29 results about "Cement Material" patented technology

The invention discloses a coating material for sealing the coal wall of a gob-side coal roadway. The coating material comprises 100 parts of cement, 3-6 parts of an environmentally-friendly interfacepolymer solid material and 10-15 parts of a mineral mixture and other additives, the environmentally-friendly interface polymer solid material comprises, by mass, 100 parts of an acrylate polymer solid and 8-9 parts of polyethylene synthetic resin, and the mineral mixture and other additives comprise, by mass, 5-10 parts of silica fume, 10-15 parts of common fly ash or slag, 1-2 parts of a superplasticizer and trace parts of basalt chopped fibers. The coating material is a novel composite material for guniting, and meets the requirements for plugging the coal wall of the gob-side coal roadway.

An underground support system having an underground reinforcement system that is at least partially encapsulated with concrete or a cement material. The underground reinforcement system includes a flexible wire mesh having a matrix of longitudinally and transversely extending metal wires. The matrix of longitudinally and transversely extending metal wires has at least one three-dimensional sheet, each sheet having at least one raised corrugation, positioned along the length of an underground space. The raised corrugation acts as a template depth girder for application of concrete or cement material at a defined depth such that the underground reinforcement system is at least partially encapsulated with the concrete or cement material.

The invention discloses a multi-rope traction warehouse cleaning machine. A plurality of traction machines simultaneously control respective corresponding traction ropes to adjust the circumferentialposition of a cantilever beam in a warehouse so as to adjust the circumferential position of a sweeping head in the warehouse; meanwhile, according to the warehouse cleaning machine, winding and unwinding of a sweeping head hanging rope are controlled through a winch so as to adjust the height of the sweeping head in the warehouse, and due to the fact that the tail end of the cantilever beam is supported through multiple traction ropes, the weight of the cantilever beam and the weight of the sweeping head are borne through the multiple traction ropes; and according to the lever principle, it can be known that the cantilever beam does not need to bear the weight of the sweeping head or bears little weight of the sweeping head, it can be guaranteed that the cantilever beam can conduct sweeping operation for a long time without breaking or other risks due to overlarge bearing, importantly, the cantilever beam can be greatly lengthened on the premise that normal use is guaranteed, the outer diameter and the wall thickness of the cantilever beam are greatly reduced, accordingly, a sweeper can adapt to sweeping of the cement warehouse with a larger radius range, and meanwhile the weightof the warehouse cleaning machine can be greatly reduced.

The invention relates to the field of building materials, and particularly discloses a shield grouting material and a preparation method thereof. The shield grouting material is prepared from the following raw materials in parts by weight: 80 to 120 parts of cement, 180 to 300 parts of fly ash, 200 to 350 parts of sand, 50 to 80 parts of bentonite, 2 to 4 parts of a thickening agent, 0.5 to 1.5 parts of an expanding agent and 0.5 to 3 parts of a water reducing agent, the thickening agent is prepared from silica fume, hydroxypropyl methyl cellulose and diallyl phthalate; the shield grouting material prepared by the invention has a relatively high condensation speed.

The invention provides a reinforced regenerated surface porous material, a preparation method and application thereof, and a device for preparing the reinforced regenerated surface porous material, and belongs to the technical field of surface porous material utilization. The method comprises the following steps that: a regenerated surface porous material is soaked in a carbonate solution to be pretreated, so that a pretreated material can be obtained; the pretreated material is dried, so that a dried pretreated material can be obtained; microorganisms, a microorganism cementation substrate and an oxygen release agent are mixed, so that microorganism mixed feed liquid is obtained, wherein the microbial cementation substrate is obtained by mixing a carbon source, a nitrogen source, a calcium source and water; the dried pretreated material is soaked in the microorganism mixed solution under a vacuum condition, and then reinforcement treatment is performed on the obtained soaked materialunder a standing condition to obtain the reinforced regenerated surface porous material. The reinforced regenerated surface porous material prepared by the method provided by the invention is low in porosity and water absorption, high in strength and good in quality stability; the reinforced regenerated surface porous material has self-repairing performance when being used as an aggregate for preparing a cement-based material.

The invention discloses a treatment machine for increasing surface roughness of plastic foam particles. The treatment machine is mainly characterized in that a driving shaft of an electric device is fixedly connected with a flying bar in a material bin inner cavity; at least two sets of sawtooth-shaped blades are distributed and connected on a frame of the flying bar in the axial direction; the edges of blade teeth of the opposite sawtooth-shaped blades of on the flying bar are annularly sleeved with a sleeve with sieve holes distributed in the outer circle with the distance a=2 mm to 6 mm, and the sleeve is connected with a material bin; a feeding hole is formed in the other end of the material bin and corresponds to a feeding end opening of the flying bar. Under the action of outside suction force in the work process, the blade teeth on the sawtooth-shaped blades on the flying bar rotate, the surfaces of the plastic foam particles adsorbed on the surface of an inner cavity of the sleeve are scratched and pulled, roughness is increased, and then the plastic foam particles are sucked into the material bin through the sieve holes in the surface of the inner cavity of the sleeve through extrusion to be discharged out. The plastic foam particles with the rough surfaces are in mixed and coated connection through cement and pulverized fuel ash, the adhesive force is high, mixtures are evenly stirred, the material of a forming die shell is even and dense, connecting strength is high, and machining quality of die shell production is improved.

The invention discloses automatic pouring equipment for a high-rise building. A machine body and a to-be-poured building fixedly arranged on the right side of the machine body are included, a materialbin is fixedly arranged in the machine body, a material storage cavity is formed in the material bin, and cement, gravels and other materials are stored in the material storage cavity. A water storage cavity is formed in the position, on the right side of the material storage cavity, in the machine body, water is stored in the water storage cavity, a rotating cavity is formed in the position, inthe machine body, of the bottom of the material storage cavity, a stirring bin is fixedly arranged in the position, below the water storage cavity, in the machine body, and a stirring cavity is formedin the stirring bin. According to the provided automatic pouring equipment for the high-rise building, the equipment is simple in structure and convenient to operate, automatic pouring of the high-rise building can be achieved, all procedures are matched with one another without affecting one another, automatic stirring of concrete can be achieved, automatic pouring of the high-rise building canbe achieved after stirring, the process is convenient and rapid, waste of manpower and material resources is effectively avoided, and therefore the cost is greatly reduced.

The invention discloses glass fiber composite cement and a preparation method thereof. The glass fiber composite cement uses alkali-resistant glass fibers containing 12.5 wt% to 14 wt% of ZrO2 as rawmaterials, the alkali-resistant glass fibers containing 12.5 wt% to 14 wt% of ZrO2 as raw materials is prepared by modifying isophthalene neopentyl glycol type unsaturated polyester resin, dehydroacetic acid and 1-3 propylene glycol in silane coupling agent KH 570, and the glass fiber composite cement is prepared from the obtained alkali-resistant glass fibers as the raw materials and cement clinker, industrial waste residue, fly ash, slag and related auxiliary agents. The preparation method comprises the following steps of: firstly, calcining the industrial waste residue, slag and fly ash athigh temperature, then adding the cement clinker under the condition of medium temperature, and continuously calcining to obtain semi-finished cement; and then, mixing the semi-finished cement with the alkali-resistant glass fiber, the auxiliary agent and water at high speed, drying by hot air, and pulverizing into powder to obtain the finished cement. The cement prepared by the invention has lowalkalinity, high mechanical strength and strong stability and weatherability.

The invention discloses movable grouting equipment. The movable grouting equipment comprises a grout making unit and a grouting control unit; the grout making unit is used for making cement into cement grout, and the grouting control unit is used for injecting the cement grout into grouting holes to complete grouting; and the grout making unit and the grouting control unit are detachably mounted on a driving vehicle. According to the movable grouting equipment, the integrated movable grout making unit and the integrated movable grouting control unit are adopted, so that convenience and quickness in movement are realized.

The invention relates to the technical field of ground leveling mortar treatment, in particular to ground leveling mortar treatment equipment and a using method thereof.The ground leveling mortar treatment equipment comprises a tamping plate, two supporting bases are fixedly connected to one end of the top face of the tamping plate, and a scraping device is arranged above the tamping plate and comprises two rotating sleeves. Scraping plates are fixedly connected to the outer side walls of the tops of the two rotating sleeves, rotating shafts are fixedly connected to the inner side walls of therotating sleeves in an inserted mode, and the outer side walls of the ends, deviating from the rotating sleeves, of the rotating shafts are rotationally connected with the inner side walls of the supporting seats at the corresponding positions. According to the cement floor leveling device, the air cylinder pushes the protruding block to enable the second connecting rod to move in the direction away from the air cylinder, the second connecting rod moves in the direction away from the air cylinder to enable the first connecting rod to drive the supporting sleeve to rotate together with the transmission rod, and the second spherical cover on the transmission rod pulls the end of the boosting rod, so that the leveling plate makes contact with the cement floor to level the floor. The workingefficiency of ground leveling work is improved.

The invention discloses a method for monitoring and treating chlorine in a cement clinker production system for co-treating waste incineration fly ash and the cement clinker production system, and belongs to the technical field of environmental protection. The chlorine monitoring and disposal method is based on a cement clinker production system, and comprises the following steps: respectively detecting the chlorine ion content of hot raw materials and the chlorine ion content of cement clinker in a cement kiln system; by adjusting and controlling the technological parameters of the cement kiln system and/or the air discharge amount of the bypass air discharge device, the chloride ion circulation ratio in the cement kiln system is accurately controlled to be maintained within the range of 50-500, it can be guaranteed that the operation state of the cement kiln system is good and stable, and the influence of chlorine elements on the yield and quality of cement clinker is avoided; and a potassium chloride product with high economic value can be obtained.

The invention discloses a light-weight medium-high pressure mold and a preparation method thereof. The light-weight medium-high pressure mold comprises the following raw materials by weight: cement, wherein the cement is P.O42.5 and above ordinary Portland cement; ceramsite, wherein the density grade of the ceramsite is greater than or equal to 700, and the particle diameter is 8-12 mm; sand, wherein the sand is medium-coarse sand, and the modulus of the sand is 2.4-3.3#; a water reducing agent, wherein the water reducing agent is a polyhydroxy acid high-efficiency water reducing agent, and the mixing amount is 0.5-1%; and silica fume powder, wherein the particle size of the silica fume powder is less than 5 [mu]m, the water/binder ratio is 0.3-0.35, the ratio of the cement to the silica fume to the ceramsite to the sand is 48-52:1.5-3.5:16-20:55-60, the compressive strength of the mold is 40-45 Mpa, and the density of the mold is 1500-1600 kg/m<3>. On the premise that the compressivestrength is kept, the weight of the mold can be reduced by about 30%.

The invention provides a weak gelling agent, a preparation method of the weak gelling agent, a cement paste suspension stabilizer and application of the cement paste suspension stabilizer. The weak gelling agent is obtained by initiating reaction of raw materials through an initiator, and the raw materials comprise sodium p-styrenesulfonate, itaconic acid, acrylic acid, N, N '-dimethylacrylamide, N-isopropylacrylamide or N-hydroxymethyl acrylamide and N-vinyl pyrrolidone. The weak gelling agent can relieve the phenomena of dilution and viscosity reduction generated in well cementation construction. The invention further provides a cement paste suspension stabilizer which comprises a tackifying and shear strength improving agent and the weak gelling agent. The invention further provides application of the cement paste suspension stabilizer in well cementation construction at the temperature of 200 DEG C or above. The cement paste suspension stabilizer can ensure the safety of cementing and well cementation construction under high-temperature and ultrahigh-temperature working conditions, and can improve the packing effect and well cementation quality of a deep stratum.

The invention relates to a production device and production process for a cement kiln multifunctional necking hanging piece. The production device comprises a workbench, supporting frames, a movable table, a driving mechanism, a mold, a clamp, an actuating mechanism, wherein the two supporting frames are fixed to the two sides of the upper end of the workbench; the movable table is mounted on theworkbench in a sliding manner; the driving mechanism is mounted on the workbench, connected with the movable table and used for driving the movable table to move on the workbench; at least one mold isarranged and is mounted on the movable table; the clamp is movably mounted on the movable table; and the actuating mechanism is connected with the clamp and the workbench. According to the productiondevice and production process for the cement kiln multifunctional necking hanging piece, the movable table is driven by the driving mechanism to change the position on the workbench to reach a corresponding working position, and in the moving process of the movable table, the position of a to-be-machined product is changed on the mold along with the clamp through the actuating mechanism to reacha corresponding drilling or casting position, and therefore high automation degree can be achieved.

The invention relates to a cement-based slurry stirring system. The system comprises a cement bin, a stirrer, a water tank, a storage box and a controller, wherein a spiral conveyor is connected to the lower portion of a discharge port of the cement bin and conveys cement to a weighing hopper device, and the weighing hopper device is located above the stirrer; a first electromagnetic valve is arranged on a water pipe between a water outlet of the water tank and a water pump, a flow sensor is arranged on a water pipe between the water outlet end of the water pump and a water inlet of the stirrer, the stirrer is located above the storage box, and a second electromagnetic valve is arranged on a pipeline between a discharge port of the stirrer and a feed port of the storage box; and a discharge port of the storage box communicates with a conveying pump through a pipeline, and the controller is electrically connected with the spiral conveyor, the water pump, the weighing hopper device, the flow sensor, a density sensor, the first electromagnetic valve and the second electromagnetic valve. The cement-based slurry stirring system can realize automatic measurement of the cement and water, and can improve the production efficiency.

The invention discloses a composite solid waste pavement base binder and a preparation method thereof, and belongs to the technical field of road engineering. The composite solid waste pavement base binder is prepared by mixing pretreated alkaline ardealite powder, fly ash, slag powder and cement. The industrial waste phosphogypsum slurry raw material is subjected to alkaline pretreatment to obtain the alkaline phosphogypsum powder, the alkaline phosphogypsum powder is mixed with the solid waste such as the fly ash and the slag and the cement, and the mixture is applied to a semi-rigid base material to be used as a gelling binder, so that an effective utilization way of the industrial waste residue material is provided, and the utilization rate of the industrial waste residue material is increased. Moreover, the resource utilization rate of industrial waste residue materials can be increased, and the problem of environmental pollution caused by stockpiling and discharging of industrial waste residues is solved. And the prepared pavement base binder can improve the strength of the pavement base, reduce the shrinkage cracking effect of the pavement base, reduce the cement consumption, reduce the cost, and achieve the purposes of recycling solid wastes, and being economical and environment-friendly.

The invention relates to a method for improving a power factor of a cement-based composite material by pretreating zinc oxide, which comprises the following steps: in the preparation process of the cement-based composite material, pretreating zinc oxide micropowder by using a reducing atmosphere, and doping the pretreated zinc oxide micropowder into the cement-based composite material as a thermoelectric component, thereby improving the thermoelectric power factor of the cement-based composite material. The method for pretreating the zinc oxide micro-powder by using the reducing atmosphere comprises the following steps of: weighing ZnO and Al2O3 dry powder, carrying out uniform mixing, adding absolute ethyl alcohol, putting the mixture a ball milling tank, carrying out ball milling througha planetary ball mill, flatly paving the obtained oxide mixed powder on a corundum plate, and carrying out heat treatment in the reducing atmosphere to obtain pretreated zinc oxide micro powder. Themethod is simple in process, the conductivity of the zinc oxide micro powder is improved, the thermoelectric power factor of the cement-based composite material is greatly improved, and the problem that the power factor is not high due to the fact that the Seebeck coefficient of metal oxide is high but the conductivity is low is solved.

The invention discloses a preparation method of a wormwood antibacterial coating, the wormwood antibacterial coating is prepared from the following components in parts by weight: 400-600 parts of ionized water, 45-55 parts of lime, 15-26 parts of gypsum, 16-25 parts of white Portland cement, 15-20 parts of diatom ooze, 4-6 parts of folium artemisiae argyi, 3-5 parts of bentonite and 2-3 parts of cellulose, and the preparation method comprises the following steps: A, grinding and sieving ingredients; b, grinding, boiling and soaking folium artemisiae argyi; c, folium artemisiae argyi burning ash treatment; d-G, blending and stirring for 1-4 times; and H, filtering and sub-packaging. The formula is prepared from natural inorganic raw materials, folium artemisiae argyi through a traditional cooking process and folium artemisiae argyi ash through composite stirring and filtering, the smell of the folium artemisiae argyi is released for a long time, the preparation process is simple, the filtering efficiency is high, the cost is low, and the product is remarkable in sterilization effect through detection.

The invention discloses a sliding quick-connection type outdoor large transformer cabinet which comprises a cabinet body and a bottom plate, the lower end of the cabinet body is fixedly connected with the bottom plate, the lower end of the bottom plate makes contact with a cement table, a T-shaped columnar sliding groove is formed in the cement table, the bottom plate is in a plate shape, the cross section of the plate body is in an inverted T shape, and the bottom of the bottom plate is arranged in the sliding groove in the cement table in a matched mode. By means of the structural design, the cabinet body can be rapidly installed on the cement table, the clamping mechanisms can be controlled by treading the pressure plate, convenience and rapidness are achieved, the bottom plate slides into the sliding grooves in the cement table, the clamping mechanisms can be conveniently and rapidly clamped, and the cement table can be conveniently and rapidly installed. Therefore, the connection stability between the bottom plate and the cement platform can be effectively improved, and the impact resistance of the cabinet body is improved.

The invention relates to the field of waterproof coatings, and discloses a nano densified polymer-based waterproof coating and a preparation method thereof. The preparation method comprises the following steps: (1) sequentially adding aluminum trichloride and nano zeolite powder into water, and filtering and drying to obtain an aluminum trichloride/zeolite powder composite material, (2) carrying out ball milling treatment on the composite material, then adding polyvinyl alcohol and water, and uniformly stirring to obtain a polyvinyl alcohol coated aluminum trichloride/zeolite powder compositematerial, and (3) uniformly mixing the composite material with barite powder, nano silicon dioxide, polymer redispersible rubber powder, Portland cement and a thickening agent to obtain the nano densified polymer-based waterproof coating. The polymer-based waterproof coating prepared by the invention contains the polyvinyl alcohol-coated aluminum trichloride/zeolite powder composite material, so that the defect can be slowly filled with the stone aluminum trichloride when the coating has the defect, and meanwhile, a gel film is formed to seal micropores, so that a waterproof layer is denser, and the waterproof performance of the waterproof coating is improved.

The invention discloses energy-saving and environment-friendly high-strength fast-permeable concrete and a preparation method thereof.The energy-saving and environment-friendly high-strength fast-permeable concrete is prepared from 25%-35% of natural rock particles, 15%-20% of ceramsite aggregate, 7%-15% of sinking beads, 5%-10% of cementing materials, 5%-10% of silica powder, 5%-10% of water and 5%-10% of reinforced cement materials; based on the total weight of the concrete, the proportion of the cementing material is 10-16%, the proportion of the silica powder is 8-15%, the proportion of the water is 10-20%, and the proportion of the reinforced cement material is 15-25%. According to the energy-saving and environment-friendly high-strength quick-permeable concrete and the preparation method thereof, the quick-permeable honeycomb structure and the reinforced cement material are arranged, so that the energy-saving and environment-friendly high-strength quick-permeable concrete has a certain void ratio, can achieve the effects of water drainage, skid resistance, sound absorption, noise reduction and water seepage, improves the water permeability and air permeability, can also improve the use strength of cement, and is suitable for being used in a large scale. The concrete has good high temperature resistance and fire resistance and is more convenient to form, and the use strength of the concrete is improved.

The invention discloses a waterproof material for polystyrene boards and gypsum boards of building walls. The waterproof material is prepared from the following raw materials in parts by weight: 8-10parts of cement clinker, 6-10 parts of quick lime, 10-15 parts of a polyethylene emulsion, 15-20 parts of a paraffin emulsion, 4-8 parts of glass fibers, 3-6 parts of borax, 3-6 parts of sodium alginate, 3-5 parts of a grinding aid, 3-4 parts of sodium methyl silicate, 2-6 parts of hydroxyethyl cellulose, 2-4 parts of sodium tripolyphosphate, 2-4 parts of triethanolamine, 2-3 parts of aluminum potassium sulfate, 2-3 parts of dodecyl ethyoxyl sulphobetaine, 1-3 parts of polyacrylamide, 1-2 parts of calcium lignosulphonate and 50-80 parts of water. During construction, only 1mm of the material needs to be smeared on a polystyrene board wall body and a gypsum board wall body, after air drying, the surface layer of the wall surface is cleaned and polished to be flat, construction is convenient, time and labor are saved, the polystyrene board wall body and the gypsum board wall body treated through the material can completely eradicate the phenomena of alkali efflorescence, falling, moisture regain, mildewing and hollowing of the wall bodies, the service life of the polystyrene board and the gypsum board of the building wall body is greatly prolonged, and the cost is low.

The invention relates to the technical field of building mechanical equipment, and discloses a fluidized bed assembly of a bulk cement tanker. The fluidized bed assembly comprises a cylindrical tank body, a fluidization cavity protruding downwards is arranged at the bottom of the tank body, and the two sides of the fluidization cavity incline towards the lower part of the middle part. According to the fluidized bed assembly of the bulk cement tanker, a fluidized bed is arranged in the fluidization cavity protruding downwards, cement can freely slide down into the fluidization cavity at the moment, arrangement of a material sliding plate is avoided, the space utilization rate is increased, and the cement loading capacity is greatly improved; and meanwhile, a support is connected with the tank body from side face for supporting, the gravity center of the vehicle is kept at a low level, the running stability of the vehicle is improved, secondly, only the cement in the fluidization cavity is fluidized, and the cement in the tank body naturally slides down, so that the pressure requirement on gas is greatly reduced, and even if the canvas working condition is poor, the stress change in a local area is relatively small, and the stress is ensured to be within the load range.