outlet of the cold tank and used for conveying the water in the cold tank to the top face of the liquid level of the cold tank under the condition that the water pump is connected with the water outlet of the cold tank. In the scheme, cold water of the water outlet of the cold tank is conveyed back into the cold tank again, the water in the cold tank is promoted to flow, and super-cooled water around the evaporator is rapidly mixed, so that the problem that the periphery of the evaporator is frozen is solved; and the lower cold water temperature can be obtained, and the refrigerating efficiency is improved.
Owner:GREE ELECTRIC APPLIANCES INC

Air conditioning room outdoor machine fit for low-temperature environment

The invention relates to an air conditioning room outdoor machine fit for low-temperature environment, which comprises a machine body, an air inlet, an air outlet, an air compressor and a fan, wherein a heat conducting tube is arranged on the air inlet of the machine body; one side of the heat conducting tube is inserted in a heater; and the anti-freezing conducting liquid and a heating plate soaked in the anti-freezing conducting liquid are arranged in the heater. The machine quickly preheats the surrounding cold air through the heat conducting tube on the air inlet, so as to prevent the normal running from being affected by the cold air frozen at the air inlet of the outdoor machine. At the moment, the air absorbed by the fan is the air firstly heated by the heat conducting tube, therefore relieving the compressing work of the air compressor, prolonging the service life thereof, and decreasing the energy required by the air compressor for compressing and heating. The heating speed of the outdoor machine is high and the heat conducting tube has double function which not only overcomes the shortcomings of affecting work by the frozen shell of the traditional outdoor machine but also preheats the air fed into the fan, so the outdoor machine of the invention has reasonable structure and achieves the energy-saving effect.
Owner:中山市格普斯纳米电热科技有限公司

Battery thermal management system for electric automobile heat pump

The invention relates to a battery thermal management system for an electric automobile heat pump. The system comprises an air conditioning management system and a battery management system connectedwith the air conditioning management system; the air conditioning system comprises an air conditioning box, and an external heat exchanger, a gas-liquid separator and a compressor are arranged outsidethe air conditioning box; the battery management system comprises a battery cooler, a first branch and a second branch, the first branch and the second branch are connected with the battery cooler, the first branch comprises a first water pump, a second high-voltage PTC and a battery pack, and the second branch comprises a second water pump, an electric controller, a motor and a low-temperature water tank. A three-way valve is communicated between one side of the external heat exchanger and an internal heat exchanger, and the other side is respectively communicated with liquid inlets of ab evaporator and a battery cooler; the battery cooler can be used for absorbing waste heat emitted by the motor and the electric controller and waste heat emitted by the battery when the air conditioningsystem conducts heating, heat in air is absorbed through the low-temperature RAD, and therefore the heating performance of the air conditioning system is improved.
Owner:ANHUI JIANGHUAI SONGZ AIR CONDITIONING

Refrigerator

Provided is a refrigerator. The refrigerator includes a main body having a storage space; a door opening or closing the storage space; a dispenser provided in the door to dispense cooled water and purified water; a purified water input part provided in the dispenser to input a command for dispensing the purified water; a cooled water input part provided in the dispenser to input a command for dispensing the cooled water; a dispensing amount input part for setting an amount of purified water to be dispensed when the purified water is selected through the purified water input part; a filter device provided within the storage space to purify water supplied from a water supply source outside the main body; a water tank storing the water passing through the filter device and configured to cool the stored water by using cool air; a purified water passage guiding the purified water filtered in the filter device into the dispenser; a cooled water passage guiding the cooled water cooled in the water tank into the dispenser; a purified water valve controlling a water flow in the purified water passage; and a cooled water valve disposed in a passage connecting the filter device to the water tank to control a water flow in the cooled water passage. When the purified water is selected through the purified water input part, the purified water valve is opened, and the cooled water valve is closed, when an amount of water set through the dispensing amount input part has been dispensed, the purified water valve is closed, and when the cooled water is selected through the cooled water input part, the cooled water valve is opened, and the purified water valve is closed.
Owner:LG ELECTRONICS INC

High temperature resistance heat conduction and thermal insulation PE pipe

The invention discloses a high temperature resistance heat conduction and thermal insulation PE pipe. The high temperature resistance heat conduction and thermal insulation PE pipe comprises an outer pipe, an inner pipe, a thermal insulation layer, a heat conduction layer, a heating pipe, a wire and an external heating source, the thermal insulation layer is arranged between the outer pipe and the inner pipe, the heat conduction layer is arranged between the inner pipe and the thermal insulation layer, the heating pipe is located in the heat conduction layer, and the external heating source is connected with the heating pipe through the wire. By means of the method, the high temperature resistance heat conduction and thermal insulation PE pipe is mainly used for water transportation and is particularly suitable for the occasions where water can not outflow or water pipes are broken due to the fact that the air temperature of north China is low all year long and pipelines easily freeze.
Owner:TAICANG CHENZHOU PLASTIC

SBBR+HVC biological enhanced artificial wetland waste water resource integration treatment system and integrated treatment method thereof

The invention relates to an SBBR+HVC biological reinforced artificial wetland waste water resource integration processing system and an integrated processing method thereof. On the basis of pre-treatment process such as grille, oil removal, air floatation and hydrolytic acidification and the like and combining SBBR batch biofilm reactor and HVC biological enhanced artificial wetland, the system radically solves the technical bottleneck that the existing waste water treatment system has poor dephosphorization and denitrification effect on the slaughtering and meat processing waste water and theconventional artificial wetland treatment process cannot stably operate in winter, and remarkably improves the effect of dephosphorization and denitrification, and is energy-saving and environment-friendly. By establishing a new mode of biological and ecological combined sewage treatment and utilization, not only can the slaughter and meat processing waste water be effectively prevented from polluting the environment, but also the water resource utilization rate of the industry wastewater can be improved.
Owner:SHENYANG ACAD OF ENVIRONMENTAL SCI

Light emitting diode (LED) device

The invention provides a light emitting diode (LED) device. The device comprises an LED module and a power driver used for providing electricity to the LED module, wherein the LED module comprises visible LED chips and infrared LED chips. The device also comprises a temperature sensor, wherein the temperature sensor is used for sensing the temperature of the surface of the LED module; and when the temperature of the surface of the LED module, which is sensed by the temperature sensor, is lower than 0, the temperature sensor sends a control signal to the power driver to control the power driver to output current to the infrared LED chips so that the infrared LED chips emit infrared light to melt ice on the surface of the LED module.
Owner:FOXSEMICON INTEGRATED TECHNOLOGY (SHANGHAI) INC +1

Construction method for anti-icing road face

The invention belongs to the field of road construction and particularly relates to a construction method for an antifreeze road body. The construction method comprises the following steps that 1, power-on test is conducted on heating cables to be laid before the heating cables to be laid enter a field, whether the heating cables work normally is detected, and the road face base layer is leveled and cleaned; 2, a damp-proof layer is laid; 3, a heat insulation layer and a reflection layer are laid; 4, a heat dissipation layer is laid; 5, a heating cable layer is laid; 6, a temperature sensing probe is arranged; 7, a road face cushion layer is laid; and 8, a road surface layer is laid. The problem of road face freezing is solved thoroughly, the road face is heated before the road face freezes, the performance of the road body is improved while it is ensured that the road face does not freeze, and the situation that the road face freezes to affect the performance of the road body and shorten the service life of the road body is prevented. The service life of the road body can be prolonged through the design of the road body, and safety of the road face is improved.
Owner:浙江佳中木业有限公司

Anti-freezing POC type gas cabinet

The invention relates to an anti-freezing POC type gas cabinet, and belongs to the technical field of gas storage engineering. The anti-freezing POC type gas cabinet comprises a cabinet body and a piston which is arranged in the cabinet body and moves up and down, wherein the cabinet body comprises stand columns, side plates and T-shaped steel; an electric heating belt and a heat insulation layerare arranged on the outer wall of each side plate; heat insulation layers cover the T-shaped steel and the stand columns; and the upper part of the piston is coated with a heat insulation layer. According to the anti-freezing POC type gas cabinet, a heating heat insulation device is arranged on the outer side of the cabinet body and the heat insulation layer is arranged in the piston area, so thatsafe and stable operation of the gas cabinet in a cold area under the condition that the input heat of the gas is smaller than the heat dissipation is achieved.
Owner:CISDI ENG CO LTD

Air door assembly control method and control device as well as equipment

The invention discloses an air door assembly control method and control device as well as equipment. An air door assembly comprises a shell, an air door and electromagnetic driving parts; an air ductis defined in the shell, and the shell is provided with an air outlet and an air inlet; the air door is used for communicating or dis-communicating the air inlet with the air outlet, and the air dooris completely or partially made of a heat conduction material part; and the electromagnetic driving parts are connected with the air door and drives the air door to be switched between an opened stateand a closed state. The control method comprises the following steps that whether the air door is abnormal or not is judged; and if the air door is abnormal, the electromagnetic driving parts are controlled to alternately execute opening actions and closing actions both with the preset period duration. The novel control method is provided for the electromagnetically-driven air door, so that the freezing or blocking plugging conditions at the air door can be quickly eliminated, normal operation of the air door is ensured, and the reliability is high.
Owner:HEFEI HUALING CO LTD +2

Anti-freezing road

InactiveCN104894944ASolve traffic accidentsSolve travel safety hazardsPaving detailsAnti freezingRoad surface
The invention belongs to the field of roads, and particularly relates to an anti-freezing road capable of preventing icing in cold days. The anti-freezing road comprises a moistureproof layer, a heat insulating layer, a heat-generating cable layer, a road cushion layer and a road layer which are laid on a road base layer sequentially from bottom to top, the road base layer is leveled and cleaned, the heat insulating layer prevents heat from being transmitted and lost downwards, the road cushion layer fixes and protects the heat-generating cable layer, a uniform heat allowance protecting gap is arranged between the edge of the heat-generating cable layer and the edge of the heat insulating layer, the heat-generating cable layer comprises heat-generating cables arranged on the heat insulating layer, temperature sensing probes are arranged among the heat-generating cables, and uniform heat gaps are reserved between the temperature sensing probes and the heat-generating cables. By the anti-freezing road, the problem of road icing is solved thoroughly, and a road is heated before icing of the road, so that the road is ensured not to ice while performance of the road is improved, and influence on road performance and shortening of service life of the road due to road freezing are prevented. By the designing mode, service life of the road can be prolonged, and safety of the road can be improved.
Owner:浙江佳中木业有限公司
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