9results about How to "Improve antiknock performance" patented technology

The application discloses a fiber reinforced bar mesh cutting platform, which comprises a workbench for carrying the mesh, a cutting unit arranged above the workbench, and a detection unit arranged in the workbench. The detection unit comprises a movable detection rod for detecting the position of the mesh, and the detection rod is arranged in parallel with the cutting unit. The mesh is composed of a plurality of first bars and second bars which are connected to each other perpendicularly and cross each other, and the first bars are located above the second bars. The highest point of the detection rod is higher than the lower surface of the first bars. The cutting unit is configured to perform a cutting action when the detection rod is not pressed down by the first bars. By arranging the movable detection rod in parallel with the cutting unit, and by arranging the highest point of the detection rod to be higher than the lower surface of the first bars, the cutting action is performed only when the detection rod is not pressed down by the first bars, thereby effectively avoiding the problem of the cutting unit mistakenly cutting the first bars, and guaranteeing the structural integrity of the mesh and the cutting precision.

The present application relates to a kind of rock platform pre-reinforcement blasting construction method, comprising the following steps: obtaining rock platform pre-reinforcement parameters, and based on rock platform pre-reinforcement parameters, establish rock platform pre-reinforcement model;Based on rock platform pre-reinforcement model, excavate construction area to form working face;First hole site is drilled in working face, which penetrates reserved protective layer and extends into rock platform pre-set depth;Stop slurry isolation device is set at free section, and anchor rod is installed at first hole site, and free section of anchor rod is located in reserved protective layer;Grouting is carried out at anchoring section of anchor rod, forming grouting anchoring section, and anchoring section of anchor rod is located in rock platform;Reserved protective layer is blasted;After blasting, reserved protective layer is cleaned, and rock platform is accepted.The above-mentioned rock platform pre-reinforcement blasting construction method improves the forming face rock platform blast resistance from inside, effectively reduces the secondary damage of protective layer blasting, and effectively maintains the integrity and flatness of profile after blasting.

The application provides an anti-gas explosion impact building structure, comprising: a building foundation; a building side facade fixed on the building foundation to enclose a building indoor area; wherein the building side facade is composed of multiple reinforced steel columns and multiple building wallboards arranged alternately; the building wallboard comprises: two steel structure corrugated plates, and a reinforcing layer and an explosion-proof layer stacked between the two steel structure corrugated plates; a building roof made of two steel structure corrugated plates and an explosion-proof layer arranged between the two steel structure corrugated plates, and the building roof is fixed on the building side facade. The anti-gas explosion impact building structure and the construction method thereof improve the structural strength and the overturning resistance of the anti-gas explosion impact building structure by fixing the reinforced steel columns on the building foundation, the building wallboards and the building roof arranged at the top of the building side facade formed by the reinforced steel columns and the building wallboards, and solve the problems of low building structure strength, easy overturning and weak explosion resistance in the prior art.

The invention belongs to the technical field of building walls, and particularly relates to a prefabricated integral type anti-explosion wall and a construction method thereof.The prefabricated integral type anti-explosion wall comprises a C-shaped steel framework and further comprises a plurality of reinforcing steel bars, the reinforcing steel bars are fixed to the inner side of the C-shaped steel framework, and the reinforcing steel bars are divided into two groups and located on the two sides of the C-shaped steel framework respectively; a plurality of composite steel plates are fixed to the two sides of the C-shaped steel framework and fixedly connected with the reinforcing steel bars, a plurality of through holes are formed in the side walls of the composite steel plates, a plurality of shear-resistant studs are evenly fixed to the side walls of the reinforcing steel bars, the shear-resistant studs penetrate through the through holes of the composite steel plates on the same side, and the shear-resistant studs are distributed on one side of the C-shaped steel framework. According to the construction method, anti-explosion wall plate installation and concrete wall pouring can be completed synchronously, the wall anti-explosion capacity and the connecting strength are improved, the construction difficulty is lowered, the construction efficiency is improved, the wood formwork consumption is reduced, follow-up decoration construction is facilitated, and the building anti-explosion performance can be further improved.

The invention relates to the technical field of explosion-proof electric appliance cabinets, in particular to a pressure-relief explosion-proof electric appliance cabinet which comprises a cabinet body, a pressure relief valve, a positive pressure system and an isolation assembly. The cabinet body comprises an outer shell and an inner shell; the isolation assembly comprises four groups of isolation plates, a pressure relief cavity formed between the isolation plates and the inner shell, and a pressure relief plate connected with the isolation plates; a pressure valve is arranged at the corner angle of the inner shell; a positive pressure cavity is formed between the outer shell and the inner shell, and a mounting cavity is formed in the inner shell; and when high pressure is generated in the mounting cavity, the isolation plate is opened to introduce high-pressure gas into the pressure relief cavity for pressure relief. According to the invention, by arranging the isolation assembly to isolate the electrical components in the inner shell and arranging the pressure relief cavity, secondary disasters caused by internal high-temperature and high-pressure gas leakage can be prevented through the pressure relief cavity when the internal electrical components break down and burn.

A middle partition plate is arranged in the middle of the interior of a frame, a first fireproof plate and a second fireproof plate are arranged in the frame and located on the two sides of the middle partition plate respectively, and a stainless steel panel is arranged in the frame and located on the outer side of the first fireproof plate. The stainless steel back plate is arranged in the frame and located on the outer side of the second fireproof plate, grid reinforcing ribs are densely distributed on the surface of the side, away from the second fireproof plate, of the stainless steel back plate, a plurality of first supporting rods are arranged on one side of the middle partition plate, and a plurality of second supporting rods are arranged on the other side of the middle partition plate. The double-layer fire-proof plate is reasonable in structure, the fire-proof performance of the double-layer fire-proof plate is greatly improved, the whole double-layer fire-proof plate has good structural stability and supporting performance, and therefore the whole anti-knock performance is improved.

The utility model relates to the technical field of doors and windows, in particular to a broken bridge aluminum door and window which comprises a window frame, a window sash arranged in the middle of the window frame and a heat insulation component arranged in the window sash, electric heating wires are arranged in two ports, heat conduction layers are arranged on the upper portion and the lower portion of each electric heating wire, and U-shaped plates are arranged at the left end and the right end of each electric heating wire. An explosion-proof assembly is arranged in the middle of the interior of the window sash, the explosion-proof assembly is sequentially provided with a glass body, an explosion-proof layer, a fireproof layer and a protective layer from inside to outside, the heat insulation assembly comprises a shell and a fixing block arranged in the middle of the shell, and a shock pad is arranged at the bottom of the fixing block. The fireproof layer is arranged on the outer side of the anti-explosion layer so that heat of the glass body can be blocked conveniently when a fire occurs, the sealing strip on the inner wall of the frame opening is tightly attached to a window sash so that smoke and flames outside a house can be prevented from entering a room through a window, and the protection layer is arranged on the outer side of the fireproof layer so that damage of ultraviolet rays to indoor objects can be relieved conveniently.

The invention discloses a pure-carbon-dioxide-resistant anti-explosion ternary fluororubber material and a preparation method of the pure-carbon-dioxide-resistant anti-explosion ternary fluororubber material. The material is prepared by taking ternary fluororubber raw rubber as a matrix, matching magnesium oxide, calcium hydroxide, light carbon black, thermal cracking carbon black, flaky calcium carbonate, a flaky air blocking agent, a WS280 processing aid, palm wax and a fluorine-linked 5 # vulcanizing agent, and carrying out plastifying and mixing, first-stage mold pressing vulcanization and second-stage drying oven vulcanization on the matrix and magnesium oxide, calcium hydroxide, light carbon black, thermal cracking carbon black, flaky calcium carbonate, flaky air blocking agent, WS280 processing aid, palm wax and fluorine-linked 5 # vulcanizing agent. Through the physical barrier effect of the flaky filler and the collaborative design of a specific vulcanization system, the anti-permeation and anti-bubbling performance of the material in a high-temperature and high-pressure pure COenvironment is remarkably improved, and meanwhile, good mechanical strength, suitable hardness and low-compression permanent deformation are kept. The preparation process of the material is compatible with traditional rubber processing, the process is stable and controllable, and the material is suitable for sealing parts under harsh working conditions such as carbon dioxide capture, utilization and storage and has a good industrial application prospect.

This utility model relates to the field of laminated glass and discloses a colored laminated glass, comprising two glass bodies, two fixing plates, and two limiting plates. Limiting grooves are formed on the upper and lower sides near the middle of the two fixing plates, and placement grooves are formed at the upper and lower edges of the two fixing plates. A placement block is fixedly disposed at the middle position of one of the opposite sides of the two limiting plates, and limiting blocks are fixedly disposed at both ends of one of the opposite sides of the two limiting plates. A PVB film is disposed between the two glass bodies. Each glass body includes a hydrophobic film layer, with a glass layer disposed within the inner end of the hydrophobic film layer, and an explosion-proof film layer disposed within the inner end of the glass layer. The hydrophobic film layer is made of siloxane coating, and the explosion-proof film layer is made of polyvinyl butyral. In this utility model, the hydrophobic film layer on the surface of the glass body can effectively prevent moisture adhesion, and the explosion-proof film layer can enhance the impact resistance and explosion resistance of the glass.