179 results about "Thermodynamics" patented technology

A method and system for treating a portion of a hydrocarbon-bearing formation of a crude oil reservoir containing heavy hydrocarbons using a microwave enhanced heavy hydrocarbon recovery system includes forming a horizontal injection well having an injection horizontal run, forming a horizontal microwave source well having a microwave source horizontal run, forming a horizontal production well having a production horizontal run, introducing a treatment fluid into the crude oil reservoir through the horizontal injection well, introducing a microwave antenna having a microwave emitter into the horizontal microwave source well, introducing electrical power to the microwave emitter such, forming a microwave energy field which reduces the viscosity of the heavy hydrocarbons and forms a production fluid forms, and extracting the production fluid through the horizontal production well. The injection horizontal run is positioned below both the microwave source horizontal run and the production horizontal run.

The invention relates to a concrete sample curing room which consists of a laboratory as well as a microcomputer, a temperature sensor, a humidity sensor, a constant temperature and humidity box and an air flue that are arranged in the laboratory, wherein the microcomputer is respectively connected with the temperature sensor, the humidity sensor and the constant temperature and humidity box which is internally provided with a hermetically sealed compressor, an electric heating pipe, an ultrasonic humidifier, a centrifugal fan and an evaporator; an air outlet of the constant temperature and humidity box is connected with the air flue; the temperature sensor monitors the temperature in the constant temperature and humidity box and transmits a temperature signal to the microcomputer; the humidity sensor monitors the humidity in the constant temperature and humidity box and transmits a humidity signal to the microcomputer; the microcomputer controls the ultrasonic high-frequency oscillation, converts the water fog into ultramicrons with the particle size of 1-5 microns, diffuses the water fog into the air through a pneumatic device, and guarantees the even indoor temperature and humidity through setting pipeline fog sending and blowing manners; the air transmitted by the centrifugal fan blows the fog of the ultrasonic humidifier to everywhere of the constant temperature and humidity box through the air flue.

The invention relates to a cascade heat pump drying system and a control method thereof. The cascade heat pump drying system is composed of a high temperature stage loop and a low temperature stage loop. Refrigerating fluid R134a is used in the high temperature stage loop, and refrigerating fluid R744 is used in the low temperature stage loop. Operation of the high temperature stage loop and the low temperature stage loop can be controlled according to the environment temperature so that the system can work normally within the wide environment temperature range from -20 DEG C to 43 DEG C, and the use requirement can be met.

The invention belongs to the technical field of air conditioners, and specifically provides a control method of an air conditioner and the air conditioner. The method aims to solve the problem that anair speed control method of the air conditioner is poor in user experience. The control method of the air conditioner comprises the following steps that a surface temperature of a human body and an indoor environment temperature are acquired, the surface temperature of the human body is compared with the indoor environment temperature, and an air speed of an air supply fan of the air conditioneris selectively adjusted based on a comparison result. Through the control mode, the control method of the air conditioner can selectively adjust the air speed of the air supply fan according to the comparison result of the surface temperature of the human body and the indoor environment temperature, so that a user can always be in a comfortable environment, the situation of human discomfort causedby the too high or too low air speed is avoided, and the use experience of the user is improved.

The invention provides a lithium battery and a lithium battery packaging housing. The lithium battery comprises a housing, a cover plate and a pole piece roll core arranged in the housing. The front surface and the back surface of the housing are consistent in structure, and the left side surface and the right side surface of the housing are consistent in structure. A heat superconducting pipelineand a refrigerant channel are combined together on the housing; the heat superconducting pipeline is filled with a phase change inhibition working medium to form a phase change inhibition heat transfer packaging housing, and the heat superconducting region has the characteristics of high heat conduction rate and good temperature uniformity; and by utilizing the characteristics of high heat conduction rate and good temperature uniformity of the heat superconducting region and high heat exchange rate of the refrigerant heat exchange region, the temperature difference between a battery and the outside and the effective heat transfer area are increased, the heat dissipation and heat equalization capabilities of the battery are greatly improved, and the safety performance of the lithium battery is improved.

The invention discloses a method for evaluating temperature uniformity in the width direction of a hot-rolled strip steel intermediate billet. The method for evaluating the temperature uniformity in the width direction of the hot-rolled strip steel intermediate billet comprises the following steps that the temperature of the intermediate billet is measured in the hot rolling process by using a thermal imager, and a shot thermal imaging graph is led into a computer; and image data are processed by using thermal imaging analysis software; a cross grid is filled in the thermal imaging graph by using Photoshop software, the graph is divided into a plurality of grids, and the edge temperature drop value of the intermediate billet and the width value of an edge temperature drop area are mainly analyzed through the grids. According to the method, edge temperature drop data in the width direction of a strip steel and area width data in which the temperature drop occurs can be accurately and objectively reflected, so that the problem of temperature uniformity evaluation in the width direction in the conventional steel billet heating process and the problem that the temperature distributionin the width direction of the intermediate billet in the rolling process is not explained are solved.

The invention provides a secondary cooling method and device for a continuous casting machine. The method comprises the following steps of: arranging a plurality of secondary cooling subareas in a casting direction, wherein each secondary cooling subarea comprises at least one cooling unit; arranging a plurality of spraying collector tube outlets in a spraying collector tube, wherein each sprayingcollector tube outlet is connected with a corresponding spray nozzle pipeline and a corresponding spray nozzle; introducing a cooling medium into the spraying collector tube through spraying collector tube inlets, and spraying and impacting the cooling medium to the surface of cast blank to perform secondary cooling through the multiple spray nozzles; and independently controlling each secondarycooling subarea by regulating pressure and flow of the cooling medium. According to the secondary cooling method provided by the invention, outflow amount of single spray nozzle can be controlled andregulated, so that secondary spraying water amount inside single subarea is close to linear changes, smooth transition of secondary cooling water amount between every two adjacent subareas is guaranteed, cooling uniformity of the secondary cooling subareas is improved, stress concentration of cast blank and crack generating probability are reduced, cost increase is hardly generated, and operability is strong, and therefore, the secondary cooling method has a very wide market and a very wide application prospect.

The invention discloses a portable electric heating steam cleaning machine and relates to the technical field of steam cleaning. A cleaning box is included. A transmission box is fixed at a top of thecleaning box. An electric heating water tank is mounted on the cleaning tank. The electric heating water tank is connected with a conveying pump through a pipeline. A lifting sleeve plate is arrangedon the cleaning box. A screen plate for supporting an object is horizontally fixed in the cleaning box. A lifting mechanism used for driving the lifting sleeve plate to vertically ascend and descendis arranged in the transmission box. Through arrangement of a first cleaning mechanism and a second cleaning mechanism, objects in the cleaning box are rotatably cleaned; under a transmission effect of a transmission mechanism, rotating directions of a dispersing barrel and a cleaning rotating frame in the first cleaning mechanism are opposite so that the objects can be fully and comprehensively cleaned, steam generated by the electric heating water tank is conveyed through a conveying pipe and then is sprayed out from a spray head along with rotation of the dispersing barrel, and a full high-temperature steam cleaning effect on the objects is achieved.

The invention relates to the technical field of carbon dioxide flooding oil recovery increase in oil and gas field development, and discloses a carbon dioxide flooding gas front edge dynamic change prediction method. The carbon dioxide flooding gas front edge dynamic change prediction method includes the following processes that an injection-production corresponding condition is judged by comprehensively considering the suction profile result, the injection-production well spacing and the oil well effective condition, the gas injection volume is split in the different effective oil well directions, the splitting coefficient and the gas injection volume in different oil well directions are calculated according to the gas injection efficiency speed, a fan blade model is used for calculatingthe dynamic change of the gas drive front edge position under different gas injection volumes, and carbon dioxide flooding gas front edge dynamic change prediction is realized. By means of the method,only basic data such as production dynamics data, suction profile data and injection-production well spacing are needed, data collection and processing are simple, through gas drive front edge prediction, the advancement speed of CO2 under the oil deposit condition is better grasped, the gas generating time is better predicted, the dynamic change of the miscible range can be quantitatively calculated in combination with the pressure profile, and a basis is provided for CO2 dynamic tracking evaluation and injection-production parameter optimization adjustment.

The invention relates to the technical field of gas devices, in particular to a gas burner and a gas stove. The gas burner comprises a flange connecting plate, an end seal plate, a rectangular bottom plate and an arc gas screen. The arc gas screen is fixed to the two sides of the rectangular bottom plate. A mixed gas cavity with the semi-arc section is formed between the rectangular bottom plate and the arc gas screen. The flange connecting plate and the end seal plate are arranged at the front end and the rear end of the mixed gas cavity correspondingly, and the flange connecting plate is provided with an air inlet. The gas burner further comprises a fairing arranged in the mixed gas cavity, through holes or through grooves are evenly distributed in the fairing, a gas homogenizing cavity is formed in the fairing, and the air inlet communicates with the gas homogenizing cavity. The invention further discloses the gas stove. The gas stove comprises the above gas burner and a furnace cavity. Compared with ordinary gas burners, the gas burner can better save energy, and normal usage and service life of the stove can be guaranteed.

A home appliance with a cooktop and an oven cavity. A gas-operable burner for heating the cavity to a cooking temperature and including a gas mixing pipe is mounted to the appliance with a bracket and has an inlet for intake of gas and air for combustion, the gas mixing pipe being mounted to the appliance with a bracket. A ventilation channel extends through the appliance body. A fan is in fluid communication with the ventilation channel for creating an airstream within the ventilation channel. An air conduit extends between the ventilation channel and the gas mixing pipe, with an air conduit inlet in the airstream and an air conduit outlet adjacent the gas mixing pipe to direct air from the airstream to the gas mixing pipe for combustion with the gas and air. An air conduit stabilization apparatus mounts the air conduit to the gas mixing pipe bracket.

The invention provides a waste gas treatment device for a garbage storing workshop of a cement kiln co-processing domestic garbage system. Multiple garbage storing pits (2) are arranged in the garbagestoring workshop (1) of the waste gas treatment device for the garbage storing workshop (1) of the cement kiln co-processing domestic garbage system. A garbage discharging door (4) and an exhaust fan(5) are arranged on the garbage storing workshop (1). The exhaust fan (5) is connected with a control part (6). The exhaust fan (5) communicates with a cooling cavity of a grate cooler (7). Accordingto the waste gas treatment device for the garbage storing workshop of the cement kiln co-processing domestic garbage system, the closed garbage storing workshop is vacuumized, negative pressure is formed to ensure that waste gas is not leaked to the outside, the technological characteristic of cement production is utilized, the waste gas is introduced into a combustion system, and finally harmless treatment of the waste gas is achieved.

The invention discloses a control method and system for warm air water circulation of an oil-fired automobile and a storage medium. The method comprises the steps that the running state of an engine is detected; if the engine runs, whether a warm air demand exists or not is detected; according to the size relation between engine running time and a preset value and the size relation between enginewater temperature and a preset value, whether an electromagnetic valve on a warm air water way is started or not is judged, and whether the warm air water circulation is started or not is determined;and if the engine does not run, the electromagnetic valve on the warm air water way is controlled to be started, and the warm air water circulation is started. By judging the running state of the engine and the warm air requirement, and achieving warm air control based on time and water temperature threshold values, the control method and device can adapt to different external environment temperatures, and warm temperature is increased rapidly within the time accepted by a user; and when the temperature of the engine is high, heat dissipation of the engine is assisted, and the engine cooling cost is reduced.

The invention provides a coal gangue conveying vibration device. The coal gangue conveying vibration device comprises a conveying system, a vibration system arranged at the lower part of the conveyingsystem, a chassis assembly arranged at the lower part of the vibration system and connected with the vibration system, a spring connected between the vibration system and the chassis assembly, and acontrol system for controlling the conveying system and the vibration system to operate, wherein a large belt wheel of the vibration system is a mass center eccentric wheel. In the coal gangue conveying vibration device, the conveying system and the vibration system can independently operate, and also can synchronously operate; and under the condition of not influencing the conveying of coal gangues, the vibration system can vibrate and expose the coal gangues in the coal gangues, so that the subsequent sorting of the coal gangues is convenient, and the coal gangue sorting efficiency is improved.

The invention discloses a rotor of a sand making machine and the sand making machine. The rotor of the sand making machine comprises a rotor body. The rotor body comprises a rotor feed port, a screening plate and a lower face plate axially in sequence. Screening holes axially run through the screening plate. The distance between the edge of the lower face plate and the axis of the rotor body is larger than the distance between the edge of the screening plate and the axis of the rotor body. The portion, located between the rotor feed port and the screening plate, of the side face of the rotor body is provided with a first rotor discharge port. The edge of the first rotor discharge port and the edge of the screening plate are partly overlapped. The portion, between the screening plate and the lower face plate, of the side face of the rotor body is provided with a second rotor discharge port. The edge of the second rotor discharge port and the edge of the screening plate are partly overlapped. The rotor can screen materials of different grain sizes, and therefore different magnitudes of smashing energy can be adaptively provided for the materials of different grain sizes in the rotor,and the smashing efficiency of the sand making machine can be improved.

The invention relates to a paint spraying and drying integrated room for robot operation. The paint spraying and drying integrated room for robot operation comprises a room body and a circulating air module, the room body is provided with a conveying rail extending into a paint spraying and drying room, and a driving device and a tensioning device are arranged at the two ends of the conveying rail respectively. The conveying rail is provided with a workpiece supporting plate in a sliding connection mode. The paint spraying and drying room is connected with the circulating air module in a penetrating manner. An air supply box is arranged in the circulating air module, and is provided with an air supply pipe connected with the paint spraying and drying room through a pipeline. The paint spraying and drying room is provided with a dynamic pressure chamber which communicates with the air supply pipe. The dynamic pressure chamber is arranged in the paint spraying and drying room and communicates with a static pressure chamber, and the static pressure chamber communicates with an inner cavity of the paint spraying and drying room. An exhaust covered channel is formed below the paint spraying and drying room, the exhaust covered channel communicates with an exhaust chamber, and the exhaust chamber is provided with a hot air circulating pipe which is connected with an air supply box pipeline. According to the paint spraying and drying integrated room for robot operation, three filter layers are used for treating paint mist, and activated carbon is used for adsorbing, replacing and desorbing VOCs in waste gas; and the paint spraying and drying room is connected with the circulating air module for drying and exhausting circulation.

A refrigerator including a fresh food compartment; a freezer compartment; an ice compartment disposed in the fresh food compartment; an ice maker disposed in the ice compartment, the ice maker including an ice maker tray, a separate fin evaporator, and a cooling tube which is assembled between the ice maker tray and the fin evaporator, such that the cooling tube is in direct contact with the ice maker tray and the fin evaporator; and an ice bucket for storing ice, the ice bucket being disposed in the ice compartment.

The invention relates to a control method for uniform preheating of a powder bed and an additive manufacturing device. The invention discloses a control method for uniform preheating of a powder bed. The control method comprises the following steps: determining a central point of a to-be-preheated forming area of the powder bed and a farthest point farthest from the central point in the forming area; the minimum preheating power is determined based on the center point, and the maximum preheating power is determined based on the farthest point; a preheating scanning path is planned, and the distance from each point to the center point in the scanning path is determined; determining the preheating power of each point in the scanning path according to the proportional relation between the distance from each point to the central point in the scanning path and the distance from the farthest point to the central point; and scanning and preheating the powder bed according to the determined scanning path and preheating power, and enabling the temperatures of all preheated areas in the forming area to be uniform. According to the method, the non-uniform preheating power is adopted, so that the to-be-formed area is approximately uniformly heated, it is guaranteed that the temperatures of all places of the whole to-be-formed area are approximately consistent, and then the stability of the printing process is improved.

The invention provides a method for optimizing the responsivity of a BIB detector, and a BIB detector. Firstly, a function expression of an optimal working temperature of a detector about different working bias voltages is obtained through numerical simulation and data fitting, then a corresponding optimal working temperature is extracted according to the function expression and the set working bias voltage, and the working temperature can enable the response rate of the manufactured BIB detector to be optimal under the set working bias voltage. According to the invention, the relation betweenthe optimal working temperature and the working bias voltage can be extracted for the BIB detector obtained according to different material systems and different process conditions, therefore, optimal working conditions including the working bias voltage and the corresponding optimal working temperature are obtained; the working bias voltage and the working temperature of the detector are set according to the optimal working conditions, so that the responsivity of the detector has an optimal value, repeated setting of the working condition of the detector for optimizing the responsivity is avoided, the debugging period of the detector is greatly shortened, and the debugging accuracy is improved.