239results about How to "Not easy to burst" patented technology

The invention relates to a fireproof material used in an iron runner of a blast furnace cast house, in particular to an iron-runner quick-drying casting material combined with silica sol, which comprises the following raw materials in percentage by weight: 67 percent of Al2O3, 24.8 percent of SiC, 3 percent of carbon element material, 0.2 percent of dispersant, 2 percent of antioxidant and 3 percent of expanding agent. The raw materials are prepared into bone powder and fine powder which are evenly stirred to obtain a finished product. When the iron-runner quick-drying casting material is used, the silica sol in 6-10 percent of the total casting material is added, stirred and cast in an iron-runner die to form a product, and the product is demoulded and roasted under a large fire for 3-4h to yield iron. The invention has the advantages of short trenching time, burst resistance, high construction quality, short roasting time, long service life of the casting material, lightened labor intensity of workers, castoff and waste utilization, energy saving, emission reduction, no environment pollution and environmental protection.

The invention discloses a porcelain pot for an electromagnetic range and a production method thereof. The porcelain pot for the electromagnetic range comprises a pot body which is a lithium and cordierite compound porcelain pot body produced by combining lithium and cordierite ceramic; and a ferrous film layer is arranged at the bottom of an inner surface of the pot body. The production method of the porcelain pot for the electromagnetic range comprises the steps of firing the lithium and cordierite compound porcelain pot body, coating a film containing a ferrous element at the bottom of the inner surface of the pot body, firing under protective gas and finally obtaining the porcelain pot containing the ferrous film layer for the electromagnetic range. The ferrous film layer is coated at the bottom of the inner surface of the porcelain pot, so that the porcelain pot with the ferrous film layer can generate an electric magnetic field when applied to the electromagnetic range; the heat generated by the ferrous film layer under the action of the electromagnetic field is directly used for heating food, so that the ferrous film layer has the advantages of high heating speed and energy source saving; and the porcelain pot body can also effectively avoid the dissipation of the heat. The production method has the advantages of simple process, convenient operation, strong controllability and the like and is beneficial to being popularized and applied.

The invention provides a blue background and mottled spot composite Tang jun glaze and a technology for preparing jun porcelain through the same. Firstly, casing body raw materials are smashed and molded, and a prime casing is fired; then, the prime casing is soaked into blue background glaze slurry to be subjected to glazed, and after the blue background glaze slurry attached to the surface of the prime casing is dried, mottled spot glaze slurry is applied to local points on the surface of the prime casing; after the mottled spot glaze slurry attached to the surface of the prime casing is dried, the prime casing is placed in a kiln to be fired, and then the blue background and mottled spot composite Tang jun glaze jun porcelain is obtained. According to the blue background and mottled spot composite Tang jun glaze and the technology for preparing the jun porcelain through the same, due to the fact that iron elements, copper elements and cobalt elements are added in the blue background glaze according to specific proportions and a secondary glazing mode is used, glaze layer hacking is uniform and is not prone to bursting. The technology breaks through the overglaze color or underglaze color coloring technology adopted by a common mottled spot porcelain, the economic value of the jun porcelain is creatively increased on the aspects of glaze colors and a coating, the technology represents the advanced level of the manufacturing technology in China, and the social value of the jun porcelain is improved.

The material for preparing titanium silicate adsorbent has molar ratio between Si and Ti of 8-20,and the proportion among alkoxide, water and polyethylene glycol of 1 to 5-15 to 0.002-0.005. The preparation includes the steps of sol preparation and titanium silicate preparation. The sol preparation includes partial hydrolysis of ethanol solution of silanolate, adding ethanol solution of titanic alkoxide while heating for complete hydrolysis; and adding polyethylene glycol for condensation to form sol. In the titanium silicate preparation, the sol is prepared into hydrogel through oil-free formation process and the hydrogel is then prepared into nano spherical titanium silicate via washing, drying and sieving. The titanium silicate product has high adsorption performance and is used in producing core of dehumidifying wheel.

The invention provides an equal-length glass tube batch production cutting device which comprises a base and a lift plate. A pad plate is slidably connected to the lift plate, rollers are arranged on the pad plate, a clamping mechanism is arranged on the lift plate, a cutting mechanism is further arranged on the pad plate, a milling mechanism is further arranged on the lift plate, the clamping mechanism includes a first clamping mechanism and a second clamping mechanism, the first clamping mechanism comprises a first motor and a first transmission rod, the cutting mechanism comprises a support and a cutter arranged on the support, a first arc connection plate and a second arc connection plate are arranged on the support, the milling mechanism comprises a side wall and a milling cutter slidably connected with the side wall, and a sliding plate is slidably connected to the pad plate. By using the equal-length glass tube batch production cutting device, cutting and milling of equal-length glass tubes can be completely efficiently, staff's manual operation during the entire process is omitted, potential safety hazards of staff are reduced, production efficiency is improved, and machining cost is reduced.

The invention relates to a sintered brick, and concretely relates to a sintered brick prepared by using phosphogypsum and a preparation process thereof. The phosphogypsum sintered brick comprises the following sintering raw materials, by oven dry weight, 17-29.75 parts of phosphogypsum, 27.6-41.4 parts of coal gangue or 25.5-38.25 parts of coal slag, 22.5-30 parts of river silt, and 5-15 parts ofa dry powder additive. The phosphogypsum sintered brick of the invention has the advantages of wide raw material source, realization of the resource recovery of the waste phosphogypsum, land resourcesaving, cultivated land protection, full utilization of the phosphogypsum waste which is extensive and easily generates pollution, and environment purification through changing wastes into valuables The obtained phosphogypsum sintered brick which has the advantages of thermal insulation, earthquake resistance and stress resistance, no peeling or distortion, non-frangibility, non-explosion, and high yield of above 99%, is suitable for the industrial production.

This invention discloses one ear small phone to process ear phone front and back shells, wherein, the materials is of good resistance property to absorb redundant vibration besides trumpet to make the sound quality more pure, clear; the materials quality is of good spring and tightness to absorb trumpet.

The invention discloses an atomizer with a nozzle and a flow guide tube prevented from blockage. The atomizer is composed of a flow guide tube, a metal jacket, a nozzle, a heating body A, a ceramic sealing ring, a metal sealing ring, a gasket and the like, wherein a gap between the flow guide tube and the metal jacket is provided with the heating body A; a heating body B is arrange each of gaps of the two Laval-structure air outlet tubes of the nozzle; the inner surface of the metal jacket is provided with a metal reflection film or a sprayed white reflection coating; the lower end part of the metal jacket and the lower end part of the flow guide tube are level; the end part of a gap between the lower end part of the metal jacket and the lower end part of the flow guide tube is sealed by the ceramic sealing ring; and the end parts of the gaps between the two Laval-structure air outlet tubes of the nozzle are in threaded connection and sealed by the metal sealing ring. The atomizer has the functions of effectively preventing metal and alloy from being blocked and solving the blockage problem, is suitable for melt flow guidance for metal or alloy atomization, has the advantages of simple structure and the like, and is convenient to install, and the production efficiency can be improved.

The invention relates to an electric heating pipe for heating liquid. The technical points are as follows: the electric heating pipe comprises a metal pipe, an insulation layer is arranged outside the metal pipe, a heat conducting layer is arranged between the metal pipe and the insulation layer, a heating membrane is arranged outside the insulation layer, and electrodes for leading current to the heating membrane are arranged on the heating membrane. The electric heating pipe has a simple structure and high heat transfer performance and safety performance, and the whole device can be effectively prevented from explosion.

The invention discloses a production method of a stainless steel band used for an internal round diamond blade. The production method comprises the following steps: rolling a stainless steel cold-rolled intermediate blank with thickness of 0.6-1.2mm at least once by adopting a 12-roller cold rolling mill unit, thus obtaining a rolled semi-finished stainless steel band with thickness of 0.2-0.6mm, and carrying out solution treatment every time after the rolling; then rolling the semi-finished stainless steel band with thickness of 0.2-0.6mm by using the 12-roller cold rolling mill unit to obtain a finished stainless steel band with thickness of 0.1-0.12mm; and finally, cleaning and continuously relieving stress. By using the production method disclosed by the invention, the stainless steel band can be made after steps such as semi-finished product rolling, solution treatment, finished product rolling, cleaning, stretching, bending, straightening treatment and stress relieving treatment. The produced internal round diamond blade utilizing the stainless steel band has the characteristics that the hardness is easier to control, and the hardness scope can be controlled within Vickers hardness HV+/-15. Therefore, in the process of manufacturing the internal round diamond blade, deformation and crack are not easy to occur, the blade service life is long. the blade can be used for about 1500 times, and the production cost is also reduced.

The invention discloses silk-screen UV glaze printing ink and a preparation method thereof, and belongs to the technical field of printing ink and preparation thereof. The printing ink is prepared from 28-32% of epoxy modified acrylate, 18-22% of urethane acrylate, 8-12% of tri(propylene glycol)diacrylate, 18-22% of 1,6-hexamethylene diacrylate, 6-10% of a 184 macroinitiator, 3-7% of an active-amine auxiliary photoinitiator, 0.8-3% of an organosilicone flatting agent, 0.8-3% of an organosilicone antifoaming agent and 3-7% of fumed silica, and is prepared by processes of mixing, stirring at a high speed, grinding, and the like. The preparation method is simple. The printing ink prepared by the method has a transparency effect and a matte effect, thus satisfying a conceive of applying the technical quality of blue and white porcelain and other famous porcelain in history to packaging and printing, and simulating the glaze quality, of the porcelain, that is mild and humid like jade. The printing ink provided by the invention has high environmental protection property. The VOCs smell residue totally reaches requirements of the national standards.

The invention relates to a baked brick, in particular to a baked brick prepared from white mud of a paper plant and a preparation process thereof. Baking raw materials of the white-mud baked brick provided by the invention comprise the following components in parts by weight according to absolute dry weight: 28-36 parts of the white mud, 27.6-41.4 parts of coal gangue, 12-20 parts of project dregs or 13.5-22.5 parts of shale, and 5-15 parts of clinker. The white-mud baked brick provided by the invention has the advantages of wide resource of the raw materials and reutilization of the waste pollutant white mud, so that the land resource is saved, the cultivated land is protected, the white mud of the paper plant which has a wide range and great amount and is easy to cause secondary pollution is sufficiently utilized, wastes are changed into valuable things and the environment is purified. The white-mud baked brick provided by the invention has the advantages of heat preservation and heat insulation, seismic resistance and pressure resistance, no peeling or hoarseness, and uneasiness of being crushed and burst, and the yield can reach to be more than 99 percent, so that the white-mud baked brick is applicable to industrial production in a large scale.

The invention discloses a carbon fiber quartz heating tube with long service life, which comprises a quartz tube body. A carbon fiber heating wire, electrodes connected with both ends of the carbon fiber heating wire, air suction pieces arranged on the two electrodes fixedly and respectively and molybdenum rods connected with the other end of each of the two electrodes respectively are respectively arranged in the quartz tube body; and the other end of each of the two molybdenum rods is respectively connected with an external lead through molybdenum pieces arranged in two pressure heads. The carbon fiber quartz heating tube has the advantages that: the air suction pieces arranged in the quartz tube body can absorb air which is not exhausted in the quartz tube body and volatile substances generated in the using process to improve the using temperature of the carbon fiber quartz heating tube; simultaneously, because the quartz heating tube body is vacuum and the length of a cooling area is long, the carbon fiber quartz heating tube can bear high temperature, the pressure heads are difficult to burst and crack, and the service life is long; and when bursting, the carbon fiber quartz heating tube cannot generate bursting effect and is safe to use.