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34results about How to "Avoid highs and lows" patented technology
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Thin film transistor and preparation method thereof, array substrate and display device
InactiveCN105552084AAvoid highs and lowsAvoid disconnectionTransistorSolid-state devicesInsulation layerOxide thin-film transistor
The invention relates to a thin film transistor. The thin film transistor comprises a substrate and a semiconductor layer, a gate insulation layer, a gate, a spin coating layer, source and drain electrodes located on the substrate sequentially, wherein the source and drain electrodes are contacted with the semiconductor layer via through holes passing through the spin coating layer and the gate insulation layer; and the spin coating layer is an electric insulation layer. Through arranging the spin coating layer, as the upper surface of the spin coating layer is flat, rough factors of each layer below the spin coating layer are eliminated, the parts, located above the spin coating layer, of the source and drain electrodes are flat, and thus the problem that the source and drain electrodes are not flat can be avoided, and disconnection of a metal line of the source and drain electrodes can be avoided. The invention also discloses a thin film transistor preparation method, an array substrate and a display device.
Owner:KUNSHAN NEW FLAT PANEL DISPLAY TECH CENT +1
Refrigerating system for CCD (Charge Coupled Device) detector
InactiveCN102820273AReduce the temperatureFlexible and adjustable temperatureSemiconductor/solid-state device detailsSolid-state devicesControl signalEngineering
The invention provides a refrigerating system for a CCD (Charge Coupled Device) detector, which comprises a cold plate, a semiconductor refrigerating sheet, a temperature sensor, a temperature controller and a conversion unit, wherein the cold plate is provided with a first face, a second face and a side wall; the cold face of the semiconductor refrigerating sheet is contacted with the first face of the cold plate, and the cold face cools the CCD detector through the second face of the cold plate; the temperature sensor is used for detecting the current temperature of the cold plate and outputting a temperature indicating signal; the temperature controller reads the current temperature of the cold plate according to the temperature indicating signal and compares the current temperature with the first predetermined temperature to obtain a control signal; and the conversion unit is used for adjusting the current temperature of the cold face to the first predetermined temperature selectively by supplying power to the semiconductor refrigerating sheet through a power supply according to the control signal. According to the refrigerating system, the temperature of the CCD detector can be freely controlled, so that influence of high temperature on the CCD detector is reduced. In addition, the temperature of the CCD detector is ensured to change stably through the cold plate, so that the service life of the CCD detector is prolonged.
Owner:北京中科美伦数字技术股份公司
Tail gas detection and absorption device for nitric acid production and installation method thereof
InactiveCN105938139AAvoid highs and lowsAchieve organic controlGas analyser construction detailsNitrogen monooxideNitrogen dioxide
The invention discloses a tail gas detection and absorption device for nitric acid production and an installation method thereof. Two gas outlets of a three way pipe are connected to a detection pipeline and an absorption pipeline respectively. The detection pipeline is connected to a gas drier. The gas drier is connected to a mixing box. The mixing box is externally provided with a thermal insulation jacket. The mixing box is connected to a booster pump. The booster pump is connected to a detection cavity. A pressure stabilizing valve is arranged on the pipeline that connects the booster pump and the detection cavity. A nitrogen monoxide probe and a nitrogen dioxide probe are arranged in the detection cavity. The nitrogen monoxide probe and the nitrogen dioxide probe are connected to a micro controller. A wireless module is arranged on the micro controller. The micro controller is connected to a display screen through the wireless module. The absorption pipeline is connected to an alkali liquid absorbing box. An electromagnetic valve is arranged on the absorption pipeline. The electromagnetic valve is connected to the micro controller. A communication pipe is arranged between the absorption pipeline and the detection cavity. A non-return valve is arranged on the communication pipe. The structure is simple, the device is user-friendly, the detected data is accurate, the detection and absorption are combined, the absorbing effect is good, and the pollutant discharge is reduced.
Owner:TIANJIN CITY PO MOIST CHEM
Method for removing dust of dust filtering of FA201B carding machine
The invention relates to a FA201B carding machine dust collection method. The FA201B carding machine safe stripper area triangular space, flat strips, and licker-in degassing four absorption points are connected to concourse tube by spring tube. Three or four FA201B carding machines are formed one set. Droppings and dust are continuously absorbed to filter equipment. The droppings under the machine are intermittently absorbed into fiber compactor by uphill line pipeline. The invention is upper machine continuous absorption and under machine intermittent absorption method. It can reduce energy consumption, simplify structure, and economize material cost.
Owner:NANTONG DOUBLE GREAT TEXTILE
Terrain-imitating cutting table for sugarcane harvester
The invention discloses a terrain-imitating cutting table for a sugarcane harvester. The cutting table comprises a harvester body and a cutting table assembly, wherein the cutting table assembly comprises a cutting part, a control part and a power part; the power part comprises a hydraulic motor and a hydraulic motor base; the hydraulic motor is arranged on the hydraulic motor base; the cutting part comprises a cutter head and a cutting blade, wherein the cutter head is mounted under the hydraulic motor base, and a base is arranged at the bottom of the cutter head and is hemispherical; the control part comprises a swinging arm, an air spring and a swinging limiting seat, wherein a lower swinging arm pin is arranged at the lower end of the swinging arm, and the other end of the lower swinging arm pin is connected with a movable pin of the hydraulic motor base; an upper swinging arm pin is arranged at the upper end of the swinging arm, and the other end of the upper swinging arm pin is connected with a movable pin on a suspension fork of the harvester body; and the swinging limiting seat is mounted at the upper end of the swinging arm, and the air spring is connected with the swinging arm through the swinging limiting seat. The terrain-imitating cutting table disclosed by the invention adopts a unique terrain imitating technique for harvesting sugarcane.
Owner:王剑 +1
Graphene intelligent temperature-controlled lithium battery pack device
PendingCN110265603AExtended service lifeControllableSecondary cellsCell component detailsTemperature controlLithium iron phosphate
The invention discloses a graphene intelligent temperature-controlled lithium battery pack device, which comprises a water pump, a fan, a temperature sensor, an intelligent temperature control module, an air heater and a lithium battery graphene fixing base. The lithium battery graphene fixing base is internally provided with heat dissipation medium circulation channels, which include a water heat dissipation medium circulation channel and an air heat dissipation medium circulation channel. The temperature sensor senses the temperature of the lithium battery graphene fixing base and feeds the temperature back to the intelligent temperature control module. The intelligent temperature control module controls the operation of the air heater and the rotation speeds of the water pump and the fan according to the numerical value of temperature, so as to control the flow speed of the heat dissipation mediums. Thus, the heat dissipation and heating are efficient and stable, and the temperature can be controlled. The temperature can be accurately controlled within the optimal temperature range for charging and discharging of lithium iron phosphate batteries, and the service life of lithium iron phosphate batteries can be increased.
Owner:安徽聚科生物科技有限公司
Precise temperature control reaction kettle based on phase change material
PendingCN113083184AAvoid meltingMelting slows or stopsChemical/physical/physico-chemical processesTemperature controlHeat transmission
The invention provides a precise temperature control reaction kettle based on a phase change material, and relates to the technical field of reaction kettles. The reaction kettle comprises a reaction kettle body, a reaction chamber and a temperature adjusting chamber for heat transfer with the reaction chamber are arranged in the reaction kettle body, the reaction kettle body is provided with a hollow temperature control part, a hollow cavity of the temperature control part is filled with a phase change material, the temperature control part is arranged between the reaction chamber and the temperature adjusting chamber, and the temperature control part is used for temperature transfer between the reaction chamber and the temperature adjusting chamber. The reaction kettle solves the problem that the temperature of the reaction kettle used at present is suddenly high and suddenly low when being regulated and controlled and the purpose of accurately controlling the temperature cannot be achieved.
Owner:谢天成
Plate heat exchanger with water storage tank
PendingCN111854485AStable temperatureAvoid highs and lowsFluid heatersLaminated elementsPlate heat exchangerWater storage tank
The invention discloses a plate heat exchanger with a water storage tank. The plate heat exchanger comprises a heat exchange body, a water tank body and a water outlet pipe, wherein the heat exchangebody is provided with a bathroom water flow channel, a heating water flow channel, a bathroom water inlet channel, a bathroom water outlet channel, a heating water inlet channel and a heating water outlet channel; the water tank body comprises a second plate body, a water tank plate set, a third plate body and a fourth plate body; the water tank plate set is provided with a first flow channel, a second flow channel, a first inlet channel, a first outlet channel, a second inlet channel and a second outlet channel; the second plate body is provided with a communication opening; the third plate body is provided with a first water inlet, a first water outlet, a second water inlet and a second water outlet; a first fluid channel and a second fluid channel are arranged between the fourth plate body and the third plate body; the water outlet pipe is inserted in a communication channel formed by the bathroom water outlet channel, the communication opening and the first water inlet channel in amatched manner; and a circulation gap is formed between the communication channel and the water outlet pipe. By means of the heat exchanger, the problem that bathroom water is high and low can be effectively solved.
Owner:NINGBO HRALE PLATE HEAT EXCHANGER
Intelligent electronic constant-temperature water heater
The invention discloses an intelligent electronic constant-temperature water heater. The intelligent electronic constant-temperature water heater comprises a shell, wherein a wind pressure switch, a controller, an air inlet solenoid valve, a water outlet temperature probe, an electronic constant-temperature valve, a water outlet, a gas volume adjustment knob, a gas inlet, a pressure release valve,a water inlet, a water quantity adjustment knob, a water flow sensor, a combustor, a heat exchanger, a temperature controller and an air blower. The intelligent electronic constant-temperature waterheater has the advantages of reasonable structure and high practicability; an electronic constant-temperature valve is additionally mounted based on an original water heater; when the water heater isstarted, hot water flowing out of the water heater flows into the electronic constant-temperature valve; the constant-temperature valve can automatically carry out calculation according to a temperature set by a user in advance; and through adjustment of cold water and hot water, the water at the temperature set by the user flows out of the water heater, so that an appropriate bath temperature isachieved, and the situation that the water temperature is sometimes hot and sometimes cold and is sometimes high and sometimes low when the water heater is used under a condition of no constant temperature is avoided. The water heater is automatically constant in temperature, so that convenience for bathing is greatly improved.
Owner:王智勇
Wind speed control method and device for air conditioner system and electronic equipment
ActiveCN109506332AExtended service lifeReduce power consumptionMechanical apparatusLighting and heating apparatusControl valvesControl theory
The invention relates to the technical field of air conditioners, in particular to a wind speed control method and device for an air conditioner system and electronic equipment. The wind speed controlmethod for the air conditioner system comprises the following steps that a current return air temperature difference value of the air conditioner system is obtained; if the current return air temperature difference is less than the first difference threshold value, an instruction for adjusting the opening of a cooling water control valve is issued to control the current return air temperature difference to be within the target return air temperature difference; and if the current return air temperature difference is greater than or equal to the first difference threshold value, an instructionfor adjusting the opening of the cooling water control valve to the maximum is issued, and an instruction for adjusting the wind speed of a fan is issued to control the current return air temperaturedifference to be within the target return air temperature difference. By the adoption of the scheme, the energy consumption in the process of adjusting the return air temperature difference can be reduced, and the service life of the air conditioner system is prolonged; and the scheme can be used for environmental management in spaces such as machine rooms.
Owner:PING AN TECH (SHENZHEN) CO LTD
Motor rotating speed control method for food processor
ActiveCN112448641AAvoid highs and lowsSpeed adjustment power changes smoothlyKitchen equipmentMotor parameters estimation/adaptationMotor speedControl power
The invention provides a motor rotating speed control method for a food processor. The motor rotating speed control method comprises the steps: acquiring the actual rotating speed of a motor; determining the number of chopping points of an alternating-current half-wave according to the power modulation precision and the total work of the alternating-current half-wave, and uniformly dividing the alternating-current half-wave through the chopping points; and acquiring an alternating current zero crossing point, comparing an actual rotating speed of the motor with a preset rotating speed, determining a target chopping point corresponding to the alternating current half-waves according to a comparison result of the actual rotating speed of the motor and the preset rotating speed, and controlling conduction from the target chopping point of the alternating current half-wave. In the scheme, the alternating-current half-wave is uniformly divided. When the rotating speed of the motor of the food processor is modulated, stepless smooth adjustment of the power can be achieved, namely, equal-power control is carried out, the rotating speed of the motor of the food processor is prevented frombeing changed suddenly, and the user experience degree is improved.
Owner:JOYOUNG CO LTD
Automatic gain control circuit and method for controlling gain adjustment speed in AGC system
ActiveCN111211750AHigh speedReduce the number of stepsDigital/coded signal controlControl signalControl theory
The invention discloses an automatic gain control circuit and a method for controlling gain adjustment speed in an AGC system. The automatic gain control circuit comprises a pre-stage operational amplifier, an operational amplifier output monitoring module, a forward and reverse counter, a decoder, an oscillator and a clock signal transmitter; the operational amplifier output monitoring module comprises a first comparator and a second comparator, and the clock signal transmitter is used for receiving clock signals output by the oscillator and outputting control signals to the forward and reverse counter according to output results of the first comparator and the second comparator; the forward and reverse counter is used for generating a gain amplitude adjusting signal according to the control signal and sending to the decoder; and the decoder controls the magnitude of the feedback resistance of the pre-stage operational amplifier according to the gain amplitude adjusting signal. According to the method, the gain adjusting speed in the AGC system is determined according to the time length that the output waveform of the operational amplifier exceeds the detection threshold value.
Owner:广芯电子技术(上海)股份有限公司
Air conditioner control method, device, air conditioner and computer readable storage medium
ActiveCN108662723BAvoid high and low frequenciesAvoid large indoor temperature changesMechanical apparatusSpace heating and ventilation safety systemsControl engineeringElectric consumption
The invention discloses a method for controlling an air conditioner. The method comprises the steps that when the air conditioner is started to operate, the current domestic electricity consumption total current is acquired; an electricity consumption function control area where current domestic electric consumption is located is judged; and when the electricity consumption function control area where current domestic electricity consumption is located is a frequency control area, a frequency control parameter based on the function control area is acquired, and the air conditioner is controlled to operate according to the frequency control parameter. The invention further discloses a device for controlling the air conditioner, the air conditioner and the computer readable storage medium. The air conditioner is controlled to operate according to the corresponding frequency control parameter acquired through the electricity consumption function control area determined by the domestic electricity consumption total current, the frequency of the air conditioner is adjusted progressively, frequency extremes are avoided, and then the beneficial effect of preventing indoor temperature changes from being too large is achieved.
Owner:GD MIDEA AIR-CONDITIONING EQUIP CO LTD +1
A reaction device and method involving methane-water-gas exchange
The invention discloses a reaction device and method involving methane water-vapor exchange. The device comprises a constant temperature device, a bubbling device, a reactor and a measuring device, wherein the constant temperature device comprises a thermostat, a water inlet device and a water outlet device; the bubbling device consists of an air blower, an exhaust plate and a fan; air holes are uniformly formed in the exhaust plate, so that a water sample in the reaction container is fully exchanged with air; the reactor refers to a hollow cylinder with a cover; small holes are formed in the rubber cover and the side walls; the whole reactor is arranged in the constant temperature device in a sleeving manner; the water sample enters the reactor from a water inlet pipe; the measuring device consists of a greenhouse gas analyzer, an air inlet pipe and an air outlet pipe; gas in the reaction container is delivered to the greenhouse gas analyzer to be analyzed by virtue of the air inlet pipe and enters the reactor by virtue of the air outlet pipe after the analysis is finished, so that the environment conditions in the reactor are constant. The device disclosed by the invention is reliable in performance, simple in structure, convenient to manufacture, difficult to damage, low in cost and simple and convenient to operate in field.
Owner:CHINA THREE GORGES UNIV
Air-conditioning system wind speed control method, device and electronic equipment
ActiveCN109506332BExtended service lifeReduce power consumptionMechanical apparatusLighting and heating apparatusAir velocityEngineering
The present application relates to the technical field of air conditioning, and in particular to a wind speed control method, device and electronic equipment for an air conditioning system. The wind speed control method of the air conditioning system includes: acquiring the current return air temperature difference of the air conditioning system; if the current return air temperature difference is less than the first difference threshold, issuing an instruction to adjust the opening of the cooling water control valve for Control the current return air temperature difference to reach the target return air temperature difference; if the current return air temperature difference is greater than or equal to the first difference threshold, issue an instruction to adjust the opening of the cooling water control valve to the maximum, and issue an instruction to adjust the fan speed, It is used to control the current return air temperature difference to reach the target return air temperature difference. The solution provided by this application is beneficial to reduce energy consumption in the process of adjusting the return air temperature difference and prolong the service life of the air conditioning system. This solution can be used for environmental management in spaces such as computer rooms.
Owner:PING AN TECH (SHENZHEN) CO LTD
Method and device for controlling air conditioner, air conditioner and computer readable storage medium
ActiveCN108662723AAvoid high and low frequenciesAvoid large indoor temperature changesMechanical apparatusSpace heating and ventilation safety systemsElectricityElectric consumption
The invention discloses a method for controlling an air conditioner. The method comprises the steps that when the air conditioner is started to operate, the current domestic electricity consumption total current is acquired; an electricity consumption function control area where current domestic electric consumption is located is judged; and when the electricity consumption function control area where current domestic electricity consumption is located is a frequency control area, a frequency control parameter based on the function control area is acquired, and the air conditioner is controlled to operate according to the frequency control parameter. The invention further discloses a device for controlling the air conditioner, the air conditioner and the computer readable storage medium. The air conditioner is controlled to operate according to the corresponding frequency control parameter acquired through the electricity consumption function control area determined by the domestic electricity consumption total current, the frequency of the air conditioner is adjusted progressively, frequency extremes are avoided, and then the beneficial effect of preventing indoor temperature changes from being too large is achieved.
Owner:GD MIDEA AIR-CONDITIONING EQUIP CO LTD +1
Automobile fuel gauge display strategy compatible with various road conditions
PendingCN114608667AImprove stabilityImprove accuracyRelative volume flow measurementsIdle speedControl theory
An automobile fuel gauge display strategy compatible with various road conditions comprises the steps that firstly, a vehicle is self-detected, the indication of a fuel gauge is detected to be correct, and meanwhile signals of a fuel level sensor can be received, secondly, the mode of the fuel gauge is judged according to the rotating speed of an engine and the running speed of the vehicle, and thirdly, the mode of an idle speed is judged. In the first step, in the driving mode, signals of the oil level sensor are collected with 15 s as a period, and an indicated value of the oil gauge is obtained through calculation; in the driving mode, signals of the oil level sensor are collected with 10 s as a period, and the indicated value of the oil gauge is obtained through calculation. According to the design, computer-aided calculation can be carried out through the combination instrument, the display stability and accuracy of the fuel gauge are effectively improved, the situation that the fuel gauge displays incorrectly due to the fact that the fuel tank is not located at the horizontal position under various road conditions such as the uphill road section and the downhill road section can be avoided, and the display accuracy of the fuel gauge is effectively improved.
Owner:DONGFENG AUTOMOBILE COMPANY
A radio search processing method, device, storage medium and terminal
ActiveCN111371520BSearch Noise StabilizationSmooth noiseBroadcast receiving circuitsBroadcast systems controlTelecommunicationsNoise (radio)
The invention discloses a radio search processing method, device, storage medium and terminal, which first acquires the channel search configuration under the current standard and the standard search noise emitted during the search, and then obtains the corresponding standard search noise in the channel search configuration Standard actual noise configuration, and set the standard actual noise configuration as the search noise of the radio, so as to avoid sudden changes in noise when the terminal uses the radio to search for channels, improve user experience, and bring convenience to users.
Owner:TCL COMM TECH NINGBO CO LTD
Control method of smoke discharge fan of continuos annealing furnace
ActiveCN110578051ASmooth adjustment of speedTroubleshoot broken tech issuesFurnace typesHeat treatment process controlContinuous annealingChamber pressure
The invention discloses a control method of a smoke discharge fan of a continuos annealing furnace. The control method comprises the following steps: a gas collecting chamber pressure set value SV anda gas collecting chamber pressure actual value X of the continuous annealing furnace are obtained; thegas collecting chamber pressure set value SV is compared with the gas collecting chamber pressureactual value X to form a deviation YEn; the deviation YEn is input in a PI controller to obtain a rotating speed control quantity Yn; and the rotating speed of the smoke discharge fan is controlled through the rotating speed control quantity Yn. The control metehod solves the technical problem of motor damage caused by long-time instable operation of the smoke discharge fan due to higher fluctuation of the gas collecting chamber pressure within a shorter time in the prior art.
Owner:SHOUGANG JINGTANG IRON & STEEL CO LTD
A kind of master alloy and its preparation method and application
ActiveCN108950273BPreparation and smelting process is stableReduce the difficulty of smeltingChemical compositionIngot
Owner:BHN SPECIAL MATERIALS
Integrated garbage treatment system for household garbage sanitary landfill
PendingCN107931300AReduce wasteIncrease usageLandfill technologiesSolid waste disposalDomestic wasteTreatment system
The invention discloses an integrated garbage treatment system for a household garbage sanitary landfill and belongs to the technical field of household garbage integrated treatment. The system comprises an unloading platform device, a large piece removal device, a bag breaking device, a winnowing device, a screening device and an automatic landfill device connected successively. The unloading platform is used for receiving household garbage materials input by the outside and conveying the same to the large piece removal device; the large piece removal device is used for removing large piece garbage in the household garbage materials and conveying residual materials to the bag breaking device; the bag breaking device is used for scattering wrappages in the household garbage materials and conveying the scattered household garbage materials to the winnowing device; the winnowing device is used for screening light materials in the household garbage materials and conveying the same to thescreening device; the screening device is used for screening lumps in the light materials and conveying the same to the automatic landfill device; and the automatic landfill device is used for conveying the collected lumps to a preset site for landfill.
Owner:源创环境科技有限公司
Power modulation method for food processor
ActiveCN112445263AAvoid highs and lowsSpeed adjustment power changes smoothlyEfficient power electronics conversionKitchen equipmentPower modulationControl power
The invention provides a power modulation method for a food processor. The method comprises the steps of: determining the number of chopping points of an AC half-wave according to power modulation precision and the total work of the AC half-wave, and carrying out uniform dividing on the AC half-wave through the plurality of chopping points; acquiring an AC zero crossing point, determining a targetchopping point corresponding to the AC half-wave according to the power requirement of the food processor, and controlling the target chopping point of the AC half-wave to be conducted. According tothe method provided by the technical scheme of the invention, the alternating current half-wave is uniformly divided, and when the power of the food processor is modulated, stepless smooth adjustmentof power can be achieved, namely, equal-power control is carried out, the situation that the power of the food processor is suddenly high and low is avoided, and the user experience degree is improved.
Owner:JOYOUNG CO LTD
cooling system for ccd detector
InactiveCN102820273BReduce the temperatureExtended service lifeSemiconductor/solid-state device detailsSolid-state devicesTemperature controlControl signal
Owner:北京中科美伦数字技术股份公司
camera module
ActiveCN109040533BReduce area sizeSmall footprintTelevision system detailsColor television detailsCamera moduleMechanical engineering
The invention relates to a camera module, comprising a circuit board body, components, a main body and a chip, the main body and the chip are supported on the upper surface of the circuit board body, and the upper surface of the circuit board body is partially Shen forms an accommodating cavity, and the components are vertically implanted into the accommodating cavity; the inner surface of the accommodating cavity, and the upper surface of the circuit board body are provided with soldering pads near the accommodating cavity; The accommodating cavities are arranged in a linear arrangement, and the wall thickness between adjacent accommodating cavities is 0.1mm-1.0mm. According to the present invention, the internal space of the circuit board body is fully utilized and the total height of the components and the circuit board body is effectively reduced, thereby further reducing the overall height of the camera module.
Owner:NINGBO SUNNY OPOTECH CO LTD
A control method for exhaust fan of continuous annealing furnace
ActiveCN110578051BSmooth adjustment of speedTroubleshoot broken tech issuesFurnace typesHeat treatment process controlThermodynamicsElectric machine
The invention discloses a method for controlling the smoke exhaust fan of a continuous annealing furnace. SV is compared with the actual pressure value X of the gas collection chamber to form a deviation YEn; the deviation YEn is input to the PI controller to obtain a speed control value Yn; the speed of the exhaust fan is controlled by the speed control value Yn . The invention solves the technical problems in the prior art that the pressure of the gas collection chamber fluctuates greatly in a short period of time, resulting in extremely unstable operation of the smoke exhaust fan, and damage to the motor due to long-term operation.
Owner:SHOUGANG JINGTANG IRON & STEEL CO LTD
Environment-friendly household waste briquetting machine
ActiveCN110757875AReduce consumptionReduce lossPressesEnvironmental engineeringMechanical engineering
The invention discloses an environment-friendly household waste briquetting machine. The environment-friendly household waste briquetting machine comprises an installation rack, a bucket, first bufferbuckets, second buffer buckets and collecting buckets, wherein the bucket is installed on the top of the installation rack, two discharging outlets are formed in the bottom of the bucket, the two buffer buckets are installed on the portion, below the discharging outlets, in the installation rack, the second buffer buckets are installed on the portions, below the first buffer buckets, in the installation rack respectively, and the collecting buckets are installed on the portions, below the second buffer buckets, in the installation rack. By means of the environment-friendly household waste briquetting machine, it is ensured that the size of wastes added to an inner box is mastered under the condition that the volume of the inner box keeps unchanged, the wastes are easily briquetted with the lowest energy, and the running energy loss of the device is reduced. Paddle pieces paddle the wastes on the top side in the inner box along with the rotation of a rotary base, the wastes on the bottom are leveled, the situation that the wastes in the inner box are stacked ups and downs is avoided, it is ensured that after subsequent briquetting, the wastes are compacted, and the loose situationis avoided.
Owner:佛山市顺德区大钲永乐环保有限公司
An environment-friendly domestic waste briquetting machine
ActiveCN110757875BReduce consumptionReduce lossPressesEnvironmental engineeringMechanical engineering
The invention discloses an environment-friendly domestic garbage briquetting machine, which comprises a mounting frame, a hopper, a first buffer hopper, a second buffer hopper and a collecting hopper. A hopper is installed on the top of the mounting frame, and two For the discharge port, two first buffer buckets are installed inside the installation frame and below the discharge port, and second buffer buckets are respectively installed inside the installation frame and below the first buffer bucket, and the inside of the installation frame and A collection bucket is installed below the second buffer bucket; the invention controls the volume of garbage added into the inner box while ensuring that the volume of the inner box remains unchanged, so as to facilitate the briquetting of garbage with the lowest energy consumption and reduce the operating cost of the device. For energy loss, the pick picks with the rotation of the swivel seat to fiddle with the garbage on the top side of the inner box, level the garbage at the bottom, avoid the ups and downs of the pile in the inner box, and ensure that the garbage is compacted after the subsequent briquetting Tight to avoid loose conditions.
Owner:佛山市顺德区大钲永乐环保有限公司
A method for the determination of ferulic acid content in angelica decoction pieces
ActiveCN105548390BImprove qualityReduce water loss rateComponent separationBiotechnologyFerulic acid
The invention discloses a determination method for the content of ferulic acid in Chinese angelica decoction pieces, belonging to the technical field of detection of the quality of traditional Chinese medicinal materials. The method comprises the following steps: 1) drying of a sample; 2) preparation of the Chinese angelica decoction pieces; 3) preparation of sample powder; 4) preparation of a solution of a to-be-tested sample; 5) preparation of a solution of a control sample; and 6) determination. According to the invention, fresh Chinese angelica is dried at low temperature and the decoction pieces are prepared from the dried fresh Chinese angelica, so components in the Chinese angelica are maximally retained, and the quality of the Chinese angelica decoction pieces is improved; and since white gauze is used to cover the Chinese angelica, the dehydration speed of the epidermis of the Chinese angelica is lowered and components in the Chinese angelica flow along with moisture, so relative equalization of components at each part of the Chinese angelica is maintained and detection results of the prepared sample powder are relatively stable.
Owner:陇西保和堂药业有限责任公司
Method for removing dust of dust filtering of FA201B carding machine
The invention relates to a FA201B carding machine dust collection method. The FA201B carding machine safe stripper area triangular space, flat strips, and licker-in degassing four absorption points are connected to concourse tube by spring tube. Three or four FA201B carding machines are formed one set. Droppings and dust are continuously absorbed to filter equipment. The droppings under the machine are intermittently absorbed into fiber compactor by uphill line pipeline. The invention is upper machine continuous absorption and under machine intermittent absorption method. It can reduce energy consumption, simplify structure, and economize material cost.
Owner:NANTONG DOUBLE GREAT TEXTILE
Gas reservoir sand control screen dynamic corrosion simulation device, simulation method and evaluation method
ActiveCN109632614BSimulate the maximumAvoid Stress Highs and LowsWeather/light/corrosion resistanceThermodynamicsPetroleum oil
The invention relates to a dynamic corrosion simulation device for sand control screens in gas reservoirs, a simulation method and a method for evaluating the dynamic corrosion performance of sand control screens. The simulation device includes a screen corrosion simulation module, a high-pressure gas pumping module, and an exhaust module; the high-pressure gas The outlet of the pumping module is connected to the gas inlet of the screen corrosion simulation module, and the exhaust module is connected to the gas outlet of the screen corrosion simulation module; the screen corrosion simulation module includes a simulated wellbore provided with a manhole cover , sand control screen, electric heating jacket and temperature controller, and the sand control screen is located in the simulated wellbore. The device of the present invention comprehensively and systematically simulates the dynamic corrosion of sand control screens under dynamic flow conditions, and simulates the elements of high pressure, high temperature, partial pressure of corrosive gas, flow rate of corrosive gas, flow rate of liquid and impact of sand grains, and can better simulate Actual dynamic flow in oil and gas unconsolidated sandstone reservoirs and gas hydrate reservoirs.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)
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