35results about How to "Overcome the ills" patented technology

The self repairing tyre for motorcycle includes steel hub and outer rubber tyre on the steel hub, and features that one auxiliary inner tube is set inside the outer tyre to cover the inner surface of the hub and the joint between the outer tyre and the hub and has an inflating nozzle extending beyond the hub and air channel to the inside tyre cavity formed with the hub and the outer tyre, and the inner tyre cavity is covered with one layer of self repairing liquid and inflated to the pressure of 300-680 KPa. The self repairing tyre for motorcycle has excellent self repairing performance of no leakage caused by pricking of the tyre.

The invention relates to the field of coffee extraction equipment, in particular to pressurizing-type portable coffee extraction equipment. The pressurizing-type portable coffee extraction equipment is characterized in that a manual pressurizing cover, a cup body, a pressurizing piston assembly and an integrated filter screen assembly are included; the cup body is of a cylindrical structure of which the upper end and the lower end are open, a partition plate is arranged in the cup body and partitions an internal space of the cup body into a piston chamber and a high-pressure coffee extraction chamber, and a circular sealing groove hole is formed in the center of the partition plate; the pressurizing piston assembly comprises a piston, and the piston is located in the piston chamber; the manual pressurizing cover is provided with an outer thread and is in threaded connection with the upper end of the cup body; the integrated filter screen assembly comprises a filter screen cover, a filter screen and a filter outlet cover, the filter screen is arranged in the filter screen cover, and a circular out-in opening is formed in the filter screen cover. According to the equipment, a pressurized extraction technology and a portable function are combined, and professional concentrated coffee can be made at any place extremely fast and conveniently.

The invention discloses a sealing building block and a production technique. The building block comprises construction waste, cement, perlite powder, yellow sand, pebble, and PVC froth particles; the production technique comprises the steps of crushing construction waste, mixing materials, molding, maintaining and the like. The invention uses construction waste as the main raw material, thus saving land resource, changing waste material into things of value, and having low product cost, simple production technique, better heat insulation and preservation performance, light weight and small contraction, and enhancing the compression strength and shearing resistance of the building block.

The invention provides a heat-insulation and compression-resisting plate, relates to a heat insulation part on a plate vulcanizing machine and provides technology improvement aiming at the defects that an existing heat-insulation is poor, compression-resisting force is not enough and the service life is short. The heat-insulation and compression-resisting plate comprises a frame body, wherein an upper compression-resisting plate is mounted on the upper plane of the frame body and a lower compression-resisting plate is mounted on the lower plane of the frame body; one to nine glass columns for supporting are distributed between the upper compression-resisting plate and the lower compression-resisting plate in every square decimeter; heat-prevention and heat-insulation layers are arranged in residual space; the lower compression-resisting plate is provided with thread holes and cushions are mounted in the thread holes; one ends of the glass columns are inserted into the cushions and the other ends of the glass columns are inserted into holes in the upper compression-resisting plate; pressing covers are arranged at the upper parts of the holes in the upper compression-resisting plate; mounting holes are formed in the upper compression-resisting plate; and nuts are fixedly arranged at the bottoms of the mounting holes. Compared with the prior art, the heat-insulation and compression-resisting plate has the advantages of heat insulation, compression resistance, long service life and convenience for installation.

The invention discloses a preparation method of a beta-cyclodextrin inclusion linseed oil microcapsule, and relates to the preparation method of the beta-cyclodextrin inclusion linseed oil microcapsule. The preparation method aims at solving the problems that linseed oil is easily subjected to oxidative rancidity, and is short in quality guarantee period, and not easy to be evenly mixed with food. The preparation method is achieved by the following steps: 1, dissolving beta-cyclodextrin into an ethanol solution of which the volume fraction is 50-60%; 2, adding absolute ethyl alcohol containing dissolved linseed oil to the solution obtained in the step 1; 3, ultrasonically agitating the solution obtained in the step 2 at certain temperature for 30-40 minutes, then standing, and finally, carrying out vacuum suction filtration, so as to obtain the beta-cyclodextrin inclusion linseed oil microcapsule. The preparation method is applied to the field of food healthcare.

The invention discloses a construction waste block and a method for producing the same. The block comprises construction waste, cement and auxiliary materials. The production method comprises the following steps of: crushing the construction waste, blending and mixing, moulding, maintenance and so on. The construction waste block and the method utilize the construction waste as main material, save land resource, change the waste into the treasure, and have low product cost and simple production process. The construction waste block has good heat insulated performance, improves the pressive strength and the shearing resistance of the block body, and has light weight and small contraction.

The invention discloses a building block and a production process. The block comprises construction waste, cement, lime putty, pearl stone powder, yellow sand and carpolite. The production process comprises the following steps of: crushing the construction waste, blending and mixing, moulding, maintenance and so on. The building block and the production process utilize the construction waste as main material, save land resource, change the waste into the treasure, and have low product cost and simple production process. The building block has good heat insulated performance, improves the pressive strength and the shearing resistance of the block body, and has light weight and small contraction.

The invention discloses a building block and a method for producing the same. The block comprises construction waste, cement, industrial coal slag, fly ash, lime putty and carpolite. The production method comprises the following steps of: crushing the construction waste, blending and mixing, moulding, maintenance and so on. The building block and the method utilize the construction waste as main material, save land resource, change the waste into the treasure, and have low product cost and simple production process. The building block has good heat insulated performance, improves the pressive strength and the shearing resistance of the block body, and has light weight and small contraction.

The invention discloses a press roller device for a vacuum rotary drum filter. In the press roller device (6), two ends of a press roller body (10) are connected with a press roller shaft (9); the press roller shaft (9) is supported on a support arm (8) through a bearing (13), and the other end of the support arm (8) is connected to a bearing pedestal (7) through a pin roll (12); the bearing pedestal (7) is fixed on a frame (4); and a modified nylon material layer (11) is coated on the outer surface of the press roller body (10). The modified nylon material layer (11) in the device has extremely high corrosion resistance and abrasion resistance, can effectively prolong the service life of the press roller device (6); and the rotation of the roller body (10) is smoother and the surface of a rolled filter cake is flatter, so that a scraper cleaning device is not required any more, the filter structure is simplified, the manufacturing cost and operation maintenance cost are reduced, and the defects generated by the scraper cleaning device are effectively overcome.

The invention provides a spray-drying method for preparing metoprolol succinate sustained-release capsules. The method comprises the following steps of: (1) dispersing metoprolol succinate in an oil phase uniformly, and emitting ultrasound to obtain a suspension, wherein the oil phase contains 1 to 10 percent of surfactant; (2) dissolving a macromolecular capsule material in an aqueous solution of ethanol, adding an antisticking agent, a plasticizer and a dispersing agent, stirring uniformly, filtering and preparing an external water phase for later use; and (3) adding the suspension obtainedin the step (1) into the ethanol solution obtained in the step (2), homogenizing and emulsifying to obtain a metoprolol succinate suspension/oil/water (S/O/W) multi-emulsion spray liquid, and spray-drying. The metoprolol succinate sustained-release capsules are rounded in appearance, smooth and clean in surfaces, high in flowability and encapsulation rate, lasting in medicinal effect and high in stability, have the grain diameter of between 30 and 300 micrometers, can control burst release effectively, have an obvious sustained-release effect, and are suitable for large-scale industrial production.

The invention discloses an electromagnet driving type Fabry-Perot optical filter adjustable in wave length. The electromagnet driving type Fabry-Perot optical filter adjustable in wave length comprises a first waveguide structure and a second waveguide structure which are arranged oppositely. The distance between the two waveguide structures is changed through the acting force of an electromagnetic field so that the wave length can be adjusted. The first waveguide structure comprises a first waveguide sleeved with a cylindrical permanent magnet. An electromagnetic coil is arranged outside the cylindrical permanent magnet. A high reflection structural layer is placed on the end face of the first waveguide and is fixed to a metal film elastic sheet. The novel driving mode of electromagnetic force is adopted so that the length of a Fabry-Perot resonant cavity can be changed to achieve wave length tuning. Not only are the advantages of the Fabry-Perot tunable filter fully played, but also the various defects of a piezoelectric ceramic driving scheme are effectively overcome, product consistency is improved, and production difficulty and production cost are lowered.

This invention relates to a tray for mass transfer absorption columns and rectification columns in the chemical industry. The tray includes a radial jetting pipe or a jetting hood, a tray plate, and the like. Ascending gas enters the jetting pipe or the jetting hood through ascending and descending gas passages, and is then jetted from jetting holes in a high speed to generate a large amount of vortexes artificially; after liquid is pushed by the gas to rotate by nearly a round, the liquid enters a tray of the next layer through a fan-shaped overflow pipe. The tray overcomes a plurality of disadvantages of existing trays, greatly increases the contact time and area of gas and liquid phases by utilizing the vertex function, and greatly increases the tray efficiency and the operation flexibility. A heat transfer device can be additionally arranged on the tray. The tray is applicable to pressurized and vacuum absorption columns and various distillation columns.

The invention relates to acetolysis analysis method without acetic anhydride for spore and pollen in the Quaternary Period sediment. It includes the following steps: taking sample preprocessing: removing carbonate rock and silica by dilute hydrochloric acid and hydrofluoric acid, heating by thick hydrochloric acid, filtering; centrifugal dewatering; making solution of acetolysis analysis method without acetic anhydride from 75-85% glacial acetic acid, 15-25% vitriol; adding the solution into sample, whisking, heating, and the ratio is 1:2-3; adding water into the sample after cooling, centrifuging, pouring out the acid solution, adding water and taking centrifugation repeating for 2-3 times to remove acid liquid, adding little water into sample, washing in the ultrasonic wave cleaning machine, sieving, and taking centrifugation and storing. The optimized method the weight ratio of glacial acetic acid and vitriol is 80%: 20%. It is convenience to operate in lab.

The invention discloses a metal suction end for assembling a laser diode, which has the advantages of favorable observation sight line under a microscope, capability of reducing chip surface pressure, high-temperature resistance, low cost and long service life. The metal suction head comprises a metal cylinder (1), a suction hole (2) is arranged in the axle center of the metal cylinder (1), the front end of the metal cylinder (1) is a truncated-cone-shaped head part (3) which is in an integral structure with the metal cylinder (1), the truncated-cone-shaped head part (3) is provided with two wedged faces (4) symmetrical along an axis, and a V-shaped slot (5) with a forward opening is arranged in a center of the front end face of the truncated-cone-shaped head part (3).

The invention discloses a biological viscosity-reducing agent for seatangle composed constituents with weight percent as: 50-60% biochemical seatangle viscosity liquid, 2-15% vitamin H, 3-15% kerogen, 10-25% emulsifier OP-10, with activity performance index: water wetting contact angle less than 70Deg, medium wetting 75-125Deg, and oil wetting contact angle more than 125Deg. The opposite preparation comprises: selecting dried seatangle of 50-60% full weight; cleaning, smashing; bathing with sodium hydroxide to separate seatangle viscosity; taking biochemical emulsification treatment with proper other said material. This product has well viscosity reduction effect to solve existing problem in oil refining with high economic and social benefits.

The apparatus thereof comprises: PDH/SDH/ATM accessing optical path, device accessing and outputting optical path, light wavelength multiplexer and Ethernet data processing circuit. The invention uses the software to monitor the optical IP access interface and the Ethernet interface and to send the alarm. The invention uses light wavelength division multiplexing technology, and adopts the two-cores optical fiber originally used by PDH/SDH/ATM optical network as transmission carrier; based on the no-change of original PDH/SDH/ATM system, the 10/100/1000M or higher IP data transmission channel is embedded into the PDH/SDH/ATM system.