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63results about How to "Resolve freeze" patented technology
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Passive safety shell cooling system
ActiveCN102637465AMaintain integrityAchieve recyclingNuclear energy generationCooling arrangementChillerEvaporator
The invention aims at providing a passive safety shell cooling system comprising a water tank, an inner evaporator pipe bundle, a steam-water separator and an outer air cooler, wherein the water tank is positioned in an annular cavity formed by an inner-layer concrete safety shell and an outer-layer concrete safety shell; the outer air cooler is positioned between the dome of the inner-layer concrete safety shell and the dome of the outer-layer concrete safety shell; both an inner evaporator and the steam-water separator are positioned inside the inner-layer concrete safety shell; two ends of the inner evaporator are respectively connected with the steam-water separator through two pipes; the steam-water separator is connected with the outer air cooler through a first pipe extending out of the inner-layer concrete safety shell; and the inner evaporator pipe bundle is communicated with the water tank through a second pipe extending out of the inner-layer concrete safety shell. When accidents such as LOCA (Loss Of Coolant Accident) and MSLB (Main Steam Line Break) occur, the passive safety shell cooling system can be used for safely and reliably conducting heat out of the safety shell for a long term, ensuring the temperature inside the safety shell, and guaranteeing that pressure is no more than a limiting design value, thereby maintaining the integrity of the safety shell.
Owner:HARBIN ENG UNIV
Low-temperature nickel-hydrogen battery and preparation method thereof
ActiveCN102956893AImprove low temperature charge and discharge efficiencyImprove low temperature performanceFinal product manufactureCell electrodesNickel oxide hydroxideCobalt
The present invention discloses a low-temperature nickel-hydrogen battery, which comprises a positive electrode, a negative electrode and an electrolyte, wherein active materials of the positive electrode comprise nickel hydroxide, cobalt-coated spherical nickel hydroxide, and yttrium oxide, a weight ratio of the nickel hydroxide to the cobalt-coated spherical nickel hydroxide to the yttrium oxide is 100:5-15:1-3, a substrate of the positive electrode is foam nickel, and the edge of the foam nickel has a compaction white edge with a width of 2-3 mm. The present invention further discloses a preparation method for the low-temperature nickel-hydrogen battery. The low-temperature nickel-hydrogen battery can maintain high charging efficiency under a low temperature environment, such that electrolyte solidification inside the nickel-hydrogen battery under a low temperature environment can be avoided, and a use temperature range of the nickel-hydrogen battery is expanded. In addition, characteristics of simple preparation and low cost are provided.
Owner:TIANNENG SAFT ENERGY JOINT CO
Hot water heater of air conditioning heat pump and antifreezing control method therefor
InactiveCN106440583AImprove stabilityIncrease water temperatureHeat pumpsRefrigeration safety arrangementEngineeringAir conditioning
The invention discloses an antifreezing control method for a hot water heater of an air conditioning heat pump. The method comprises the following steps of: collecting water temperature values of a water system of a unit of the hot water heater of the air conditioning heat pump at to-be-detected parts in a water circulating pipeline; and when the water temperature value at any one of the to-be-detected parts is smaller than a corresponding set temperature value, starting an auxiliary heating device at a corresponding part so as to raise the temperature of the part and the water temperature of the water system. The method disclosed by the invention can solve the problem that the hot water heater of the air conditioning heat pump is frozen as parts of the water system are frozen due to over-low water temperature in the water system.
Owner:GD MIDEA HEATING & VENTILATING EQUIP CO LTD +1
Multiple-temperature-gradient utilizing system using solar heat collection
InactiveCN104864630AResolve freezeTo meet the needs of different use in winterSolar heat devicesClimate change adaptationLithium bromideEngineering
The invention discloses a multiple-temperature-gradient utilizing system using solar heat collection. According to the system, three temperature storage water tanks with water of different temperatures contained are adopted, distribution of the water of different temperatures in all the water tanks is adjusted in an optimized mode, hence, gradient utilization can be acheived, and the cooling and heating requirements can be met. Domestic hot water of two different temperatures can be provided by the system, the cooling or heating requirement and the anti-freezing requirement of the radiation tail end of a capillary tube under different season conditions can be met, and thus the comfort, high efficiency and safety are guaranteed. The solar heat utilization and thermoelectricity integration combined supply technology is adopted in the system. The device is provided with a novel solar thermal collector-photovoltaic / photo-thermal collector (PVT) with photovoltaic power generation and solar low-temperature heat utilization integrated. The device comprises a solar high-temperature collector end, a solar PVT intermediate temperature collector end, a lithium bromide absorption type refrigeration low-temperature water storage end, an indoor capillary tube cooling and heating radiation end, a winter anti-freezing exhausting pipeline protection end and a biomass supplementary heat source and domestic hot water making end.
Owner:SOUTHEAST UNIV
Process for lyophilization and heavy hydrocarbon removal of petroleum natural gas
InactiveCN1844334ASimple processLess investmentLiquid hydrocarbon mixture recoveryGaseous fuelsVapor–liquid separatorTherapeutic effect
The invention relates to a method for lyophilisation and heavy hydrocarbon-free of petrogenic natural gas, which is used for purification treatment of petrogenic natural gas. The method consists of inputting wet petrogenic natural gas into heat regenerator to exchange heat with cold dry gas, afterwards evaporating the raw gases in evaporator, in which the cooled raw gases pass through the vapor-liquid separator with an evaporator installed inside it and the refrigerating unit provides the cooling medium, condensing and separating the water and clean oil in them, eventually reaching a good purification treatment effect for lyophilisation and heavy hydrocarbon-free of petrogenic natural gas. The invention has advantages that the adopted plants are of simple process flow, small investment and good purification effect, which can solve gelation problem that produced by traditional freezing method in which the temperature reduces below the freezing method and has acquired good purification effect for oil gas.
Owner:LIAOHE GASOLINEEUM EXPLORATION BUREAU
Exhaust steam cooling system and exhaust steam cooling method
PendingCN109469522AResolve freezeSimple structureEngine componentsSteam engine plantsInlet valveSteam trap
The invention provides an exhaust steam cooling system and an exhaust steam cooling method. During the zero-output heat supply operation of a low-pressure cylinder of a steam turbine, a heat supply butterfly valve arranged on a communicating pipe between a high-pressure cylinder and the low-pressure cylinder is closed, a steam adjusting valve on a cooling steam bypass is opened, a steam inlet valve of an exhaust steam cooler, a condensation water drain valve of the exhaust steam cooler and an evacuation air valve of the exhaust steam cooler are opened, the water inlet valve of the exhaust steam cooler and a water drain valve of the exhaust steam cooler are opened, the water inlet valve of an air condenser, a condensation water drain valve of the air condenser and an air outlet air valve ofthe air condenser are closed, the exhaust steam of a unit enters the exhaust steam cooler for condensation, and the condensed water flows back to a main machine steam discharging device. All steam inlet valves of a steam distribution pipe of the air condenser are closed, the air condenser is isolated, all the exhaust steam of the steam turbine set is introduced into the exhaust steam condenser for condensation, and the condensed water flows back to the main machine steam discharging device, so that the problem of freezing of the air condenser in the zero-output heat supply running process ofthe direct air cooling unit in heat supply season is thoroughly solved.
Owner:XIAN THERMAL POWER RES INST CO LTD +1
Air conditioner control method and device, air conditioner and readable storage medium
InactiveCN112710067AResolve freezeRealization of anti-freeze and dehumidification controlMechanical apparatusSpace heating and ventilation safety systemsProcess engineeringIce formation
The invention provides an air conditioner control method and device, an air conditioner and a readable storage medium. The air conditioner control method comprises the steps of obtaining the environment temperature value of an outdoor unit of the air conditioner; judging whether the environment temperature value meets an anti-freezing dehumidification control condition or not; and performing anti-freezing dehumidification control if it is judged that the anti-freezing dehumidification control condition is met. The anti-freezing dehumidification control comprises the steps of obtaining the temperature value of an evaporator; and regulating the valve step value of a target electronic expansion valve of the air conditioner according to the temperature value of the evaporator, and regulating the speed value of an outer fan of the air conditioner so as to maintain the temperature of an evaporator coil. According to the air conditioner control method provided by the embodiment of the invention, the freezing problems of frosting, freezing and the like of an indoor unit during dehumidification control of the air conditioner are solved.
Owner:NINGBO AUX ELECTRIC +1
Heat exchange system of refrigerating unit
ActiveCN102914087ASolve the problem of freezing in winterImprove reliabilityEvaporators/condensersFluid circulation arrangementEngineeringOil cooling
The invention provides a heat exchange system of a refrigerating unit. The heat exchange system of the refrigerating unit comprises a first heat exchanger, and the first heat exchanger comprises an oil-cooling heat exchange tube, a refrigerant heat exchange tube and a heat exchange medium passage, wherein the oil-cooling heat exchange tube and the refrigerant heat exchange tube are independent from each other and share the heat exchange medium passage for heat exchange. By the aid of the integral structure combining an oil-cooling heat exchanger with the side-refrigerating heat exchanger, the problem that a waterway of the oil-cooling heat exchanger is frozen in winter is prevented, and reliability of an oil-cooling system is improved while the problem of waterway bypassing when the oil-cooling heat exchanger is unused is also solved. A heat exchange medium connecting pipeline of the heat exchange system of the refrigerating unit is omitted, and the number of the exchangers is decreased, so that the cost of the oil-cooling system of the refrigerating unit is lowered greatly. Besides, when the refrigerating unit is used for heating, the heating performance of the unit is also improved by oil-cooling heat exchange.
Owner:青海民泽龙羊峡生态食品有限公司
Intelligent temperature control system for protecting arc-extinguishing medium of SF6 circuit breaker in alpine region from being liquefied
InactiveCN106971899AResolve freezeImprove tidinessHigh-tension/heavy-dress switchesAir-break switchesInternal temperatureHigh pressure
The invention discloses an intelligent temperature control system for protecting the arc-extinguishing medium of an SF6 circuit breaker in an alpine region from being liquefied, and relates to the high-voltage electrical field. The invention aims at effectively increasing the temperature of the arc-extinguishing medium of the SF6 circuit breaker and the temperature of the working environment of an operating mechanism. The system consists of a heating band unit, a temperature display adjustment unit, a temperature collection and transmission unit, and a self-powered supply unit. The temperature collection and transmission unit enables the temperature data of an arc extinguish chamber and a circuit breaker cross beam box to be transmitted to the temperature display adjustment unit in a wireless mode, and the temperature display adjustment unit carries out the comparison processing of the data. A subsequent heating band circuit is driven to adjust the internal temperature of the arc extinguish chamber and the circuit breaker cross beam box. The system achieves the closed-loop control, effectively increases the temperature of the arc-extinguishing medium of the SF6 circuit breaker and the temperature of the working environment of the operating mechanism, and improves the work stability of the circuit breaker.
Owner:ZHENGZHOU UNIV
Plate-type evaporative condenser for direct air-cooling unit
PendingCN108180767AReduce exhaust pressureReduce energy consumptionSteam useSteam/vapor condensersInlet valveEngineering
The invention discloses a plate-type evaporative condenser for a direct air-cooling unit. The plate-type evaporative condenser comprises corresponding pipelines, valves and the like. After low-pressure-cylinder zero-output heat supply reformation is performed on the direct air-cooling unit, the flow of steam entering the air-cooled condenser is significantly reduced; in order to prevent an air-cooling heat exchange tube bundle from freezing, an air-cooling island steam distributing pipe inlet valve can be switched off in low-pressure-cylinder zero-output heat supply operation of the direct air-cooling unit in the heat supply season, and exhaust steam of the unit flows back to a main unit thermal system after entering the plate-type evaporative condenser for condensation. The plate-type evaporative condenser can serve as a peak cooling system for the high-temperature and high-load section of the direct air-cooling unit in summer, and the purpose of reducing operation back pressure to save energy and reduce consumption is achieved.
Owner:XIAN XIRE ENERGY SAVING TECH
Production process and device for preparing ethylene through dehydration of ethanol
The invention provides a production process and device for preparing ethylene through dehydration of ethanol. According to the invention, an ethanol dehydration reaction system, a quenching compression system, an alkaline tower system, a molecular sieve regeneration system, an ethylene purification system, a propylene refrigeration circulation system and the device are arranged. The production process comprises the following steps: feeding ethanol to the ethanol dehydration system, and carrying out a dehydration reaction to obtain reaction gas; cooling and separating the reaction gas in the quenching compression system, and returning the recovered ethanol to the ethanol dehydration reaction system; feeding crude ethylene, carbon dioxide, water and the like to the alkali washing and molecular sieve system, and removing carbon dioxide and water to obtain crude ethylene; feeding the crude ethylene to the ethylene purification system to obtain an ethylene product; and providing cooling quantity for the ethylene purification system via the propylene refrigeration circulation system. According to the process, gradient utilization of heat of high-temperature reaction product gas is designed; a propylene circulation compression refrigeration system is adopted to provide a low-temperature refrigerant, so energy consumption in the process is effectively reduced; and external water replenishing is canceled while sewage discharge of the system is reduced, so water resource consumption is reduced.
Owner:TIANJIN UNIV
Anti-freezing control method of water multi-split system, computer-readable storage medium, and air conditioner
InactiveCN110986276AResolve freezeEasy to useMechanical apparatusSpace heating and ventilation safety systemsThermodynamicsOutfall
The invention provides an anti-freezing control method of a water multi-split system, a computer-readable storage medium, and an air conditioner. A current unit operation mode state is detected to determine whether an anti-freezing mode needs to be entered or not, if it is determined that the anti-freezing mode needs to be entered, a temperature range is distinguished by detecting ambient temperature, the water inlet temperature of the water inlet of the water side of a cold and hot water generator, the water outlet temperature of the water outlet of the water side of the cold and hot water generator, and the internal anti-freezing temperature of the water side of the hot and cold water generator are further detected, analyzing and calculation are conducted based on the water inlet temperature, the water outlet temperature, and the anti-freezing temperature, and then the unit is controlled to adjust related operating parameters. Through multi-conditional coupling control of the ambienttemperature, the water inlet temperature, the water outlet temperature, and the anti-freezing temperature, different from a traditional single condition judgment, misjudgment in an anti-freezing process can be effectively prevented, and a control idea giving consideration to accuracy, comfort, and energy saving is provided.
Owner:GREE ELECTRIC APPLIANCES INC
Artemisia extract composition for skin, product prepared by using artemisia extract composition and application of product
ActiveCN110664858AAnti-allergicHas a detoxifying effectAntimycoticsHydroxy compound active ingredientsDermatomalOrganic chemistry
The invention discloses an artemisia extract composition for skin, a product prepared by using the artemisia extract composition and application of the product. The composition comprises 5-10% of artemisia volatile oil, 10-20% of artemisinin, 25-45% of pseudo-ginseng leaf glycoside, 7-20% of baicalin, 7-15% of oleanolic acid and 5-10% of borneol in percentage by weight. The product is used for treating skin diseases, and is high in safety, good in compliance and remarkable in efficacy.
Owner:云南青之浩生物科技有限公司
Removable movable sieve jigging dry-type coal picking machine
The invention relates to coal separation equipment, in particular to a removable movable sieve dry-type coal picking machine. The coal picking machine comprises a controllable material inputting device and further comprises a first section dry-type movable sieve jig and a second section dry-type movable sieve jig, wherein the first section dry-type movable sieve jig comprises a box body, the box body is internally provided with a first section movable sieve, a first section movable sieve drive device, a first section gangue removing device and a first section vibrating sieve, the box body is further provided with a first section air inlet, a first section air outlet, a first section gangue material discharge opening, a first section lump coal outlet and a first section clean coal outlet, the second section dry-type movable sieve jig comprises a box body, the box body is internally provided with a second section movable sieve, a second section movable sieve drive device, a second section gangue removing device and a second section vibrating sieve, the box body is further provided with a second section air inlet, a second section air outlet, a second section gangue material discharge opening, a second section lump coal outlet and a second section clean coal outlet. The removable movable sieve jigging dry-type coal picking machine is designed and developed aimed at a small-size coal mine, the selection rate of coal of our country can be sharply increased, and the economic and social benefits of coal in national economy are increased.
Owner:DATONG YULONG ENVIRONMENTAL PROTECTION
Motor
ActiveCN109104043AImprove energy efficiencyEven heat dissipationMagnetic circuit stationary partsManufacturing dynamo-electric machinesEngineeringSemiconductor
A motor is provided. The motor comprises a housing, a stator and a rotor. The stator further has a plurality of heat dissipation hole groups, each heat dissipation hole group having two first strip-shaped holes arranged on both sides of a corresponding stator slot, each first strip-shaped hole extending in an axial direction of the stator and opening toward a radially outer side of the stator; thehousing is provided with a plurality of second strip holes, and each second strip hole corresponding to a first strip hole. The motor further includes a plurality of first semiconductor cooling sheets, each semiconductor cooling sheet being inserted into a first strip-shaped hole, and a cold end face of each semiconductor cooling sheet facing a stator slot adjacent thereto; an outer heat dissipation device is arranged on the outer surface of the housing; a plurality of first heat conduction fins are included, each of which is connected with an external heat dissipation device, and each of thefirst heat conduction fins is inserted into a second strip hole and a corresponding first strip hole, and contacts with a hot end surface of a semiconductor cooling sheets in the first strip hole. The motor has high heat dissipation efficiency and excellent motor performance.
Owner:浙江江宇电机有限公司
Motor
ActiveCN109120106AImprove performanceFast deliveryMagnetic circuit stationary partsCooling/ventillation arrangementHeat conductingEngineering
The invention provides a motor. The motor includes a shell, a stator, and a rotor; a plurality of heat transfer through holes are formed in a stator core; each heat transfer through hole includes a first strip-shaped hole of which the opening faces the radial outer side of the stator, and a plurality of rectangular oil holes of which the openings face the radial inner side of the stator, wherein the rectangular oil holes are distributed along the length direction of the first strip-shaped hole at intervals; each first strip-shaped hole extends along the axial direction of the stator; each rectangular oil hole is communicated with the corresponding first strip-strip hole, so that each heat transfer through hole can be communicated with the inner side and outer side of the stator core; a plurality of second strip-shaped holes are formed in the shell; each second strip-shaped hole is corresponding to one first strip-shaped hole; the motor further comprises a plurality of heat conducting devices; and each heat conducting device comprises heat conducting sheets; one side of each heat conducting sheet is inserted into the bottom of the corresponding first strip-shaped hole, and the otherside of the heat conducting sheet is inserted at least into the bottom of the corresponding second strip-shaped hole, and therefore, the heat of the inner side of the stator core can be at least transferred to the shell. The motor has the advantages of high heat dissipation efficiency and excellent motor performance.
Owner:浙江江宇电机有限公司
Solar water heater and methane tank combined power generation device and control method
ActiveCN106368818AResolve freezeGuaranteed uptimeBioreactor/fermenter combinationsSolar heating energyUser deviceOrganic Rankine cycle
The invention discloses a solar water heater and methane tank combined power generation device. The solar water heater and methane tank combined power generation device comprises a heat collector system, a gas turbine power generation device, a methane generation device and an organic Rankine cycle power generation system. The heat collector system comprises a solar heat collector, a user device and a heating medium water pump. The organic Rankine cycle power generation system comprises a heat exchange chamber, an expander, a power generator, a working medium pump, a condenser and a refrigerant water pump. The heat exchange chamber comprises a first heat exchanger, a first three-way electromagnetic valve, a first check valve, a first electromagnetic valve, a second check valve, a second heat exchanger, a third check valve, a fourth check valve, a second electromagnetic valve, a third heat exchanger and a second three-way electromagnetic valve. The invention further discloses a control method for the solar water heater and methane tank combined power generation device. The combined device can efficiently run, the demands for gas, hot water and electric energy in daily life are met, and gradient utilization of energy is achieved.
Owner:南京紫金山人工智能研究院有限公司
Solar water heater antifreezing system capable of exchanging heat through direct contact of gas and liquid
PendingCN110762865AResolve freezeImprove operational efficiencySolar heating energyGeothermal energy generationSolar waterEngineering
The invention discloses a solar water heater antifreezing system capable of exchanging heat through direct contact of gas and liquid. The solar water heater antifreezing system comprises a solar thermal collector, a direct contact heat exchanger, a gas storage box and a geothermal buried pipe, wherein the direct contact heat exchanger is used for perform circulating heat exchange through direct contact of high-temperature gas and water in the solar thermal collector to improve the temperature of the water in the solar thermal collector; the gas storage box is connected with a high-temperatureinlet of the direct contact heat exchanger through an electromagnetic valve; and the geothermal buried pipe is connected with the gas storage box through a gas boosting pump. Geothermal energy in soilis absorbed by gas filled in the geothermal buried pipe and the low-temperature water in the solar thermal collector is heated by a gas and liquid direct contact heat exchange mode, so that the phenomenon that the solar thermal collector is frozen in low-temperature weather is avoided, heat exchange speed is high, efficiency is high and energy is saved.
Owner:TIANJIN UNIV OF COMMERCE
Rotary type electric air door blade anti-freezing method
PendingCN114251909AGuaranteed to workResolve freezeLighting and heating apparatusCooling fluid circulationControl systemIcebox
The invention discloses an anti-freezing method for blades of a rotary electric air door, and relates to the technical field of electric air doors of refrigerators. The anti-freezing method comprises the following steps that the refrigerator is powered on, the control system operates, and the monitoring module monitors the state of the rotary electric air door; the opening state of the electric air door and the duration of maintaining the secondary state are judged; and when the duration time is larger than the preset value, the control module controls the rotary electric air door to execute the anti-freezing instruction. By timely controlling the action of the blades of the rotary electric air door and reasonably starting the heating wire of the rotary electric air door, the problem that the existing blades are frozen at low temperature is effectively solved, and normal work of the rotary electric air door is ensured.
Owner:CHANGHONG MEILING CO LTD
Anti-freezing pipeline
The invention relates to an antifreeze pipeline. It includes a pipeline, and in the pipeline, a thin electric heating sheet is arranged along the length direction of the pipeline, and the thin electric heating sheet is heated by a power supply located at the end of the pipeline. It can solve the problem of water pipes freezing in winter.
Owner:镇江市中能机械设备有限公司
Combined-submerged pit water process and equipment
InactiveCN102153167ASimple processNo need for manual disassembly and cleaningWater/sewage treatment bu osmosis/dialysisFiberHollow fibre
The invention relates to a special process and a device for treating pit water by combining an ultrafiltration membrane component and a magnetic immersible pump. A treatment unit is formed by a special hollow fiber ultrafiltration membrane component and a water-permeable outer bushing; and power for filtering and conveying water is provided by the micro magnetic immersible pump fixed on the outer bushing of the membrane component. During working of the system, an eccentric wheel driven by the magnetic pump generates vibration on the membrane component so as to prevent pollution on the membrane and realize the function of washing the membrane. The treatment process can be used for deep treatment for the pit water, so that the treated pit water is in accordance with the national ruled water quality standard. The invention has the characteristics that: the treatment system is directly arranged in the pit water so as to prevent freezing of the equipment and the pipeline; the vibration caused by the eccentric wheel prevents pollution to the membrane component and realizes the function of washing the membrane; the treatment process is simple, the equipment is integrated, small in volume, light in weight, and low in manufacturing cost and running cost; and the process is a small-size household water purification process used by dispersed rural residents for treatment for the quality of the pit water.
Owner:LANZHOU JIAOTONG UNIV
Antifreeze solar water heater with insulation tube and water tank linked
InactiveCN101598465AResolve freezeSolve usabilitySolar heat devicesSolar thermal energy generationSolar waterEngineering
An antifreeze solar water heater with an insulation tube and a water tank linked of the invention is designed with an aim that the insulation tube of an upper-lower water tube, a link short tube, an overflow tube and interior form a system by adopting the heat emitted by the solar water tank and the interior air with higher temperature and by adopting the link short tube to link the insulation tube of the upper-lower water tube and the overflow tube and with an aim that the upper-lower water tube is insulated so as not to be easily frozen by adopting the heat emitted by the solar water tank and the interior air with higher temperature. After the upper-lower water tube is frozen, the water tank can be filled with water through the overflow tube, and after the water tank is full of water, the hot water in the water tank can be injected into the insulation tube through the link short tube so as to thaw the upper-lower water tube, or the hot water can be injected into the insulation tube via a pipeline so as to heat and thaw the upper-lower water tube. The antifreeze solar water heater has the advantages of simple structure, easy production and installation and convenient use, and solves the problem that the water tube of the solar water heater is frozen and can not be used in winter.
Owner:新余市莱安建材科技有限公司
Water-electricity separation type heating drinking trough
PendingCN112470980AResolve freezeSolve the problem that dead corners cannot be cleanedAnimal watering devicesEnvironmental engineeringWater drinking
The invention discloses a water-electricity separation type heating drinking trough which comprises a trough body, a water trough is arranged in the trough body, the section of the water trough is ina U shape, drain holes are formed in the bottoms of the two ends of the water trough, drain valves are installed at the drain holes, a water valve box is arranged on one side of the middle of the water trough, a water valve protection cover is installed on the top of the water valve box, a water supplementing port is formed in the side, close to the water trough, of the water valve box, a heatingplate is arranged at the bottom of the water trough, a differential pressure water valve is arranged in the water valve box, an angle valve is installed on the differential pressure water valve, a water temperature and water level sensor is arranged on one side of the differential pressure water valve, a heater installation groove is formed in the bottom of the trough body, and a heater is installed in the heater installation groove. Compared with the prior art, the water-electricity separation type heating drinking trough has the advantages that the problems of product deformation, freezing,failure of cleaning of dead corners, slant punching and failure of alignment of mounting holes, bitting of cables by animals, safety guarantee of animals or maintainers when a 220V heater is used in the drinking trough are solved, and the problem that a drinking trough using a heater at present is dry-heated is solved.
Owner:朗诚农业科技(山东)有限公司
A kind of artemisia annua extract composition, product and application thereof for skin
ActiveCN110664858BGood moisturizing effectSolve insolubleAntimycoticsHydroxy compound active ingredientsBiotechnologyDermatomal
Owner:云南青之浩生物科技有限公司
Anti-freezing device for well water in high cold area by using high-pressure gas interference
InactiveCN111894081ASolve the freezing of water bodyAvoid refreezingDrinking water installationCold areaElectric generator
The invention discloses an anti-freezing device for well water in a high cold area by using high-pressure gas interference. The anti-freezing device comprises a water well body, a water suction pump,a water suction pipe, a gas pipe and a high-pressure gas pump, wherein the water suction pump is arranged in the water well body, the water suction pipe is arranged at the upper end of the water suction pump, the gas pipe is inserted into the water well body, a high-pressure gas storage tank is connected to one end of the gas pipe, the high-pressure gas storage tank is connected with the high-pressure gas pump, the high-pressure gas pump is connected with a diesel generator, and a pipeline heater is installed on the gas pipe. According to the anti-freezing device, high-pressure gas is injectedinto the water well body by arranging the high-pressure gas pump, high-pressure bubbles are formed in water body, and are heated by the pipeline heater, so that the high-temperature and high-pressurebubbles are seethed in the water body, and the problem of water freezing of the water body in the water well body is effectively reduced.
Owner:中国人民解放军31666部队
Test Gate Antifreeze
ActiveCN105909211BResolve freezeSimple structureWell/borehole valve arrangementsSealing/packingAnti freezingFour-way valve
The invention relates to a test sluice gate anti-freezing device, which mainly solves the problem of freezing due to existence of a nonflowing dead water region of the existing test sluice gate. The test sluice gate anti-freezing device is characterized in that a flow guide pipe (1) is in a pipe shape; the lower end of the flow guide pipe (1) is provided with a sealing seat; a sealing seat outer groove is filled with a sealing ring; an annular lug boss (3) is arranged outside the upper part of the flow guide pipe (1); a flow guide groove is formed in the lug boss (3) in the axial direction; the sealing seat of the flow guide pipe (1) is arranged in the lower part of a wellhead small four-way valve (4) and is sealed; a test sluice gate short connector (2) is connected onto the outside of the lug boss (3) of the flow guide pipe (1) through internal screw threads; the lower end of the test sluice gate short connector (2) is connected onto a coupling short connector arranged on the wellhead small four-way valve (4) through screw threads; the upper end of the test sluice gate short connector (2) is connected with the lower end of a test sluice gate (5) through screw threads; and a flow guide annular space is formed between the flow guide pipe (1) and the test sluice gate short connector (2). The test sluice gate anti-freezing device has the characteristics that no dead water region exists; and freezing cannot occur.
Owner:山东科德电子有限公司
Preparation method of high-efficiency corrosion-inhibiting coal or mineral powder transportation antifreeze
InactiveCN102746833BImprove performanceDecrease in intermolecular bondingHeat-exchange elementsCoalMagnesium chlorate
Owner:LANZHOU YINGWEINUO CHEM TECH
Tubular evaporative cooling system and steam cooling method
InactiveCN109612294ASimple structureEasy to implementSteam/vapor condensersEvaporative coolerInlet valve
The invention relates to a tubular evaporative cooling system and a steam cooling method. The steam cooling method comprises the steps that during the zero output heating operation of a low pressure cylinder of a steam turbine, a heating butterfly valve is closed, a steam regulating valve is opened, a steam inlet valve of a tubular evaporative cooler, a condensate water drain valve of the tubularevaporative cooler and an air pumping valve of the tubular evaporative cooler are opened, a steam inlet valve of an air cooled steam condenser, and a condensate water drain valve of the air cooled steam condenser and an air pumping valve of the air cooled steam condenser are closed; and all exhaust steam of a machine unit enters the tubular evaporative cooler for condensation, and condensate waterback flows to a main engine steam exhausting device. All the steam inlet valves of steam distributing pipes of the air cooled steam condenser are closed when the direct air cooling machine unit low pressure cylinder zero output heating operation in heating season, the air cooled steam condenser is isolated, all the exhaust steam of the machine unit enters the tubular evaporative cooling system and back flows to the main engine steam exhausting device after condensation, the freezing problem of heat exchange tube bundles of the air cooled steam condenser is effectively solved, and the freezingproblem of the air cooled steam condenser when the low pressure cylinder zero output heating operation of direct air cooling machine unit in winter is completely solved.
Owner:XIAN THERMAL POWER RES INST CO LTD +1
Flue gas treatment recycling system and recycling method thereof
PendingCN111594865AIncrease temperatureAchieve heatingGas treatmentCombustion processWater storage tankFresh air
The invention relates to a flue gas treatment recycling system and a recycling method of the flue gas treatment recycling system. The flue gas treatment recycling system comprises a boiler, a desulfurization tower, a purification condenser and a fresh air cooler. An air inlet of the boiler is connected with an air feeder, and a flue gas outlet of the boiler is connected with an inlet of the desulfurization tower. A flue gas side inlet of the purification condenser is connected with an outlet of the desulfurization tower through a pipeline, and a liquid drain outlet of the purification condenser is connected with a condensate water storage tank. A refrigerant side outlet of the fresh air cooler is connected with an inlet of the purification condenser, and a refrigerant side inlet of the fresh air cooler is connected with an outlet of the purification condenser through a circulating pump. An air side inlet of the fresh air cooler is connected with the atmospheric environment, and an airside outlet of the fresh air cooler is connected with the air feeder of the boiler. The invention further comprises the recycling method of the flue gas treatment recycling system. By the adoption ofthe flue gas treatment recycling system and the recycling method of the flue gas treatment recycling system, a large amount of production water is recovered, the boiler efficiency is also improved, and the equipment freezing problem is solved.
Owner:JINGNENG (XILINGUOLE) POWER CO LTD
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