530results about How to "Improve discharge effect" patented technology

The invention relates to a flexible automatic production system for combined fireworks, which comprises an automatic tube rolling machine, a conveyer, a mud filling machine, a cake assembling and fuse inserting machine, a wrapping machine and a manipulator. The system is characterized in that firstly tubes are rolled through the automatic tube rolling machine and are stored in a tube storage basket, the tubes are fed to the mud filing machine for mud filling, cake assembling and fuse inserting after the tubes are dried, then the tubes are wrapped and reinforced by the wrapping machine, the tubes are righted and fed to the inlet port of the manipulator, propelling charges, effect part tubes, a first paper layer and a second paper layer are sequentially filled into the tubes after cake assembling, face paper and labels are stuck, products are boxed and sealed by a boxing and sealing machine and then the finished products are conveyed by the conveyer to a finished product warehouse; and materials among equipment of the entire system are conveyed by adopting the conveyer, and the loading position and the unloading position of each equipment are provided with photoelectrical conversion switches which are used for controlling the startup and the shutdown of the conveyer. Since the materials in the system are conveyed by the conveyer and the startup and shutdown of the conveyer are controlled by the photoelectric conversion switches, the materials are accurately conveyed in time, the product quality and the production efficiency are guaranteed, and the defects that manual handling in the past is time-consuming and labor-consuming and safety accidents are apt to occur are avoided.

The flush toilet of the present invention has: a bowl portion (14) including a waste receiving surface (20), a rim portion (22), a shelf portion (24), and a concave portion (26); a discharge passage (18) for discharging waste; a first spout port (28) for spouting flush water on a shelf portion (24) of the bowl portion (14) to form a circulating flow; a second spout port (30) for spouting flush water in the same direction as the circulating direction of flush water spouted from a first spout port (28) and toward the rear of the bowl portion (14); a first water conduit (32) for supplying flush water to the first spout port (28); and a second water conduit (34) for supplying flush water to the second spout port (30). The first and second water conduits (32, 34) are formed so that the flow rate of flush water spouted from the second spout port (30) is greater than the flow rate of flush water spouted from the first spout port (28).

The invention discloses a shellfish discharge device for artificial breeding. The shellfish discharge device is low in labor intensity, suitable for large-batch discharge, good in discharge effect and capable of improving the shellfish fry survival rate. The shellfish discharge device comprises a vertical guide rod, a guide sleeve, a vertical sleeve body, a placement barrel, a piston body, a connecting shaft rod, a connecting shaft sleeve and a lifting air cylinder, wherein the vertical guide rod is arranged on a boat body, the guide sleeve is arranged on the vertical guide rod in a slidable mode, the vertical sleeve body is arranged on the boat body, the placement barrel is arranged in the vertical sleeve body in a slidable mode, the piston body is arranged in the placement barrel in a slidable mode, the connecting shaft rod is coaxially arranged on the piston body, the upper portion of the connecting shaft rod is sleeved with the connecting shaft sleeve, and the lifting air cylinder is arranged on the boat body and used for lifting the connecting shaft sleeve.

The invention discloses a medical waste treatment device convenient for residue medicine liquid separation. The medical waste treatment device comprises a bottom plate and an extrusion crushing box, wherein two symmetrical rotating press plates are arranged inside the extrusion crushing boxes; the edge sides of the two rotating press plates are hinged to the inner wall of the extrusion crushing box; the upper end of the extrusion crushing box is provided with an opening; a crushing cutter blade is arranged on the outer side wall of the lower end of a rotating vertical shaft; two opposite extrusion plates are arranged inside the extrusion crushing box; pushing and pressing rods passing through the side wall of the extrusion crushing box are arranged at one opposite sides of the two oppositeextrusion plates; the upper end of the connecting seat is hinged to a pushing connecting rod; the top end of the pushing connecting rod is hinged to the outer side wall of a rotating sleeve arrangedon the outer side wall of the rotating vertical shaft. The medical waste treatment device has the advantages that the structure is simple; the compaction and crushing treatment is realized on the medical waste; meanwhile, the residue medicine liquid can be discharged; the environment pollution is avoided; the medical waste space is reduced; the transportation and the recovery are convenient; the practicability is higher.

The invention relates to an electrochemical machining method and an electrochemical machining device for a pulsating flow field tube electrode, and belongs to the technical field of electrochemical machining. The method comprises the following steps of: 1, adjusting the flow and the pressure by controlling an action of a spool of a servo valve (9) by a pressure servo execution module (4), and outputting a pulsating electrolyte solution to an electrochemical machining area; 2, modulating a control instruction phase by using a control system of an electrochemical machining machine tool according to a pressure and voltage feedback signal, so that the pressure of the machining area is matched with the voltage pulse rhythm; and 3, dynamically adjusting a feeding speed and the machining voltage by using the control system of the electrochemical machining machine tool so as to machine a hole with a variable section in regular change. The method and the device provided by the invention have important meaning for increasing the flocculent product discharge rate and the machining stability of the electrochemical machining of a neutral saline solution deep hole tube electrode.

The invention relates to a plant material cutting pulverizer which comprises a stand, a casing, a discharge hole, a rotating cutterhead, a hammer group, a material suction fan, a main power shaft, an electric motor and a power transmission mechanism, wherein the rotating cutterhead is arranged on the main power shaft; the rotating hammer group is also arranged on the main power shaft; the side face of a hammer crushing chamber near the rotating cutterhead is provided with a lateral feed hole; and a circumference tangential feed hole is arranged above the casing. The plant material cutting pulverizer is characterized in that a particle size regulator for regulating the particle size of pulverized materials is arranged at the discharge side of the hammer crushing chamber; and the particle size regulator comprises a material suction fan blade, a regulator installation rack, a regulating piece and a horn-shaped material collecting cover, wherein the material suction fan blade, the regulator installation rack and the regulating piece are respectively arranged on the main power shaft; and the horn-shaped material collecting cover is arranged on the casing for regulating the size of a discharge channel of the pulverized materials. The traditional mode that the pulverizer filters particles through a screen stencil is changed to the mode of regulating the particle size of the pulverized materials by the regulator, both dry and wet raw materials can be pulverized and processed, the brush wood of woody plants and plant straws of herbaceous plants can be processed, and the output is enhanced by more than one time as comparison with common pulverizers.

The invention provides an anti-static film, which comprises a substrate and a coating formed on the substrate, wherein micropores are formed on the surface of the substrate; the coating is made of a resin pressure-sensitive adhesive which contains a reticular structure formed by nano-wires. The invention also provides a preparation method of the anti-static film. According to the anti-static filmand the preparation method thereof, when the anti-static film is used, the anti-static film can be attached to the surface of a liquid crystal display screen by virtue of the resin pressure-sensitiveadhesive in the anti-static film, and static electricity can be directly discharged to the air by virtue of the reticular structure of the nano-wires formed in the resin pressure-sensitive adhesive and the phenomenon that the nano-wires discharge electricity at the tips in the micropores of the substrate. The anti-static film has an excellent discharge effect and is convenient in operation.

The invention relates to an electrolytic milling-grinding machining tool cathode with efficiency and precision and an electrolytic milling-grinding method, and belongs to the field of electrolytic milling-grinding composite machining. According to the electrolytic milling-grinding machining tool cathode and the electrolytic milling-grinding method, a plurality of arc-shaped grooves at equal intervals are formed in the lower end of the side wall of the tool cathode, the side walls of the grooves are insulated, and diamond abrasive particles are inlaid in the wall surfaces of the portions, except for the grooves, of the side wall of a cathode base body through a resin binder, so that electrochemical anodic dissolution only exists in the surfaces of the portions, opposite to the grooves, of aworkpiece, at the moment, the depths of the grooves become a part of a machining gap, accordingly the contact depth between the diamond abrasive particles in the portions, except for the grooves, ofthe side wall of the cathode base body and the machining surface of the workpiece is increased, then the grinding effect of the diamond abrasive particles on the workpiece in the electrolytic milling-grinding process is enhanced, and the precision and the surface quality of the electrolytic milling-grinding machining can be improved; and moreover, compared with the electrolytic milling-grinding finish machining under the low current density in the past, the tool cathode can adopt higher current density, and the machining efficiency can be improved.

The invention discloses a control method and controlling device of front-loader washing machine and a front-loader washing machine. The method comprises starting a drain valve of a front-loader washing machine at first set intervals to drain water from a washing drum of the front-loader washing machine, when a spinning instruction is received; continuously and repeatedly controlling the rotational speed of a motor of the front-loader washing machine change into a second rotational speed from a first rotational speed and then change into the first rotational speed from the second rotational speed, when that the water level in the washing drum reaches up to a first preset height is detected, and controlling the drain valve to drain water according to a rotational speed of the motor, so as to quickly discharge foam in the washing drum. The control method is simple in control mode with no additional devices, the cost is reduced, the effect that foam can be normally discharged is distinctly improved, the problem that spilled foam influences a washing machine can be solved, and the availability of the washing machine can be raised.

The invention relates to a feed supply device for aquaculture. The feed supply device comprises a machine frame and a feed storage box, wherein at least one vertical separating plate is arranged in the feed storage box, the bottom end of the feed storage box is provided with through holes, a control device is arranged on the machine frame, and comprises a retaining plate, a push rod and a control plate, and the bottom end of the retaining plate is provided with a control assembly. The feed supply device has the advantages that feed in the feed storage box is controlled by the control plate on the push rod to firstly pass through the through holes and then be discharged, and the feed is conveyed to a guide assembly through the retaining plate, and then is controlled to be uniformly dispersed and discharged, so the supply amount of the feed is effectively controlled according to the cultured species, the waste of the feed in culturing areas is avoided, the deterioration of water quality is reduced, and the labor intensity of a culturing person in the cleaning process is reduced; the interior of the feed storage box is separated into at least two material storage cavities by at least one vertical separating plate, the storage of the feed at different phases can be guaranteed, the discharging of the feed is controlled through different through holes, the discharging effect is good, the feed supply device is suitable for culturing different aquatic products, and the practicality is high.

The invention relates to a fireworks product, which comprises an outer cylinder with a sealed end, and an inner cylinder arranged in the outer cylinder, wherein the sealed end of the outer cylinder is provided with a small hole for an outer igniter cord; the inside of the outer cylinder is provided with propellant powder; the inner cylinder is provided with a small hole for an inner igniter cord; the inner igniter cord is contacted with the propellant powder; and the inside of the inner cylinder is provided with propellant powder. The fireworks product contains effective powder comprising red light powder, unpacking powder, igniting powder, sounding powder and black powder, wherein the red light powder comprises 43 percent of potassium perchlorate, 30 percent of powered alloy, 20 percent of strontium carbonate, 7 percent of hexachlorobenzene and 7 percent of phenolic resin; the unpacking powder comprises 50 percent of potassium perchlorate, 30 percent of powered alloy and 20 percent of aluminum powder; the igniting powder comprises 18 percent of potassium perchlorate, 7 percent of powered alloy, 12 percent of brimstone, 47 percent of potassium nitrate and 16 percent of charcoal; the sounding powder comprises 18 percent of powered alloy, 3 percent of brimstone, 5 percent of potassium nitrate, 52 percent of minium and 22 percent of copper oxide; and the black powder comprises 7 percent of potassium perchlorate, 6 percent of powered alloy, 9 percent of brimstone, 60 percent of potassium nitrate and 18 percent of charcoal. The fireworks product can generate flowery red light when set off, and simultaneously has high safety.

The present invention provides an olfactory display (10) which includes a housing (12) that has a spray opening (22) and presents aromas in a temporally and spatially limited range. An aroma chamber (14) that has an in-draft opening (26) and an aroma outlet (24) linked to the spray opening (22) is formed in the housing (12), and an aroma source (20) in a solid form is accommodated in this aroma chamber (14). In addition, a blowing force source (16) provided with a diaphragm (34) to which a piezoelectric element (32) is attached is provided in the aroma chamber (14). When an aroma is presented, air inside the aroma chamber (14), which includes an aroma component in a gaseous form volatized from the aroma source (20) by the blowing force source (16) blowing air into the aroma chamber (14) from the in-draft opening (26), passes through the aroma outlet (24) and is sprayed from the spray opening (22).

The invention relates to a calcium sulfate composite oxidant for fireworks and crackers and a preparation method thereof, belonging to the technical field of chemical raw materials of the industry of the fireworks and crackers. The oxidant takes calcium sulfate and iron oxide as a main body assisted by barium nitrate, takes potassium permanganate and potassium perchlorate as initiators, and is added a small amount of an active agent. The preparation method comprises the following steps: roasting gypsum (calcium sulfate dihydrate), smashing, adding a mixed powder body of potassium permanganate and potassium perchlorate, grinding, smashing iron oxide, adding the active agent into the iron oxide powder, and then adding barium nitrate and grinding; and uniformly mixing the two types of ground powder. One of main raw materials of the invention is calcium sulfate which is non-toxic and has low price, and after being roasted the calcium sulfate, the calcium sulfate is not only an oxidant but also a moisture-proof agent and a leavening agent and also is a mechanical sensitivity buffer which is fine and smooth and slippery. Since the composite oxidant of the invention is prepared into the fireworks and crackers according to the traditional method, the fireworks and crackers has the advantages that the burning property is good, the safety is strong, the friction sensitivity and impact sensitivity are zero, and the production cost is greatly reduced.

The invention provides a flushing toilet capable of truly forming a beamed main stream facing an inlet of a drain elbow portion, thus improving sewage discharge performance; specifically, the flushing toilet (1) comprises the following elements: a basin portion (12) having basin sewage bearing surface (16) and an inner edge (18) positioned in the upper edge and having an inner periphery; a drain elbow pipe (14) discharging the sewage; an inner edge water sprayer portion (28) spraying cleaning water from the inner edge water sprayer along the inner periphery of the inner edge, thus forming a convolution flow. The inner edge portion allows the inner periphery to expose to an inner space of the basin portion, thus forming a suspension shape; the inner periphery (30) comprises the bottom face (30a), a side face (30b) extending from the outer end of the bottom edge to an upper portion, and an upper surface (30c) extending from the top of the side face to the inner space; guide portions (40, 50) are formed in the basin portion and used for guiding the cleaning water, sprayed from the inner sprayer portion, to the top of the inner edge portion, to the water can fall to a set position of the basin portion.

The invention discloses an outdoor box-type transformer device, which can circulate airflow in a large area of the box body, the box body structure is more reasonable, and is more conducive to the promotion of heat dissipation effect. The invention comprises a box body and a transformer body arranged in the box body; a lid is arranged on that top of the box body; the box body is installed on the base, and the box body comprises a left side and a right side and two front and rear end faces; an end face is provided with a door plate, an air inlet is arranged at a position close to the bottom ofat least one end face, and an air inlet assembly is installed on the air inlet; the two sides are symmetrically arranged and each side comprises an upper side plate and a lower side plate, and the included angle between the upper side plate and the lower side plate is an obtuse angle; the top plate of the box body is provided with an air exhaust outlet, and the air exhaust outlet is provided withan air exhaust component; the exhaust assembly passes upward through the box cover; the case cover includes a horizontal portion for covering the top plate of the case and an inclined portion arrangedon both sides of the horizontal portion for covering the upper side plates on both sides of the case. The distance between the lid and the box is L, and L is greater than 0.

The invention discloses a pre-dispersed master batch particle for rubber vulcanization cross-linking and a preparation method of the pre-dispersed master batch particle. The pre-dispersed master batch particle comprises, by weight, 30-50 parts of trithiocyanuric acid, 20-40 parts of 1, 1'-dithiobiscaprolactam, 3-10 parts of coupling agents, 3-10 parts of inorganic fillers, 5-10 parts of softening oil, 2-5 parts of processing agents and 5-40 parts of rubber carriers. By the preparation method of the pre-dispersed master batch particle, dispersity of active components is improved, the master batch particle is uniformly discharged, the surface of the particle is smooth, the master batch particle has fine processing performance and is used for preparing rubber materials, vulcanization time is shortened, and the mechanical property of vulcanized rubber is effectively improved.

The embodiment of the invention discloses a vacuumizing control method and system of a VD mechanical pump. The vacuumizing control method of the VD mechanical pump comprises the following steps: detecting a position of a tank cover used for covering a vacuum tank after a steel ladle enters the vacuum tank, judging whether the tank cover reaches a preset position in the vacuum tank, when the tank cover reaches the preset position in the vacuum tank, performing pre-vacuumizing treatment in the vacuum tank, and orderly performing in-tank pressure-holding treatment, deep vacuumizing treatment, pre-vacuum-breaking treatment and vacuum-breaking treatment in the vacuum tank after the pre-vacuumizing treatment. The vacuumizing treatment is performed on the molten steel in the steel ladle in the vacuum tank through the vacuumizing control method of the VD mechanical pump, the equipment damage caused by molten steel slag-overflow in the steel ladle is effectively avoided, the impurities and a large amount of gas in the molten steel can be effectively removed, the cleanliness of the molten steel and the quality of the manufactured steel can be effectively improved.

The invention discloses a voltage balancing method of a high-voltage DC modular multilevel converter (MMC) in fundamental frequency modulation. The voltage balancing method comprises the steps of S1, acquiring capacitor voltage of N sub-modules at the starting time of an i-th fundamental wave period, and selecting x first sub-modules with relatively large capacitor voltages and y second sub-modules with relatively small capacitor voltages in the N sub-modules, and using the residual sub-modules as third sub-modules; S2, controlling for making the capacitor voltages of the first sub-modules at the ending time of the current fundamental wave period smaller than the capacitor voltage of the first sub-modules at the starting time through a first driving signal, controlling for making the capacitor voltage of the second sub-modules at the ending time of the current fundamental wave period larger than the capacitor voltage of the second sub-modules at the starting time through a second driving signal, and controlling for making the capacitor voltage of the third sub-modules at the ending time of the current fundamental wave period equal with the capacitor voltage of the third sub-modules at the starting time; and S3, performing i=i+1, and returning to the S1. The voltage balancing method can remarkably reduce an ordering calculation load in operation of a system and is suitable for any modular multilevel converter in fundamental frequency modulation. When the number of sub-modules in a bridge arm increases, the voltage balancing method has a particularly remarkable advantage in reducing the ordering load.

The invention discloses a scanning type LED display device, wherein the output end of each line driver is connected with the anode of a corresponding line of LED; the output end of the row driver is correspondingly connected with the cathode of the LED connected on the line driver; a line decoder carries out decoding on line selection signals and forms and outputs a plurality of line codes; the output ends of the line codes are respectively connected with the input ends of the corresponding line drivers; the scanning type LED display device also comprises an electric discharge device connected with the output ends of the line drivers; the electric discharge device comprises an electric discharge control circuit and a third electric discharge circuit; the electric discharge control circuit receives the rising and declining change of a line selection signal with the highest frequency in the line selection signals, and outputs electric discharge control signals to control the third electric discharge circuit and guarantee that when or before being lightened, a certain line of LED discharges electric charges at the output end of the line driver connected with the anode of the previous line of LED to eliminate the recessive light of the previous line of LED, which is generated when the certain line of LED is lightened.