53 results about "Cement cure" patented technology

The invention discloses an ardealite-based flow-state self-compacting roadbed filling material as well as a preparation method and a construction method thereof. The roadbed filling material comprises the following components in percentage by mass: 20-30% of modified ardealite, 15-25% of modified solid waste micro powder, 20-60% of a cement curing agent and 0.5-1.2% of a thickening time control agent, the modified ardealite is obtained by calcining solid waste ardealite at 600-800 DEG C for 2-4 hours; the modified solid waste micro powder is obtained by mixing and grinding slag and steel slag. The solid waste ardealite is modified and combined with the steel slag and the mineral slag to form an ardealite-mineral slag-steel slag ternary synergistic curing system, the rheological property and the early strength of the material are remarkably improved by combining the cement curing agent, and the fluidity and the setting time of the slurry are effectively regulated and controlled through the thickening time control agent; the self-compaction performance and construction efficiency in the construction process are guaranteed, meanwhile, the consumption amount of solid waste ardealite is increased, the cement consumption and carbon emission are reduced, and the self-compaction ardealite concrete can be suitable for construction under complex working conditions such as narrow space or special geological conditions.

The utility model belongs to municipal engineering technical field, concretely relates to a kind of shallow soft soil subgrade treatment combination structure in narrow site, comprising: replacement boundary line, roadbed replacement base layer, replacement demarcation line, ground line, excavation replacement slope line, cement soil mixing pile solid pile, cement soil mixing pile empty pile, cement solidification area and replacement granular material.Excavation replacement slope line starts from replacement demarcation line, and ends in replacement boundary line;Cement soil mixing pile solid pile is located below the area inside replacement boundary line road, its pile bottom is below replacement demarcation line, and pile top is cut off in excavation replacement slope line;Cement soil mixing pile empty pile is only as the "virtual section" that cement soil mixing pile solid pile body extends upwards;Cement solidification area is the area that replacement boundary line, cement soil mixing pile solid pile bottom and excavation replacement slope line, ground line are enclosed to form.The utility model can reduce the range of slope excavation, reduce the influence of excavation replacement subgrade treatment to surrounding environment and building structures.

The application provides a kind of cement-like solidification characteristics and mineral flavor seaweed mayonnaise and its preparation method, based on the principle of multistage homogenization in cement production, heat treatment and particle grading, porous activated carbon particles prepared by carbonization of brown algae fermentation are graded and matched, combined with ladder type homogenization emulsification process, the cement-like solidification gel characteristics are realized;The activated carbon particles of brown algae are calcined at high temperature to form a multistage pore structure, and form a cement-like mineral flavor in cooperation with black pepper powder, smoked chili powder, clove powder, litsea cubeba powder, catnip powder and garlic powder, etc.The product prepared by the application has unique touch, low-fat characteristics and functional dietary fiber, and is suitable for building theme catering and health food field.

The invention discloses an efficient drilling process for a coal mine working face bottom plate oil type gas ground horizontal well, which comprises the following steps of: 1, drilling downwards along a working face stratum by using a drill rod, and continuously mixing and extruding cement paste in the drill rod and discharging the cement paste outwards in the process that the drill rod rotates clockwise to drill, so that a cement protection layer is formed on a hole wall; secondly, after drilling is completed, a drill rod is driven to rotate anticlockwise and pulled out upwards, and in the process, the drill rod is heated, cement on the hole wall is dried, and the cement curing process is accelerated; according to the efficient drilling technology for the coal mine working face bottom plate oil type gas ground horizontal well, the hole wall can be coated with cement while drilling is conducted in a stratum, so that the hole wall strength is effectively improved, the hole collapse condition is effectively avoided, and the device can emit heat and effectively improve the cement hardening speed.

This invention discloses a numerical simulation method for the maintenance and construction of semi-flexible pavement based on dual-scale coupling, comprising: determining the dimensions of the milled and repaved section based on the original pavement structure obtained by three-dimensional ground-penetrating radar and falling-weight deflectometer; establishing a finite element model for the original pavement structure; simulating the semi-flexible layer after milling and repaving using discrete element method and coupling it into the finite element model to construct a dual-scale coupled model; performing simulation calculations on the compaction and molding of large-void parent asphalt mixture; conducting simulation derivation of self-leveling cement slurry filling based on the construction process and the dual-scale coupled model; establishing a discrete element numerical model for cement curing to characterize cement curing behavior; and evaluating and guiding the maintenance of the semi-flexible pavement based on the dual-scale coupled model. This invention realizes process control and performance evaluation during the construction period of semi-flexible pavement and guidance for maintenance and repair during service life, making up for the shortcomings of high testing costs and insufficient theoretical data for different construction conditions in semi-flexible pavement.

This application discloses a cement curing box with adjustable shelves, belonging to the technical field of building material curing equipment. It includes a cement curing box and shelves, each shelf consisting of a mounting plate and round rods. Multiple round rods are fixedly connected between every two mounting plates. Each shelf is connected to the cement curing box via an adjustment mechanism and is movably connected to the inner wall of the cement curing box. This application features a novel design and ingenious device. By designing adjustable shelves inside the cement curing box, the shelf height of the corresponding area can be adjusted when storing and retrieving cement test blocks, facilitating the storage and retrieval of cement test blocks. After storing cement test blocks, the shelf height of the corresponding area can be lowered to allow for more shelves to be set up inside the box for storing cement test blocks. Compared to fixed shelves, this solves the problems of only being able to store a small number of test blocks, non-adjustable shelf height, low space utilization, resulting in limited effective placement space for cement test blocks and difficulty in simultaneously curing a large number of cement test blocks.

The application discloses a simulation device and method for evaluating the influence of perforation impact load on cement ring integrity, which comprises the following steps: placing cement slurry into a cement curing experimental device to form a cement ring; performing a perforation impact load experiment on the cement ring by using a simulation perforation impact load device; and detecting the integrity of the cement ring after the perforation impact load experiment is completed. The simulation device can simulate the perforation impact load on the cement ring sealing integrity experiment, the impact load caused by the perforation impact is considered in the simulation device, the influence of the perforation impact load on the cement ring sealing integrity can be truly reflected, and the simulation is not limited to software. By setting double-layer fixed supports and a control inclined angle support, the simulation device can simulate and evaluate the influence of the perforation impact load on the cement ring sealing integrity under different well inclination angles, and the blank of the prior art is made up.

This application discloses a density-based mix design method for fluidized solidified soil, comprising: determining the design density of the fluidized solidified soil; determining the water-to-solid ratio of the fluidized solidified soil based on fluidity requirements; determining the cement admixture ratio and curing agent admixture ratio of the fluidized solidified soil based on strength requirements; and obtaining the corresponding dosages of water, cement, curing agent, and wet soil. This application innovatively designs the mix proportion of fluidized solidified soil from a density perspective, effectively ensuring the rationality and accuracy of the density of the prepared fluidized solidified soil. This results in a density lower than that of the silt on the seabed in marine reclamation projects, thereby guaranteeing the construction quality of fluidized solidified soil reclamation projects.

The utility model provides cement test block curing equipment. The cement test block curing equipment comprises a cement curing box main body, a cement curing cavity, a layered storage structure, a rotary placement platform, a hot air input hole and an atomization humidification hole, according to the device, a layered storage structure is adopted to conserve a plurality of cement test blocks at the same time, hot steam is supplied to the cement test blocks on each layer through hot air input holes, water mist is supplied to the cement test blocks on each layer through atomization humidification holes, and the cement test blocks are placed at the upper end of a rotary placement platform on each layer; the cement test block is driven by the rotary placing platform to rotate at a low speed at a uniform speed, so that the distance between each surface of the cement test block and the hot air input hole and the distance between each surface of the cement test block and the atomizing and humidifying hole are periodically changed, and the uniformity of humidity and temperature of each surface of the cement test block is realized on the premise of not additionally arranging the hot air input holes and the atomizing and humidifying holes in multiple surfaces; the influence on the curing effect of the cement test block is avoided.

The invention discloses a red clay flow-state curing agent based on solid waste synergy as well as a preparation method and application thereof, and relates to the technical field of waste application and special soil curing. Two solid waste materials, namely the granulated blast furnace slag and the rice hull ash, are creatively compounded with the cement to form a novel curing system under the synergistic effect, namely, a slag-rice hull ash synergistic mechanism, and stable C-A-S-H gel is generated through active components (SiO2 and Al2O3) of the slag and amorphous SiO2 of the rice hull ash under the excitation of a calcium source, so that the high-strength cement is prepared. Meanwhile, pores of the red clay are filled with rice hull ash particles, a dual-curing mechanism of chemical cementation and physical filling is constructed, the problems that the curing effect is poor due to the fact that the red clay inhibits cement hydration due to an acid environment and the cementation structure is weak are effectively solved, and the strength, durability and water stability of the red clay are remarkably improved; the technical bottleneck of traditional single cement solidification or simple solid waste mixing is broken through.

The invention relates to the technical field of inorganic environment-friendly sealing materials for mining, and discloses a novel inorganic environment-friendly sealing material for mining, which comprises the following raw materials: a component A: cement, a filler, a surfactant, a flame retardant, a foaming agent, a plasticizer, a cement curing agent, dispersible latex powder and water; and the component B comprises an expanding agent, a mixed emulsion, a diluent and water. According to the novel mineral inorganic environment-friendly airtight material, the flame retardant and the dispersible latex powder are added, so that the material has excellent fireproof performance, in a high-temperature environment, a heat-insulating oxygen-isolating layer formed by the flame retardant can effectively prevent fire from spreading, and the fire endurance of the material is further improved due to the structural stability of the material enhanced by the dispersible latex powder; reliable fireproof guarantee is provided for mine safety production; the organic silicon surfactant is added, so that after the material is sprayed on the inner wall of a mine, the surface is clean and tidy, the material can be tightly bonded with the inner wall, the material performance is stable, and in the preparation process, the foaming agent and the plasticizer act synergistically, so that the material is quick in reaction and high in foam expansion.

The utility model discloses a cement curing box which comprises a box body, a gear motor is installed on the rear end face of the box body, a rotating disc is installed at the output end of the gear motor, a plurality of storage baskets are installed in front of the rotating disc, and a refrigerator and a heater are installed on the bottom face in the box body. A temperature sensor and a humidity sensor are installed on the top face in the box body, a water tank is installed on the upper portion of the box body, a liquid inlet hopper penetrates through the upper portion of the water tank through a bearing, a water pump is installed on the side wall of the box body, a connecting pipe is clamped to the input end of the water pump, and one end of the connecting pipe is inserted into the water tank. The output end of the water pump is connected with a spraying pipe in a clamped mode, and one end of the spraying pipe is inserted into the box body. The cement curing box has the advantages that the rotating disc and the storage basket are adopted, the situation that use of a transmission structure is affected by humid air or foreign objects can be avoided, and the use practicability of the cement curing box is improved.

The application relates to a binder applied to mine slag adhesion, which comprises the following components: 65-70 parts of mine slag, 8-12 parts of calcium aluminate cement, 3-5 parts of mine powder, 2-3 parts of phosphorus powder, 1.5-2.5 parts of water glass, 0.8-1.2 parts of sodium hydroxide, 0.6-0.8 parts of a retarder, and 2-5 parts of an alkaline additive; the alkaline additive comprises modified calcium hydroxide, sodium silicate and sodium carbonate; the modified calcium hydroxide comprises calcium hydroxide and sodium polyphosphate. The application has the effects of improving the cement solidification and adhesion performance, reducing heavy metal ion seepage, and improving the utilization rate of mine slag.

The application discloses a resin transmission metering method and device for cement solidification of resin waste in a nuclear power plant. The resin transmission metering method adjusts the proportion of resin and water in the resin being transmitted in the pipeline by alternately opening a resin transmission control valve and a water transmission control valve, so that the transmission of the resin in the pipeline is more stable. The resin liquid level switch is improved into a tuning fork type material switch, and the process control flow of resin metering operation is modified. Whether to start a resin dehydration process is judged by input signals of a second resin liquid level switch and sensing signals of a height sensor, so that sufficient resin is output into a resin metering tank for dehydration treatment. The resin transmission mode is modified. The resin gravity combing and water injection pipeline flushing mode are used to avoid the extrusion of a screw pump on the resin, so that the resin is prevented from being damaged and blocked on the filter screen, and the reliability of resin transmission and metering is improved.

This invention discloses a method for preparing and applying a lead-zinc tailings-based geopolymer-based eco-friendly soil, belonging to the field of building materials technology. The main components of the eco-friendly soil material of this invention include: 90-95 parts by weight of lead-zinc tailings, 5-20 parts by weight of an activity regulator, 8-15 parts by weight of a composite alkali activator, and 3-8 parts by weight of a water-retaining and air-permeable modifier. The solid-liquid ratio of the solid components to water is 35%-55%. The activity regulator is one of metakaolin, slag, or steel slag; the water-retaining and air-permeable modifier is one of diatomaceous earth, zeolite powder, or straw fiber; and the water glass modulus in the composite alkali activator is 1.2-1.6. Compared with traditional cement-stabilized soil, the eco-friendly soil prepared based on the above components has advantages such as low carbon and environmental protection, low cost, multifunctionality, replicability, and scalability.

The invention discloses a method for solidifying radionuclide technetium in a solution and application of the method, and belongs to the technical field of spent fuel post-treatment. The curing method comprises the following steps: firstly, acidifying a technetium-containing solution by using nitric acid, then adding the acidified technetium-containing solution into a sodium metaaluminate solution, and reacting under a low-temperature condition to ensure that technetium is covalently bonded with high-activity mu < 1->-OH in a curing product in a form of pertechnetate (TcO4 <->) and is cured in pseudo-boehmite-like mixed crystals with stable crystal structures; the curing method is mild in operation condition and simple in technological process, overcomes the defects that in a traditional cement curing and glass curing method, the size of a cured product is increased, technetium is prone to volatilization and the like, has the advantages of being small in cured product size, high in curing efficiency, low in cost and environmentally friendly, the maximum curing amount can reach 100 mg / g, and the curing method is suitable for industrial production. The method is suitable for treating technetium-containing acidic nucleus waste liquid generated in the spent fuel post-treatment process.

The invention discloses a device for testing permeability and linear shrinkage of a well cementation cement sheath under a heavy oil thermal recovery working condition, and belongs to the field of heavy oil recovery of oil and gas fields. The device comprises a gas injection unit, a cement sheath high-temperature performance test unit and a data acquisition and processing unit. The gas injection unit comprises a gas cylinder, a check valve, a gas heating device and a gas cooling device; the cement sheath high-temperature performance testing unit comprises a center rod, an upper end cover, a baffle, a U-shaped transmission part, a lower end cover and a displacement sensor, an annular space between the center rod and the baffle is a cement curing chamber, the edges of the upper end cover and the lower end cover are provided with protrusions, the bottom of the U-shaped transmission part is attached to the inner wall of the baffle, and the two ends of the U-shaped transmission part penetrate through radial round holes of the baffle; a displacement sensor is arranged between the edge bulges of the upper end cover and the lower end cover; the data collecting and processing unit comprises a thermocouple, a pressure sensor, a flow sensor, a displacement sensor, a data collecting module and a computer. The design of a cement paste system can be optimized, and the well cementation quality is effectively improved.

The utility model discloses a cement curing box for cement strength detection, which comprises a curing box body for curing a cement part A, a box body, a box door hinged with the box body and a supporting plate arranged in the box body, an outer sealing rubber strip is arranged on the inner surface of the box door, and a stabilizing plate is arranged at the corner position of the top of the box door; the limiting mechanism comprises an installation plate installed on the box body, a fixing shaft installed between the opposite surfaces of the installation plate, rebound springs arranged at the two ends of the fixing shaft in a sleeving mode and a rebound piece installed on the fixing shaft, and the rebound piece comprises a rotating arm rotationally connected with the fixing shaft and a blocking rod perpendicular to the rotating arm; the sealing assembly is arranged on the box door; the cement curing box is provided with the design for limiting the box door and avoiding springback of the box door, the stabilizing plate arranged on the box door is blocked by the blocking rod, the situation that a gap exists between the box door and the box body due to springback of the closed box door can be avoided, in addition, an inner sealing rubber strip is additionally arranged, and the sealing performance is further improved.

The invention provides a method for testing uniformity of a barreled radioactive incineration ash cement solidified body, which comprises the following steps: stratified sampling is carried out on the cement solidified body, a sample is cut and polished after sampling, and then the density and compressive strength of all the samples are further detected to obtain the uniformity of the barreled radioactive incineration ash cement solidified body. And calculating the relative standard deviation of the density and compressive strength of the cement solidification body sample, and comparing the relative standard deviation with the index requirement value of the relative standard deviation so as to judge the distribution uniformity of the substances in the cement solidification body. The test method is simple and convenient to operate and scientific and accurate in result, professional detection equipment and professional technicians are not needed, the uniformity of the barreled radioactive incineration ash cement solidified body can be rapidly and effectively judged on the basis of statistics and physics principles, the detection cost is greatly reduced, and the detection efficiency is improved. And a reliable basis is provided for safe disposal of radioactive wastes.

The invention belongs to the technical field of solid waste treatment, and particularly relates to a thallium pollutant binder and a thallium pollutant curing method. The binder provided by the invention is composed of ordinary Portland cement and an auxiliary cementing material in a mass ratio of 7: 3, wherein the auxiliary cementing material is one or a combination of more of metakaolin, silica fume and lime. The raw materials of the binder are simple and easy to obtain, and the binding effect is remarkable. In addition, the invention further provides a thallium pollutant immobilization method, the thallium immobilization effect of the method is obviously better than that of a traditional ordinary Portland cement immobilization method, and the thallium removal rate reaches 97%. Through characterization technologies such as thermogravimetric analysis, scanning electron microscope-energy spectrum analysis and the like as well as a toxic characteristic percolation process and a compressive strength experiment, the migration and transformation behavior of the Tl in a cement curing matrix is defined, the immobilization mechanism of the Tl in the system is determined, and it is embodied that the curing method can avoid secondary migration and diffusion of the Tl in the sediment, and the curing effect of the Tl in the sediment is improved. The ecological risk is reduced.

The present application relates to the technical field of cement curing, in particular to an intelligent decision-making method for the curing process of cement production. The technical scheme comprises the following steps: collecting multi-dimensional parameter data in the cement curing process and preprocessing the data. The cement curing stages are divided, and a stage-based prediction model is constructed. Based on the real-time obtained multi-dimensional parameter data and the prediction model linkage analysis, the prediction result is obtained. It is judged whether the prediction result is beyond the curing target threshold range of the stage: if not, the current curing parameters are maintained; if yes, the prediction result is labeled. The labeled prediction result is used to obtain the optimal parameter combination through curing parameter optimization calculation. Through multi-source data acquisition and stage-based prediction model, the cement hydration process is accurately perceived, the curing parameters are dynamically optimized, and the problems of insufficient curing or excessive curing are effectively avoided. Water consumption and heat energy consumption can be reduced, which conforms to the concept of green production.

The invention discloses a novel method for preparing a filling material from cement solidified coal gangue, and belongs to the technical field of solid waste recycling. The method comprises the following steps: preparing novel cement composed of low-calcium Portland cement clinker, a silicon-aluminum additive, desulfurized gypsum and a composite treating agent; the pretreated coal gangue is mixed and stirred in proportion to form cured slurry, and the high-strength filling material is obtained through pouring and curing. Wherein the silicon-aluminum additive adopts high-activity micro powder prepared by suspension calcination of coal gangue, the hydration process is optimized by a composite treatment agent, and the material strength and the heavy metal curing capacity are remarkably improved in cooperation with graded stirring and a constant-temperature and constant-humidity curing process. The use amount of the cement is reduced, efficient resource utilization of the coal gangue is achieved, and the method has energy-saving, emission-reducing and environment-friendly benefits and is suitable for scenes such as mine goaf backfilling, roadbed base course and site hardening.

The invention relates to a seabed foundation pile anti-scouring protection method adopting solidified soil conformal interconnection base blocks. The seabed foundation pile anti-scouring protection method comprises the following steps that offshore wind power single pile foundation anti-scouring protection pile solidified soil is prepared from clay, cement, a curing agent and water; the offshore wind power single-pile foundation anti-scouring fender pile solidified soil is put into a mold to be poured and formed, and a solidified soil shape follow-up interconnection base block with the foundation pile matched with the pit in shape is formed; and the stabilized soil shape follow-up interconnection base blocks are put into a ship and transported to the position near a seabed foundation pile, the stabilized profiling shape follow-up interconnection base blocks are hoisted and stabilized through a crane, the stabilized soil shape follow-up interconnection base blocks are fixed one by one, and the stabilized soil shape follow-up interconnection base blocks are spliced along the foundation pile. Aiming at a high-flow-velocity scour area, the solidified conformal interconnected base blocks can be stacked, so that the foundation pile is protected, and the protection range of solidified soil is expanded. The influence of water flow and adverse weather on solidification operation is reduced, the solidification operation quality is improved, and the solidified soil has a wider application range for foundation pile protection.

The invention relates to an adhesive applied to adhesion of mine slag. The adhesive comprises 65-70 parts of slag, 8-12 parts of calcium aluminate cement, 3-5 parts of mineral powder, 2-3 parts of phosphorus powder, 1.5-2.5 parts of water glass, 0.8-1.2 parts of sodium hydroxide, 0.6-0.8 part of a retarder and 2-5 parts of an alkaline additive. The alkaline additive comprises modified calcium hydroxide, sodium silicate and sodium carbonate, and the modified calcium hydroxide comprises calcium hydroxide and sodium polyphosphate. The application has the effects of improving the cement curing and bonding performance, reducing the seepage of heavy metal ions and improving the utilization rate of the slag at the same time.

This invention discloses a method and related apparatus for predicting the strength of cement-stabilized soil, relating to the field of building materials. The prediction method includes determining the normalized unconfined compressive strength index I of cement-stabilized soil based on the solidification test parameters and basic physical properties of the cement-stabilized soil sample; determining the unconfined compressive strength test value of the cement-stabilized soil; fitting I and the test value into a formula, calculating the values ​​of a and b, and substituting them into the formula to obtain the prediction model formula, which can be used to predict the unconfined compressive strength of cement-stabilized soil. Based on the physical properties of the solidified soil, the solidification test parameters, and the unconfined compressive strength test value, this application constructs a prediction model formula for the unconfined compressive strength of cement-stabilized soil with this strength index as the sole predictor variable, thereby achieving rapid prediction of the strength of cement-stabilized soil, reducing on-site testing costs, and improving construction efficiency and quality.

The application discloses a low-concentration high-tail-slime full tailings cementing curing agent and a preparation method thereof. The cementing curing agent comprises the following components and weight fractions: a cementing component 50-75 parts, an active excitation component 10-20 parts, an organic-inorganic hybrid anti-slime reinforcing component 8-20 parts and a dispersion modification component 1-3 parts. The application further discloses a preparation method of the cementing curing agent. The cementing curing agent is mainly used in a filling system with low concentration and high tail-slime content.

The application belongs to the technical field of building materials, and particularly discloses a preparation method and application of a self-leveling filling waste pipeline material, which comprises the following steps: obtaining clean water residual mud generated by sewage treatment of a pure device, mixing a debonding agent solution into the clean water residual mud in a stirring pot, and stirring the clean water residual mud by using a mortar planetary mixer to obtain a clean water residual mud slurry; configuring a composite powder by using a cement powder and a slag powder, mixing the composite powder into the clean water residual mud slurry, and mixing the clean water residual mud slurry uniformly by using a planetary mixer for a first preset time to form a flowable solidified residual mud slurry; storing the flowable solidified residual mud slurry in a column mold, vibrating the flowable solidified residual mud slurry on a cement mortar vibrating table for a second preset time, and then demolding to obtain a solidified residual mud filling material; and the application has the following advantages: the flow effect before solidification is improved through the resource utilization of the slag powder and the cement solidification cooperation; the clean water residual mud is used as a main filling material, and the application has the advantages of low production cost, large output, small pollution and good flow solidification effect.

The invention discloses a harmless treatment method of medical radioactive waste, which comprises the following steps: crushing polluted plastics until the particle size is 1-3mm, and adding water to reduce dust; common Portland cement and fly ash are used as base materials, lead particles with the surfaces coated with nano-zinc oxide are doped, and interface bonding of the lead particles and a cement base body is enhanced through a chemical coating process; a nano additive compounded by graphene oxide, nano silicon dioxide and zeolite according to a specific proportion is adopted to form a physical adsorption and chemical bonding double barrier; the density of a solidified body is improved through planetary stirring and ultrasonic treatment and cement hydration heat, the compressive strength of the solidified body prepared through the method reaches 38.45 MPa, the fixing efficiency of iodine-131 is 98.2%, the leaching rate is only 0.8%, the porosity is lower than 9.12%, and the solidified body is remarkably superior to a traditional cement solidification technology, interface strengthening of nano-zinc oxide coated lead particles and the synergistic adsorption effect of a nano-composite material. And ultrasonic dispersion and vibration compaction processes are integrated, so that the problems of radionuclide migration and insufficient shielding performance are effectively solved.

The utility model belongs to the technical field of cement curing boxes, and discloses a cement curing box convenient to supplement cement materials, which comprises a box body, a plurality of supporting strips are fixedly arranged in the box body, a cement supporting plate is slidably arranged on the top surfaces of the supporting strips, a plurality of fixing blocks are fixedly arranged in the cement supporting plate, and the fixing blocks are fixedly arranged on the top surfaces of the supporting strips. A fixing block is arranged on one side of the curing box, a sliding long strip is arranged in the fixing block in a sliding mode, a rotating block is rotationally arranged on the other side of the sliding long strip, and a clamping block is arranged on the inner side of the rotating block in an attached mode. According to the cement curing box, the practicability and flexibility of the cement curing box are improved, meanwhile, the cement tray is fixed and limited, accidents caused by sliding-out of the cement tray due to some reasons are avoided, and meanwhile the safety of the curing box is improved.

The invention relates to a stirring platform for solidifying cement in a radioactive waste barrel, which is characterized in that a supporting bracket is arranged on the ground in a column shape, and a lifting platform is mounted on the supporting bracket; the lifting assembly is arranged between the lifting platform and the supporting bracket, is fixedly connected with the lifting platform and is used for driving the lifting platform to move up and down along the supporting bracket; the revolution assembly is mounted on the lifting platform, the rotation assembly is mounted on the revolution assembly, the revolution assembly is used for driving the rotation assembly to revolve along the rotation radius of the revolution assembly, the lower end of the rotation assembly is connected with the stirring paddle, and the rotation assembly is used for driving the stirring paddle to rotate; the stirring paddle is located above the radioactive waste barrel and used for penetrating into the radioactive waste barrel to rotate and stir waste. Limiting is conducted through the lifting assembly, lifting motion in the vertical direction is achieved, the moving stability of the lifting platform in the vertical direction is improved, stirring is conducted through rotation and revolution at the same time, revolution is limited, and the moving stability of the revolution assembly in the rotating direction is remarkably improved.