108results about How to "Control temperature" patented technology

The invention provides a magnetic separation enhanced type electromagnetic thermal desorption method and device for remediating contaminated sites. The method is characterized in that ferromagnetic materials, such as reducing iron powder, are doped into contaminated soil in an ex-situ mixing and stirring manner, the contaminated soil spirally stirred is heated by using electromagnetism, and a thermal desorption heat transfer gasifying effect is improved through the in-situ electromagnetic eddy heating of the ferromagnetic materials; the reaction activity and oxidation reduction capability of the ferromagnetic materials are improved when the ferromagnetic materials produce heat; after thermal desorption is finished, the ferromagnetic materials of which the surfaces react and adsorb pollutants can be separated from the contaminated soil through magnetic separation, recycled and reutilized; and the continuous remediation of contaminated soil is realized. The device also can be used for the in-situ remediation of contaminated soil. After the ferromagnetic materials are added to the soil in situ through a ploughing stirring device, the soil is heated in situ by utilizing an electromagnetic induction coil to carry out excitation eddy heating in the contaminated soil, pollutants are desorbed, and at the same time, the reaction activity of the magnetic materials(for example, reducing iron powder) can be improved; and after reaction is finished, the iron powder can be separated from the contaminated soil through a magnetic separation technology. The device also can be placed in soil to realize in-situ oxidation reduction degradation. The method and device are suitable for the in-situ thermal desorption remediation of circumjacent large area of low-concentration contaminated soil.

The invention relates to a preparation method of a composite material of a barium strontium aluminum containing silicate/mullite/SiC three-layer composite structural coating and belongs to the technical field of preparation of high-temperature-resistant composite materials. According to the basic technical route, the preparation method comprises the steps that a SiC bottom layer is prepared by adopting an embedding method, then a mullite middle layer is prepared on the surface of a SiC coated carbon/carbon composite material by using a sol-gel process, and finally a BSAS outer coating is prepared on the surface of the mullite middle layer by adopting an in-situ reaction sintering process. Compared with a traditional plasma spraying method and a chemical vapor deposition method, the method has the advantages that the device cost is low, the process is simple, quick and efficient and has strong adaptability to basic shapes, and the obtained coating is uniform, compact and the like. The preparation method is simple and controllable in process and facilitates industrialized application.

The invention discloses an intensive resource recovering plant factory, comprising an envelope structure and a purity of indoor plant cultivation units surrounded by the envelope structure. Each of the plant cultivation unit is in closed-end structure, is provided with a light source apparatus independently, and is communicates to a gas-liquid shared pipeline system respectively. The intensive resource recovering plant factory has the advantages that the resource utilization is improved significantly, the plant yield per unit area is increased, the product cost is lowered and the popularization and application of plant factory is promoted in a wide range through innovative improvements on the structure of the plant factory.

The invention discloses a preparation method of biological diesel. The method comprises the following steps: adding methanol and raw oil (various preprocessed greases) into a reaction kettle in the mol ratio of (4:1)-(8:1), adding acid, and carrying out pre-esterification under negative pressure; adding water to neutralize and wash, dehydrating, removing impurities, drying, sending into the reaction kettle, heating to 75 DEG C, adding alkali, and carrying out transesterification under negative pressure; separating out the glycerol methanol solution on the lower layer to obtain crude biological diesel; and carrying out tertiary molecular distillation to obtain fatty acid methyl ester containing C16, C18 and C20, thereby obtaining the biological diesel. The invention has the advantages that the method is simple and the overall esterification time is shortened by 1/2; the transesterification rate is higher than 93%; the dehydration, decoloring, degassing and other working procedures of the intermediate products are completed in one step, thereby shortening the process, reducing the energy consumption and lowering the cost; and the obtained product has stable quality, and all the technical indices achieve and even exceed the 0# diesel national standard.

The invention provides a method for preparing ginseng seed oil through cold pressing. The method comprises a complete set of related technologies of the pretreatment of raw materials, temperature control, crude oil refinement and the like. The adopted technical scheme comprises the following steps of: drying at low temperature, namely controlling the temperature of the raw materials to be less than 60 DEG C, and reducing the water content to be less than 5 percent; hulling by a huller and an impact method, wherein the hulling rate is over 90 percent; adjusting, namely adjusting a pressing material to ensure that the water content is 5 to 10 percent and the temperature is 30 to 45 DEG C; pressing, namely performing secondary pressing by a twin-screw press, wherein the content of residual oil of a cake obtained after first pressing is 23 to 30 percent and the temperature of the cake is not more than 45 DEG C, and the content of residual oil of a cake obtained after second pressing is 10 to 15 percent and the temperature of the cake is not more than 70 DEG C; and refining crude oil, namely filtering the crude oil by a plate and frame filter for multiple times, wherein auxiliary filtering layers such as cotton cloth, rice paper and the like are added on filter cloth during the filtration. The ginseng seed oil prepared by the method does not contain any chemical substances, and can be used in health-care food and cosmetics.

This invention relates to a water supply control method for the electric steam stove, which includes at least three steps: the measuring course of the balanced temperature Tc, the detecting course of the heating plate real-time temperature T2, the comparing course and the operating course of the water make-up structure; wherein the measuring course of the balanced temperature Tc means the heating plate heats under the normal condition and provides the cooking cavity with high temperature steam, and records the stable temperature in the reservoir of the control module. This invention can realize the real-time and exact inspect to control the temperature of the stove; and it can control the providing with the period and the quantity of water for the heating plate to ensure the invariableness of the temperature and the steam quantity in the stove cooking cavity and benefits the cooking effect and cooking efficient

The invention discloses a lip for producing a wide aluminium alloy cast-rolled slab, which is mainly formed by abutting and assembling upper and lower box plates (45) and a side check block (42). A melt cavity (43) is formed between the upper and lower box plates (45); one end of the melt cavity (43) is provided with a flow inlet (41) and the other end of the melt cavity (43) is provided with a flow outlet (46); a plurality of supporting blocks are arranged in the melt cavity (43) at intervals; each supporting block is fixedly connected between the upper and lower box plates (45); the width a of the flow inlet (41) of the lip is slightly less than the width b of the flow outlet (46) of the lip; and the width b of the flow outlet (46) is over 1,800mm. The lip disclosed by the invention has a simple structure and long service life and can ensure stability of melt flow and thermal field uniformity of the melt flow in the production process of the wide aluminium alloy cast-rolled slab.

The invention discloses a transformer ignition point monitoring and extinguishing method and system based on infrared technology. Each surface of a transformer can be monitored in real time through aninfrared thermal imager, so that the problem that a traditional point-type sensor can only be used for controlling the position of a key point is solved; the histogram variance of the infrared thermal image is calculated and compared with a set threshold value, so that a suspected flame or an electric spark can be found; and the image is subjected to histogram equalization, the suspected target area can be found by marking the communication, edge extraction is carried out on each suspected target region, the extracted edge contour is recognized through a fisher classifier, the target ignitionpoint can be found, and then a fire extinguishing device can be used for extinguishing fire to the target ignition point. According to the method and the system, external heating faults of the transformer can be monitored through the infrared monitoring transformer, and the condition that the surface of the equipment is continuously and stably heated due to internal heating faults is avoided, theglobal temperature can be well controlled, and meanwhile accurate fire extinguishing can be achieved through a fire extinguishing device on the corresponding side of the transformer.

The invention relates to a phase-change constant-temperature mattress which comprises a surface layer and a constant-temperature mattress layer filled with a microcapsule phase change material. The constant-temperature mattress layer filled with the microcapsule phase change material is formed by injecting the microcapsule phase change material into the mattress layer of the mattress by utilizing the characteristics of constant temperature absorption, capacity of releasing a large amount of energy, small particle size, high heat transfer rate, high stability, high safety and the like in the microcapsule phase change material, so that proper temperature and touch of the mattress can be realized. In addition, the phase-change constant-temperature mattress is high in thermal sensitivity, safe and free of pollution, does not need to be added with energy and is durable to use.

The invention discloses a gridded temperature control system for a concrete dam. The gridded temperature control system for the concrete dam comprises a real-time inductor, a temperature control server and a rapid regulation-control machine which are sequentially connected. The gridded temperature control system for the concrete dam further comprises a database server, wherein the rapid regulation-control machine comprises a plurality of industrial personal computers, a plurality of temperature compensation sources, a plurality of PLCs, a pipe network with a variable topology structure and a wireless base station, the pipe network with the variable topology structure comprises a plurality of gridded multi-pass control units, and the temperature compensation sources, the PLCs and the wireless base station are connected with the industrial personal computers separately; the database server is connected with the real-time inductor and the rapid regulation-control machine separately; and the pipe network with the variable topology structure is arranged in a dam body. According to the gridded temperature control system for the concrete dam, a temperature control pipeline for the dam isgridded, and a sensor group is arranged around grid nodes, so that the flexibility and pertinence of temperature regulation-control for the dam are improved; and adverse factors possibly occurring inthe temperature regulation-control for the dam are predicated in advance, and a traditional passive temperature regulation-control manner is changed into active temperature regulation-control, so thatthe uncertainty of the temperature regulation-control for the dam is reduced.

The invention discloses a self-heating fracturing fluid with controllable peak temperature, and a preparation method and application of the self-heating fracturing fluid. The self-heating fracturing fluid is prepared by mixing a self-heating fracturing fluid base fluid and an activator solution according to a mass ratio of (18-22): (0.8-1.2). According to the self-heating fracturing fluid, a urea/nitrite/ammonium salt/low-concentration acidic activator system is adopted; according to the system, after a low-concentration activator is added, HNO2, NH4<+> and NH3.H2O undergo a thermochemical reaction, so a good heat generation effect is achieved and the cold damage of the fracturing fluid to a stratum is reduced; meanwhile, when the use concentration of an activator solution is 0.005%-0.04%,time for reaching the peak temperature is 1-5 hours, and the peak temperature reaches 48-105 DEG C, so the temperature for reservoir development is controllable, the cold damage of the fracturing fluid to the stratum is reduced, the gel breaking of the fracturing fluid can be enhanced by increasing the temperature, and secondary damage to the stratum is reduced; and therefore, the fracturing fluid is suitable for yield increase and transformation of high-pour-point oil reservoirs and low-temperature reservoirs.

The invention discloses a hydrogen fuel cell temperature regulation and control device and relates to the technical field of temperature control devices for hydrogen fuel cells. The invention aims to solve a problem that most of hydrogen fuel cell temperature regulating devices on the market at present only focus on the working temperature of a hydrogen fuel cell so that the performance of the hydrogen fuel cell is not fully exerted. A hydrogen heating and dehumidifying mechanism is arranged on one side of the hydrogen fuel cell, an oxygen heating and dehumidifying mechanism is arranged on the other side of the hydrogen fuel cell, a hydrogen pipe is arranged at the gas inlet end of the hydrogen heating and dehumidifying mechanism, and a hydrogen inlet pipe is arranged at the gas outlet end of the hydrogen heating and dehumidifying mechanism; a hydrogen return valve is arranged in the middle of the hydrogen inlet pipe, one side of the hydrogen return valve is connected with a hydrogen return pipe in a sealed mode, an oxygen pipe is arranged at the gas inlet end of the oxygen heating and dehumidifying mechanism, and an oxygen inlet pipe is arranged at the gas outlet end of the oxygen heating and dehumidifying mechanism; and a heat absorption mechanism is arranged on one side below the hydrogen fuel cell.

The invention relates to the field of logistics boxes, in particular to a corn and fruit and vegetable freshness keeping logistics box which comprises a storing box, an isolating mechanism and a coverplate. The storing box is used for keeping freshness of corn. The isolating mechanism is clamped to the top end of the interior of the storing box. The cover plate is used for sealing the storing box. A fixing plate is arranged in the storing box. A second ice box is installed in the middle of the fixing plate. The top of the second ice box abuts against the connecting plate of the isolating mechanism. A first ice box is installed on the top of a clamping plate of the isolating mechanism. According to the corn and fruit and vegetable freshness keeping logistics box, a sealing ring is arrangedat the top end of the storing box, the sealing performance of the storing box is improved, by means of cooperative use of a storing chamber in the storing box, ice blocks can be stored in the storingbox conveniently, heating of the middle portion due to piling of the corn is avoided, meanwhile, the side wall of the storing box is provided with a gas inlet used for filling helium into the storingbox, then breathing effect after the corn is collected is restrained, it is ensured that the freshness of the corn is kept better in the logistics process, and finally the mass and quality of the corn are improved.

The invention discloses a rotary tea leaf withering and shaking device, which comprises a base. A main planet wheel and an auxiliary planet wheel are arranged above the base, the main planet wheel isconnected with a motor which is connected with the base, a ventilation pipe is connected between sun gear shafts of the main planet wheel and the auxiliary planet wheel, and mesh screen drums are connected between planet gear shafts. The sun gear shaft of the auxiliary planet wheel is a hollow pipe, and the other end of the sun gear shaft of the auxiliary planet wheel is connected with an air heater through a sleeve. The air heater is connected with the base, the ventilation pipe is provided with vent holes, the mesh screen drums are provided with screen holes, a collection tank is arranged under the mesh screen drums, and the mesh screen drums are provided with discharging covers. The rotary tea leaf withering and shaking device has advantages that by combination of withering and shakingprocedures, adverse human factors in alternation of the two procedures are avoided, efficiency improvement and cost reduction are realized, uniform tea leaf heating and friction are realized, and tealeaf quality stability and quality are improved.

The invention relates to bituminous concrete construction temperature detection methods, in particular to a bituminous concrete construction temperature detection method of a bituminous pavement double-layer paving technology. The problem that an existing bituminous pavement double-layer paving technology can not conduct construction temperature detection and control in real time is solved. According to the bituminous concrete construction temperature detection method, an infrared thermometer is arranged at the rear end of an upper layer screed plate of a paver. A surface contact type thermometer is arranged on a lower layer screed plate of the paver, and the surface contact type thermometer is placed in front of a spiral material distributor. An inserting type digital display thermometer with a metal detection probe is mounted on a track. The paver is started, temperature collecting is conducted in the traveling process of the paver, the temperature data recorded by the inserting type digital display thermometer with the metal detection probe, the infrared thermometer and the surface contact type thermometer are transmitted to a data collecting system, the temperature data are detected in real time, and the construction temperature is controlled. The bituminous concrete construction temperature detection method of the bituminous pavement double-layer paving technology is used in the field of road and bridge engineering.

The invention discloses a double-side ventilating pyretic moxibustion plaster. The double-side ventilating pyretic moxibustion plaster comprises base fabric with glue, the two sides of the base fabricwith glue include flange portions respectively, and the upper surface of the base fabric with glue is fixedly provided with a heating moxa powder package which is composed of a heating package and amoxa powder package; and the heating package of a double-layer ventilating film structure includes upper and lower ventilating films, the heating package is arranged between the base fabric with glueand the moxa powder package, the lower surface of the heating package makes contact with the upper surface of the base fabric with glue, the upper surface of the heating package makes contact with thelower surface of the moxa powder package, the external surface of the moxa powder package is covered with lining cloth, and each flange portion comprises a pasting part and release paper. The double-side ventilating pyretic moxibustion plaster is convenient to use and store, does not generate smoke or ash, needs not to be lightened, does not need an accurate acupoint position during use, can cover the acupoint completely by adjusting the moxa package, can generate heat continuously for 10-12 hours with the stable heating temperature, and has a better effect with longer time.

The invention discloses a monitoring equipment device for cleaning the interior of an earth pressure bin. The device comprises a mirror frame, a lens is arranged in the mirror frame, the mirror frameis connected with a shell, the shell is connected with the wall of an earth pressure bin through a flange base, a camera is arranged in the shell, a lens of the camera faces the lens, and cleaning equipment used for cleaning the lens is arranged on the mirror frame. The monitoring equipment device has the beneficial effects that the monitoring effect on the cutter under the severe environment of high temperature, high pressure and darkness of the earth pressure bin in the shield tunneling machine is achieved; and under the condition that the window is shielded by mud, cleaning can be conductedthrough high-pressure water and high-pressure gas, and it is guaranteed that the view is clear.

The invention discloses a bionic lotus root slice with the effect of clearing fire and improving eyesight, which comprises the following components in parts by weight: sesame paste, oat paste, potato starch, fresh lotus root, fresh Guanyin chai leaf, perilla leaf, houttuynia cordata, and light bamboo Leaves, wild chrysanthemum, medicinal wheat koji, vitamin E, amino acids, stevioside, cyclodextrin, konjac glucomannan, edible plant ash soaking liquid, citric acid, appropriate amount of water. The bionic lotus root slices of the present invention are prepared by using Guanyin Chai fermented liquid combined with sesame paste, oat paste, and potato starch, and then steamed and quickly baked at high temperature. It also has the nutrients of Avalokitesvara Avalokitesvara leaves, perilla leaves, Houttuynia cordata, light bamboo leaves, and wild chrysanthemum flowers.

The invention relates to the field of detection tool manufacturing, and discloses a manufacturing technology of a laser detection jig plate. The technology comprises the following steps that (1) a blank of the jig plate is ground on a grinding machine to be square, and the sides of the blank are machined to form right angles; (2) the jig plate is subjected to CNC rough machining, and multiple mounting stations are formed on the jig plate; (3) the jig plate is subjected to vacuum heat treatment; (4) the jig plate is subjected to fine grinding on the grinding machine; (5) the jig plate is subjected to slow wire feed machining, and multiple through holes are formed in the jig plate; (6) the jig plate is subjected to CNC finish machining in place; and (7) the surface of the jig plate is subjected to carburizing treatment. According to the manufacturing technology of the laser detection jig plate, through upgrading and modification to the original technology, the grinding temperature and the cutting heating temperature are controlled more effectively, the phenomenon of deformation is avoided in the manufacturing process, and therefore manpower and material resources are saved, the cost of production and manufacturing is reduced, and the requirement for long-term development can be met easily.

The invention discloses a heat-clearing body-tranquilizing sleep-prompting orange daylily drink, which comprises the following components, by weight part, fresh premna microphylla leaves, rhizoma phragmitis, spine date seeds, lilies, orange daylilies, an American ginseng extract, a gingko leaf extract, a Chinese wolfberry fruit extract, royal jelly freeze-dried powder, yeast, calcium citrate, konjac glucomannan, nanometer chitosan and activated nanometer zeolite. In a fermented orange daylily drink, the gel characteristic of premna microphylla is utilized, and a gel fermented aggregate comprising half of the yeast is loaded in a premna microphylla filtrate. The gel fermented aggregate is put in a liquid fermentation environment composed of other component, the interior and exterior of the fermented aggregate are fermented in the created fermentation environment, multiple stirring is carried out, and the inner and outer fermentation interact. The temperature in the fermentation microenvironment is regulated, the fermentation products are enriched, and the taste and flavor of the final product is optimized. Furthermore, through cooperation of lilies and orange daylilies, the drink has the efficacy of nourishing the body and keeping the body healthy, boosting immunity and improving sleep quality, increasing appetite and resisting fatigue.

A mobile phone shell based on a phase change material is characterized in that the mobile phone shell comprises a shell body and a polymeric material layer arranged on the shell body, the shell body comprises a shell body and a frame, and functional powder is arranged in the polymeric material layer; wherein the functional powder comprises phase change powder; the phase change powder is used for absorbing heat generated by a carrier placed in the shell body by changing a physical form; the phase-change powder has the characteristics of approximate constant-temperature energy storage and heat release; the structural characteristics of the mobile phone protection shell are combined; therefore, the mobile phone is protected; the temperature of the mobile phone can be regulated and controlled,so that the mobile phone can run in the optimal design use temperature range and the design performance of the mobile phone can be exerted, the mobile phone can be used in a high-temperature environment or a low-temperature environment without being influenced, the power consumption of a battery is reduced, and the standby time of the mobile phone is prolonged, thereby ensuring the normal work ofthe mobile phone and prolonging the service life of the mobile phone.

The invention relates to a concrete curing chamber with a good curing effect, and belongs to the technical field of concrete testing equipment. The concrete curing chamber with the good curing effectcomprises a placing frame, placing layers, an air conditioner cooling system, a temperature regulation and control assembly and a humidity regulation and control assembly, wherein the placing frame isarranged in the curing chamber and is used for placing concrete samples; the placing layers are mounted on the placing rack in multiple rows; the air conditioner cooling system is loaded in the curing chamber and is used for performing temperature reduction in the curing chamber; the temperature regulation and control assembly is adjustably arranged on the placing frame and is used for performingregulation on the temperature of the concrete samples; and the humidity regulation and control assembly is arranged on the placing layer and is used for performing regulation on the humidity of the concrete samples. The invention aims at providing the concrete curing chamber with the good curing effect, the temperature can be effectively and uniformly transferred, and the situation that the curing effect of the concrete samples is not ideal due to the fact that water vapor is condensed into water drops can be prevented.

The invention discloses a Agaricus blazei chewable tablet capable of alleviating oral inflammation, which comprises the following components in parts by weight: fresh Avalokitesvara basil leaves, Radix Ophiopogon japonicus, Sanyinhua, licorice, bamboo leaves, glutinous rice flour, potato flour, kelp powder, defatted Animal bone meal, Ganoderma lucidum fruiting body extract, Agaricus blazei fruiting body extract, yeast, niacin, folic acid, vitamin B, vitamin C, konjac powder, edible plant ash soaking liquid, sodium hydroxymethylcellulose, dextrin, appropriate amount of water. The Agaricus blazei chewable tablet of the present invention is made by compressing and baking fermented Guanyin chai liquid together with glutinous rice flour, potato flour, kelp powder, defatted animal bone powder, ganoderma lucidum fruiting body extract, and Agaricus blazei fruiting body extract. It is delicious and has obvious anti-inflammatory effect on oral inflammation. Long-term consumption can cure oral ulcers, oral odor, periodontitis, gingivitis and other oral inflammations, and it is not easy to relapse. At the same time, it can improve the body's non-specific immunity and specific immunity.

The invention discloses a method for automatically regulating and controlling temperature and humidity of a storage cabinet. The method comprises the following steps that after a microprocessor receives temperature and humidity signals and when the temperature is lower than a set value, the microprocessor controls a heating sheet to perform heating; when the temperature is higher than the set value, the microprocessor controls a compressor to start to begin to perform refrigerating to enable the interior of a storage cabinet body to be rapidly cooled; when the humidity is higher than a presetnumerical value, the microprocessor controls a circulation fan to operate and blow air for dehumidifying from a position close to a top plate to the lower portion; when the humidity is lower than thepreset numerical value, the microprocessor controls an evaporator to evaporate water inside the evaporator into water vapor through microwaves and release the water vapor into the storage cabinet body, and the humidity inside the storage cabinet body is improved by combining the circulation fan. According to the method, the microprocessor is utilized to automatically control all the internal components to rapidly regulate and control the temperature and humidity, so that the storage environment of articles is stable and reliable, the situation that medicine loses efficacy or yogurt exceeds thetime limit does not need to be worried, the internal temperature difference can be controlled to fluctuate within a small range, and the interior can be kept to have enough humidity so as to meet thestorage requirements of vegetables.

The invention relates to compressed white brick tea, which is characterized in that fresh tea leaves are withered, under the condition that the fresh tea leaves pass through a withering tank at the pile turning temperature being 10 to 40 degrees, natural withering is carried out, and the time is 5 to 10 days; drying is carried out, the water content is controlled to be 6.5 to 10 percent, and white Baimao tea is obtained; then, Baimao tea raw materials with the water content being 6.5 to 10 percent are selected, and are subjected to screening separation, steaming pressing, cooling shaping and demolding trimming, and inspection drying and inspection packaging are carried out. The compressed white brick tea has the advantages that the water content, the temperature and the time of tea leaf natural whitening are better controlled; the optimal whitening stage is mastered, so that the product appearance is white, the tea soup is orange, and the original taste and the original flavor are basically guaranteed.