31results about How to "Damage quality" patented technology

The invention provides a semiconductor element. Formation of an amorphous layer on the surface of a silicon substrate can be avoided by growth of a metal protection layer and a metal oxide protection layer on the substrate; and crystal lattice difference of the metal oxide protection layer and a III-IV family buffer layer is reduced by a transition layer so that crystal quality of the III-IV family buffer layer is enhanced. The invention also provides a preparation method. Formation of the amorphous layer near the interface of the silicon substrate can be avoided by the method, and generation of cracks can be avoided. Meanwhile, a high-quality multilayer buffer structure deposited by a PVD method, and a gallium nitride or indium gallium nitrogen or aluminum gallium nitride epitaxial layer grown on the high-quality multilayer buffer structure are fully utilized to manufacture a light-emitting diode element or a transistor element.

The invention discloses a silk guide mechanism of a two-for-one twister for spinning. The mechanism comprises a bracket, an upper supporting plate, a lower supporting plate and a silk guide wheel, wherein the two ends of the lower supporting plate are fixedly arranged on the bracket respectively, the silk guide wheel is positioned in the middle of the upper supporting plate and the lower supporting plate and fixedly arranged on the bracket, the two ends of the upper supporting plate are fixedly arranged on the bracket respectively, the left side and the right side of the silk guide wheel are provided with a left chuck and a right chuck correspondingly, the silk guide wheel is provided with an upper guide wheel groove and a lower guide wheel groove, the upper side and the lower side of theleft chuck and the right chuck are each provided with a heat conduction mechanism, the upper guide wheel groove is provided with an upper silk guide ceramic sheet, the lower guide wheel groove is provided with a lower silk guide ceramic sheet, the upper silk guide ceramic sheet is rotatably connected with the left chuck and the right chuck, and the lower silk guide ceramic sheet is rotatably connected with the left chuck and the right chuck. The flexibility of the silk guide wheel is improved, and the tension of silk threads is improved.

The invention discloses a fruit selling machine realizing split charging and conveying, relating to the fields of fruit conveying and packing devices. The device comprises a bracket, thermal insulation boxes, a conveying mechanism and a recycling device, wherein a sliding chute is arranged in the bracket, cold sources and magnets are arranged in the thermal insulation boxes, the conveying mechanism comprises a first gear, a second gear and a reversing gear capable of realizing meshing, and the recycling device comprises a recycling box and a recycling channel. With the fruit selling machine realizing split charging and conveying, the problem that during fruit selling on the market, squeezing and damage are easily caused when fruits are stacked together, is solved, and the invention mainlyprovides the fruit selling machine realizing split charging and conveying which can avoid fruit squeezing and can prevent the damage to the quality of the fruits since the fruits are stirred during the process that consumers select the fruits, and also can automatically recycle the fruits with poor appearance and in deterioration.

The invention discloses a filterable cutting type high-efficiency crushing machine for chemical processing. The crushing machine comprises a main body, a grinding chamber and a containing chamber. A funnel is fixed to the upper portion of the interior of the main body. A containing box is arranged on the left side of the main body. The funnel and the main body are fixedly welded. A cutting chamberis arranged below the funnel. A first motor is mounted on the right side of the cutting chamber. A grinding jar is arranged in the grinding chamber. The grinding chamber is located on the right sideof the main body. Through arrangement of the containing box, chemicals can be placed onto the main body conveniently; the containing box and a rotary shaft form a rotary structure; the chemicals are placed into the containing box, the containing box is turned over through the rotary shaft, and the chemicals are directly placed into the main body to protect human hands from making contact with thechemicals and prevent the quality of the chemicals from being affected; the chemicals can be cut through the cutting chamber, and the external shape of the cutting chamber is in a U shape. In this way, the chemicals are prevented from adhering to the sidewall of the cutting chamber, and the chemicals can be discharged into the containing box from a leak plate.

The invention relates to the technical field of coating filling equipment, and discloses a heat insulation coating filling facility. The heat insulation coating filling facility comprises a machine platform. A filling position is arranged on the machine platform, a coating box is arranged above the filling position and connected with a filling pipe, and a filling valve is arranged on the filling pipe in a rotating mode. A protective mechanism is arranged on the machine platform, and comprises a rotating shaft, wherein the rotating shaft is arranged in a rotating mode. The rotating shaft is connected with a reciprocating driving mechanism, a driving gear is fixedly connected to the rotating shaft, and meshes with a driven gear, and the driven gear is fixedly connected with a lead screw which vertically penetrates through the machine platform. The lead screw and the machine platform are connected in a rotating mode, and a matched sliding sleeve is arranged on the lead screw in a sleevingmode. A stretching rod is arranged between the sliding sleeve and the machine platform, and the two ends of the stretching rod are fixedly installed on the machine platform and the sliding sleeve correspondingly. Baffles are fixedly connected to the sliding sleeve, located on the side of the filling position and used for sheltering a splashing coating. By means of the heat insulation coating filling facility, the problem that due to the fact that the coating is prone to splashing, the processing environment and filling barrels are contaminated can be solved.

The invention belongs to the technical field of fat or grease oil refining, and discloses a production method of functional walnut oil rich in biological organic selenium. The production method comprises the following steps: selecting mildew-free walnuts, removing shells of the walnuts by using a shell removing machine, conveying obtained walnut kernels with shells to a walnut kernel skin removingmachine to remove walnut kernel skins, and producing qualified high-quality refined walnut oil by using high-tech physical walnut oil squeezing equipment and high-tech physical refined oil refining equipment; under a sterile condition, adding biological organic selenium or biological nano-selenium into the refined oil in a 55-75 DEG C constant-temperature heating stirrer, and uniformly stirring;and bottling by using a filling machine, filling nitrogen and sealing to form the functional walnut oil rich in biological organic selenium. The qualified high-quality refined walnut oil is obtained,the taste and quality of the walnut oil are remarkably improved, and the impurity content of the walnut oil is greatly reduced; meanwhile, biological organic selenium or biological nano-selenium is added to form a new organic-selenium-rich functional walnut oil commodity which has market requirements and is beneficial to human health, and the quality and additional value of the walnut oil are improved.

The invention discloses a fixing device for machining a bearing. The fixing device comprises a mounting base plate and a bearing plate; the two ends of the mounting base plate are each provided with abolt; the bearing plate is arranged at the middle position of the top of the mounting base plate and at one side of each bolt; the middle position of the top of the bearing plate is provided with a fixing seat; an inner arc is arranged at the inner side of the fixing seat; an oil dividing pipe is arranged inside the fixing seat and is connected with oil inlets; the surface of the inner arc is provided with first hydraulic telescopic rods; and the top end of each first hydraulic telescopic rod is provided with a driving roller. In the fixing device disclosed by the invention, the bearing is bidirectionally fixed by the fixing device by virtue of the fixing seat and an inner fixing disc so as to guarantee the stability of the bearing in a machining process; meanwhile the clamping force of the fixing device can be enhanced by utilizing the first hydraulic telescopic rods and second hydraulic telescopic rods; a traditional manual fixation way is not required; and the operability of the fixing device is improved.

The invention provides a drying box realizing uniform heating of cut tobacco and relates to the technical field of tobacco processing and drying. The drying box realizing uniform heating of cut tobacco comprises a drying box body; a blower motor is fixedly installed inside the drying box body; blower blades are fixedly installed at the output end of the blower motor; a collection hood is fixedly installed at the top of the drying box body; a discharging opening is formed inside the collection hood; a leakproof cover is fixedly installed at the top of the collection hood; and a ventilation screen is fixedly installed at the top of the leakproof cover. According to the drying box realizing uniform heating of cut tobacco, the cut tobacco is pushed into the drying box body; the blower motor isused for driving the blower blades to rotate to blow up and make the cut tobacco float inside the drying box body; an electric heating wire is used for generating heat to heat the air flow passing through the electric heating wire; and the heated air flow blows the cut tobacco inside the drying box body, thereby achieving the effect of uniformly drying the cut tobacco by virtue of the high-temperature air and solving the problem about quality reduction of the cut tobacco caused by uneven drying of the cut tobacco.

The invention discloses a wallboard butt joint assembly and an assembly type wall surface system. The wallboard butt joint assembly comprises first components and at least one second component; the first components are formed on the side edges of wallboard units; each first component is provided with a butt joint face and a stress face opposite to the butt joint face; the butt joint faces of every two adjacent wallboard units are in butt joint; each second component is fixed on a structural wall body through fasteners, and the second component is provided with a slot with a notch facing the first components of the two adjacent wallboard units and at least one elastic arm inclined towards the interior of the corresponding slot, wherein in the process that two adjacent first components are jointly inserted into the slot of the corresponding second component, the elastic arms avoid the first components through the elastic arms, so that the elastic arms apply elastic force to the stress surface of at least one corresponding first component.

The invention discloses a portable heater with slide electric hot plate for packed drink, which comprises a first heating part, a second heating part, a controlling part and a fixing part, the first heating part comprises a first rear board, a first bottom board, a first side board and a first heating unit; the second heating part comprises a second rear board, a second bottom board, a second side board and a second heating unit; the first rear board and the first bottom board possess a L-shaped hollow interlayer, the left of the hollow interlayer is closed and the right of the hollow interlayer is open, and the second heating part is on the right of the first heating part, the second rear board and the second bottom board is slidably arranged in the interior of the hollow interlayer; the volume of the heater is changeable, thereby the heater is suitable for packed drink of various sizes. The heater can be shrunk to the minimum when the heater is used, thereby the heater is convenient to place and carry.

The invention discloses a shunt dust removal device for tea, comprising a dust removal frame; the bottom of the dust removal frame is provided with a vibration base; a vibration motor is mounted inside the vibration base; the vibration base is connected with the bottom of the dust removal frame through the vibration motor; the dust removal frame is composed of a shunt dust removal frame, a dust deposition bin, a filter screen, an air outlet housing and a fan mounting bin; the fan mounting bin communicates with the shunt dust removal frame through the air outlet housing; the shunt dust removal frame communicates with the dust deposition bin through the filter screen; the shunt dust removal frame is composed of six shunt dust removal channels; and rotating motors are mounted inside the shunt dust removal channels. A fan of the shunt dust removal device is used for blowing air to remove dust on the tea, and the rotating motors drive electromagnetic stirring shafts to rotate to sufficiently stir the tea, so that the contact area is increased, the normal operation of blowing air to remove dust is ensured, the dust removal effect is good, the quality of the tea cannot be damaged, and the work efficiency is increased.

The invention discloses high-efficiency PVC film production humidifying equipment. The high-efficiency PVC film production humidifying equipment comprises a frame, a second humidifying mechanism usedfor conducting primary humidifying on a PVC film, a first humidifying mechanism used for conducting secondary humidifying on the PVC film and a driving part used for driving the first humidifying mechanism to rotate. The first humidifying mechanism and the second humidifying mechanism are matched with each other. The high-efficiency PVC film production humidifying equipment achieves two-time humidifying on the PVC film through the first humidifying mechanism and the second humidifying mechanism, the humidity of the PVC film is improved, it is guaranteed than the whole PVC film is humidified completely and the PVC film is humidified uniformly; the temperature of the PVC film can be reduced, the efficiency of the subsequent cooling process is improved, and the production requirements duringthe subsequent cooling process are reduced.

The present invention relates to a process for preparing an isocyanate by reacting a primary amine with phosgene, comprising I) providing an amine solution, II) providing a phosgene solution, III) mixing the amine solution with the phosgene solution in a mixing unit, followed by IV) further conversion in an adiabatically operated reaction zone and the removing of the gas phase formed as a result of the chemical reaction in a separation zone, V) expanding the remaining liquid phase in two or three stages, VI) further conversion of the liquid phase remaining after the last expansion stage in anindirectly heated reaction zone and VII) isolating the isocyanate from the reaction solution obtained therein.