140results about How to "Achieve constant temperature" patented technology

The invention discloses a centralized secondary fermentation method for agaricus bisporus. The culture medium comprises the following raw materials in parts by weight: 45-60 parts of forage, 35-50 parts of chicken manure, 2-8 parts of gypsum and 3-10 parts of oil cakes. The method comprises the following steps of: uniformly spreading forage in a pre-wetting pool for pre-wetting for 2-5 days; adding chicken manure, gypsum and oil cakes and uniformly and adequately mixing; filling the mixed fermentation material in a ventilating floor in a primary fermentation tunnel, and conveying fresh air to the fermentation material through a fan; fermenting for 4-6 days and transferring the fermentation material to another primary fermentation tunnel. The base material of the primary tunnel fermentation is uniformly stacked on the ventilating floor in a secondary fermentation tunnel, and the temperature of the fermentation material is controlled by operation of the fan. Secondary fermentation comprises the following steps: a balancing stage, a heating stage, pasteurization, cultivation at constant temperature and discharge at low temperature. According to the method, local wheat straw hoods, straws, chicken manure and the like are used as main raw materials to form the culture medium. Centralized scaled production cultivation materials are formed by the technology of pre-treatment of the raw materials, primary fermentation and secondary fermentation.

A bark bleaching process; the steps are as follows that hydrogen peroxide, sodium hydroxide, sodium silicate and magnesium chloride are taken in I bleacher according to a certain proportion to make bleaching liquid: the bark is encased in a bark bleaching frame and the frame is soaked in the bleacher; a pump is adopted to continuously circulate the bleaching liquid in the bleacher; at the same time, steam is input for heating the bleaching liquid and the temperature is kept constant between 60 to 70 Celsius degrees; the constant temperature is kept for 4 to 6 hours; the bark bleaching frame is taken out of the in I bleacher and put into II bleacher filled with oxalic acid solution; a liquid compulsory circulation device is used to make the liquid in the bleacher continuously circulate; the bark bleaching frame is taken out after the frame is soaked for continuous 30 minutes; the bleaching frame is washed with pressed clean water and the drying treatment is implemented at last. The present invention also discloses a special bark bleaching frame and snakelike parting strip for angle steel welding. The present invention boasts of low investment on equipment, high production efficiency and excellent bleaching effect.

The invention discloses a refrigerator which comprises a box body, a semiconductor module, an evaporator and a second flue; the box body defines at least one refrigerating room; one side of the at least one refrigerating room is equipped with a first flue which is in fluidic communication with the refrigerating room; the semiconductor module is arranged in the box body and is used for providing cooling capacity to at the least one refrigerating room; the semiconductor module is provided with a cold end and a hot end; the cold end is positioned in the first flue; the evaporator is arranged in an evaporator cavity of the box body, so that the hot end can be cooled; the second flue is independently arranged relative to the first flue; the hot end is positioned in the second flue; the second flue comprises an air inlet path and an air return path; and cold air flows to the hot end from the evaporator through the air inlet path, and is then returned into the evaporator through the air return path. The refrigerator provided by the invention is relatively low in cost, and the refrigerating room can realize a constant-temperature constant-humidity (high-humidity) function.

The invention discloses a gas water heater and a control method thereof. The control method includes: acquiring data of water flow rate, outflow water temperature and combustion heat of the gas waterheater to work out inflow water temperature; calculating required heat according to the inflow water temperature; adjusting current of a proportional valve according to the required heat to control the gas water heater to discharge water at a constant set outflow temperature. According to conservation of energy, the inflow water temperature is derived by adoption of an integral calculation method,and accordingly the problem of failure in simultaneous calculation of inflow water temperature under simple conditions and complex flow fluctuation conditions in the prior art is solved. In addition,a current value of the proportional valve can be accurately and quickly calculated according to the inflow water temperature, so that quickness in constant-temperature water discharging is realized.

The invention relates to the heating field, in particular to a multi-functional water heating machine and a work method thereof. The multi-functional water heating machine comprises a water storage tank, a water pump, a heater, a first water pipe, a heat radiator, a second water pipe, a third water pipe, a mattress, a fourth water pipe and a circuit board, wherein a water filling port is formed at the top of the water storage tank; the water pump and the heater are respectively connected with the circuit board; the third water pipe is arranged in the mattress; the water storage tank and the heater are respectively connected with the water pump; the heater is connected with the heat radiator; and the heat radiator and the third water pipe are respectively connected with the second water pipe. The work method comprises the following steps: in heating, radiating heat by the heat radiator so as to heat a room; heating the room through the heat radiation of the third water pipe; and delivering water evaporating in the water storage tank to the room through the water filling port so as to increase the humidity of the room. The multi-functional water heating machine provided by the invention has multiple functions, and can be used for indoor heating, bedding heating as well as room humidity maintaining.

The invention provides a safety testing system used for a reactor pressure vessel under a serious accident condition. The safety testing system comprises a heater and a containment vessel, wherein a lower end enclosure of the containment vessel is at a suspension state, an overflow tower is arranged below the containment vessel, a spherical end enclosure of the overflow tower is at a suspension state, a reservoir for storing cooling water is arranged below the overflow tower, the lower end enclosure of the whole containment vessel is soaked in the cooling water, the heater is arranged in the containment vessel and is used for evenly heating a melt in the containment vessel at the constant temperature or at the varied temperature, the melt is poured into the containment vessel through a pouring channel at the top part of the containment vessel, the cooling water in the overflow tower is heated and boiled under the action of high temperature of the melt, a boiling tank and a steam flow are formed in the overflow tower, the containment vessel and a pressure device are connected through a pipeline and a valve, a pair of gas supply devices are connected on the pressure device, and the pressures of the gas supply devices are adjusted by the pressure device. According to the safety testing system used for the reactor pressure vessel under the serious accident condition, the failure process of the containment vessel at the high temperature gradient under the serious accident condition is simulated, and the maximum pressure value allowed in the containment vessel is acquired.

The invention relates to an external recycle thermal perfusion therapeutic equipment, comprising a water tank, a heater, a cooler, an external recycle pump, a recycle guide pipe, a heat exchanger, a temperature sensor and an industrial computer. An electric heating or semiconductor heating and semiconductor cooling constant temperature recycle device is adopted in the external recycle system of the invention; the temperature sensor is arranged in the perfusion end of an internal recycle system. The temperature of liquid at the perfusion end of the internal recycle system can be accurately controlled by that the heat exchanger supplies heat source for the internal recycle and the industrial computer sends heating or cooling signals to an electronic controller for controlling the heating or cooling; in constant temperature the temperature control precision is plus minus 0.1 DEG C, so that the purpose of thermal perfusion in constant temperature can be achieved.

The invention relates to a method for manufacturing special ferrite material capable of automatically control the temperature by the combination of coprecipitation and freeze-dry for preparing. The ferrite material of the invention differs form the average ferrites in that the constitute comprises lanthanon gadolinium besides zinc, iron, oxygen, the content of zinc oxide in chemical composition is between 17 and 23wt percent, the content of ferric oxide is between 68 and 88wt percent, and the content of gadolinium oxide is between 0 and 9wt percent. The size of the particle made of the material produced by the method is between 10 and 30nm, the Curie temperature (Tc) can be adjusted between minus 10 DEG C and 120 DEG C, the specific absorption rate (SAR) of the material is between 3.1 and 10.8W/g under the action of an alternating magnetic field generator with 8kW rating power when the working frequency is set at 60kHz and the strength of the magnetic field is set between 6.5 and 7 kA/m. The powder body of the ferrite takes on a ferromagnetic phase at the room temperature, becomes a heating element under the action of external alternating magnetic field, can raise self-temperature to the corresponding Curie temperature; when the temperature of the powder body exceeds the temperature, the material is conversed from the ferromagnetic phase to a paramagnetic phase and can not heat any more. The temperature of the powder body decreases due to natural cooling, when the temperature is lower than the Curie temperature, the powder body gets back to the ferromagnetic phase, becomes the heating element and raises the self-temperature. With the circulation, the temperature of the powder body can be controlled within the Curie temperature.

The invention provides an intelligent high-efficiency constant-temperature air shower room, and belongs to the technical field of air shower rooms. The intelligent high-efficiency constant-temperatureair shower room comprises a room body, an electric control door, an air blowing partition plate, an air return partition plate, a controller and a rotary table arranged in the air shower area and a gravity sensor is arranged on the rotary table, a plurality of air inlet holes are formed in the air blowing partition plate, a plurality of air return nets are installed on the air return partition plate, an air blowing device is arranged in the air making area, a plurality of dust collecting devices are arranged in the dust collecting area, through the air inlet holes and the air return nets, theair blowing device and the dust collecting devices communicate with the air shower area correspondingly; and the air blowing device comprises an air shower transplanting mechanism which penetrates through the air inlets and stretches relative to the air inlets, and the dust collecting devices comprise dust removing mechanisms which sweep along the surface of the air return nets. The intelligent high-efficiency constant-temperature air shower room has the functions of forcibly and automatically starting air shower operation, automatically adjusting the reasonable distance between the air outlet and a user, automatically removing dust during air shower and the like, so that the temperature of air blown to the body of the user by the air shower is constant, the comfort is improved, and the ideal air shower effect is ensured.

The invention discloses a multifunctional nebulization-administration sputum-suction cleaning device for an otorhinolaryngological department. The device comprises a support, an air pump, a liquid medicine bag, a liquid medicine tube, a nebulizer, a first one-way valve, a first regulating valve, a first sputum suction tube, a second regulating valve, a first sputum storage box, an air bag, a second one-way valve, a second sputum suction tube, a pressure gage, a third regulating valve, a vacuum pump and a second sputum storage box. The multifunctional nebulization-administration sputum-suction cleaning device for the otorhinolaryngological department is exquisite in structure and powerful in function, the liquid medicine tube is combined with the air pump, the liquid medicine bag and the nebulizer to form a treatment mechanism, the first sputum suction tube, the air bag and the first one-way valve form a manual sputum suction mechanism, the second sputum suction tube, the vacuum pump and the like form a semi-automatic sputum suction mechanism, the three mechanisms are supplementary to one another, treatment, degradation and sputum suction are integrated into a whole, the work efficiency of medical staff and comfort of patients are greatly improved, and the degree of rehabilitation of the patients is promoted.

The invention discloses an intelligent type vertical freezing cabinet for milk beverages. The intelligent type vertical freezing cabinet comprises a vertical freezing cabinet body; the front surface of the vertical freezing cabinet body is connected with a cabinet door through hinges; a limiting switch is mounted at the inner side of the cabinet door; the cabinet door is provided with a transparent window in which a glass component is embedded; a negative oxygen ion generator is mounted at the left side of the vertical freezing cabinet body; an illuminating lamp and a sterilizing lamp are mounted at the internal upper side of the vertical freezing cabinet body; an active carbon adsorbing device is mounted at an internal side of the vertical freezing cabinet body; arranging plates are mounted inside the vertical freezing cabinet body. According to the intelligent type vertical freezing cabinet disclosed by the invention, a buzzer is mounted at the upper side of the vertical freezing cabinet body, a circuit board is arranged inside the vertical freezing cabinet body, a timer is arranged on the circuit board, the limiting switch is a signal source, and the circuit board is capable of driving an alarming circuit to supply power to the buzzer when the timer reaches a time preset by the system, so the aim of automatic alarming after the cabinet door is not closed for a long time can be realized, and the intellectuality of the intelligent type vertical freezing cabinet is improved.

The invention relates to polishing liquid constant-temperature transport device, comprising a bucket body, a temperature adjustor, a temperature sensor and a controller, wherein the bucket body is used to store the polishing liquid; a heat insulation layer is arranged around the bucket body; the bucket body is provided with a transfer pump and a reflow pipe, which are communicated with the polishing process area, for the polishing liquid; the temperature adjustor is arranged at the outer wall of the bucket body; the temperature sensor is arranged in the bucket body; the controller comprises a constant temperature control module, which controls the temperature adjustor heating when the temperature detected by the temperature sensor is lower than the set value and refrigeration when the temperature detected by the temperature sensor is higher than the set value; the temperature sensor is connected with the input of the constant temperature control module; the output of the constant temperature control module is connected with the temperature adjustor. The transport device has an advantage of simple structure and thermostatic liquid, which can improve the quality of the processed surface efficiently.

The invention discloses a honey storage tank with the constant temperature function. The honey storage tank comprises a storage tank and a constant temperature device installed in the lower end of the storage tank; a feeding valve is installed on the top surface of the storage tank; a discharge valve and a mechanical pressure valve are installed at the lower end of the left side surface of the storage tank; an inner cavity is formed in the storage tank; a metal partition plate and a temperature sensor are installed at the lower end of the inner cavity; and a constant temperature device placing cavity is formed below the metal partition plate. According to the technical scheme of the invention, as for the honey storage tank with the constant temperature function, the power is supplied for the whole device through an external power supply; in addition, through the constant temperature device similar to an air conditioner, a stirring column is driven by a drive motor to stir honey in the tank to prevent the honey from solidifying; and the temperature in the tank is detected through the temperature sensor and then is regulated to reach the purpose of constant temperature.

The temperature controlled valve core includes one middle casing with the first water inlet channel and the second water inlet channel; one water outlet casing with water outlet channel connected to one end of the middle casing and one pressing casing connected to the other end of the middle casing. Inside the middle casing, there are a valve core as an axially limited hollow cylinder, two first grooves and two second grooves on the outer surface of the valve core and in the positions near the first water inlet channel and the second water inlet channel separately; the first axially positioned elastic ring and the second elastic ring separately in the first grooves and two second grooves, and one sealing ring set between the first grooves and the second grooves. The first water inlet channel is communicated with the water outlet channel through the first grooves, and the second water inlet channel through the second grooves. The present invention has precise temperature setting, stable temperature stabilizing effect and high reliability.

The invention discloses a fresh air system and an air treatment method thereof. The fresh air system comprises a shell, the shell is provided with a wind inlet grid, the top of the shell is provided with a wind distribution plate, the part between the wind distribution plate and the shell is a wind outlet gap, the shell is further provided with a touch screen, the inner side of the wind inlet gridcommunicates with an air inlet of a first air valve, an air outlet of the first air valve communicates with the air inlet of an electrostatic dust collector, outdoor air communicates with the air inlet of a second air valve through a pipeline, the air outlet of the second air valve communicates with the air inlet of the electrostatic dust collector, an air exhaust mouth of the electrostatic dustcollector communicates with the air inlet side face of a cleaning barrel through an air passage, the top face of the cleaning barrel is an air passing opening, the cleaning barrel belongs to a water mist cleaning device, air flow flows to an air fan after passing through the water mist cleaning device, the air fan is provided with a heating device in the air exhaust direction of the purified air,and the heating device communicates with the wind outlet gap through a wind outlet. The fresh air system is simple in structure, good in air purification effect, free of consumable materials and quiteenvironmentally friendly and convenient and fast.

The invention provides a test device for measuring the stability of beer foam. The test device comprises a foam thermostat, a gas dispersion head, a thermostatic device, a pulley block and a CO2 gas bottle, wherein all the members are distributed and connected according to a gas pipeline and a constant-temperature water circulating path of a system. The test device provided by the invention can be used for researching a dynamic de-foaming process of the beer foam, evaluating the stability of the beer foam, the collection of active substances of the foam and a relation between the active substances of foam and the foam stability, and the like. The test device for measuring the stability of the beer foam has the characteristics of simple structure, low cost and easiness in operation.

The invention discloses an energy-saving coiled tube fan control method capable of improving the comfort degree of environment. In the method, devices need to be adopted as follows: a power supply device, an anti-interference filtering device, a speed-regulating device, a power factor correcting device, a microcontroller, a humiture sensor, a fan motor, a fan impellor and a regulating panel, wherein the microcontroller can process data such as fan return air temperature and humidity which are detected by the humiture sensor and current, voltage and power factors input by the power supply device; the microcontroller also can send instruments to control the speed-regulating device accurately, and further can control the fan motor to run at variable speed so as to achieve the effect of constant temperature; the constant-temperature control mode can improve the temperature comfort degree under the refrigeration environment; the power factor is improved, and line loss can be reduced. By using the control method provided by the invention, a great amount of electricity energy consumption can be saved, and the running cost of fan equipment can be lowered.

The invention provides a preparation process of As2O3/Fe3O4 composite nano-particles, which relates to a novel antitumor medicament preparation process through thermotherapy combined with chemotherapy. The preparation process comprises the following steps of: by applying a chemical coprecipitation method, mixing a FeCl3 solution and a FeCl2 solution according to the mol ratio of 5:3, dropwise adding NH4OH under N2 protection and stirring until the pH of reaction liquid is equal to 9 to generate black precipitates, curing at high temperature, washing and carrying out vacuum drying to prepare Fe3O4 magnetic nano-particles; and by adopting a dipping method, fully mixing As2O3 solutions with different concentrations and pH equal to 5 and a certain mass of Fe3O4 magnetic nano-particles under the condition of ultrasonic dispersion to prepare an As2O3/Fe3O4 nano-composite material through the steps of settling, water bath at high temperature of 80 DEG C, centrifuging, washing, drying, and the like. The prepared As2O3/Fe3O4 composite nano-particles have good magnetic responsiveness and temperature-rising and temperature-controlling capabilities, simultaneously have good biocompatibility and can be further used for tumor thermochemotherapy.

The invention relates to a large tank metal heat preservation structure. The structure comprises a tank body and angle steel supports, the multiple angle steel supports are fixedly connected to the tank body in an inserted mode, metal heat preservation foil is arranged outside the tank body, and the angle steel supports are arranged on the metal heat preservation foil in an inserted mode. According to the structure, after the heat preservation structure outside an existing pressure vessel is improved, an improved heat preservation layer adopts a metal material to replace an existing non-metal material, thus in the use process, the service life of the heat preservation layer can be prolonged, meanwhile, during replacement, the purposes of convenient replacement and avoiding of dust generation can be achieved, and the improved heat preservation layer has the higher use value.

The invention discloses a constant-temperature seedling-raising device for watermelon culture. The constant-temperature seedling-raising device comprises a shell, a growth-promoting agent mixing chamber, an inner chamber, a base and a first working motor, wherein the interior of the shell is provided with the inner chamber; the middle position of the upper surface of the shell is provided with thegrowth-promoting agent mixing chamber; the left side of the growth-promoting agent mixing chamber is provided with an growth-promoting agent placement box; the right side of the growth-promoting agent mixing chamber is provided with a clear water tank; the interior of the growth-promoting agent mixing chamber is provided with a mixing plate; four watermelon seedling placement plates are uniformlydistributed in the interior of the inner chamber; the lower part of the shell is provided with the base; and the middle position of the base is provided with the first working motor. The constant-temperature seedling-raising device provided by the invention guarantees the growth environment of watermelon seedlings to be at a constant temperature, avoids the watermelon seedlings from being influenced by changes of the external environment, can realize disinfection and sterilization of the growth environment of the watermelon seedlings at the same time, guarantees the watermelon seedlings frombeing attacked by germs, and can guarantee nutrients and sunlight needed for growth of the watermelon seedlings at the same time.

The invention relates to an electrical heating moxibustion head, which is provided with a connecting device which is mutually matched and fixed with a fixing band; by the mutually matching and fixing of the connecting device and the fixing band, the moxibustion head is not supported by hands and is more convenient to treat patients; the connecting device is provided with a round of dents for being matched and fixed with button holes on the fixing band on the side periphery of the electrical heating moxibustion head; the interior of the moxibustion head is respectively provided with a heating element installation cavity for installing an electrical heating element, and a heating feedback installation cavity for installing a temperature sensor; a connecting column is internally provided with a through hole which is penetrated back and forth and is used for passing through electrical heating wires; therefore, a control system for controlling the electrical heating moxibustion head adjusts the heating temperature of the electrical heating element by the feedback of the temperature sensor so as to achieve the purpose of constant temperature; the invention also provides an automatic constant temperature hyperthermia instrument; the electrical heating moxibustion head thereof adopts the structure and is convenient to fix; and a hyperthermia instrument control system can control the heating, constant temperature and timing of the electrical heating moxibustion head.

The invention provides an air-controlled thermostatic printing ink roller for printing, and relates to the technical field of printing. The air-controlled thermostatic printing ink roller comprises anink roller, wherein an ink cavity is formed in the middle of the ink roller, a heating sheet is fixedly connected to the inner wall of the ink roller, and an air cavity is formed in the inner wall ofthe left side of the ink roller. According to the air-controlled thermostatic printing ink roller for printing, the air cavity and a conductive block are matched for use; in an initial state, a circuit of the heating sheet is switched on, and the ink in the ink cavity is heated; at the same time, a heating sheet at the bottom of the air cavity simultaneously heats the air at the bottom of a piston block, so that the air expands to upwards push the piston block; when the heating sheet is heated to a certain temperature, the circuit of the heating sheet is switched off; when the temperature ofthe ink cavity is decreased, the temperature of the air in the air cavity drops and contracts, the piston block descends, the conductive block is connected with the electric ring again, the circuit ofthe heating sheet is switched on, and the heating sheet is heated to the specific temperature again, so that the constant temperature effect of air holes is achieved, the ink is effectively ensured to be in the most suitable state, and the printing quality is improved.

The invention relates to a temperature control method for an air-cooled refrigerator. The temperature control method comprises the following specific steps that a shutdown temperature T<off> and a startup temperature T<on> of a compartment needing adjusting are determined, and a opening and closing period for periodical operation of a compartment air door is set, wherein opening time of the air door is t<on>1, and closing time of the air door is t<off>1; the air door is opened for continuous refrigeration on the compartment; a real-time temperature T of the compartment is detected; 4, the air door is closed, refrigeration on the compartment is stopped, and a real-time temperature T of the compartment is detected; the air door is opened and closed according to the opening and closingperiod, wherein the opening time t<on> equals t<on>1, and the closing time t<off> equals t<off>1; the air door is periodically operated, and a real-time temperature T<c> of the compartment is detected, and if the T<c> is smaller than or equal to the T<off>, then the t<on>1 equals t<on> minus Delta ti, the t<off>1 equals t<off>1, the step 4 is re-executed, and if the T<c> is larger than the T<off>,a step 8 is executed; if the T<c> is larger than or equal to T<on>, the t<on>1 equals t<on> plus the Delta ti, the t<off>1 equals the t<off>, the step 2 is re-executed, and if the T<c> is smaller than the T<on>, the step 6 is re-executed. According to the method, by adjusting opening and closing frequency of the air door, a fluctuation range of an instantaneous temperature of the compartment is reduced, and the stability of a temperature in the air-cooled refrigerator is ensured.