29 results about "Cryogenic grinding" patented technology

This utility model discloses a pulverizing and grinding device for the production of ester raw materials, including a main support unit, a ball mill at the top of the main support unit, a secondary pulverizing device on one side of the main support unit, a material collection unit at the top feed end of the secondary pulverizing device, and the discharge end of the ball mill above the material collection unit, allowing the discharge from the ball mill to enter the material collection unit. Air nozzles and air outlets are provided on both side walls of the secondary pulverizing device, and sealed conveying units are provided at both the top feed end and the bottom discharge end of the secondary pulverizing device. This utility model addresses the problems of localized temperature rise in existing grinding equipment leading to thermal decomposition of ester raw materials and insufficient grinding precision. It employs multi-stage pulverization, coarsely pulverizing followed by ultrafine grinding, reducing the energy consumption of a single device. Furthermore, a low-temperature medium is introduced during the fine grinding process for cryogenic pulverization or low-temperature grinding, inhibiting the thermal degradation of esters, thus meeting the high standards required in the food, pharmaceutical, and other fields.

The invention provides a veratrone production raw material low-temperature grinding device, and relates to the technical field of raw material grinding water pumps, the veratrone production raw material low-temperature grinding device comprises a shell assembly, a cooling assembly and a discharging assembly, the shell assembly comprises a box body and a conical cylinder, a feeding assembly is installed on one side of the conical cylinder, and the feeding assembly comprises a hopper and a discharging valve; the low-temperature grinding device comprises a box body, a grinding assembly is installed on the inner side of the box body, the grinding assembly comprises an upper roller and a lower roller, a material guiding assembly is installed on the upper roller, the material guiding assembly comprises a funnel and a connecting rod, and a driving assembly is installed on the inner side of the box body. According to the low-temperature grinding device for the veratrone production raw materials, the veratrone does not have enough speed to penetrate through the gap between the adjacent rotary blades to flow to the inner side of the air pipe, so that the veratrone is downwards knocked down to the bottom of the conical barrel by the rotary blades, the ground raw materials are quickly screened, the safe grinding work of the raw materials is guaranteed, and the low-temperature grinding device is suitable for low-temperature grinding of the veratrone production raw materials.

The invention relates to a process for producing Fe-Cr-Ni austenitic steel reinforced by an oxide dispersion, said process comprising the following steps: a) supplying (100) Fe-Cr-Ni austenitic steel powder; b) carrying out (200) a grinding, called cryogenic grinding, of the Fe-Cr-Ni austenitic steel powder at a temperature between -50°C and -196°C; c) supplying (300) an oxide powder; d) carrying out (400) a co-grinding of the Fe-Cr-Ni austenitic steel powder with the oxide powder thus supplied to obtain Fe-Cr-Ni austenitic steel powder reinforced by an oxide dispersion; and e) producing (500) the Fe-Cr-Ni austenitic steel reinforced by an oxide dispersion from the powder thus produced. Figure for the summary: Figure 1

The present application relates to the technical field of dielectric ceramic powder preparation, and particularly relates to a multilayer ceramic capacitor and a method for preparing high-performance nano-barium titanate powder used for the multilayer ceramic capacitor, the method comprising the following steps: high-purity titanium hydroxide precursor and solid-state barium source are mixed under the condition of deep cold medium at low temperature, so as to form an amorphous composite precursor with high reactivity, and finally, the nano-barium titanate powder is generated through a hydrothermal synthesis reaction. The present application realizes the forced mixing of the titanium hydroxide precursor and the solid-state barium source at the solid state through the low-temperature cryogenic grinding, so as to physically ensure that the Ba / Ti ratio is highly consistent in each micro area, and the problem of the out-of-control stoichiometric ratio is solved from the source. Meanwhile, the high activation of the precursor shortens the hydrothermal reaction time, greatly reduces the calcination temperature, effectively inhibits the abnormal growth of the crystal grains, and makes the product particle size distribution narrower and the performance better.

The invention belongs to the technical field of food processing, and discloses a deep processing method and application of tenebrio molitor, and the deep processing method comprises the following steps: step 1, pretreatment; step 2, screening and cleaning in the body; step 3, cleaning and drying; step 4, stir-frying and processing; step 5, screening and removing; 6, low-temperature grinding; and step 7, mixing and packaging. Through whole-process standardized management and control, raw materials and finished products are controlled layer by layer, the quality consistency of deep processing products of the tenebrio molitor is guaranteed, and the method is suitable for being applied to multiple fields of food, feed and the like; an in-vivo cleaning and environment regulation technology is adopted, so that raw material impurities and metabolic residues are remarkably reduced, and the product safety is improved; the processes of segmented frying, two-stage grinding and the like are adopted, so that the taste and the material fineness are optimized, and the high-added-value application is expanded; nitrogen-filled packaging, barrier materials and multiple detection are adopted, the shelf life of products is prolonged, the quality risk is reduced, the market circulation stability is enhanced, the follow-up impurity treatment cost is reduced through directional cleaning and a segmented process, and actual application and operation are facilitated.

The application belongs to the field of food processing, and discloses a low-temperature grinding device for whole grains and food and a production process. The material of the upper grinding disc is silicon nitride, the material of the lower grinding disc is silicon carbide, the bottom surface of the upper grinding disc is a concave inverted cone shape, the top surface of the lower grinding disc is a concave inverted cone shape, the bottom surface of the upper grinding disc cooperates with the top surface of the lower grinding disc, the top surface of the upper grinding disc is provided with an upper grinding disc water channel, a water outlet and a water inlet are arranged on the upper grinding disc shell, and the water outlet and the water inlet are both in communication with the inside of the upper grinding disc water channel. A plurality of upper grinding disc grooves are arranged on the bottom surface of the upper grinding disc. Through the device, the upper grinding disc and the lower grinding disc can be cooled during the grinding process, and vitamins can be preserved during the grinding process, so that the flavor and nutrition of the flour are improved.

The present invention provides a kind of polyamide powder coating for electrostatic spraying.The powder coating is obtained by cryogenic grinding of a polyamide resin, which contains a large number of terminal hydroxyl groups that are easily polarized during electrostatic spraying.The polyamide powder coating has excellent powder coating rate, and the coating thickness formed by a single spraying through the electrostatic spraying process can reach more than 150 microns.

This utility model discloses a low-temperature grinding and cooling structure for a coffee machine, relating to the field of coffee machine grinding and cooling technology. It includes a machine body, a heat dissipation ring adhered to the outside of the grinding chamber, a liquid storage pipe fixedly installed on the outside of the heat dissipation ring, heat absorption plates fixedly installed at both ends of the liquid storage pipe, and a fan fixedly installed on the side of the heat absorption plate by bolts. This utility model, through a grinding and cooling mechanism with better cooling effect, includes a grinding chamber inside the coffee machine, with the heat dissipation ring tightly attached to the outside of the grinding chamber. Multiple heat dissipation rods are embedded inside the heat dissipation ring, all connected to a heat collection plate at the lower end. The heat dissipation ring is made of copper sheet, which can effectively absorb heat. A fan is installed on the side of the heat dissipation plate to continuously dissipate heat, keeping the temperature of the liquid inside the liquid storage pipe low and continuously absorbing heat dissipated from the grinding chamber. A hollow heat absorption rod is installed inside the top storage chamber to continuously cool the coffee beans, reducing the temperature generated during grinding.

The invention discloses a self-adaptive temperature control white pepper low-temperature grinding system and method, and the system comprises a data collection module which collects the humidity, the initial granularity and the grinding environment reference temperature of white pepper to be ground, and generates and reduces the noise of a material initial data set; the electrostatic preprocessing module receives the data and removes static electricity of the primarily screened white pepper according to humidity; the low-temperature grinding module receives the pretreated materials, grinds the pretreated materials at low temperature and synchronously collects real-time granularity, cavity temperature fluctuation and flavor substance volatilization amount; the temperature control analysis module performs coupling analysis on the data, determines a temperature deviation range and corrects a temperature adjustment coefficient; and the self-adaptive execution module adjusts the cavity temperature and the grinding rotating speed to finish low-temperature grinding of the white pepper. Through cooperation of multiple modules, accurate acquisition and processing of initial data of materials, static elimination and combination of real-time grinding data coupling analysis and self-adaptive temperature and speed regulation, the grinding process can be effectively controlled, it is ensured that the grinding granularity reaches the standard, and the grinding quality is improved.

The utility model relates to the technical field of pyraclostrobin suspending agent grinding, and discloses a pyraclostrobin suspending agent low-temperature grinding device which comprises a retaining liquid storage chamber, a device box, a grinding assembly and a sealing cover, cooling medium liquid is filled in the retaining liquid storage chamber, the upper edge of the device box is detachably connected to the upper edge of the retaining liquid storage chamber, and the sealing cover is arranged on the device box. The device box is limited in the holding liquid storage chamber, supporting holes are formed in the inner wall of the device box, and the grinding assembly is detachably connected into the device box through the supporting holes. The grinding assembly comprises a bearing box and a connecting cover, a connecting column is fixed to the outer wall of the bearing box, and the other end of the connecting column can be limited in the supporting hole. The grinding ball is placed in the bearing box, the bearing box is of a hollow structure, the connecting cover is detachably connected to the top of the bearing box, the device box is arranged in the holding liquid storage chamber, the grinding assembly is installed in the device box, the device is placed into a three-dimensional vibration ball mill to be vibrated, the grinding ball can shake in the grinding assembly, and therefore low-temperature grinding treatment is completed.

Disclosed are nanostructured materials, devices, systems and methods of their fabrication using cryogenic milling techniques. In some embodiments in accordance with the disclosed technology, a cryogenic milling method for fabricating electrode materials for batteries is described, which can be used to fabricate high volumetric / gravimetric capacity SnSb—C (tin-antimony with carbon) anode material and other alloy / intermetallic type carbon composite battery anode materials for lithium-ion batteries with significantly improved battery energy density and cycle life.

The utility model is applicable to the technical field of grinding equipment, and provides color master batch low-temperature grinding production equipment, which comprises a spare box, a fixing frame, a guide pipe, a refrigerating machine, a hopper, a feeding pipe and a discharging disc, and further comprises a grinding mechanism, an adjusting mechanism and a pressing mechanism, and the pressing mechanism is mounted in the guide pipe. According to the low-temperature grinding production equipment for the color master batches, the grinding mechanism is matched with the pressing mechanism, the guide pipe, the feeding pipe and the hopper, so that the color master batches can be continuously ground, and the adjusting mechanism is matched with the fixing frame, so that the production efficiency is improved according to actual production requirements. And the grinding space between the guiding and conveying pipe and the grinding mechanism is rapidly and effectively changed, and then the grinding granularity of the color master batch is rapidly adjusted in time, so that the grinding efficiency and the grinding quality of the equipment can be improved, and the flexibility, the practicability and the convenience of the equipment can also be enhanced.

The present invention relates to a composition and a method for cryogenic grinding of tissue and, more specifically, to a composition and a method for cryogenic grinding of tissue, wherein the composition is applicable to both hard tissue and soft tissue and causes minimal damage to an extracellular matrix by comprising biologically derived tissue and a solid crystalline granular material which is used by being mixed with the biologically derived tissue during cryogenic grinding of the biologically derived tissue and is capable of decellularizing the tissue.

The invention relates to the technical field of material science and environmental engineering, in particular to a preparation method of polyaluminum chloride for treatment. According to the method, the aluminum-lithium-rich biological activation solution is prepared by cryogenic crushing of the waste aluminum-lithium alloy through liquid nitrogen, a light-operated piezoelectric biological precursor is constructed in combination with piezoelectric barium titanate nanowires, a genetic engineering bacterial agent and photosensitive channel protein, and the product is endowed with multiple physical field response capability by further utilizing an acousto-optic coupling reaction and magneto-optic-acoustic response gel technology. Through the synergistic effect of the dynamic covalent hydrogel and the mussel mucin, the self-repairing function is realized. Finally, high-purity and high-stability polyaluminum chloride is formed through biomimetic mineralization packaging. According to the invention, the limitation of single function of the traditional flocculant is broken through, so that the product has the characteristics of efficient water purification, intelligent response, self-repairing capability and environmental friendliness, the adsorption efficiency is remarkably improved, the service life is remarkably prolonged, and the flocculant is suitable for scenes of complex water purification, industrial wastewater treatment, intelligent water treatment systems and the like.

A cryogenic grinding system, method, and apparatus for processing a sample. The system includes a cryogen source, a containment vessel for containing the sample and the cryogen, a blade for grinding the sample, and a controller. The controller controls at least one of: a quantity of cryogen introduced into the container; a grinding duration of the at least one blade; or a grinding speed of the at least one blade based on at least one of: a user input via a grinding system input, a mass of the sample placed in the containment vessel; or a temperature within the containment vessel.

A method for the cryogenic grinding of at least one powder comprising the following steps: (a) introducing a cryogenic fluid into an attrition mill comprising attrition means, (b) introducing the powder or powders into the attrition mill, and (c) setting the attrition mill in rotational motion, and wherein—the ratio VMA / (VMA+VFC) of the volume of the attrition means VMA to the sum of the volume of the attrition means VMA and the volume of the cryogenic fluid VFC is comprised between 0.2 and 0.8, and the rotational speed of the attrition mill during step (c) is between 100 rpm and 20,000 rpm. Further, particles of metal or metal alloy, to the use thereof, to a coating method employing them and to the use of such a coated material.

This invention discloses a method for producing copper-aluminum alloys. The method involves a grinding stage to remove oxide layers from the ingot surface, followed by pulse annealing to eliminate processing stress. Simultaneously, the electron wind effect of the pulsed current promotes atomic diffusion without causing grain growth. Next, cryogenic grinding refines the surface grains, creating a gradient strengthening effect and introducing deep compressive stress. Finally, multi-stage annealing controls the precipitated phases and eliminates cryogenic grinding stress. The annealing stages include: the first stage initially releases grinding stress; the second stage completely eliminates macroscopic tensile stress generated by grinding; the third stage is a recrystallization process to strengthen the matrix; and the fourth and fifth stages are slow cooling stages to avoid thermal stress caused by rapid cooling, promote the orderly transformation of precipitated phases, stabilize the crystal lattice, and improve stability.

The invention relates to the technical field of soil organic carbon extraction, in particular to a graded extraction and matrix purification method for soil organic carbon in a wind erosion product, which comprises the steps of sample pretreatment, graded extraction, multi-stage matrix purification, freeze concentration and collection, and post-treatment. The invention provides a soil organic carbon graded extraction and matrix purification method which is high in adaptability with wind erosion products, high in extraction efficiency and high in extraction purity. The combined technology of gradient screening, low-temperature grinding and density liquid pre-separation is adopted, and the characteristics that a wind erosion product has many sand grains and organic carbon is prone to oxidation loss are precisely adapted; an active-semi-active-stable three-stage extraction system is constructed, so that the extraction efficiency of organic carbon is improved, and the detection requirements of carbon cycle research in a wind erosion region on different active organic carbon components are met; and in multi-stage matrix purification, step-by-step removal of sand grains, metal ions and salt residues is realized, the purity of an extracting solution is remarkably improved, and the method has a wide application prospect.

The invention discloses a low-temperature wall-breaking cold-pressing refining method and system for xanthoceras sorbifolia bunge seed oil, and belongs to the technical field of vegetable oil processing. The method comprises the steps of raw material pretreatment, pre-cooling transition, conventional low-temperature wall breaking, low-temperature temperature returning, low-temperature grinding, low-temperature segmented squeezing, simple oil-water separation and post-treatment. The method is characterized in that a 5-10 DEG C pre-cooling transition procedure is added to solve the problem of moisture condensation; the grinding machine and the squeezer are both provided with water circulation cooling devices, the temperature of a grinding cavity is kept at 20-30 DEG C, the temperature of a squeezing chamber is kept at 40-45 DEG C, and active ingredients are prevented from being damaged due to temperature rise; and the whole process is controlled at 50 DEG C or less, and the temperature is controlled at 50 DEG C or less. According to the method, cryogenic equipment and a plasma wall breaking technology are not needed, operation is easy and convenient, production is efficient, the oil yield is increased by 30%-35% compared with traditional cold pressing, the retention rate of active ingredients such as linoleic acid and vitamin E in the xanthoceras sorbifolia bunge seed oil is larger than or equal to 90%, and the grease is pure in natural flavor, low in production cost and suitable for large-scale production and multipurpose requirements.

The application discloses a high-dielectric composite material and a preparation method thereof, and belongs to the technical field of composite materials. The preparation method comprises the following steps: mixing and grinding dielectric ceramic powder and polymer particles at a temperature of-200 DEG C to-100 DEG C, so that the dielectric ceramic powder is coated on the surface of the polymer particles or dispersed between the polymer particles, and a premix is obtained; and the premix is subjected to hot-pressing treatment, and a high-dielectric composite material with an isolation structure is obtained. The polymer-based composite material with the isolation structure is obtained through the preparation steps of low-temperature grinding mixing and hot-pressing, the isolation structure makes the dielectric ceramic powder regularly and continuously enriched in the composite material matrix, the dielectric constant of the composite material can be greatly improved, the preparation method is simple in process, low in cost and pollution-free.

The invention relates to selenium-enriched peanut protein powder and a production process thereof, and belongs to the technical field of food processing. The process comprises the following steps: a, screening and pretreating raw materials; b, crushing at low temperature; c, performing ultrahigh-pressure auxiliary degreasing; d, desolventizing the cake meal; e, performing ultrasonic-enzymolysis synergistic deodorization; f, gradient mild alkaline extraction; g, precise acid precipitation; h, washing and freeze-drying; i, superfine grinding; and j, nitrogen-filled packaging. According to the production process of the selenium-rich peanut protein powder, the four core technologies of low-temperature control and protection, ultrahigh-pressure auxiliary degreasing, ultrasonic-enzymolysis synergistic deodorization and gradient mild alkali extraction have a synergistic effect; the core problems that in a traditional production process, due to high-temperature processing, the organic selenium loss rate is high, protein denaturation is serious, due to incomplete fishy smell removal, the product has obvious beany flavor, and the eating experience is affected are solved in a targeted mode, and the technical breakthrough that the organic selenium retention rate is increased to 90% or above, the protein emulsifying activity index is larger than or equal to 85 m / g, and no peculiar smell exists is achieved.

This invention relates to the field of low-temperature dry desulfurization technology, and discloses a combined desulfurizing agent for dry quenching coke and its preparation method, solving the technical problems of low desulfurization efficiency and poor reactivity of existing calcium-based desulfurizing agents under low-temperature and low-humidity flue gas conditions in dry quenching coke. The preparation method includes: activation treatment of calcium carbide slag to prepare calcium-based raw materials, and low-temperature cryogenic grinding and compounding of the components. The desulfurizing agent is composed of calcium-based raw materials, oxidant, and hygroscopic agent in a mass ratio of 1:0.05~0.5:0.01~0.1; the calcium-based raw materials are obtained from calcium carbide slag through screening, crushing, activation, and drying; the oxidant is one or more of sodium peroxide, potassium peroxide, calcium peroxide, and sodium percarbonate; and the hygroscopic agent is one or more of potassium aluminum sulfate dodecahydrate, sodium sulfate decahydrate, and magnesium sulfate heptahydrate. The desulfurizing agent achieves a synergistic effect of "oxidation-moisture absorption-desulfurization", without the need for additional humidification and heating. It is suitable for flue gas conditions of dry quenching coke at 40~100℃ and humidity ≤2%, with high desulfurization efficiency. Furthermore, it utilizes carbide slag to realize the resource utilization of industrial waste residue, resulting in low preparation cost.

The utility model discloses a kind of frozen grinding devices, belong to grinding equipment technical field.The utility model solves the problem of easy to introduce impurities, more liquid nitrogen consumption in the prior art using open grinding bowl grinding exists.The utility model includes grinding stick, bowl body and bowl cover, the through-hole for grinding stick is passed through and is arranged on the bowl cover;The grinding stick includes grinding head and grinding rod, the through slot is arranged on the grinding rod, the through slot extends to the connecting place of grinding rod and grinding head, and the area of the grinding rod in bowl body is provided with discharge hole, and the discharge hole is communicated with the through slot.The utility model is provided with the through slot on the grinding stick, liquid nitrogen can be injected in the through slot, liquid nitrogen in the through slot is gradually discharged into bowl body from discharge hole in the process of grinding, that is, liquid nitrogen is gradually added, opening bowl cover to add liquid nitrogen is avoided, it is simple to operate, not easy to introduce impurities and ensure grinding effect, effectively improve grinding efficiency.

The utility model relates to a plant extraction cell nucleus device with grinding function, including the cylinder, the outside of cylinder is provided with low temperature grinding structure, low temperature grinding structure includes drive motor, the top fixed mounting of cover plate has drive motor, the inner top wall rotation of cover plate is connected with the rotating rod, the bottom swing joint of rotating rod has the connecting sleeve, the inner top wall fixed mounting of connecting sleeve has spring body. The plant extraction cell nucleus device with grinding function, through fixed structure fixes the device on the table, then can according to actual grinding demand to connecting sleeve and grinding block is replaced, replaces the suitable size, puts the raw material in the inside of cylinder and carries out the grinding procedure, simultaneously through semiconductor refrigerator cooperation thermometer observation cylinder's internal temperature, and carries out the refrigeration procedure, ensures that the raw material is in the suitable temperature and carries out the grinding in the grinding process.

This invention discloses an antibacterial modified can material and its preparation method, relating to the field of polymer packaging materials technology. The material comprises 100 parts of a matrix resin, 0.5-4.0 parts of stearoyl ε-polylysine, 0.5-3.5 parts of N-oleoylsarcosine, 0.3-3.0 parts of resveratrol, 0.2-2.5 parts of sodium dodecyl sulfonate, 0.3-3.0 parts of rosin acid, 1.0-5.0 parts of compatibilizer, and 0.1-0.5 parts of antioxidant. The preparation method includes low-temperature cryogenic grinding, solvent exchange pre-compounding, co-precipitation pre-compounding, co-grinding compounding, supercritical CO2-assisted melt blending, and gradient cooling dynamic pressure injection molding. The can material obtained by this invention possesses highly efficient and durable antibacterial properties, with no risk of antibacterial agent leaching, excellent mechanical properties, and is suitable for PP and PCTA matrices, and can be used in cosmetic packaging cans and other fields.

The utility model relates to a temperature-controllable grinding machine which comprises a machine frame, a transmission assembly, a heat exchanger, a diaphragm pump, a grinding cylinder, a temperature transmission, a diaphragm pump base, a feeding pipe, a discharging pipe, a heat exchange pipeline, a machine base and a mold temperature controller, the machine frame is fixed on the machine base, the heat exchanger is fixed on the machine frame, the grinding cylinder is fixed above the heat exchanger on the machine frame, and the temperature transmission is fixed on the machine frame. The transmission assembly is arranged at the top of the rack, the diaphragm pump base and the machine base are arranged in parallel, the diaphragm pump is fixed to the diaphragm pump base, the diaphragm pump, the heat exchanger and the grinding cylinder are sequentially connected through a feeding pipe, and the grinding cylinder, the heat exchanger and the diaphragm pump are sequentially connected through a discharging pipe to form a circulating closed loop. The mold temperature controller is sequentially communicated with the heat exchanger and the grinding cylinder through the heat exchange pipeline to form heat exchange circulation, can be simultaneously connected into an oil bath system and a cooling water system, can realize temperature-controlled grinding from-20 DEG C to 120 DEG C, is wide in temperature adjustment range, and overcomes the defect that only low-temperature grinding or high-temperature grinding can be carried out at present.

The utility model belongs to the technical field of sesame oil production equipment, and particularly relates to a low-temperature grinding machine for stone-milled sesame oil production. A lower grinding disc is arranged at the top end of the workbench; an upper millstone is arranged at the top end of the lower millstone; first connecting rods are symmetrically and fixedly connected to the top end of the upper grinding disc; the side wall of the first connecting rod is fixedly connected with a storage barrel; a cover body is arranged at the top end of the storage barrel; through the arrangement of the heating rod structure, the design is simple and convenient to operate, and the surfaces of sesame can be dried before the low-temperature grinding machine grinds, so that unsmooth feeding caused by high adhesion of wet sesame during feeding can be reduced, smooth and stable feeding is guaranteed, the grinding efficiency is maintained, and meanwhile, the working efficiency is improved. Drying can reduce the risk of microorganism breeding, reduce microbial metabolism and accelerate grease oxidation, low-temperature grinding is facilitated, the nutrition and flavor of the sesame are better reserved, the quality of the stone-milled sesame oil is further improved, and the processing quality is improved.

The application discloses a pesticide composition containing silicon abundant ring and prochloraz, a preparation method and application thereof, and belongs to the technical field of pesticide compounding.The chemical fungicide prochloraz and the plant growth regulator silicon abundant ring are scientifically compounded through specific proportioning and a process to obtain the pesticide composition, and the pesticide composition has the dual functions of repairing damage and providing protection.The pesticide composition can promote physiological recovery and prevent secondary diseases simultaneously after crops suffer from adversity such as fertilizer injury, drug injury, cold injury and the like, solves the management problem that the repair period and the disease risk period overlap, and realizes the synergistic effect of "1+1>2".The application adopts a "low-temperature grinding" and "partial original drug post-adding" process, effectively solves the degradation problem of high-content, heat-sensitive active ingredients in the grinding process, the product has high heat storage suspension rate, low effective ingredient degradation rate, excellent physical and chemical stability, and a long shelf life.