66 results about "Sand bath" patented technology

The invention discloses a small simulation device for testing a spontaneous combustion period of coal. The device comprises a spontaneous combustion reaction furnace, a sand bath device, a temperature acquisition system, a temperature compensation system, a gas supply system and a gas analysis system, wherein the spontaneous combustion reaction furnace is provided with a dual-layer coal oxidation furnace nested structure for the first time, and the problem of heat loss of the existing coal spontaneous combustion simulation device is actually solved; the sand bath device has wider temperature control range and higher temperature control accuracy, realizes uniform heat conduction, is suitable for high-temperature work and avoids potential safety hazards; and as another temperature protection structure outside the dual-layer coal oxidation furnace nested structure, the sand bath device provides good temperature protection to the entire simulation process of spontaneous combustion of coal. The device disclosed by the invention works stably, has high simulation similarity, can perfectly simulate the spontaneous combustion process of coal, and can be used for testing the shortest spontaneous combustion period of coal as well as judging and predicting the condition, place and time of the spontaneous combustion of coal under actual conditions and the like.

The invention provides a method for measuring organic matter in soil, which uses a sand bath instead of an oil bath for heating, so that the measurement process is safer; experimental steps are simplified, work efficiency is improved, and experimental consumption costs are reduced. The method for measuring organic matter in soil provided by the invention has a relative standard deviation of 2.86%, and better data reliability and accuracy; the relative standard deviation of the existing method is 3.56%. The invention provides a method for measuring organic matter in soil, and the measuring accuracy is improved by 19.94%.

The invention provides a technique and device for synthesizing methyl chlorosilane. The method comprises the following steps: a sand bath temperature control device is started to increase the temperature in a stirred bed reactor to the preset temperature; the weighed silicon powder and catalyst are uniformly mixed and pressed into the stirred bed under the action of nitrogen through a charging device on the upper part of the stirred bed reactor, and a magnetic stirring device is started; methyl chloride in a methyl chloride storage tank is vaporized by a methyl chloride vaporizer and enters the sand bath temperature control device through a fluidized bed inlet flowmeter to control the methyl chloride inlet reaction flow rate; and the reaction product is condensed by the product condenser and collected from the lower part of a product collector, and the uncondensed gas enters a tail gas buffer tank to be collected, is absorbed by an NaOH solution tank and discharged to the outside. The reaction temperature, reaction pressure, methyl chloride quality, silicon powder quality, catalyst quality and other reaction conditions in the methyl chlorosilane production process have favorable evaluation effects, thereby greatly lowering the industrial plant adjustment risks and enhancing the production efficiency.

The invention discloses a sand bath type bearing polishing machine. The sand bath type bearing polishing machine comprises a polishing box, a bearing base, a bearing sleeve shaft, a stirring device, a lifting machine, a sand filter and a sand discharge pump; the polishing box is a vertical cylinder; the bearing base, the bearing sleeve shaft and the stirring device are arranged in the polishing box; the bearing base is arranged at the bottom of the polishing box; multiple sand discharge holes are formed in the bottom of the polishing box rightly below the bearing base; the bottom of the bearing base is connected with the lifting machine; the bearing sleeve shaft is vertically arranged at the top of the bearing base; the stirring device includes a stirring motor, a stirring shaft and a stirring paddle; the bottoms of the sand discharge holes are connected with sand collecting pipes; the tail ends of the sand collecting pipes are connected with the sand filter; the sand filter is connected with the sand discharge pump; and a sand discharge pipe is mounted on the sand discharge pump. The sand bath type bearing polishing machine can quickly polish bearings in batches, is high in working efficiency, simple in structure and convenient for operation, and can save a lot of manpower and material resources.

The invention discloses a sand bath type capsule polishing and dedusting integrated machine. The machine comprises a base, a feed hopper, a first motor, a first stirring shaft, a first stirring paddle, a sand bath box, a sand inlet pipe, a dedusting box, an ion fan, a sand separating net, a sand collecting layer, a sand discharging pipe, a sand delivery pump, a second motor, a second stirring shaft, a second stirring paddle and a discharge pipe. The first motor is installed at the top of the sand bath box. The bottom of the sand bath box is provided with a movable base plate. The ion fan is fixed to the left side of the dedusting box. The second motor is fixe to the bottom of the right side of the dedusting box. The right side of the dedusting box is provided with the sand separating net. The right side of the sand separating net is provided with the sand collecting layer. The sand discharging pipe is connected with the bottom of the sand collecting layer. One end of the sand discharging pipe is connected with the sand delivery pump. The other end of the sand delivery pump is connected with the sand inlet pipe. According to the machine, the polishing function and the dedusting function for capsules can be integrated. In addition, tiny dust which can not be removed by a traditional dedusting device can be removed, and the phenomenon that capsule polishing is uneven through a traditional polisher can be avoided.

The invention relates to a haydite bath device and a haydite bath method. The haydite bath device comprises a bathtub and a heat supply device, wherein the wall of the bathtub is provided with a plurality of heat supply through holes which are connected with the heat supply device through heat supply pipelines; and the inside of the bathtub is filled with haydite. The haydite bath device has simple structure and low manufacturing cost and wears well; meanwhile, the haydite bath device ensures that a bath sand layer can be heated up at a faster speed and that each position inside the bath sand layer is evenly heated; moreover, the haydite bath device ensures that the bath sand layer can continually maintain a constant temperature; in addition, because the inside of the haydite bath device adopts a haydite composition bath sand layer which has the compositions similar to those of volcanic rock, the device not only ensures that a sand bath process is more comfortable, but also has better efficacy in beauty treatment, health care and health preserving and is easy to clean. Meanwhile, the haydite bath method adopts a method for the cyclic heating of the bath sand layer, thereby having high heating efficiency and energy conservation; moreover, the haydite bath method can clean the bath sand layer so as to ensure a safer and cleaner sand bath process. The haydite bath device and the haydite bath method can be widely used in various places for medical treatment, beauty treatment and health care.

The invention provides a heat treatment method of a target material. The method comprises the following steps: providing the target material which is titanium or titanium alloy; and heating sand whichcan cover the target material to carry out heat treatment on the target material. Compared with the prior art, the invention guarantees the target material to be uniformly heated by a sand-bath heating method, thereby realizing the uniformity of the organization structure of the target material and meeting the requirement of sputtering.

The present invention relates to bath magnetic sand and a manufacturing method thereof. In order to achieve an ideal bath effect, the individuals of sands are required to be provided with lubricating performance among each other. The technical proposal is that the sands are mixed with abstergent which is fatty acid monoethanol amide di-sodium sulfo-susscinate mono ester. Because the abstergent is provided with low toxin, low thrill and stable foam, the product has good calcium soap dispersion and lubricating effect. After the abstergent is added, the effect is that the sands can roll on the soft skin like steel balls for people to enjoy sand bath.

The invention discloses a magnetorheological fluid characteristic tester, including a rack device, a transmission device, a lifting device, a shearing device and a control measurement device. Torque and rotating speed required by rotation are provided through a main motor, and a dynamic torque sensor is directly connected with the main motor; an upper shearing disc transmits shear yield stress tothe torque sensor through an upper magnetic core; the lifting device mainly comprises a lifting motor and a ball screw, and a lead screw nut at the lower end is connected with an electrical support ina transmission part; and the shearing device consists of a magnetic circuit, a coil, a heating device and a magnetism isolation sealing component. The magnetorheological fluid characteristic tester has the advantages of simple structure, convenient operation, high safety and complete functions, and is relatively wide in measurement range; a trapezoid magnetic circuit structure is adopted, and themagnetic circuit is stable and uniform; a motor lifting control scheme is adopted, thereby realizing automatic control of detection; a multi-input heating mode is adopted, and the temperature is adjustable and controllable; and a sand bath heating mode is adopted, stability and reliability are achieved, and controllable temperature is high.

The invention relates to the technical field of asphalt sample preparation and discloses an asphalt sample preparation device and method. The device comprises a mainframe, a sample preparation jar and a sand bath box mounted in the mainframe, a stirring rod which is mounted in the sample preparation jar and can move up or down, a temperature and humidity sensor mounted in the sample preparation jar, a first drive mechanism for driving the stirring rod to perform stirring, a second drive mechanism for driving the stirring rod to move up or down, and a control device connected with the sand bath box, the temperature and humidity sensor, the first drive mechanism and the second drive mechanism respectively, wherein the sand bath box is used for wrapping the sample preparation jar; a molten asphalt outlet corresponding to the stirring rod is formed in the bottom of the sample preparation jar; an opening/closing mechanism is mounted at the molten asphalt outlet and driven to close or open the molten asphalt outlet when the stirring rod moves up or down. According to the device, full-automatic production of asphalt samples can be achieved.

The invention discloses a softening method for wood for knitting. The softening method has the characteristics that the softening method is simple, the treatment period is shortened to 12~13 hours, the working efficiency is increased by 11.3%, the production cost is reduced by 12.6%, and the natural color of the wood is not changed. The softening method comprises the following steps: soaking battens in brine, so that not only sterilization but also dehydration at high temperature can be realized, cellular structures are changed, and permeation of a follow-up treating fluid is facilitated; carrying out high-temperature sand bath of the battens, and spacing the battens with wet leaves, so that the battens are dried after being wetted, fiber structures are softened preliminarily, and the permeability is enhanced; rapidly softening the fiber structures with a softener solution of high permeability, so that the obtained wood is soft, resistant to high temperature, free of cracking, and convenient for machining of wood chips and wood veneers with smooth surfaces, a polishing process is simplified, the softened wood can be free of mold and insects after long-term storage, and storage and use are facilitated; and finally, carrying out medium-temperature drying, so that water is slowly evaporated and cannot be regained, energy is saved, and the environment is protected.

The present invention provides a heat treatment method for a target material. The method comprises: providing a target material, wherein the target material is a copper-phosphorus alloy; preheating sand; coating the target material by the sand; carrying out a heat treatment for the target material. Compared to the prior art, with the present invention, the heating method of the sand bath preheating is adopted, such that the uniform heating of the target material is ensured, the uniformity of the target material organization structure is achieved, and the electroplating requirements are met.

The invention discloses a sand-bath type wheat frying machine which recycles hot sand, and has good energy-saving and environment-friendly effects. The sand-bath type wheat frying machine comprises a rack, a barrel body, a rotary shaft, a feeding cap and a drive motor, wherein the left and right ends of the barrel body are opened; the rotary shaft which is transversely arranged is fixedly arranged in the cavity of the barrel body by a plurality of connecting rods; a spiral blade is arranged on the rotary shaft; the two ends of the rotary shaft are respectively and rotatably arranged on the rack; the drive motor is fixedly arranged on the rack; the drive motor drives the rotary shaft to rotate; the feeding cap is fixedly arranged on the rack; a feeding hole is formed in the feeding cap; the feeding cap is utilized to block the opening in the right end of the barrel body; the side wall of the left end of the barrel body is provided with a screen mesh; the screen mesh is arranged by surrounding the side wall of the barrel body by one circle; the outer wall of the barrel body is provided with a sand pocket for completely covering the screen mesh at a position corresponding to the screen mesh; a sand return hole is formed in the side wall of the right end of the barrel body; a sand return tube is arranged between the sand pocket and the sand return hole; the sand return tube is spirally distributed on the outer wall of the barrel body; and the rack is provided with a material collecting slot at the position corresponding to the opening in the left end of the barrel body.

The invention discloses a sand bath device for raising chicken. The sand bath device for raising chicken comprises a vertical barrel. A transverse elastic plate is arranged in the vertical barrel, the edge of the elastic plate is fixedly connected to the inner wall of the vertical barrel, sand is held on the elastic plate, a through hole is formed in the middle portion of the elastic plate, a transverse supporting plate is arranged on the lower side of the elastic plate, the supporting plate is slidably matched with the vertical barrel, the through hole of the elastic plate is fixedly connected to the supporting plate, a vertical tube is fixedly connected to the lower side of the supporting plate, the axis of the vertical tube is parallel to the axis of the vertical barrel, the upper end of the vertical tube penetrates through the supporting plate and communicates with the through hole, a slide block sleeves the vertical barrel, a plurality of connecting rods are connected between the slide block and the vertical barrel, a tension spring is connected between the supporting plate and the connecting plate, and the lower end of the vertical tube is detachably connected to the base. Falling feather of chicken after sand bath and discharged feces can be automatically separated from sand.

The invention provides a plant root system growth chamber applicable to rhizosphere research, and relates to a growth chamber, which is used for solving the problems that as space of a root box is narrow and small, growth of a root system is limited, and growth and physiological properties of the root system are changed to affect rhizosphere effect in the existing rhizo-box method for collecting rhizosphere soil. The plant root system growth chamber provided by the invention comprises two plates, two strip clips and two glass paper, wherein, the two strip clips are arranged between the twp plates in parallel; the two plates and the two strip clips form a bottomless and uncovered box body; the inner wall of each plate is provided with one glass paper along the vertical direction; and the lower end of each glass paper extends to the outside of the box body and is embedded into a sand bath. The plant root system growth chamber provided by the invention is used for planting plants on the sand bath and carrying out plant rhizoshpere research.

The invention discloses a high temperature solvent pretreatment method for improving the yield of sodium rich coal direct liquefaction oil. The method includes: firstly conducting crushing treatment on raw coal, blending the crushed coal with a compound solvent in a mass ratio of 2:1-1:1 in a reactor, then performing ultrasonic oscillation treatment, then subjecting the obtained mixed slurry to heat treatment under a condition of 200-250DEG C for 20-40min, employing flow sand bath for fast heating of the reactor, then separating the heat treated mixed slurry by centrifugal precipitation, and recovering the solvent for subsequent liquefaction experiment. The pretreatment method provided by the invention has the advantages of simple operation, recyclable solvent, and obvious promotion effect on the direct liquefaction oil yield. According to the invention, after high temperature solvent pretreatment, the oil yield of high sodium coal direct liquefaction can be increased by 10%-13% (dry ash-free basis), the overall conversion rate can be increased by 15%-18% (dry ash-free basis), therefore the method has good industrial value and application prospect.

The invention discloses a preparation method of white pure cerium oxide. The preparation method comprises the following steps: adding yellow cerium oxide into deionized water to obtain a mixed solution a; ultrasonically treating the mixed solution a, adding the mixed solution an into a reactor, checking the gas tightness of the reactor, emptying the reactor with hydrogen after no gas leakage is checked, and introducing the hydrogen; and putting the reactor into a sand bath fluid with the temperature of 400-450 DEG C, reacting for 0.5-1 hour, filtering and washing after the reaction is finished, and then carrying out vacuum drying to obtain the white cerium dioxide; the white cerium dioxide is prepared by using the yellow cerium dioxide as a raw material by using the supercritical technology, the product is high in whiteness, small in particle size, and good in dispersibility, the preparation method is simple and feasible in process, free of any additive, green and environment-friendlyin the production process, and has no secondary pollution to the environment; and compared with a previous method, the preparation method has the advantages of low production cost and high synthesis yield.

The invention discloses a sand bath type bearing polishing device which comprises a base, a working frame, a bearing arranging frame, a polishing box and a control mechanism. The bearing arranging frame comprises a first rotating shaft, a transverse mounting plate, a longitudinal mounting plate, a telescopic plate and a second rotating shaft. The top of the polishing box is open and is located below the first rotating shaft; a stirrer is arranged in the polishing box; the control mechanism is further arranged on the base; and the bearing arranging frame and the polishing box are connected withthe control mechanism. According to the sand bath type bearing polishing device, through mutual cooperation of the bearing arranging frame and the polishing box, feeding and polishing of a bearing are automatically completed, the automation degree is high, operation is easy, the labor intensity of workers is greatly reduced, the operation time is saved, and the work efficiency is improved; by rotating the bearing in the polishing box fully filled with polishing sand, the polishing effect is enhanced, and the polishing efficiency is improved; and the polishing sand is continuously stirred through the stirrer, the polishing strength of the polishing sand on the bearing is further improved, and polishing is more thorough.

The invention provides a device and a method of shale saturated water. The device comprises water injection equipment and saturation equipment, data acquisition equipment and vacuumizing equipment, wherein the water injection equipment is used for injecting water into the saturation equipment; the water injection equipment comprises a heating belt and the heating belt is used for heating a pipeline for injecting water into the saturation equipment; the saturation equipment is used for the saturated water; the saturation equipment comprises a sand bath pot and a sample tank arranged in the sandbath pot; the data acquisition equipment is used for monitoring the temperature and pressure of the sample tank in the saturation equipment; the vacuumizing equipment is used for controlling the pressure of the sample tank in the saturation equipment. The invention further provides the method for finishing the shale saturated water by utilizing the device.

The invention discloses a starch viscosity testing system and a starch viscosity measuring method. The starch viscosity testing system is characterized by comprising a constant-temperature heating andstirring device, a viscosity measuring device, a data transmission line and a data recording and displaying device. And the constant-temperature heating and stirring device is one of an air bath, a sand bath, a water bath and an oil bath. The heating mode can be that the viscosity is measured after heating is completed, and can also be that the viscosity is measured while heating. And the constant-temperature heating and stirring device is one of magnetic stirring and mechanical stirring. The starch can be added into a measuring cup at a time and is heated all the time to test the viscosity,or the starch can be replaced again to be dissolved, heated and tested after the viscosity is measured at constant temperature by heating each time. The system has the beneficial effects that the system is convenient to measure, accurate and comprehensive in measured data, wide in application range, low in price, durable, capable of being heated for a long time, convenient to replace and wash themeasuring cup, beneficial to rapid and accurate measurement of the starch viscosity, capable of ensuring accurate parameters in the impregnating compound preparation and control process, high in superior product rate and capable of reducing the cost in a disguised manner.

The invention provides a movable temperature control sand bath beam source furnace and a mounting and coating method thereof. Heat transfer can be faster and temperature control can be more accurate and faster by filling sand, and the structural design is movable, so that the use compatibility and universality in different vacuum cavities are facilitated. According to the movable temperature control sand bath beam source furnace, heating is achieved in a sand bath heating mode by the filling sand, the heat transfer mode is changed into two heat transfer modes including heat conduction and heat radiation from single heat radiation, heat transfer is faster, and temperature control is more accurate and faster; meanwhile, the movable temperature control sand bath beam source furnace has the characteristics of being simple in structure and movable, the position of the beam source furnace in a vacuum evaporation cavity and the position of the beam source furnace relative to a sample can be easily adjusted, and wide compatibility of the beam source furnace to vacuum evaporation cavities of different structures is also easily achieved.

The invention discloses a sand bath device with cleaning convenience for chicken. The device comprises a bracket, wherein a rotating rod is arranged on the bracket, and the middle of the rotating rod is hinged with the bracket; two sand storage mechanisms are arranged above the rotating rod, and comprise guiding rods, upright cylinders, upright tubes, first sieve plates and second sieve plates; the first sieve plates and the second sieve plates are coaxially arranged with the upright cylinders; each first sieve plate comprises a first upper plate and a first lower plate which are coaxially connected in a rotating manner; a first upper rectangular hole is formed in the middle of each first upper plate, a first lower rectangular hole is formed in the middle of each first lower plate, and a plurality of sieve holes are formed in the first upper plates and the first lower plates; the sieve holes are staggered or aligned by rotating the first upper plates and the first lower plates, so that sand is screened. According to the sand bath device, feathers and excrement in sand for sand bath can be automatically cleaned, so that burden of workers can be reduced.

The invention provides a circulating air-heating drift sand bed. The circulating air-heating drift sand bed comprises a bed body, wherein the bed body is divided into a sand therapy zone and an equipment zone through a partition; the sand therapy zone adopts a semi-closed structure with an open top; a sand pit is arranged inside the sand therapy zone; a first radiating tube, a second radiating tube and a third radiating tube are laid below the sand pit; a sand bath device is arranged above the bed body, and can provide sand bath for a patient; a heating unit, a gas pressurizing unit and a temperature control unit are arranged inside the equipment zone; three top plates are arranged above the sand therapy zone, and can be flexibly spliced and assembled into a mattress or a worktable. The circulating air-heating drift sand bed heats the sand pit in a circulating electric heating way so as to substitute the conventional sand therapy, has a good therapeutic effect, and saves the therapeutic cost and the therapeutic time of a rheumatoid patient.

The invention discloses a water collecting and using device for an extreme environment. The device comprises a water-proof breathable garment and a crystal water condensation recovery box, the water-proof breathable garment comprises an upper outer water-proof breathable garment, water-proof breathable trousers and a plurality of functional storage units, the functional storage units comprise heat-preservation layers, functional bags and water-proof coatings, and moisture absorbing bags are arranged in the functional bags; the crystal water condensation recovery box comprises a steam absorbingcover, a box body, a condensing pipe and a steam agglutination cover, and the box body comprises a liner layer and a sand bath interlayer. The device can absorb and collect water vapor evaporated from a human body and moisture in air, the comfort of the human body is improved, the lost moisture of the human body can be effectively recovered, and using is flexible; the crystal water condensation recovery box heats crystalline hydrate and recovers the water vapor, and after the separated water vapor through heating is condensed and filtered, the water vapor can be taken as the emergency water source and used by people under the circumstance of extreme lack of water in the desert, field and the like.