32results about How to "Will not damage the internal structure" patented technology

The invention relates to a method for wet-type burning sea sand to produce a high strength building material. The method comprises the following steps: weighing sea sand and slaked lime at a weight ratio of 60-90%: 10-40%, stirring and mixing uniformly, adding sea water, mixing, and performing compression moulding to obtain the building material proximate matter green body; demoulding the green body and performing wet type burning to obtain the building material proximate matter product. Through detection, the breaking strength is 20-24MPa, the adding amount of sea water is 5-20% of sea sand and slaked lime; sea sand is a dinas which is directly exploited on the sea land and corroded by the sea water without being desalted; the wet-type burning process comprises the steps of putting the green body in a hydrothermal reactor, and performing hydrothermal solidification for 9-24h at the temperature of 120-240 DEG C. The local material sea sand in the coastal city and the island with rich reserves and low utilization rate is solidified to form a wall brick, a floor tile, a square brick, an artificial fish reef and an ocean river reinforcing dam; the island building cost and time are greatly saved and the method is particularly suitable for the development and construction of a remote island (such as Nansha islands).

The invention discloses a method for rapidly predicting dry density, out-of-kettle moisture content and a water absorption rate of aerated concrete. The method belongs to the field of new building materials. The method comprises the steps of measuring the size and mass of an aerated concrete test block which is just taken out of a kettle and the mass of the test block reaching saturated water absorption. According to the method, the rapid prediction of the dry density, the out-of-kettle moisture content and the water absorption rate of the aerated concrete are achieved, the problems of long time consumption and complex process of a standard test method are solved, and a new method is provided for product quality management and construction quality control.

The invention relates to a battery flattening and compacting machine, which comprises a rack, a worktable, positioning devices and a flattening and compacting device; the worktable, the positioning devices and the flattening and compacting device are arranged on the rack; the positioning devices comprise a horizontal positioning device and a vertical positioning device; a guide rail is arranged between the horizontal positioning device and the vertical positioning device; the horizontal positioning device comprises two horizontal positioning parts; the two horizontal positioning parts are respectively and symmetrically arranged at two sides of the guide rail; the worktable is movably arranged on the guide rail; the vertical positioning device is located above the worktable; the flattening and compacting device comprises two flattening and compacting mechanisms; the two flattening and compacting mechanisms are respectively and symmetrically arranged at two sides of the worktable by taking the guide rail as the center, and can move towards the direction of the vertical positioning device. The battery flattening and compacting machine disclosed by the invention has the advantages that a to-be-flattened and compacted battery can be flattened and compacted compactly and flatly, the length of cells of the to-be-flattened and compacted battery and the specific distance of flattening and compacting the cells at the left end and the right end of the to-be-flattened and compacted battery can be accurately controlled, the operation is simple and convenient, and the flattening and compacting quality is high.

The invention relates to the field of desulfurization towers, and concretely relates to a coke oven gas desulfurization tower. The coke oven gas desulfurization tower comprises a shell, two observation mechanisms, a gas inlet tube, a driving mechanism, a spraying mechanism, a demisting mechanism, a protection mechanism and a water tank. The protection mechanism is fixed in the shell, and the protection mechanism prevents sulfur-containing flue gas from rising along the tower wall of the desulfurization tower and a sprayed circulating liquid from being sprayed on the tower wall, so obstructionof thick incrustation formed on the tower wall to the desulfurization tower is prevented; and spirals of a spiral tube included by the spraying mechanism are communicated through a communication, so the spiral tube is easily stabilized, the circulation of circulating water in the spiral tube is benefited, and the spraying force of the circulating water sprayed from nozzles is increased.

The invention relates to a method for loading nano platinum on an activated carbon fiber. The method comprises the following steps: mixing and heating the activated carbon fiber and magnesium powder to react, and washing after the reaction is finished, thereby obtaining a reamed activated carbon fiber; and then loading nano platinum on the reamed activated carbon fiber to obtain the activated carbon fiber loaded with nano platinum. According to the method, the active carbon fiber is subjected to reaming treatment so that the number of macropores is increased remarkably, the pore volume is increased accordingly, and the loading capacity of the nano platinum on the activated carbon fiber is increased. In addition, the invention also relates to a method, the reaming treatment method can realize fine control of internal and external pore structures of the activated carbon fiber, and the pore passage surface of the activated carbon fiber subjected to reaming treatment is slightly changed sothat the binding force between the activated carbon fiber and nano platinum is increased, the nano platinum is loaded more firmly, the stability of the nano platinum is improved, the service life ofthe nano platinum is prolonged and the application prospect is good.

The invention discloses a car brake pad doped with aloe fiber powder. The car brake pad comprises, by weight, 10 parts to 30 parts of dewaxing aloe fiber powder, 6 parts to 12 parts of cashew nut shell oil modified phenolic resin, 6 parts to 12 parts of butadiene-acrylonitrile rubber powder, 13 parts to 25 parts of conditioning agents and 30 parts to 60 parts of filling agents. According to the invention, the aloe fiber powder is used as a reinforcing material and can be well bonded with phenolic resin and padding; aloe fibers can be directly carbonized at the temperature of about 300 DEG C, and an internal structure of friction materials cannot be damaged, so that friction performance is kept stable, and the performance of braking can be greatly improved. When friction heating reaches a certain degree, substances formed by decomposing friction material surfaces can form a layer of even and tough carbonized membrane which is not prone to falling off, so that relative stability of friction coefficients can be ensured to the greatest extent, and meanwhile, heat fading temperature of the materials can be improved to a certain degree.

The invention discloses a spot welding machine. The spot welding machine comprises a platform, a welding main unit and a driving device, wherein the platform is provided with stations (4), an electrode (9) is installed on the welding main unit, and the driving device is used for driving the welding main unit to operate. The welding main unit is installed on a traveling mechanism (14) which can move in the axis direction of a workpiece (8). The working efficiency of the spot welding machine is effectively improved.

The invention discloses tempered glass which comprises a first glass substrate and a second glass substrate. A reinforced glass plate is connected between the first glass substrate and the second glass substrate in a crossed mode, and a hollow cavity is defined by the reinforced glass plate, the first glass substrate and the second glass substrate. A glass base layer is arranged at the left end ofthe second glass substrate, and the left end of the glass base layer is fixedly connected with a connecting layer. The left end of the connecting layer is fixedly connected with a surface layer, andthe right end of the connecting layer is fixedly connected with a first reinforcing column. The right side of the first reinforcing column is inserted into the left end of the glass base layer, and asecond reinforcing column is embedded between the surface layer and the connecting layer and comprises an annular reinforcing shell, a luminous column and a fluorescent column. According to the tempered glass, by means of the luminous column and fluorescent column structure, the tempered glass is more attractive; by means of the hollow cavity structure, the glass has a good heat insulation and sound insulation effect.

The invention belongs to the technical field of discarded metal catalyst regeneration and discloses a catalyst regeneration device based on microwave decoking. The device comprises a microwave source, a circulator, an electric tuner, a rectangular waveguide short-circuit piston and a quartz reaction chamber which are connected with each other in turn; a resonant cavity is formed in the rectangular waveguide; the quartz reaction chamber is located in the resonant cavity and is used for accommodating the inactivated noble metal catalyst and ventilating; the microwave emitted from the microwave source passes by the circulator and the electric tuner and then is reflected by the short-circuit piston and is oscillated in the resonant cavity so as to form a local strong electric field; the coke attached to the noble metal catalyst is heated and oxidized into gas under microwave effect or falls off under the air disturbance, so that the noble metal catalyst can recover activity. The invention also relates to a catalyst regeneration method based on microwave decoking. According to the invention, the use ratio and regeneration efficiency of the catalyst are increased, the energy is saved and the operation is simpler.

The invention discloses a cable metal shielding layer stripping device. The device comprises a driving system, a spring, gears, a needle body, a needle tip, a limiter and a supporting seat; the driving system is connected with the gears, and provides power for the gears; one end of the spring is connected with one end of the needle body, and the other end of the needle body is connected with the needle tip; the limiter is arranged between the needle body and the needle tip; the needle tip penetrates out of the limiter and is used for punching a cable; the gears are arranged on the two sides ofthe needle body, and drive the needle body to move up and down; and the supporting seat is arranged under the needle tip. By punching the cable, rapid stripping of a cable metal shielding layer can be achieved.

The invention discloses a road dustproof self-cleaning system. The system comprises a road pier; a water storage space is formed in the road pier; the inner wall of the water storage space is fixedlyconnected with an atomizing disc; a liquid guide pipe is arranged in the atomizing disc in a penetrating manner; a pressure guide layer is laid on the side, close to the road pier, of a road; a hydraulic cavity is formed below the pressure guide layer; a pressed block is connected into the hydraulic cavity in a sealed and sliding mode; a guide rod is fixedly connected to the side, close to the road pier, of the pressed block; a constant flow block is fixedly connected into the hydraulic cavity in a sealed mode; the guide rod penetrates through the constant flow block in a sealed mode and is fixedly connected with a piston; and the part, located in the constant flow block and the pressed block, of the hydraulic cavity, is filled with low-boiling-point evaporation liquid. According to the road dustproof self-cleaning system of the invention, when vehicles with different body types and weights pass through the pressure guide layer beside the road pier, heat is generated to the pressure ofthe pressed block under a buffering effect, so that the function of outputting cooling water and atomized water under different states is achieved, and air quality is improved.

The invention discloses an electroencephalogram signal detection method based on a tensor method. The electroencephalogram signal detection method comprises the following steps: step 1, establishing aPARAFAC model based on collected electroencephalogram signals; step 2, performing psychological parameter feature extraction on the electroencephalogram signals by adopting an alternating least square method to obtain a psychological parameter matrix, an electroencephalogram tester channel feature matrix and an acquisition environment matrix; step 3, performing identifiability condition analysison the psychological parameter characteristics through the uniqueness of the PARAFAC model; and step 4, performing fast Fourier transform on the psychological generation mechanism of the electroencephalogram signal psychological parameter matrix, and the psychological abnormal factor parameter, so as to obtain an amplitude-frequency characteristic curve of the psychological parameter for later psychological diagnosis and treatment. The tensor of the invention has a research space in expression and analysis of high-dimensional data, and does not destroy internal structures of some data; and psychological characteristic parameters of the electroencephalogram signals are accurately detected and extracted.