78results about How to "Consolidation fast" patented technology

The invention relates to a high-performance sand-soil consolidation material, as well as a preparation method and a using method thereof. The high-performance sand-soil consolidation material belongs to a mortar composition and is characterized by comprising the following raw materials in parts by weight: 5-40 parts of cement clinker, 3-6 parts of gypsum, 4-10 parts of alkali additive, 0.5-6 parts of compound activating agent, 1-4 parts of early strength agent, 2-10 parts of mineral activating agent, 3-8 parts of expansion agent and 22-77 parts of micro-powder formed by fine grinding of blast furnace water-quenched slag. The invention provides the high-performance sand-soil consolidation material which has the advantages of simple operation, convenient construction, good water resistance, fast consolidation, high early strength, stable improvement of post-strength, resistance to erosion of underground inorganic salt water, excellent anti-seepage performance and low production cost, as well as the preparation method and the using method thereof. The high-performance sand-soil consolidation material is suitable for consolidating mine tailings, natural weathered sand, fly ash, gravel, stone chips, stone powder, soil, sludge, construction waste, coal gangue and phosphorus slag into a solid material, and can be used for laying a subgrade, constructing a wall body and constructing a site foundation.

A method for reinforcement of yielding soil of large area or hollow land includes the following procedures in order: 1. low position vacuum pre-press procedure as building cofferdam, filling in sludge to certain height, paving cloth and bamboo fence on the top, vertically inserting in water emission plastic boards, laying horizontal vacuum pipe net, installing vacuum pre-press system and sealing with mud layer of 0.8-1.5 m thick then vacuum bumping for pre-press; 2. high vacuum rate well point water reduction procedure as applying a high vacuum rate well point water reduction system on the mud sealing layer, removing well point pipe after the first round of water reduction; 3. low power strong tamping procedure as paving a layer of filling material on the mud sealing layer then tamping. Roller compact the surface after 2-3 rounds of procedure 2 and 3.

The invention provides a method for de-silting a lake and constructing a lake center island and belongs to a construction technology. The method comprises the following steps of: de-silting and dredging, transporting sludge, carrying out storage yard treatment, curing the sludge, discharging tail water and constructing the lake center island while de-silting. The method disclosed by the invention solves the problem that old problems of de-silted lake water happen again. The engineering cost is reduced, the work period is shortened and the secondary pollution is managed. The method has the characteristics of smaller occupied space, no transferring of pollutants, investment saving and good benefits. According to the method disclosed by the invention, the swampiness problem is solved, the water storage amount is increased, a land resource is increased, a wetland park is established and the pollution recycling is realized. The method is a practical and feasible good method for managing and beautifying the lake.

The invention provides a double-layer low level vacuum preloading consolidation device and a soft soil foundation consolidation method. The device consists of a main controller, a power distribution controller, a vacuum pump, a submersible pump, a buffer knockout drum, a control valve, a vacuum gauge, a vacuum degree detecting head, a hydraulic fill consolidation layer vacuum pipe network, a soft soil consolidation layer vacuum pipe network, a subsidence mark, an open water overflow port, pipes and gauge tables, wherein a cofferdam is reclaimed along the consolidation area border in the soft soil foundation, a soft soil consolidation layer is formed in the cofferdam, the soft soil consolidation layer is provided with the soft soil consolidation layer vacuum pipe network and a hydraulic fill consolidation layer, the hydraulic fill consolidation layer is provided with a bearing separation layer and the hydraulic fill consolidation layer vacuum pipe network, and the hydraulic fill consolidation layer vacuum pipe network is hydraulically filled with a sealing layer. The invention has the advantages of reasonable structure, convenient construction, short construction period, low cost, good consolidation effect, facilitation of construction in large areas, consolidation of the soft soil foundation, dredging, and reutilization of the dredged sludge after consolidation, and can solve the problem of difficult land occupation of a blow-off field and create economic benefits.

The invention discloses a rigid drainage pile and a construction method thereof. A precast watertight concrete tube and a precast water permeating concrete tube are respectively provided with a vertical first through hole and a vertical second through hole, wherein the first through hole and the second through hole are hermetically communicated; and the second through holes on adjacent precast water permeating concrete tubes are hermetically communicated with each other. As the second through holes on the water permeating concrete tube can filter underground water, form a vertical draining channel for pore water in a soil layer, can quickly scatter pressure of the pore water rapidly increased in the soil layer to lead the ground to be hard to be upheaved; the rigid drainage pile forms negative pressure through a vacuum pump and a suction pipe to pump underground water and generate vacuum, can quickly and forcibly reduce water content of the soft soil layer among piles and form effective stress in the stratum so as to form prepressing on the foundation and improve the strength of foundation soil; when the water content of the soil layer is reduced to be suitable for tamping, a pounder is used for tamping the ground surface to ensure that the soil layer of the foundation can be quickly consolidated, and the strength is quickly improved. The consolidated composite foundation has higher bearing capacity, but the cost for treating the foundation is lower.

The invention discloses an integument degradable slow-release fertilizer, which comprises the following parts: 100-500 wt% fertilizer, 30-150 wt% acidified ground phosphate rock, 5-25 wt% gesso and 5-25 wt% modified urea formaldehyde condensate adhesive. The invention can be decomposed by microbe slowly to suck for soil, which displays positive relationship for decomposing rate and temperature.

The present invention relates to a drainage method of foundation pile, in particular, it relates to a positive and negative pressure quick drainage method of rigid body drainage pile. The invented principle is characterized by that when the positive pressure drainage efficiency is reduced, the negative pressure (namely evacuation) can be applied to the drainage channel in the pile interior, and can utilize water-filtering layer to increase hydraulic gradient of soil layer water penetration so as to accelerate water penetration and drainage.

The invention discloses a river mud factorization solidification treatment method, and belongs to the technical field of river regulation. The method comprises the following steps of 1, mud collection, 2, solid and liquid separation and 3, mud and sand solidification. According to the technical scheme, river mud can be rapidly cleaned out and solidified through an efficient treatment device, so that a river is dredged efficiently, various excellent effects are obtained, the technical problems that the mud treatment cost is high in the existing river dredging process and the environment is affected in the mud and sand conveying process are solved, industrial operation can be achieved, and the method is widely applied to large-scale factorization mud treatment.

The invention discloses a method for processing ultra-soft soil through combining shallow-surface-layer intermittent strong water-pumping / draining with short-term air-curing. The method comprises the following steps of: arranging horizontal water-pumping / draining pipe networks in a shallow-surface layer of an ultra-soft soil body, arranging water-draining pipe trenches in the surface layer and connecting the horizontal water-pumping / draining pipe networks and the water-draining pipe trenches with water-pumping / draining equipment so as to form a three-dimensional surface-layer water-pumping / draining system for shallow-surface-layer ultra-soft soil; carrying out intermittent strong water-pumping / draining and being aided with surface-layer drainage by using the water-pumping / draining equipment; and meanwhile, combining with the short-term air-curing by using the climate characteristics of strong sunlight and strong wind of coastal areas. According to the invention, the reinforcement for the shallow-surface-layer ultra-soft soil can be effectively and rapidly achieved, thus the invention provides a reinforcement treatment method which is applied to ultra-soft foundations, the shallow-surface layer of which is made of sludge or hydraulic-filled sludge and can greatly save cost.

The invention relates to a harbor construction sea reclaimed material utilizing silt, which is prepared by mixing gangue sand, the silt and cement. Water content of the silt is 60%-100%, and the weight ratio of the silt, the gangue sand and the cement is 1: 3-5: 0.04-0.06. A preparation method of the harbor construction sea reclaimed material utilizing silt is further disclosed. The material and the method achieve waste object utilization of the gangue sand and the silt. The material is high in strength, low in construction cost and capable of achieving quick solidification of silt and saving a large amount of natural resources. The material can be applied to projects such as sand quilt blowing filling, filtering guide layers, sand cushion layers and land area backfilling.

The invention relates to traffic construction engineering materials, in particular to foam sludge mixed light soil and a preparation method thereof. The foam sludge mixed light soil is characterized by being prepared from, by mass, 45-50% of raw material soil, 15-17% of water, 1-3% of a drying agent, 10-13% of a cement consolidation agent, 12-17.5% of a foaming agent, 1.5-3% of an early strength agent and 5-7% of a thickening water-retaining agent; the raw material soil is sludge with the particle diameter smaller than 4.5 mm and water content of 40-65%. The foam sludge mixed light soil and the preparation method thereof have the advantages that the pressure to the lower structure is lower, the strength is higher, sludge waste soil is recycled, and the foam sludge mixed light soil has highindustry value.

The invention discloses an anchoring slurry material of a prestressed anchoring cable. The anchoring slurry material is prepared by compounding early-strength sulphoaluminate cement, a polycarboxylatesuperplasticizer, a retarder, an air entraining agent and a thickening stabilizing agent; the materials reach the optimal composition by research, and thus the grouting slurry, which is extremely high in mobility, low in viscosity, proper in consistence, free from segregation, free from bleeding, quick to cure, and high in early strength, can be prepared; the components in percentage by mass of solid are that 98-99.7% of sulphoaluminate cement, 0.05-0.3% of water reducing agent, 0.1-0.5% of retarder, 0-0.08% of air entraining agent, and 0.04-0.20% of thickening stabilizing agent. The anchoring slurry material is high in workability, and low in workability; the problems of pipe blocking and locking of a stirring machine are decreased; proper working time is provided for construction; the slurry can smoothly flow through a 20mm fine pipeline to be poured into a hole being beyond 30m in height.

The invention discloses a negative-pressure three-dimensional flow-guiding disturbance impact solidification dredger filling method. The negative-pressure three-dimensional flow-guiding disturbance impact solidification dredger filling method mainly comprises the steps that a dredger fill area is cleaned and flattened; a ditch is horizontally formed in the dredger area or a horizontal water seepage pipe is arranged by inclining by 0.5-5 degrees, and backfilling is conducted through medium and rough sand-gravel aggregate; a dam and a drainage canal are constructed on the periphery of the dredger fill area, and a water diversion pipe and an automatic-flowing drainage pipe are pre-buried; a dredger fill pipeline is led into the dredger fill area in the dam; slurry is guided into the surface layer of the dredger fill area and underground water is guided into the drainage canal after silt deposits; a water suction pump is connected to the outer port of the drainage pipe, and then forced drainage is conducted. Meanwhile, the invention creatively provides a suspension controllable dredger fill area drainage device, a movable multifunctional integrated well tube draining and vibrating-flushing device and technologies matched with the suspension controllable dredger fill area drainage device and the movable multifunctional integrated well tube draining and vibrating-flushing device. Compared with the prior art, the reinforcing period can be shorted by about 50% and the comprehensive unit cost can be reduced by about 45% under the same condition, and the bearing capacity of a fill stratum within the overall depth range can reach 60-80 kPa after treatment.

The invention discloses a rapid heavy metal-contaminated slurry dewatering system and a method for rapid heavy metal-contaminated slurry dewatering. The dewatering system comprises a temporary sludgestorage tank, an ultrasonic reaction device, a flocculation reaction device and a sludge dewatering device. The method for dewatering heavy metal-contaminated slurry by the dewatering system comprisesthe following steps: adjusting the pH of heavy metal-contaminated sludge in the temporary sludge storage tank, then conveying into the ultrasonic reaction device for ultrasonic treatment, then entering the flocculation reaction device for a flocculation reaction, and finally entering a geotextile tubular bag of the dewatering device for sludge and water separation. The whole dewatering system isshort in heavy metal-contaminated sludge treatment cycle and small in using amount of a flocculating agent; heavy metals can be stabilized while the sludge is dewatered; final disposal or recycling can be directly performed on the dewatered sludge.

The invention discloses a processing method for quickly concreting soft groundsill by vibrating pressurization, characterized in: firstly deposing well sites according to the required clearances and depths and vacuumly pumping water in the to-be-processed stratum to form vacuum negative pressure; when making vibrate-impacting pressurization in the stratum according to the required clearances and depths, forming positive pressure; synchronously making vacuum water pumping and vibration above once and overlapping negative and positive regions and forming higher hydrodynamic force gradient, and finally finishing quick concretion of soft soil in short time. And its beneficial effects: having less deposition after processing, and having advantages of short processing time, better processing effect, lower manufacturing cost, etc, and having good economic benefits and wide application prospect.

The invention discloses a method for electro-osmosis solidification combined treatment of polluted sludge, which comprises the following steps: 1) fishing out the polluted sludge and filtering to remove water on the surface of the polluted sludge to obtain pretreated sludge; 2) filling the pretreated sludge into an electroosmosis device for electroosmosis treatment until the required water contentis reached; 3) taking out the electrode of the electroosmosis device, adding a curing agent into the treatment tank, and stirring to obtain solidified sludge. The above method is convenient to construct, and only requires a small amount of energy consumption and curing agent to achieve a good drainage consolidation effect.

The invention discloses a production method of a cold-solidified rusted pellet. The production method comprises the following steps: step a, manufacturing a pellet; step b, pre-maintaining the pellet, namely sending the manufactured raw pellet to a belt maintainer in a condition that the thickness of a pellet material layer is 100mm to 300mm, supplying hot air or hot smoke to the belt maintainer, ensuring that the temperature of the pellet material layer is 30 to 50 DEG C, maintaining for 8-24 hours, controlling the flow rate of the hot air or the hot smoke, and ensuring that the water content of the maintained pellet is 5wt% to 7wt% and the strength of each pellet is larger than or equal to 150N; step c, performing steam maintenance; step d, supplying water and supplying air for maintenance; step e, after 4 to 5 days of pellet pre-maintenance, steam maintenance and water-supplied and air-supplied maintenance, screening to obtain the cold-solidified rusted pellet. The cold-solidified rusted pellet produced by the method disclosed by the invention is remarkably improved in compression strength after the raw pellet is pre-maintained and is convenient for subsequent large-scale production.

The invention discloses a building material utilizing seabed sludge. The building material is formed by mixing and stirring tailing sand, sludge and a curing agent, wherein the moisture content of the sludge is 60%-100%; the weight ratio of the sludge to the tailing sand to the cement is 1:(1-3):(0.04-0.12). Stones are further added in the building material disclosed by the invention. The invention further discloses a preparation method of the building material. According to the building material utilizing seedbed sludge and the preparation method of the building material disclosed by the invention, the tailing sand can be recycled, the outlet problem of the tailing sand is solved, the environment-friendly problem is saved, the natural resources of sand-stone building materials are saved, the strength is as high as 6MPa and the manufacturing cost is low. The building material disclosed by the invention can be applied to the projects including a cement stabilization layer below a road storage yard, a vacuum preloading working cushion layer, concrete materials, land backfilling and the like.

The invention discloses a treatment structure of a high-strength water-permeable fiber concrete pipe gravel core pile soft thick soil base. The treatment structure of the soft base comprises high-strength water-permeable fiber concrete pipe piles, gravel, soft water-permeable blind pipes, water-permeable concrete pile followers, gravel cushion layers and two-way steel-plastic gratings. The high-strength water-permeable fiber concrete pipe piles are filled with the gravel, the soft water-permeable blind pipes are arranged in the high-strength water-permeable fiber concrete pipe piles, the water-permeable concrete pile followers are arranged at the upper ends of the high-strength water-permeable fiber concrete pipe piles, the gravel cushion layers are arranged above and around the water-permeable concrete pile followers, the two-way steel-plastic gratings are arranged on the middle portions and the upper portions of the gravel cushion layers, and the position on the two-way steel-plasticgrating on the uppermost layer is filled with roadbed soil and a roadbed. By means of the novel application and the novel process of a novel material, the soft soil base can be effectively treated athigh quality, the method is simple, the effect is excellent, the bearing force of the soil base is greatly improved, the construction period is greatly shortened, the engineering cost is reduced, andhigh economic benefits are increased.

The invention provides an industrially-manufactured dam component and a method for quickly building dams, and belongs to the technology of dam building. The method comprises the steps that a foundation is quickly processed by the means of a plastic water drainage plate, geofabric, a sand cushion laye, a vacuum pumping combined pre-pressing means and the like; the mode that vacuum pumping is conducted under a sealing film is used, a secondary sand cushion layer is poured on a covered thin film, and an earthwork is input on a prefabricated part; combined prepressing of the water level, sand cushion layer earthwork heaping and vacuum pumping is formed; the method that a prefabricated dam component is built on a processed embankment foundation, the prefabricated dam component and the processed embankment foundation are connected with each other to form a dam framework, and a light cushion layer is laid is used. The stress balance of the dam is adjusted, and differential settlement and landslide are avoided. The problems of foundation strength and earthwork heaping are fundamentally solved, and mechanical and mass construction is facilitated. The advantages of saving cost due to the fact that stones are replaced by earth, increasing the construction speed, being stable and reliable and the like are achieved.

The invention discloses a prepressing structure used for sea reclamation through blown filled muck. The blown filled muck is located in an original foundation and includes vertical water draining bodies arranged in the blown filled muck, a water falling pipe parallel to the vertical water draining bodies, and a bottom sand layer arranged at the bottom of the blown filled muck. The water falling pipe is of a hollow structure, an upper section of the water falling pipe is arranged to be a non-porous section, and a lower section of the water falling pipe is arranged to be a porous section. The porous section is located in the original foundation and the bottom sand layer. A water suction pump and a water pumping pipe are arranged in the water falling pipe. The water suction pump is located at the bottom of the porous section. The input end of the water pumping pipe is connected with the water suction pump, and the output end of the water pumping pipe extends to the top of the water falling pipe. A vacuum pipe layer is arranged on the tops of the vertical water draining bodies and the top of the water falling pipe in a communicating manner, and a vacuum film is arranged on the vacuum pipe layer. The vacuum pipe layer is connected with a vacuum pump. The invention further discloses a method used for sea reclamation through the blown filled muck. By means of the prepressing structure and the method, a vacuum water falling and prepressing combining effect can be achieved, a water draining effect is better, a foundation solidifying effect is better, and the bearing force is higher.

The invention discloses a technology for high-vacuum treatment of a deep soft soil foundation through a composite film. The technology comprises the following steps that (1) a vacuum system is arranged; (2) vacuum and water overload pre-pressing are performed for the first time through water-film compounding; (3) vacuum, overload and impact compaction are performed for the second time through soil-film compounding; and (4) post-construction intermittent vacuum drainage is carried out. According to the technology for high-vacuum treatment of the deep soft soil foundation through the composite film, the water-film compounding and soil-film compounding two-stage composite film sealing technology is adopted, the sealing and air closing effects are improved, and high-vacuum-degree prepressing is achieved. In the first stage, the overload preloading vacuum degree load is 90 kpa or above; and in the second stage, the overload preloading vacuum degree is 80 kpa, and the problem that the post-pile vacuum degree is sharply attenuated in the later stage in the traditional vacuum degree technology is solved.

The invention relates to a process method for constructing a fast consolidated waterside platform by using clay from the bottom of a lake. The method does not use the conventional filling method for construction, but takes entire blocks of clay from the bottom of the lake and transports the clay to a lakeside for embanking, and comprises the following steps: channel excavation, breakwater construction, clay taking from the bottom of the lake, clay material transportation, clay unloading, clay pushing transportation and leveling, and ship channel backfilling. The waterside platform is a platform along the lake shoreline and can be designed into various shapes according to requirements, wherein the width is between 10 and 300 meters, the water depth at the waterside platform is between 1 and 3 meters, and the crest level of the platform is at least 0.5 meter higher than the normal water level. The method can use conventional barges of an internal lake to transport block stones to a filling surface through a ship channel directly, and adopt mechanical dumping to reduce labor intensity and shorten construction period; and the method can achieve the aim of constructing the waterside platform on the lake shoreline, which can consolidate fast and satisfy the requirements of lakeshore stability and bearing after the filling construction through taking the clay from the bottom of the lake. The method can reduce 30 to 50 percent of the investment compared with taking the clay from land to fill the platform, and can reduce two thirds to three fourths of the investment compared with sucking the clay from the bottom of the lake and then performing a secondary consolidation.

The invention discloses an environment-friendly mud discharge field sludge rapid consolidation system and a consolidation method thereof . The specific working principle of the consolidation method for using the environment-friendly mud discharge field sludge rapid consolidation system comprises the following steps that grouting floral pipes of an external binding mold bag is implanted into a muddischarge field foundation, vertical drainage pipes are implanted around the grouting floral pipes, and the elevation of the grouting floral pipes and drain pipe hole openings is higher than the elevation of the sludge stacking surface; after sludge is discharged and completed, the sludge slurry is sequentially poured from the grouting floral pipes of boundary rows according to sequence, the perfusion pressure is increased step by step, the mold bag slowly expands to a designed diameter, and the sludge is extruded radially; the slurry in the mold bag is quickly consolidated under the action ofpressure, the free water of the slurry in the mold bag and the super-static pore water generated by extrusion of the sludge are discharged from an earth ground together through the vertical drainagepipes, and the free water and the super-static pore water are gathered into horizontal drainage pipes to be discharged out of the field to achieve rapid consolidation. The method overcomes the problems that a traditional sludge consolidation method is long in consolidation time, complex in process, high in auxiliary measure requirement, difficult in subsequent cleaning work, poor in economy, poorin environmental protection property and the like, and has the characteristics of short consolidation time, high environmental friendliness, simple equipment and process and low construction cost.

The invention discloses a damming method through seepage draining prism bodies realizing bidirectional permeation and reverse laying. The method comprises the following steps that flexible water permeable cylinders are laid into a dam along a natural slope of a dry beach; water guide pipes and joints are laid from the outside of the dam into a tailing pond along the lower portions of the longitudinal flexible water permeable cylinders to form water guide systems; seepage draining pipes are penetrated into the water permeable cylinders and are connected with the water guide systems; tailing sand is injected into the water permeable cylinders, and the longitudinal flexible water permeable cylinders form longitudinal seepage draining prism bodies; a transverse flexible water permeable cylinder is laid in parallel along a fill dam; a seepage drainage pipe is penetrated into the transverse flexible water permeable cylinder, and the outlet of the seepage drainage pipe is connected with the seepage draining pipes of the longitudinal prism bodies; tailing sand is injected into the transverse flexible water permeable cylinder, fine tailings and water in the tailing sand flow into the seepage draining pipes of the longitudinal seepage draining prism bodies through the internal seepage drainage pipe to be discharged, and the transverse flexible water permeable cylinder forms a transverseseepage drainage prism body as a tailing pond water permeable fill dam; and the space between the adjacent longitudinal prism bodies is filled with the tailing sand to form the dry beach. The method is simple in construction, good in stability, high in strength, rapid in damming and low in cost.

The invention relates to a harbor construction land reclamation material composition prepared from silt. The composition is prepared by mixing the following raw materials in weight proportion: 1 to 5of silt, 1 to 5 of tailing sand, 1 to 5 of carbon residue, 0.04 to 0.06 of cement and 0.004 to 0.006 of non-ionic surface active agent, wherein a water content of the silt is 70 to 90%, and the non-ionic surface active agent is chosen from high-carbon fatty alcohol polyoxyethylene ether, alkylphenol polyoxyethylene ether or fatty acid polyoxyethylene ester. By means of the composition disclosed bythe invention, waste use of the tailing sand and silt is achieved. The composition disclosed by the invention has the advantages of high strength and low construction cost; furthermore, quick solidification of the silt is achieved, and a lot of natural resources are saved. The composition disclosed by the invention can be applied to projects of hydraulic reclamation of sand, a filter guiding layer, a sand cushion layer, land area backfill and the like.

The invention discloses a pipe periphery backfilling material suitable for a flexible pipeline and a preparation method and a backfilling method of the pipe periphery backfilling material. The pipe periphery backfilling material comprises the following components: 12 wt%-17 wt% of water, 1.2 wt%-1.5 wt% of cement, 14 wt%-19 wt% of fly ash, 53 wt%-57 wt% of fine sand, 6.2 wt%-7.6 wt% of stone powder, 0.4 wt%-0.6 wt% of a setting accelerator and 0.2 wt%-0.7 wt% of a water reducing agent. According to the pipe periphery backfilling material suitable for the flexible pipeline and the preparation method and the backfilling method of the pipe periphery backfilling material, the material does not need layered compaction in the backfilling process, it can be guaranteed that backfilling is dense at the haunch corner of the flexible pipeline, the stability of the overall structure of a flexible drainage pipe under a heavy-load pavement is guaranteed, the problems of pavement collapse, cracking and the like can be solved, the backfilling operation efficiency of the flexible drainage pipe is improved, and the backfilling cost is reduced. The preparation method and the backfilling method are simple and convenient to use.

The invention discloses an early-strength quick-drying refractory mud filling material with a good insulativity. The filling material is prepared through the following steps: adding water in 100 parts of main raw material and 1-10 parts of composite additives, mixing, ageing mixture or fermenting, grouting, naturally drying and baking, wherein the main raw material is a mixture of sintered mullite, quartz sand powder, alumina micropowder and pure calcium aluminate cement; and the composite additives are lignosulfonate, sodium carboxymethylcellulose and one substance or a mixture of two substances selected from subnano alumina micropowder with a grain size of 0.25-0.50 mu m, silicon micropowder with a grain size of 1-2 mu m, sodium tripolyphosphate, sodium hexametaphosphate and sodium polyphosphate. The filling material has good properties such as good early strength, rapid consolidation speed, no moisture regain and good insulativity, dose not corrode metals, can be widely applied to a metallurgy smelting high temperature sensor and a rapid temperature-measuring element to be used as an insulation material.

The invention discloses a production method of a cold-solidified rusted pellet. The production method comprises the following steps: step a, manufacturing a pellet; step b, pre-maintaining the pellet, namely sending the manufactured raw pellet to a belt maintainer in a condition that the thickness of a pellet material layer is 100mm to 300mm, supplying hot air or hot smoke to the belt maintainer, ensuring that the temperature of the pellet material layer is 30 to 50 DEG C, maintaining for 8-24 hours, controlling the flow rate of the hot air or the hot smoke, and ensuring that the water content of the maintained pellet is 5wt% to 7wt% and the strength of each pellet is larger than or equal to 150N; step c, performing steam maintenance; step d, supplying water and supplying air for maintenance; step e, after 4 to 5 days of pellet pre-maintenance, steam maintenance and water-supplied and air-supplied maintenance, screening to obtain the cold-solidified rusted pellet. The cold-solidified rusted pellet produced by the method disclosed by the invention is remarkably improved in compression strength after the raw pellet is pre-maintained and is convenient for subsequent large-scale production.