248results about How to "Good stability and security" patented technology

The invention relates to inorganic thermal-insulation mortar used for building exterior walls of buildings and a preparation method thereof. The invention is characterized in that the thermal-insulation mortar comprises the following components in part by weight: lightweight aggregate 100-150, binding material 100-150, fly ash 10-60, and additive 8.72-11.36. Compared with the prior art, the inorganic thermal-insulation mortar has the advantages of high weather resistance, high aging resistance, long service life, high fireproofing and flame-retarding performance, energy conservation and environment protection.

Peptides are provided having an excellent safety, stability due to relatively low molecular weights thereof, and cell growth promotion, which are different from cell growth factors produced by abnormal cells such as tumor cells. Peptide compositions which are excellent in promoting cell growth containing partial peptides of one or more peptide chains selected from peptide chains forming noncrystalline portions constituting silk protein. The partial peptides have specific amino acid sequences formed of four to forty amino acid residues. This invention has succeeded in providing novel peptides excellent for cell growth by separating and fractionating peptides, having specific amino acid sequences of molecular weights not higher than 10,000, preferably ranging from 4,000 to 400, from the noncrystalline portions of silk protein as well as by synthesizing peptides similar to such peptides. These peptides may be used for biomaterials such as a cell adhesion agent, cell growth-promoting agent, wound healing promoting agent, skin care material like cosmetic material or the like, and cell culture substrate.

Disclosed is an ultrahigh large-span concrete cast-in-place beam bailey truss framework construction method. The measures such as erecting lattice columns and bailey trusses are adopted. The method comprises the steps of arranging a lattice column foundation, erecting the lattice columns, mounting cross bridgings among the columns, installing a top movable head, erecting cover beams, erecting the bailey trusses, installing distributive beams, mounting a side protective barrier, laying a keel, laying templates and the like. A simple framework supporting system which is small in occupied site, solid and reliable and convenient to install and disassemble is formed, a great deal of conventional steel tube floor scaffold material input is avoided, and at the same time, the labor intensity of workers is also reduced. The ultrahigh large-span concrete cast-in-place bailey truss framework construction method can adapt to ultrahigh large-span concrete cast-in-place beam projects in various building constructions.

A technology for increasing the capacity of tailing site for metal mine features that the dam of the said tailing site is further built upward vertically along the axis of upper sub-dam and a hydraulic cyclone is used to discharge the coarse particles outside the damp and stack the fine particles inside the dam. Its advantages include high effect, and high safety.

A short message center system and an implementation method thereof are disclosed in the present invention, to implement the short message center system with multi-network multi-plane structure. The short message center system includes a virtual short message office and at least two short message offices. Wherein the short message office includes a signaling processing module, a service processing module and SMPP AGENT module, the virtual short message office includes a forwarding module and a returning module, the forwarding module is used to, when the module of short message office is faulted, forward a message to be processed by the faulted module to a corresponding module in another short message office to be processed, the returning module is used to return a processing result to the short message office with faulted module.

The invention provides a prefabricated concrete wall panel installation and emplacement orientation adjustment device and a construction method thereof, and belongs to the technical field of prefabrication and assembly, in order to solve the problems that the existing prefabricated concrete wall panel construction and installation efficiency is low, the process is complicated, and the installation quality can not be ensured. The adjustment device includes a funnel-shaped structure formed by vertical plates and a base, each vertical plate includes an upper bent portion and a lower vertical portion, the bottom end of each vertical plate is vertically and fixedly connected with the base, the base is fixedly connected with a floorboard through embedded bolts, and the two vertical plates located at the same side of a prefabricated concrete wall panel are fixed through a connection rod to form a cavity which can contain the prefabricated concrete wall panel. The invention further provides the construction method of the prefabricated concrete wall panel installation and emplacement orientation adjustment device, the problem that the prefabricated concrete wall panel is difficult to rapidly and accurately emplace and adjust is solved, and the prefabricated wall panel installation efficiency is improved.

A wheel safeguard assembly for a two-wheeled vehicle installed on a bottom of a main body includes: two guide columns respectively attached on two sides of a rear end of the main body; a base disposed across the rear end of the main body and behind a real wheel of the two-wheeled vehicle; two rollers respectively pivoted on two sides of the base such that a front wheel and the real wheel of the two-wheeled vehicle and the two rollers are all aligned in one plane; two set of rotatable linkages, one end of each linkage respectively pivoted to the two sides of the rear end of the main body, and another end of each linkage respectively pivoted to the two sides of the base adjacent to the rollers; two guide slots respectively formed in the two sides of the base and each guide column disposed in each guide slot, such that the front wheel and the rear wheel are guided to enable swinging and drive the rotatable linkages to pull the front wheel and the rear wheel back to a center position.

The invention provides a coal seam drilling coal-gas-water separating, conveying and containing device, comprising a dynamical-static combined type sealing and rapid mounting collector, a coal-gas separating conveyor, and a coal-water separator, wherein the collector is connected with the tail end of a hole protection tube, and is provided with a gas pump drainage opening, a coal and gas conveying opening and a drilling opening; a sealing structure sealed with a drilling rod is arranged at the drilling opening; the coal-gas separating conveyor is provided with a buffer separator, a coal-water conveying system and a supporting system; the buffer separator is provided with a gas pump drainage opening and an overload discharging door; the coal-water conveying system is a sealed system, and is communicated with the buffer separator through the overload discharging door; an output end of the coal-water conveying system is connected with the coal-water separator through a connection pipe; and the coal-water separator comprises a dewatering system, a conveying system and a supporting system. With the adoption of the coal seam drilling coal-gas-water separating, conveying and containing device provided by the invention, not only can coal, gas and water sprayed out in a drilling process of a de-dusting coal seam be effectively separated, contained and conveyed, so that the efficiency of using drilling on the coal seam can be improved; but also the stronger safe protection can be provided, and the coal seam can be safely drilled.

The invention relates to an underground bicycle garage for a rotating mechanism at an accurately controlled angle. The underground bicycle garage comprises an assembling type supporting unit and a central conveying unit, wherein the assembling type supporting unit is composed of a cage type barrel and a plurality of layers of bicycle storage racks peripherally arranged on the inner wall of the cage type barrel facing an axial center position; the central conveying unit is mounted at the axial center position of the assembling type supporting unit, the central conveying unit is composed of parallel rotating guide rails, a synchronous belt type lifting mechanism, a shaft support type rotating mechanism and a conveying table, a laser distance measuring sensor is fixedly mounted at one side end part of the conveying table, a reflecting plate is mounted at the end part of each bicycle storage rack, and the signal output end of the laser distance measuring sensor is connected to a control system. The underground bicycle garage can complete grabbing, lifting, accurate rotation and pushing of bicycles, the bicycles can be placed on the bicycle storage racks at right positions, the quantity of the stored bicycles is large, the ground space is saved, and the underground bicycle garage is reasonable in structure, good in safety and stable and efficient in operation.

The invention discloses an oil-in-water type emulsion preparing method and the application of the oil-in-water type emulsion in organic waste gas treatment. The oil-in-water type emulsion is prepared from, by mass, 1-20% of oil, 0.1-5.0% of emulgator, 0-1.0% of additive, and the balance water. The preparing method comprises the steps of dissolving emulgator in water while stirring, increasing the temperature to 20-60 DEG C, adding oil, conducting stirring for 0.5 h, and then adding additive and conducting stirring for 0.5-1.5 h, so that the oil-in-water type emulsion is obtained. The oil-in-water type emulsion is wide in raw material source, low in price, easy and safe to transport, store, prepare and use, and low in production cost. Furthermore, the oil-in-water type emulsion application technology is simple, pollutant removing efficiency is high, blistering is avoided, and application range is wide. By the adoption of the emulsion, aromatic hydrocarbon removing efficiency is larger than or equal to 90%, ester removing efficiency is larger than or equal to 90%, ketone removing efficiency is larger than or equal to 90%, and hydrocarbon removing efficiency is larger than or equal to 80%.

Peptides are provided having an excellent safety, stability due to relatively low molecular weights thereof, and cell growth promotion, which are different from cell growth factors produced by abnormal cells such as tumor cells. Peptide compositions which are excellent in promoting cell growth containing partial peptides of one or more peptide chains selected from peptide chains forming noncrystalline portions constituting silk protein. The partial peptides have specific amino acid sequences formed of four to forty amino acid residues. This invention has succeeded in providing novel peptides excellent for cell growth by separating and fractionating peptides, having specific amino acid sequences of molecular weights not higher than 10,000, preferably ranging from 4,000 to 400, from the noncrystalline portions of silk protein as well as by synthesizing peptides similar to such peptides. These peptides may be used for biomaterials such as a cell adhesion agent, cell growth-promoting agent, wound healing promoting agent, skin care material like cosmetic material or the like, and cell culture substrate.

The invention provides a continuously moving-type control rod hydraulic drive device of a nuclear reactor, which comprises a drive cylinder barrel, an internal sleeve, a runner sleeve, a lower end cover, a piston, a hollow piston rod, a servo tube, a leading screw, a shift-stopping assembly and a power source (a motor and a water pump). The control rod hydraulic drive device takes a refrigerant (water) in a pressure container of the nuclear reactor as a working substance, and the refrigerant (water) flows along a flowing channel formed internally therein after being pressurized by a water pump; the motor and the auxiliary moving servo tube of screw transmission are used for changing the width of a changeable choke formed between the end surface of the servo tube and the inner bottom surface of the hollow piston rod so as to change the pressure at two sides of the piston and drag a control rod fixedly connected with the outer end of the hollow piston rod to move. The control rod hydraulic drive device has the advantages that since no electron device required for solenoid drive exists, the requirement on working environment is not high; the continuous movement of the control rod can be realized; the drive device has simple structure and convenient processing and is easy for operation and programmed control; the limitation change range of the pressure and flow of working water is relatively wide, and the drive device has good safety and stability.

The invention relates to a simplified jack which is rapid and labor saving and is composed of a diamond lifting platform, a head seat, a chassis and a guide screw, wherein the left end of the lifting platform is provided with a nut, a sleeve is arranged at the right end of the lifting platform, the two ends of the guide screw are respectively sleeved in the nut and a bucket, and a labor-saving speed reducer is disposed at the right end of the lifting platform. The invention also relates to an operating crank of the simplified jack which is rapid and labor saving, which comprises a handle and an operating head provided with an operating hole corresponding to an operating handle of the jack, and the handle is hinged on the operating head. The jack of the invention has the advantages of good safety and stability, simply operation, convenient and labor-saving operation, reliable functions, small volume, convenient carrying, low costs, strong adaptability, long service life and good stability, which can be used by the old and women and can not be limited by drivers' force in the time of using. The operating crank handle is laborsaving and convenient in usage.

The invention discloses large radial gate lifting equipment comprising a bridge erecting machine provided with a loading and unloading channel, wherein the top of the bridge erecting machine is provided with a lifting trolley which a stretches across the loading and unloading channel and can move along the loading and unloading channel, the lifting trolley is provided with a winch, and the winch is arranged above the loading and unloading channel. The large radial gate lifting equipment disclosed by the invention can conveniently realize the lifting of a large radial gate of a dam; and the stability and safety of a lifting process are guaranteed. The invention also discloses a lifting method adopting the large radial gate.

The invention discloses a technology and device for cooling and purifying high-temperature and high-pressure biomass synthesis gas. The technology comprises the following steps of: (1) subsection cooling, namely cooling the high-temperature and high-pressure biomass synthesis gas coming out of a biomass gasifier to 350-550 DEG C by process water, recovering waste heat to produce medium-pressure steam, and after that, cooling the biomass synthesis gas to 100-300 DEG C, and recovering waste heat to produce low-pressure steam; (2) collecting and removing tar; (3) washing and purifying; and (4) treating the biomass synthesis gas by a wet type electrostatic precipitator, wherein the pressure of the treated biomass synthesis gas is 0.1-1 MPa. The device mainly comprises a tube shell type waste heat boiler, a dry-type gas filter, a vertical smoke tube waste heat boiler, a packless venturi scrubbing tower and the wet type electrostatic precipitator. The technology and the device can be used for controlling appropriate technological parameters by the optimal design of the technical scheme, thus realizing subsection cooling of the biomass synthesis gas, cascade recycling of the waste heat, gradual dust removal and the purification target of tar removal. The technology and the device are simple in equipment, smooth in technology, low in energy consumption, high in efficiency, high in safety and stability and good in economic benefit.

The invention discloses a full-human-derived anti-CD19 monoclonal antibody. The full-human-derived anti-CD19 monoclonal antibody comprises a human-derived light-chain variable region and a human-derived heavy-chain variable region, and is characterized in that the light-chain variable region comprises CDR L1, CDR L2 and CDR L3 sequences shown in table 1, and the heavy-chain variable region comprises CDR H1, CDR H2 and CDR H3 sequences shown in table 1. The invention further provides a preparation method of the full-human-derived anti-CD19 monoclonal antibody. The anti-CD19 monoclonal antibody is a full-human-derived antibody, has lower immunogenicity, will not generate anti-mouse antibodies and can be widely applied to the medical field of immunization.

The present invention provides the catalyst precursor that has excellent safety and stability, has high stable activity retention rate, can be recycled, increases yield resulted from a reaction, and is easily processed into various forms. The catalyst precursor comprises a structure in which the entire structure is composed of gold or a gold-based alloy and the surface of the structure is modified with elemental sulfur, or at least the surface of the structure is composed of gold or a gold-based alloy and the surface of the structure is modified with elemental sulfur, and a catalytic metal compound supported on the structure, wherein the catalyst precursor has peaks derived from the catalytic metal compound and also sulfur as analyzed by photoelectron spectroscopy, and wherein the peak derived from sulfur is of the sulfur 1s orbital observed within a range of 2470 eV±2 eV in terms of the peak top position.

The invention relates to an electric climb support molding device and relative synchronous climbing control method. Wherein, a ring of radial beam is connected to the lifting platform, which is connected to the operation support; each operation support comprises a inner operation support, a outer operation support, and a climbing support, while the outer one is embedded movably connected to the climbing support; each concrete cylinder has a anchor holes through with anchoring elements, which are connected to the climbing shoes; the climbing shoes are connected to the hook of climbing support; each climbing support is mounted with a driving motor connected to the speed reducer, whose output axle is connected to the lifting screw; a operation support is connected between the lifting screw and the screw cap; the outer operation support is mounted with a impact block matching the range limiter of climbing support. The invention has lower cost, with better stability.

The invention relates to a river way wave-dissipation and bank-protection module and a river way wave-dissipation and bank-protection structure. The bank-protection module comprises a net cage which is arranged on an outer layer and is formed by braiding metal wires, a gravel structure filled into the net cage, wherein the net cage is in a wooden-horse-shaped structure with trapezoidal transverse and longitudinal sections; the gravel structure comprises a first gravel layer arranged on the lower layer and a second gravel layer arranged on the upper layer; the bank-protection structure comprises at least two rows of the bank-protection modules which are arrayed in a near river bank in a triangular shape; a still water region is formed between the bank-protection modules and the river bank; aquatic plants are planted in the still water region. The river way wave-dissipation and bank-protection structure provided by the invention creates a new water flow boundary so that effects of controlling and guiding a water flow and protecting a bank are realized. Furthermore, the river way wave-dissipation and bank-protection structure also provides an ecological gallery for aquatic organisms through forming gentle water flow conditions and ecological chains, and good conditions are created for reproduction and inhabitation of the aquatic organisms, so that a stable ecological system is formed.

The invention relates to the field of research, development and preparation of lithium batteries, in particular to a composite system power battery with high safety and long service life and a preparation method of the composite system power battery. The preparation method of the power battery comprises steps as follows: 70%-90% of LiNi0.6Co0.2Mn0.2O2 and 10%-30% of LiMn0.8Fe0.2PO4 are mixed, sufficient mixing and pulp preparation are performed in cooperation of high-conductivity carbon nanotubes, then, pulp is subjected to coating, rolling and slitting, and a positive plate is prepared; as for a negative electrode, synthetic graphite is mixed with acetylene black, sufficient mixing and pulp preparation are performed, pulp is subjected to coating, rolling and slitting, and a negative plate is prepared; cells are prepared according to the desired size from diaphragms by the aid of a wet-method polyethylene substrate, an aluminum oxide ceramic coating and a binder PVDF, then, liquidation ingredients are injected, the battery is prepared, and used electrolyte adopts a high-molar-concentration mixed solvent system of multiple compound additives. The retention rate of the prepared battery reaches 88% after 1,200 cycles of cycling at the normal temperature and reaches 87% after 680 cycles of cycling at the high temperature of 45 DEG C, and the battery has excellent heat stability, energy density, normal-temperature and high-temperature cycling performance and excellent safety and can be widely used for electric automobiles and related products.

The invention discloses a drawer type online defoaming machine and a defoaming process of the drawer type online defoaming machine. The drawer type online defoaming machine comprises two carrying manipulators, two transfer platforms, a drawer type defoaming mechanism and a material taking and placing manipulator, the drawer type defoaming mechanism is arranged on a machine platform, the material taking and placing manipulator straddles above the drawer type defoaming mechanism, the two carrying manipulators are arranged on the two sides of the drawer type defoaming mechanism, and the two transfer platforms are arranged at the two ends of the material taking and placing manipulator correspondingly and located between the material taking and placing manipulator and the carrying manipulators.An independent drawer-shaped defoaming space is adopted to form a defoaming environment, the loading and unloading time and the defoaming time of a glass sheet are effectively shortened to about 5min, the glass sheet is independently loaded, independently loaded and independently unloaded by sliding feeding assemblies of the drawer type defoaming mechanism, and the sliding feeding assemblies cansimultaneously carry out loading, unloading or defoaming, so that it is ensured that the whole line equipment does not stop working, the whole line productivity is greatly improved, and product defoaming safety and stability are high.

The invention discloses a cast-in-situ construction method of beam flange plates of acoustic barriers through movable mold base vehicles, and relates to the technical field of bridge construction. The cast-in-situ construction method comprises the specific construction technological processes of preparing for construction; assembling the mold base vehicles; enabling the mold base vehicles to run to proper positions, and inspecting equipment; enabling templates to drop off to proper positions; enabling finish rolling screw-thread steel to be mounted; binding reinforcing bars, and placing embedded parts; mounting hanging molds and explorators; casting concrete; disassembling molds; lifting bottom molds and shifting to another site. According to the construction method disclosed by the invention, the problem that the cast-in-situ construction of flange plates of a high pier is difficult is solved; besides, the construction method is safe and reliable, and is simple and convenient to apply.

The invention belongs to the technical field of steel pipe spraying, and particularly relates to a steel pipe tower rod hot zinc spraying system for electric power. The problem that hot zinc spraying consumes manpower and is low in spraying efficiency is solved. According to the scheme, the steel pipe tower rod hot zinc spraying system comprises a workbench, two supporting columns with the same size are fixed to the outer wall of the top of the workbench, a top plate is fixed to the top ends of the supporting columns, a rectangular groove is formed in the outer wall of the bottom of the top plate, a T-shaped block is connected to the inner wall of the rectangular groove in a sliding mode, threaded rods are rotationally connected to the inner walls of the left side and the right side of the rectangular groove through bearings, a second motor is fixed to the outer wall of the right side of the top plate, and an output shaft of the second motor is connected with the threaded rods through couplings. According to the steel pipe tower rod hot zinc spraying system, the second motor is started, the output shaft of the second motor drives the threaded rods to rotate, the threaded rods rotate to drive the T-shaped block to move left and right, then a spray head is driven to move left and right, a steel pipe body is sprayed, the length of an electric telescopic rod and the angle of the spray head are adjusted, and therefore more attractive spraying is achieved.

A wheel safeguard assembly installed on a bottom of a main body of a two-wheeled vehicle includes: two guide columns attached on respective sides of a rear end of the main body; a base disposed across the rear end of the main body and behind a rear wheel of the vehicle; two rollers pivoted on respective sides of the base; two rotatable linkages, one end of each linkage pivoted to the respective side of the rear end, and another end of each linkage pivoted to the respective side of the base adjacent to the rollers; two guide slots formed in the respective sides of the base and the guide columns disposed in respective guide slots.

The invention discloses a tunneling machine. The tunneling machine comprises a heading machine body and a tightly supporting shield, wherein the heading machine body is connected with a propulsion oilcylinder, the tightly supporting shield is arranged in back of the propulsion oil cylinder and used for providing reaction thrust for the propulsion oil cylinder, and the outer side of the tightly supporting shield is provided with transition rings used for axially supporting duct pieces spliced on the wall of a tunnel to balance the axial load of the duct pieces. The tunneling machine has the advantages that during tunnel construction with better geological conditions, duct piece splicing is not performed on the wall of the tunnel, the tunneling machine still can achieve normal tunneling andstepping, the construction efficiency can be improved, and the construction cost is reduced; in a transition section between construction with duct pieces and construction without duct pieces, ring pieces of the transition rings can support the duct pieces under the support of a supporting mechanism to balance the axial load of the duct pieces so that the load of the duct pieces is balanced so asto keep stability. The provided construction method of the tunneling machine does not need to splice duct pieces on the wall of the tunnel in the same way, the normal tunneling and stepping can be achieved, the construction efficiency can be improved, and the construction cost can be reduced.

The invention provides a continuous production method of a transition metal amido complex. A solution A prepared from a metal alkyl compound and a solvent as main components in proportion and a solution B prepared from organic amine and a solvent as main components in proportion are cooled to the required temperatures and injected into a continuous flow reactor for a reaction, and an intermediatemixed solution containing a solid product enters a dynamic tubular reactor after flowing out of the continuous flow reactor; and a solution C prepared from main components adopting raw materials containing transition metal and a solvent in proportion is cooled to the temperature required for the reaction and enters the dynamic tubular reactor to react with the intermediate mixed solution, and a product mixed solution containing solids is generated, filtered and distilled. Compared with a stirring reaction with a reaction kettle, the method has higher yield, conversion rate and production efficiency, and meanwhile, a production device adopting a special mixing structure and formed by a heat exchange system and a pressure-resistant material has higher stability and safety.

The invention relates to a wave-eliminating bank protecting method of a water purification type riverway. The bank protecting method includes the following steps that the specification of bank protecting modules is determined, the bank protecting modules are prepared and installed, and bank protection ecology is built. Due to the fact that the wave-eliminating bank protecting modules are arranged nearby a water bank of the riverway and are used for retarding a water flow and decreasing the speed of the water flow, a new water flow boundary condition is created, and therefore the effects of controlling and guiding the water flow and protecting the bank are achieved. Meanwhile, a static water micro environment is formed between the wave-eliminating modules and the bank, aquatic plants can be planted, aquatic animals can inhabit in the static water micro environment, and therefore an aquatic animal and plant ecological system is formed, and pollution of bank slope point and face pollution sources on the water quality is relieved. According to the bank protecting method, high-specific-area stones such as zeolite, ceramsite and vermiculite are adopted, stability and water absorption capacity of gravel are achieved, and the effects of purifying water and improving the water quality are achieved by absorbing pollutant substances, such as heavy metal ions, N and P, in water.

The invention relates to the technical field of anchor ropes, and discloses a recoverable anchor rope. The recoverable anchor rope comprises a bearing body module; the bearing body module comprises aguide cover shell opened at one end, a bearing plate, an ejecting mechanism, and an anchor piece arranged in the guide cover shell; the bearing plate is connected with an opening end of the guide cover shell to form closed space; the anchor piece is assembled by multiple parts, and the multiple parts are assembled to form at least one conical hole; a fixing sleeve for fixing the multiple parts issleeved on the outer side of the anchor piece; the outer wall of the fixing sleeve is connected with the inner wall of the guide cover shell; one end of at least one working rope penetrates through the bearing plate and the conical hole in sequence from the outer side of the bearing plate; a first clamping piece is arranged between the working rope and the conical hole; and the ejecting mechanismis used for applying force on the external of the bearing plate to push the fixing sleeve to deviate from the anchor piece to relieve fixation of the multiple parts by the anchor piece. The recoverable anchor rope, provided by the invention, relieves constraint of the anchor piece through movement of the fixing sleeve, realizes easy recovery of the working rope, and achieves high unlocking speed.

The invention discloses a method for restoring the frictional surface and the wearing surface of metal and mixed powder specially used in the method and relates to a restoring method and mixed powder used in the method. The method solves the problems that the prior restoring method has slow restoring speed, unobvious restoring effect and the prior restoring material has no compositions which have the functions of cleaning and activating the metal surface. The method comprises the following steps: A mixed powder which has the functions of cleaning and activating the frictional surface and the wearing surface of the metal is prepared; B mixed power which has the functions of restoring and introducing a material, reacting, releasing heat and increasing heat energy is prepared; the A mixed powder is added into lube of the frictional surface and the wearing surface of the metal; and the B mixed powder is added into lube of the frictional surface and the wearing surface of the metal. The A mixed powder consists of nickel-clad diamond powder, nickelous chloride powder and magnesium stearate. The B mixed power consists of enstatite powder, calcium carbonate powder, rose aurora powder, nickel-clad aluminum powder, nickel iron alloy powder, yttria powder and magnesium stearate. The method and the mixed powder used in the method can achieve the aim of rapidly restoring the micro-disadvantages of the frictional surface and the macro-wearing disadvantages of the wearing surface of the metal.

The invention discloses a production method of an acid-resistant, alkali-resistant and high-temperature-resistant foamed ceramic heat-insulation lining used in a chimney. The heat-insulation lining is prepared from following raw materials, according to certain weight part ratios, clay, bentonite, calcite, dolomite, sandstone, talcum, silicon carbide and a peptizing agent. The production method includes following steps: 1) crushing the raw materials into granular materials being less than 10 mm; 2) stirring and homogenizing the granular materials in a ball mill and wet-milling the granular materials into slurry material in 250 meshes; 3) feeding the slurry material into a drying column, increasing the temperature to 320 DEG C to dry and pelletize the slurry material to obtain pellets; 4) placing the pellets in a kiln car and sintering the pellets in a tunnel kiln at 1200-1250 DEG C; and 5) decreasing the temperature to normal temperature and moving the sintered product after the pellets remains at the sintering temperature zone for 3-10 h, and cutting the sintered product into building blocks according to requirement. The close-pore ceramic heat-insulation material, which is formed through high-temperature roasting to the raw materials blended according to certain weight part ratios and is high in porosity, has the characters of being fire-proofing and flame-retarding, being less in deformation coefficient, is anti-aging, is stable in performance and is toxic-free and environment-friendly. The material is good in compatibility with a wall base layer and a plaster layer, is good in safety and stability, has the same service life of a building, and provides guarantee to heat insulation and high temperature resistance of various chimney buildings.