79results about How to "Reduce direct damage" patented technology

The invention discloses a pipeline inner wall rust removal device, belonging to the technical field of polishing units. The device comprises a first end cover and a second end cover which are hermetically installed at two ends of the pipeline, a rust removal trolley is arranged in the pipeline, the dust removal trolley comprises a pneumatic motor with dual output shafts, a shell of the pneumatic motor is provided with a plurality of support shafts, the end part of each support shaft is provided with a roller wheel, a grinding disc is fixedly installed on the output shaft of the pneumatic motor, close to the first end cover, and is provided with a plurality of support rods in the radial direction, the end part of each support rod is provided with an abrasive disc, the output shaft of the pneumatic motor, close to the second end cover, is connected with a shot-blasting machine in a transmission manner; the end part of the grinding disc is connected with a traction rope, the traction rope extends out of the first end cover, one end of the shot-blasting machine, close to the second end cover, is connected with a shot feeding pipe, the pneumatic motor is connected with a gas inlet pipe, the shot feeding pipe and the gas inlet pipe extend out of the second end cover. The pipeline inner wall rust removal device can be used for solving the technical problems that the pipeline inner wall is serious in rust removal pollution and the rust removal effect is poor, and can be widely applied to pipeline cleaning.

The invention relates to a press-snorting type heating cigarette smoking set which comprises a braking type heating device and a press type smoke jetting device. The braking type heating device heats cigarettes in a heat radiation mode. The press type smoke jetting device drives a relevant mechanism to compress smoke by pressing a piston support by a user and jets out compressed smoke from a smoke outlet for enjoying of a user. The complicated smoke channel design of a traditional electric heating cigarette smoking set is avoided, local cigarette overheating is avoided, and direct contact between the user mouth and a cigarette holder is also avoided.

The invention discloses a slow-release regulating agent for preventing rumen acidosis and a preparation method thereof, which relate to the field of scientific nutrition of animals. The slow-release regulating agent comprises the following raw material components by gram: 0.3 to 0.5 gram of sodium bicarbonate, 0.15 to 0.17 gram of magnesium oxide, 0.01 to 0.03 gram of nicotinic acid, 0.01 to 0.03 gram of cobaltous sulfate, 0.01 to 0.03 gram of zinc sulfate, 0.01 to 0.03 gram of hydroxypropyl methyl cellulose and 0.3 to 1.5 gram of starch. The preparation method comprises the following preparation steps of: 1. sieving the sodium bicarbonate, the magnesium oxide, the nicotinic acid, the cobaltous sulfate and the zinc sulfate; 2. uniformly mixing the sieved components and an appropriate amount of starch; 3. adding an appropriate amount of absolute ethyl alcohol and stirring for pelletizing; 4. drying and weighing; 5. adding the sodium bicarbonate and mixing uniformly; and 6. calculating tablet weight and tableting. With the invention, the conventional method in which excessive volatile fatty acid produced in a rumen is neutralized by directly filling sodium bicarbonate or adding magnesium oxide is changed. Rumen acidosis is prevented, the treatment effect on rumen acidosis is enhanced, and direct damages to the rumen membranes of ruminants and microbial floras in rumens are reduced.

Disclosed is a vacuum injection machine for tree trunks. The injection machine comprises an injection gun and an injection needle. A gun nozzle, a gun body and a gun handle of the injection gun are in an integrated structure, an injection hole is opened in the injection nozzle and communicated with a piston cavity in the gun body, a piston rod is arranged in the piston cavity, a tail end of the piston rod stretching out of the gun body is connected with an operation rod, the piston cavity is further communicated with a liquid medicine storage device above the gun body, the gun nozzle and the gun body incline downward for 30 degrees to 45 degrees along a horizontal direction, and a vertical pipeline communicated with the piston cavity is arranged on the upper portion of the gun body and connected with the liquid medicine storage device. A one-way valve in the prior art is omitted by inclining the gun nozzle and the gun body downward for a certain angle along the horizontal direction; residual air in a tree hole and the injection gun body is discharged into the liquid medicine storage device through the vertical pipeline in the piston cavity; and accordingly, vacuum injection is achieved, injection resistance is effectively reduced, trunk injection efficiency is improved, and physical damages to trunk transfusion tissues are avoided.

The invention discloses a novel air impermeability detecting sealing plug which comprises a plug housing, a plug piston, a plug piston rod, a sealing rubber ring and a sealing ventilation joint. A cavity with a sealed end is formed by the plug housing and a plug sealing cover. The sealing ventilation joint introduces a gas into a rod cavity in order that the plug piston and the plug piston rod push the sealing rubber ring. The sealing rubber ring is deformed in the radial direction so as to cover and seal the outer wall of a pipe opening and seal the open end of the plug housing. Thus, the opening of a pipe body to be tested is wrapped in the sealing cavity formed by a sealing plug, thereby greatly reducing the direct damage of a pipe opening component to a sealing component and prolongingthe service life of the sealing component.

The invention discloses a roaster with an automatic feeding and discharging mechanism, and belongs to the technical field of roasters. The roaster comprises a roaster door, two supports and a roasterbody, the two supports are positioned at two ends of the bottom of the roaster body respectively, and the roaster door is movably connected to one end of the roaster body; the roaster further at leastcomprises a linkage mechanism, a driving mechanism and the automatic feeding and discharging mechanism; the linkage mechanism is rotationally connected to the outer side wall of the roaster body, andone end of the linkage mechanism is connected with the roaster door; the driving mechanism is located at the bottom of the roaster body and extends to the lower end of the outer side wall of the roaster body; the automatic feeding and discharging mechanism is movably connected to the lower end inside the roaster body; the automatic feeding and discharging mechanism at least comprises a partitionplate, a connecting rod and a sliding base; the sliding base is located on one side of the partition plate, the connecting rod is rotationally connected to the center of the sliding base, and one endof the connecting rod is connected with the roaster door. The structure can effectively enable materials to automatically enter and exit from the roaster door along with opening and closing of the roaster door, reduces direct damage of high-temperature emission to operators in the opening and closing process of the roaster, and improves using safety of the roaster.

The invention discloses a method for producing a ferric trichloride solution through industrial automatic control. The method comprises the following steps of S1, pumping waste hydrochloric acid, generated after steel pickling, into a plate-and-frame filter press through a sealed pipeline, and filtering; S2, feeding filtered waste hydrochloric acid and excessive scrap iron into a reaction tank, and carrying out replacement reaction; S3, adding a ferrous chloride solution subjected to replacement reaction in the step S2 and quantitative scrap iron into a filler absorption tower, and feeding chlorine for carrying out chlorination reaction; S4, filtering the solution subjected to reaction in the step S3, thus obtaining the ferric trichloride solution. The method for producing the ferric trichloride solution through industrial automatic control, provided by the invention, has the advantages that an automatic chlorine feeding method is directly used, so that the method has the advantages oflow production pollution, simple operation, and benefit to reducing direct contact of people and chemical raw materials, has a role in protecting workers and an environment, is a promising hazardouswaste treatment process, and helps to solve troubles of a steel pickling industry.

The invention discloses an attapulgite shaving cream, which adopts the technical proposal that the attapulgite shaving cream consists of modified cream attapulgite clay, stearate, coconut oil acyl ethoxyl sodium sulfonate, sodium dodecyl sulfate, citric acid, mint camphor, nipagin methyl ester, nipagin propyl ester and deionized water. A preparation method for the attapulgite shaving cream comprises the following steps: making slurry, treating with sodium, blending, pulping, grinding, stirring at high speed, emulsifying and canning to produce the finished product of the attapulgite shaving cream. The modified cream attapulgite clay can attach to the surface of the skin well, increases the contact area with the beard, is not easy to dry, has no stimulus, does not cause allergic reaction of the skin, and improves the use effect of the shaving cream. The attapulgite shaving cream has the advantages that the attapulgite shaving cream has good hand feeling, mild performance and rich foam, can soften the beard, clean the skin and smooth the skin, and is suitable for shaving beard and fine hair.

The invention relates to a preparation method of silicosis mouse models. The preparation method of the silicosis mouse models is characterized in that after experiment preparation, isoflurane in an anesthesia machine is adopted to anesthetize mice in a model group, 3 seconds after rapid-shallow breaths of the mice become deep and slow, each mouse is taken out and placed at the center of a palm, the tip of a thumb presses against the underjaw of each mouse, a micropipette is adopted to instill a SiO2 micro-sized particle suspension through the nose of each mouse, the SiO2 micro-sized particle suspension is instilled into the nose wings to be absorbed, closed-chest massage is conducted for 2-3 minutes, then the mice are placed into cages, and after an experiment is finished, the mice are sent back to a normal-temperature animal feed room; only normal saline of the same volume is used for conducting nasal inhalation on mice in a contrast group; weight indexes of the mice are obtained before and after the experiment, the mice are killed at the first week, the second week, the fourth week, the eighth week and the sixteenth week respectively, lung tissue is taken to be pathologically andbiochemically compared and identified, and a model preparation effect is evaluated. According to the preparation method of the silicosis mouse models, a model production technology is stable and efficient; the method can be repeated many times and is noninvasive, environmentally friendly and humanistic, and labor and time are saved.

The invention discloses a rooting cultivation technology for blueberry microbody virus-free seedlings. The technology comprises the following steps: (1) seedbed arrangement; (2) virus-free seedling transplantation; (3) preparation of an ANI medicinal liquid; and (4) transplantation. The invention simplifies the rooting step in bottles, greatly increases the number of cultivation, saves time and cost for bottle rooting cultivation, and can effectively reduce the direct damage of external environment change to tender virus-free seedlings, and reach the cultivating survival rate of above 98%.

The invention provides a high-strength TBM center cutter box and a preparation method. The center cutter box comprises an outer cutter box and an inner cutter box, wherein the outer cutter box is madeof a structural steel material; the inner cutter box is made of a low-carbon medium-alloy structural steel material; and the inner cutter box and the outer cutter box are combined through welding. The center cutter box provided by the invention has the beneficial effects that the inner cutter box is treated with tempering and hardening, connection is realized in a firm of welding of the inner andouter cutter boxes, the inner and outer cutter boxes are formed by a forging technology, and the inner cutter box is made of low-carbon medium-alloy structural steel, so welding stress centralization, cracking and deformation of the inner and outer cutter boxes are reduced; through surface hardening of the inner cutter box, strength and fatigue performance of bearing parts can be enhanced; and through de-stress annealing of the inner and outer cutter boxes, distribution of residual stress during forging formation and welding stress centralization points of the inner and outer cutter boxes canbe reduced.

The invention belongs to the field of mechanical design, and relates to a floatable drill rod connecting device. The floatable drill rod connecting device is installed on a power head spindle and comprises a connector body connected with the power head spindle in a matched mode and a limiting device arranged outside the connector body and the power head spindle. An elastic piece with a floating positioning function is further arranged between the connector body and the power head spindle. The floatable drill rod connecting device has an axial floating function, rigid extrusion and friction between the connector body and threads of a front end drill rod are changed into an elastic gradual change process, the threads of the connector body are effectively protected, and the service life of the connector body is prolonged. By arranging a connecting sleeve, dynamic connection which generates impact for a long time is transferred between the connector body and the connecting sleeve, and thespindle and the connecting sleeve are in pin connection without impact, so that the probability that the spindle is directly damaged is greatly reduced, the maintenance cost is reduced, and the maintenance time is shortened.

The embodiment of the invention relates to an anti-fuse memory cell and a manufacturing method thereof, and the anti-fuse memory cell comprises a substrate which is provided with a selection gate structure, a first doped region and a second doped region, an anti-fuse gate dielectric layer, an anti-fuse gate, and a third doped region. The first doped region and the second doped region are respectively located in the substrate at two opposite sides of the selection gate structure, and the doped ion types of the first doped region and the second doped region are the same; the anti-fuse gate dielectric layer is positioned on the first doped region; the anti-fuse gate is positioned on the anti-fuse gate dielectric layer; and the third doped region is located between the second doped region andthe selection gate structure, the doped ion type of the third doped region is the same as that of the second doped region, and the doped ion concentration of the third doped region is smaller than that of the second doped region. Damage of an electric field to the selection gate dielectric layer can be reduced, so that the reliability of the selection transistor in the anti-fuse storage unit is improved.

The invention discloses a collision buffering device of an automobile seat. Linear bearings are installed on the two sides of the upper surface of a bottom plate, the two sides of a moving plate are connected to sliding parts of the linear bearings, the two sides of the front of the moving plate are connected with the outer ends of spiral springs respectively, and the inner ends of the spiral springs are connected with the bottom plate. An insertion groove/insertion grooves is/are formed in one side/two sides of the rear of the moving plate, a locking pin/locking pins corresponding to the insertion groove/insertion grooves is/are arranged at the rear of the bottom plate, and a reset spring/reset springs is/are installed on the locking pin/locking pins. The collision buffering device has the advantages that once an automobile is severely collided, an automobile body is extruded inwards, passengers dash forward under the action of inertia to pull safety belts, buckles of the safety belts pull the fixed insertion pins inside the device out of the clamping grooves, and the seat is transformed into a moving state from a fixed state. Under the action of restoring force of the spiral springs, the moving plate drives the seat to move backwards along the linear bearings by a certain distance, the seat and the passengers move synchronously, safety spaces are made in front of the passengers, and therefore it is avoided that due to extrusion, the chests and the legs of the passengers are hurt.

The invention belongs to the technical field of bridge inhaul cables, and particularly relates to an anti-icing ultra-durable inhaul cable. The anti-icing ultra-durable inhaul cable comprises cable strands, a protecting jacket coating outer layers of the cable strands, an electric heating wire connected with a power supply, and a switch controlling connection and disconnection between the electricheating wire and the power supply, adhesive tape is arranged on an outer layer of the protecting jacket in a spiral winding mode, the adhesive tape is arranged on the outer layer of the protecting jacket in a coating mode, bulged ribs are arranged on the outer surface of the adhesive tape in the longitudinal direction, and the electric hearting wire is arranged in the adhesive tape. The anti-icing and ice removal functions of the inhaul cable can be achieved while it is ensured that the inhaul cable has weather resistance and wind-rain induced vibration resistance.

The invention relates to the technical field of cosmetics, and in particular to an ultraviolet-proof cosmetic which comprises the following components in parts: 5-8 parts of fish skin collagen, 1-3 parts of dipalmitoyl hydroxyproline, 0.5-0.8 part of ethylenediaminetetraacetic acid disodium salt, 0.2-0.5 part of cationic polyacrylamide, 3-5 parts of a white water lily extract, 1-2 parts of a yucca smalliana extract, 2-4 parts of an aloe extract, 1-1.5 parts of sodium hyaluronate, 1-3 parts of oryzanol, 5-7 parts of glycol distearate, 0.01-0.05 part of melanin powder, 8-12 parts of sodium alginate, 3-4 parts of calcium citrate, 1-1.2 parts of pineapple enzyme, 20-25 parts of glycerol, 3-5 parts of an aloe gel composition and 5-10 parts of a surfactant. The ultraviolet-proof cosmetic provided by the invention is capable of filtering off ultraviolet light and blue light, reducing direct damage to skin, improving anti-oxidation properties of the skin, reducing generation of melanin, reducing melanin pigmentation on the surface of the skin, promoting absorption of beneficial components in the components by the skin, and keeping the skin ruddy and glossy.