29results about How to "Fully volatile" patented technology

The invention discloses a multifunctional combined treatment instrument for the rheumatism and immunology department, which comprises a massage mechanism, the massage mechanism comprises a backrest plate rotationally arranged on the back of a cushion plate, one end of the side surface of the backrest plate is fixedly provided with a rotary adjusting rod, and one end of the surface of the rotary adjusting rod is in threaded connection with a fastening nut; a controller is fixedly arranged at one end of the back of the backrest plate, and a lower connecting plate is fixedly arranged at the other end of the back of the backrest plate; through the design of the adjustable backrest plate and the cooperation of the rotating adjusting rod and the fastening nut, personalized adjustment of the supporting angle of the back of a patient is achieved, the optimal comfort degree in the treatment process is ensured, and meanwhile the supporting angle of the back of the patient is adjusted through the threaded rod and the sliding block system driven by the controller and the elastic adjustment of the spring rod. The massage machine box can be tightly attached to the outline of the back of a patient, accurate and comfortable massage experience can be achieved whether in a flat area or in a curve area, and the massage effect is effectively improved.

The utility model discloses a heating device and an electronic smoking set. The heating device comprises a pipe body, a heating circuit and a plurality of positioning pieces. The heating circuit is arranged on the inner side wall of the tube body; the multiple positioning pieces are arranged on the inner side wall of the pipe body in a circumferential array mode. The positioning piece is an elastic piece arranged on the inner side wall of the pipe body, the distance between the first end of the elastic piece and the inlet portion of the pipe body is smaller than the distance between the second end of the elastic piece and the inlet portion of the pipe body, the first end of the elastic piece is connected with the inner side wall of the pipe body, and a preset distance is formed between the second end of the elastic piece and the inner side wall of the pipe body. A plurality of positioning pieces are arranged on the inner side wall of the pipe body in a circumferential array mode, the positioning pieces can position the cigarettes inserted into the pipe body, the cigarettes are prevented from moving in the pipe body, the temperature of all positions of the cigarettes in the heating device can be more uniform, it is guaranteed that nicotine and smoke in the cigarettes can be fully volatilized, and the heating efficiency is improved. Therefore, the utilization efficiency of the cigarettes is improved.

The utility model discloses a degassing and drying system for modified plastic particles, and relates to the technical field of plastic particle processing equipment. The two treatment bins are communicated with the material suction box, first generating devices used for generating hot or cold airflow are arranged in the treatment bins, and steam generating devices used for generating high-temperature steam into the treatment bins are arranged outside the treatment bins; the two treatment bins are provided with the first transfer devices, and the first transfer devices are used for transferring the untreated modified plastic particles in the material suction box to the treatment bins; and the two treatment bins communicate with the storage bin, and a second transfer device used for transferring the modified plastic particles treated by the treatment bins to the storage bin is arranged on the storage bin. The degassing and drying system is used for reducing residues of low-volatility substances in the plastic modification process, continuous production can be achieved, it is guaranteed that the material drying time is stable, and volatility is reduced.

The invention relates to the technical field of lithium ion batteries, in particular to a low-residual-alkali lithium-rich manganese-based positive electrode material and a preparation method and application thereof. The preparation method of the low-residual alkali lithium-rich manganese-based positive electrode material comprises the following steps: uniformly mixing a lithium-rich manganese-based precursor with a lithium source to obtain mixed powder; carrying out three-stage sintering treatment on the mixed powder; wherein the temperature of the first-stage sintering treatment is 350-550 DEG C, the temperature of the second-stage sintering treatment is 650-700 DEG C, and the temperature of the third-stage sintering treatment is 850-950 DEG C. By gradually sintering and accurately controlling the sintering temperature, the residual alkaline impurities are fully decomposed or volatilized at high temperature, the internal stress and potential structural damage of the material can be reduced, and the crystal integrity and phase stability of the material can be maintained, so that the generation and accumulation of the alkaline impurities are effectively reduced, and the service life of the material is prolonged. And degradation of specific discharge capacity, rate capability and cycle performance and potential safety hazards caused by residual alkali are reduced.

The present application relates to the technical field of edible salt, and particularly relates to a green edible salt production process. Technical problems are as follows: the existing technology causes the caking problem of edible salt in the production, transportation, storage and use process due to the zero addition of anti-caking agent. A technical solution is as follows: a green edible salt production process comprises the following steps: A: secondary cooling of finished salt before packaging; the finished salt is sent into a secondary cooler after coming out of a self-made salt device dryer, and the temperature of the finished salt is reduced to close to room temperature through circulating desalted water; B: screening of the finished salt particles cooled in step A, and selection of the oversize material with relatively large particle size and not easy to caking; C: addition of iodine agent into the finished salt cooled and screened in step B; D: storage of the finished salt in step C for a period of time before packaging; E: packaging by using a packaging material with strong blocking property and good sealing performance.

The utility model discloses process equipment for preparing amorphous polyaryletherketone carbon fiber prepreg by a solution method, which comprises a microwave solvent removing device which comprises a solvent removing cavity and a plurality of groups of glue scraping rollers arranged in the solvent removing cavity, the multiple sets of glue scraping rollers are sequentially arranged in the solvent removing cavity in the conveying direction of the carbon fibers, and the height of the glue scraping roller close to an inlet of the solvent removing cavity in the vertical direction is larger than or equal to the height of the adjacent glue scraping roller close to an outlet of the solvent removing cavity in the vertical direction. A plurality of groups of glue scraping rollers are designed at the same time, so that the retention time of the prepreg in the microwave solvent removing device is controllable, a solvent is fully volatilized, the height of the glue scraping rollers in the vertical direction is limited, redundant resin on the prepreg flows and is enriched, certain pressure is applied through the glue scraping rollers, the redundant resin is removed, the resin content is controllable, and the resin content is improved. Meanwhile, the combination with fibers is tighter, and the quality of the prepreg is obviously improved.

The present invention discloses a wafer biscuit feeder for wafer ice cream processing, and relates to the field of feeding technology. The present invention includes a feeding assembly, which is composed of an impeller and an outer shell. A motor is provided on the outer wall of the outer shell, and the impeller is fixedly connected to the output end of the motor. A plurality of support plates are provided on the right side of the feeding assembly, and a motor is provided on the front of the support plate located on the left front side of the plurality of support plates. A plurality of rotating rods are rotatably installed on the vertical surface of the inner wall of the support plate. A reciprocating spiral groove is provided on the outer wall of the front end of the rotating rod close to the right side of the feeding assembly, and the front of the rotating rod is fixedly connected to the back of the output end of the motor. A roller is penetrated and fixedly installed on the outer wall of the rotating rod, and a conveyor belt is connected to the outer wall of the roller in a transmission manner. The present invention completes the rotation of the biscuits and reduces the conveying process in which the biscuits contact each other, reduces the collision phenomenon of the biscuits caused by manual intervention and biscuit stacking and conveying, avoids the fragmentation and shedding of the biscuit skin, and improves the integrity of the biscuits.

The invention discloses a temperature control method for processing graphite by using double plasma sources, and relates to the technical field of plasma material processing, in particular to a temperature control method for processing graphite by using double plasma sources, which comprises the following steps: adopting a cylindrical reactor, and arranging a plasma source I and a plasma source II up and down along the axial direction on two sides of the cylindrical reactor, and an outlet of the powder feeding mechanism directly faces a core high-temperature area of the plasma source I, so that graphite powder directly enters a heating area. The two sources are connected in series up and down to construct a continuous relay type high-temperature path. The center distance between the powder feeding port and the source I is limited not to exceed half of the outlet diameter of the reactor, the center distance between the two sources is 1-2.5 times of the outlet diameter, and the center distance between the source II and the outlet is larger than 5 times of the diameter; the flow of the second source is 1.2-1.8 times that of the first source, the temperature of the core area is maintained to be 8000-10000 K by adjusting the flow ratio, and the total power does not exceed 100 kilowatts. The total retention time of the graphite powder in a two-source high-temperature area is longer than 0.2 second, the diameter of an outlet of the reactor is 100-400 mm, the reactor is made of high-temperature-resistant stainless steel or graphite, and accurate control over the graphite treatment temperature is achieved.

The invention relates to the field of preparation of high polymer materials, in particular to a preparation method of ultra-high molecular weight polyethylene coarse denier fibers, and discloses a preparation method of ultra-high molecular weight polyethylene coarse denier fibers, which comprises the following steps: extruding a spinning solution through a spinneret plate to obtain gel yarns; cooling the gel yarn twice, preheating, drafting, oiling and rolling to obtain a precursor yarn; and performing multi-stage stretching on the protofilament to obtain the ultra-high molecular weight polyethylene coarse denier fiber. By means of the process of cooling twice and then preheating, the'skin-core 'structure of the fiber appears firstly and then is eliminated, so that a solvent in the gel silk is continuously separated out along with the preparation process, the situations of silk breakage and broken silk caused by the'skin-core' structure of the gel silk in the preparation process are avoided, and the solid gel silk with the'skin-core 'structure basically eliminated is obtained after cooling twice. Preheating to soften and melt the solid gel filaments to prepare stretchable gel filaments; and finally, the ultra-high molecular weight polyethylene coarse denier fiber with large filament number and good mechanical property is prepared.

This invention discloses a low-temperature vacuum distillation apparatus for synthesizing tert-butyl ester compounds, comprising: a distillate tank, made of transparent borosilicate glass, for holding the tert-butyl ester compound solution to be distilled. Its transparency allows operators to easily observe the state and level of the internal solution and monitor the distillation process. The invention also includes a vacuum pump that precisely adjusts the system pressure according to distillation requirements, achieving vacuum distillation. At lower pressures, the boiling point of the tert-butyl ester compounds decreases, allowing distillation at lower temperatures and avoiding the degradation of compound activity by high temperatures. This is particularly suitable for purifying heat-sensitive tert-butyl ester compounds, ensuring product quality and performance. A temperature sensor is installed in the water bath heating tank to monitor the water bath temperature in real time and feed the signal back to the control system of the heating panel for precise temperature control.

The present application discloses a methanol engine starting method, device, heating equipment and computer medium, and relates to the field of automobile technology. The methanol engine starting method of the present application is applied to a heating equipment, and the heating equipment heats the methanol engine connected to itself by igniting methanol fuel, and detects the methanol engine to obtain the first engine water temperature of the methanol engine, and determines whether the first engine water temperature is less than the first temperature threshold; if it is determined that the first engine water temperature is less than the first temperature threshold, the methanol engine is heated, and the methanol engine is detected to obtain the second engine water temperature of the methanol engine; when the second engine water temperature is greater than or equal to the second temperature threshold, the methanol engine is controlled to spray methanol fuel to complete the start. The use of the present application can enable the methanol engine to complete the start-up in a low temperature environment by relying only on methanol fuel.

The utility model relates to an efficient ventilation soil ecology restoration device which comprises a restoration box body, a ventilation assembly is arranged in the restoration box body, the ventilation assembly comprises an inner cylinder, an air blower, a hydraulic rod, an air duct and a filter box, the inner cylinder is fixed in the restoration box body, and a ventilation net is arranged on the outer wall of the bottom of the inner cylinder. The air blower is fixedly arranged on the outer wall of the repairing box body, the inner wall of the inner cylinder is sequentially and fixedly provided with a blocking base and a material distributing cone from top to bottom, and a discharging hole is formed in the center of the blocking base. The baffle can move to shield the discharging hole, intermittent discharging can be achieved, meanwhile, the baffle is used in cooperation with the material distribution cone, a thin layer of heated soil can fall down along the ventilation net and make contact with air blown by an air blower, harmful volatile pollutants in the heated soil can be fully volatilized and separated from the soil, and therefore the soil quality is improved. Efficient ventilation is achieved, and the soil ecological restoration effect can be better.

The utility model provides an ammonia-containing wastewater and ammonia-containing waste gas treatment system in a combined-soda process production process, and belongs to the technical field of wastewater treatment. Wherein the ammonia-containing waste gas is connected with the ammonia-containing waste gas collecting pipeline, the ammonia-containing waste water is connected with the ammonia-containing waste water collecting pool, the ammonia-containing waste gas collecting pipeline is connected with an inlet of the spraying tower, a liquid outlet of the spraying tower is connected with a water inlet of the ammonia-containing waste water collecting pool, and a water outlet of the ammonia-containing waste water collecting pool is connected with the first heat exchanger. The first heat exchanger is connected with the tower bottom heat exchanger, the tower bottom heat exchanger is connected with the ammonia still, the tower top of the ammonia still is connected with the cooling water source and the ammonia absorber, the ammonia absorber is connected with the mother liquor barrel, the tower bottom of the ammonia still is connected with the low-pressure steam source and the tower bottom heat exchanger, the tower bottom heat exchanger is connected with the second heat exchanger, and the second heat exchanger is connected with the recycling equipment. The utility model provides a system for treating ammonia-containing wastewater and ammonia-containing waste gas in the production process of a combined-soda process, which is used for effectively treating the ammonia-containing wastewater and the ammonia-containing waste gas to be discharged or recycled after reaching the standard.

The fumigating equipment comprises a fumigating barrel and a seat plate fixedly installed at the top of the fumigating barrel, a fumigating cavity is formed in the fumigating barrel, and a heater and a temperature controller are arranged on the bottom side of the interior of the fumigating cavity; a fumigation ventilation opening is further formed between the top of the fumigation barrel and the seat plate, the inner wall of the fumigation ventilation opening is fixedly sleeved with a supporting ring, and a ventilation mesh is placed on the supporting ring. Fumigation liquid and medicine are stirred through the stirring rod, the steam guide plate evenly swings back and forth, medicine components can be fully volatilized through the stirring function so that the fumigation treatment effect can be improved, meanwhile, fumigation hot gas can be more evenly delivered to the private parts of women through the steam guide plate swinging forwards and backwards, and the woman private parts can be more effectively treated. Therefore, the overall fumigation effect is improved, and finally, the overall fumigation effect can be ensured to be better.

This application relates to the field of flexible electronics technology, specifically to an ultrathin flexible electronic conductor material and its preparation method. The preparation method of the ultrathin flexible electronic conductor material is as follows: (1) adding conductive filler, dispersant and binder to deionized water, ultrasonically dispersing to obtain a conductive slurry, coating the conductive slurry on the surface of a flexible substrate layer, and drying and curing to obtain a flexible substrate layer with a conductive functional layer; (2) preparing a polyethylene terephthalate solution, coating the polyethylene terephthalate solution on the surface of the conductive functional layer, and curing to obtain the ultrathin flexible electronic conductor material. This ultrathin flexible electronic conductor material has low sheet resistance, high conductivity stability, excellent bending resistance and solvent resistance, and significantly improved tensile strength and elongation at break, exhibiting excellent mechanical properties, making it suitable for long-term reliable application of flexible electronic devices.

The invention discloses a numerical simulation method and system for soil thermal desorption treatment in a complex site, and relates to the technical field of data simulation, and the method specifically comprises the following steps: constructing a site three-dimensional model based on site working conditions, a soil structure and thermodynamic parameters; performing gridding processing on the site three-dimensional model to generate a preliminary grid model, and performing dynamic adjustment on the preliminary grid model regularly based on a preset index threshold to obtain a dynamic adaptive grid model; and carrying out numerical simulation calculation on the soil thermal desorption treatment process by utilizing the dynamic self-adaptive grid model, and storing a calculation result. According to the method, a numerical simulation method based on a dynamic adaptive grid technology is adopted, the grid density can be automatically adjusted, and the adaptability ensures that a higher grid resolution is achieved in an area with severe temperature change, so that the precision of simulation calculation is greatly improved, and the simulation accuracy is improved. And the simulation result is closer to the temperature distribution condition in the actual soil thermal desorption process.

The invention discloses a preparation method for coating one side of glass fabric with polytetrafluoroethylene by a vertical gluing machine, and belongs to the field of manufacturing of bonding sheets in copper-clad lamins.The preparation method comprises the steps that firstly, the glass fabric is installed on a rolling device, and tension is adjusted through a fabric storage mechanism; then, a vertical three-roller precise transfer coating system is used for quantitatively coating the PTFE slurry with the controlled viscosity in a constant-temperature glue storage tank on the cloth surface in a single face mode, and the non-coating face is synchronously gelatinized; the coated cloth enters a six-section type vertical drying oven to be subjected to stepped curing, pre-drying, high-temperature melting, crystallization curing and gradient cooling are conducted in sequence, the temperature of the high-temperature section reaches 380-385 DEG C, and a double-layer air curtain is arranged on the non-coated side for isolation; and finally, cooling to 50-80 DEG C, and rolling. The tension is controlled within the range of 5-15 N / cm through a sectional type vertical tension control system in the whole process. According to the method, single-face accurate coating is achieved, the problems of slurry waste, poor uniformity, many defects, unstable size and the like of a traditional horizontal process are solved, and the product performance is excellent.

This invention discloses a pressure calcination process for producing high-purity graphite, relating to the field of graphite production technology, including the following steps: S1, mixing graphite raw materials with a binder; S2, placing the graphite raw materials containing the binder into a mold on a placement platform, and then placing the placement platform and the mold together into a calcination furnace; This invention uses a designed flipping mechanism to drive the mold to flip, realizing the exchange of positions between the upper and lower layers of graphite raw materials, allowing the previously underheated bottom raw materials to directly receive infrared radiation from the resistance wire, eliminating temperature gradients, improving calcination uniformity, and simultaneously working with a transparent pressure plate to compact and flatten the graphite raw materials in the mold before and after flipping, ensuring uniform heating for more complete carbonization of the binder, resulting in consistent density of the green body, and promoting the full volatilization of impurities in various areas of the raw materials, laying the foundation for subsequent graphitization, and improving the purity and quality stability of high-purity graphite products.

The invention discloses a high-low voltage switch cabinet with an automatic monitoring function, and relates to the technical field of switch cabinets. The device comprises a device body, an information module is arranged in the device body and communicates with an intelligent APP, multifunctional monitoring assemblies are arranged on the left side and the right side of the information module, a breathable plate is fixedly installed in the device body, an electric telescopic column is fixedly installed at the top of the breathable plate, and the telescopic end of the electric telescopic column penetrates through the top of the device body. Symmetrical plates are fixedly installed at the tops of the telescopic ends of the electric telescopic columns, the bottoms of the left and right sides of the symmetrical plates are hinged to the edge of the top of the device body, and short-circuit prevention devices used for preventing water vapor from being difficult to discharge and affecting a power transmission line are arranged on the outer sides of the electric telescopic columns. The inclined angles of the inclined planes of the symmetrical plates are enlarged, the downstream speed of acid rain is accelerated, discharge of the acid rain is further accelerated through the water guide grooves, and the phenomenon that the outer wall of the device body is eroded by the acid rain and damaged is avoided.

The invention discloses a rough-surface SiC / C nano-composite fiber and a preparation method and application thereof.Soluble precursor PCS and polymer PVP are used as initial materials, tetrahydrofuran and N, N-dimethylformamide are used as solvents, zinc acetylacetonate is used as an additive, and the rough-surface SiC / C nano-composite fiber is prepared. The SiC / C nanofibers with rough surfaces and good electromagnetic wave absorption performance are prepared through electrostatic spinning and high-temperature pyrolysis. The addition of zinc acetylacetonate not only effectively improves the structural stability of SiC / C, but also effectively widens the effective absorption width of the composite fiber due to the design of the surface rough structure. The process is simple, and the prepared fiber has good one-dimensional morphology and shows excellent electromagnetic wave absorption performance.

The utility model provides a cupboard with a disinfection function, which relates to the technical field of cupboards, and comprises a cupboard body, a plurality of partition plates are arranged in the cupboard body, a plurality of cupboard doors are arranged at the front end of the cupboard body, a disinfection mechanism is arranged between the partition plates and the cupboard body, the disinfection mechanism comprises a movable groove, and the movable groove is arranged in the cupboard body. The movable grooves are formed in the two ends of the interior of the partition plate in a penetrating mode correspondingly. The disinfection mechanism is arranged in the cabinet body, the fan runs to enable gas in the cabinet body to flow, and meanwhile, the gas pushes the fins to drive the rotating drum to rotate, so that the rotating drum drives the storage drum to rotate, and the deodorization block, the sterilization block, the drying block and the disinsection block in the storage drum are promoted to be fully volatilized and absorbed; bacteria can be effectively killed, peculiar smell can be removed, air can be dried, insect pests can be prevented, the sanitary environment in the cabinet can be comprehensively guaranteed, and the quality and the service life of stored articles can be guaranteed.

The invention discloses a rapeseed oil production feeding structure based on rapeseed oil preparation data and a method thereof, and relates to the technical field of rapeseed oil production. The device comprises a device body, a funnel is arranged at the top of the device body, a fine material box is arranged at the bottom of the device body, electric telescopic rods are symmetrically and fixedly installed at the bottom of the inner wall of the fine material box, a bearing plate is arranged at the tops of the telescopic ends of the electric telescopic rods, and a coarse material box is arranged at the edge of the top of the fine material box and communicates with the interior of the device body; a control assembly is arranged on the left side of the fine material box. An anti-mixing device is arranged in the device main body, and an anti-adhesion device is arranged above the anti-mixing device. The movement range of the blower gun assembly is enlarged, dirt raised for the second time is absorbed in time, the overall cleanliness of rapeseeds is guaranteed, it is avoided that the dirt attached to the surfaces of the rapeseeds contains harmful substances such as heavy metal, and the edible safety of oil products is prevented from being reduced.

The utility model discloses a device for thermal desorption of petroleum hydrocarbon contaminated soil, which comprises a conveying bracket A. The end part of the conveying bracket A is provided with a closed conveying box A for conveying the petroleum hydrocarbon contaminated soil in a negative-pressure closed space for thermal desorption; the bottom of the conveying tail end of the closed conveying box A is provided with a closed conveying box B which forms step conveying with the closed conveying box A. A high-temperature air pipe used for conducting thermal desorption on petroleum hydrocarbon contaminated soil conveyed in the closed space is arranged on the closed conveying box A and the closed conveying box B in a penetrating mode. According to the utility model, the stepped closed conveying boxes A and B are matched with the straight chain conveying line, so that stepped thermal desorption conveying of soil is realized, and the retention time of the soil in the device is prolonged. Meanwhile, the Z-shaped high-temperature gas pipe is matched with the horn-shaped gas outlet pipe and the gas heater, so that hot gas is in all-dimensional and uniform contact with the soil, petroleum hydrocarbon pollutants in the soil are ensured to be fully volatilized or decomposed, and the thermal desorption efficiency and effect are remarkably improved.

The utility model discloses an organic fertilizer fermentation aeration device, which belongs to the technical field of organic fertilizer processing, and comprises an aeration tank, the upper surface of the aeration tank is provided with an annular chute, the inner wall of the annular chute is connected with a sliding block in a sliding manner, and the upper surface of the sliding block is fixedly connected with a positive and negative motor. According to the organic fertilizer fermentation aeration device, the sealing cover, the rotating motor, the sealing bearing, the aeration frames, the rotating wheels and the belt are arranged, rotation of the rotating motor is utilized, and the rotating wheels are in transmission connection through the belt, so that the two aeration frames can be conveniently driven to turn over excrement, and gas in the excrement is fully volatilized; the inner wall of the aeration tank can be cleaned while the special-shaped cleaning scraping plate and the aeration frame are conveniently driven to rotate for aeration in cooperation with an annular sliding groove, a sliding block, a forward and reverse motor, a gear and an annular toothed plate by utilizing rotation of the forward and reverse motor and combining meshing of the gear and the annular toothed plate and sliding connection of the sliding block and the annular sliding groove.

The invention provides a pre-infiltration method for a lithium battery, which comprises the following steps of: injecting a pre-infiltration compound into a battery cell of the lithium battery, and sealing and standing, so that the battery cell is fully infiltrated by the pre-infiltration compound; injecting an electrolyte into the battery cell subjected to standing, and aging; and exhausting the aged battery cell so as to discharge the pre-impregnating compound. Compared with a traditional method, the pre-infiltration method can improve the production efficiency and the yield, reduce the negative influence on the electrical performance and improve the capacity exertion, the rate capability and the like of the battery, and is particularly suitable for high-specific-energy batteries and semi-solid batteries.

The invention discloses a perovskite solar cell and a preparation method thereof, and a photovoltaic module. The preparation method of the perovskite solar cell comprises the following steps: providing a perovskite cell substrate; the method for preparing the electrode on the perovskite cell substrate comprises the following steps of: printing electrode slurry on the perovskite cell substrate to form an electrode slurry layer with a grid line pattern; and selectively scanning the area where the grid line pattern is located by adopting first laser with the energy density of 0.05 J / cm < 2 >-0.8 J / cm < 2 > to obtain the electrode. According to the application, the compatibility between the metallized electrode preparation process and the temperature-sensitive perovskite layer can be effectively improved, so that the thermal influence on the perovskite layer is reduced while the electrode quality is improved, and finally the photoelectric conversion efficiency of the solar cell is effectively improved.

The utility model relates to the technical field of planting, and discloses a planting land soil loosening and crushing composite device which comprises a crushing assembly, the crushing assembly is used for crushing soil and comprises a base, transmission wheels, a plough block, a soil covering block and a soil pressing block, the transmission wheels are symmetrically arranged on the base and rotationally connected with the base, and the plough block is arranged on the base. The plough block array is arranged on the base, the soil covering block array is arranged on the base, the soil pressing block and the soil covering block are lifted in a sliding mode, the soil pressing block extrudes and crushes the soil blocks in the lifting process, and it is avoided that the turned soil blocks are hardened, and subsequent covering and air permeability of wheat seeds are affected; quantitative fertilizer is discharged through the bottom of the discharging barrel, the fertilizer is applied to the turned soil, the soil fertility is improved, the device is driven through components in the moving and driving device, and smashing of soil blocks and application of the fertilizer are completed in the driving process.

This invention discloses a method for preparing zero-trans-fatty acid vegetable fat powder, comprising the following steps: (1) dissolving dipotassium hydrogen phosphate and fructooligosaccharides in purified water, adding resistant dextrin and konjac gum, and mixing to obtain an aqueous phase mixture; (2) sequentially adding sodium caseinate, glyceryl monostearate, whole milk powder, and milk fat to the aqueous phase mixture and mixing to obtain an emulsified mixture; (3) adding edible silica to the emulsified mixture and mixing, then gradually homogenizing under increased pressure and spray drying to obtain zero-trans-fatty acid vegetable fat powder. The zero-trans-fatty acid vegetable fat powder prepared by this invention has excellent emulsifying and dispersing properties, and its taste is more delicate, mild, and refreshing.

The invention discloses thermal desorption equipment for organic matter contaminated soil, and belongs to the technical field of soil remediation treatment, and the thermal desorption equipment is technically characterized by comprising an equipment body, the soil temperature can be increased through an arranged pretreatment mechanism, meanwhile, uniform transfer of heat in the thermal desorption process is facilitated, and falling soil can be crushed; by arranging the continuous material turning and thermal desorption mechanism, continuous material turning and thermal desorption treatment on the soil can be correspondingly achieved, the thermal efficiency of the whole thermal desorption process is improved, volatile pollutants can be diffused from the interior of the soil to the exterior of the soil, and the removal effect is improved; the cooling and temperature reduction treatment on output soil is realized through the arranged cooling and discharging mechanism, and the damage of high temperature to binding force among soil particles can be reduced through timely cooling and temperature reduction, so that the recovery and maintenance of a soil structure are facilitated, and favorable conditions are provided for subsequent soil reutilization; the device has the advantages of good pretreatment and thermal desorption effects and convenience in cooling treatment.