30results about How to "Control shedding" patented technology

The invention relates to a composite biological trickling filter for denitrification and dephosphorization, belonging to the technical field of sewage treatment. The biological trickling filter is cylinder-shaped and comprises a water distributing area, a stuffing layer and a water catch area from top to down; wherein, the water distributing area comprises a plurality of rollers, a rotary water distributor, a water inlet pipe, a water pipe, a water sprayer and tracks; the water inlet pipe is connected with the rotary water distributor, the rotary water distributor is connected with the water pipe which is provided with a water outlet, the water sprayer is positioned below the water pipe and is connected with the rollers; five layers of grid frames are arranged vertically in the stuffing layer, and the grid frames separate the stuffing layer into a grid structure, so that the stuffing layer is successively separated from bottom to top into a stone and sand layer, a composite steel slag stuffing layer, a plaster stuffing layer, a sawdust stuffing layer and a coke layer; the water catch area comprises a header tank, a water outlet pipe and a water catch plate, wherein, the header tank is positioned at the bottom of the trickling filer, and the water outlet pipe is connected with the header tank. By introducing the grid frames, the composite biological trickling filter has the advantages of eliminating the problems of the filter blockage, water accumulation and other defects, effectively improving the aerobic bacteria processing performance of the composite biological trickling filter, efficiently removing COD and simultaneously achieving the effects of denitrification and dephosphorization.

The invention discloses a novel polyvinyl chloride (PVC)/rubber composite micropore partition board. The composite micropore partition board is characterized by consisting of the following components in percentage by weight: 30 to 80 percent of PVC resin, 0.1 to 20 percent of rubber, 0 to 50 percent of inorganic filling phase and 0.1 to 5 percent of conductive agent. The PVC/rubber composite micropore partition board provided by the invention has compressibility and high strength of plastic and resilience and high toughness of rubber, has good response to the volume change of a polar plate in the charge/discharge process of a battery, can play a good durable role in supporting active substances on the polar plate, effectively controls the separation of the active substances, and remarkably prolongs the service life of the battery.

The invention discloses a spraying protection device for an automobile hub bottom mold.The spraying protection device is characterized in that a workbench, an air inlet pipe, a dust collector, an air outlet pipe, a support, a rotation shaft, an adjusting nut, a protection cover, a spray gun, a connecting rod and a spherical hinge are included; the upper portion of the rotation shaft is provided with an outer thread, the upper right corner of the protection cover is provided with an opening, the dust collector is communicated with an inner cavity of the protection cover, the air outlet pipe is connected with the dust collector, the support is installed on the upper left portion of the workbench, the lower portion of the rotation shaft is installed in a hole of the protection cover in a penetrating mode, the upper portion of the rotation shaft is installed on the support in a penetrating mode and connected with the support through the adjusting nut, the spherical hinge is installed on the inner side wall of a right side plate of the protection cover, the connecting rod is connected with the spherical hinge, and the spray gun is installed on the connecting rod.According to the spraying protection device for the automobile hub bottom mold, the structure is novel, operation is simple, the thickness and the uniformity of a sprayed coating are easy to control, and the protection performance is excellent.

The present invention relates to circuit boards, circuit board assemblies and semiconductor devices. The disclosed circuit board includes: a substrate including wiring; a plurality of electrode pads formed on a surface of the substrate and to be combined with external connection terminals of electronic components; and grooves formed on the surface of the substrate around each electrode pad on the In addition, the groove forms a void that separates the lower portion of the electrode pad on the substrate from surrounding elements.

An exterior-applied Chinese medicine in the form of liquid for treating alopecia is prepared from 12 Chinese-medicinal materials including fleece flower root, black sesame, tuckahoe, saffron, etc through steaming, drying in the air, superfine pulverizing, immersing in grains liquor, and filtering.

The invention discloses an anti-hair-loss liquid. The anti-hair-loss liquid is prepared from raw materials in parts by weight as follows: 40-80 parts of fleeceflower roots, 10-50 parts of lightyellow sophora roots, 20-60 parts of divaricate saposhnikovia roots, 35-55 parts of prepared rehmannia roots, 20-60 parts of dried rehmannia roots, 20-60 parts of white peony roots, 35-55 parts of densefruit pittany root-bark, 35-55 parts of Chinese arborvitae twigs and leaves, 30-70 parts of black sesame, 10-50 parts of sessile stemona roots, 10-50 parts of Poria cocos, 15-55 parts of phellodendron bark, 20-60 parts of rhizoma chuanxiong, 10-50 parts of safflowers, 20-60 parts of belvedere fruits, 30-70 parts of eclipta alba, 30-70 parts of mulberry leaves, 35-55 parts of tribulus terrestris, 10-30 parts of Chinese taxillus twigs and 10-30 parts of fructus psoraleae. The raw materials of the anti-hair-loss liquid are common Chinese herbal medicines, the proportion is reasonable, the anti-hair-loss liquid is convenient to prepare, is used through direct smearing, is easy to operate and has the functions of nourishing hair follicles, dissolving hair follicle grease, diminishing inflammation, relieving itching, removing scurf and controlling hair loss, hair loss can be reduced, and the amount of hair meeting the need of normal metabolism can be obtained after the liquid is used for a long term.

The invention belongs to the technical field of aquaculture, relates to a feed additive capable of treating a streptococcal disease of tilapia, and further relates to a preparation method of the feed additive capable of treating the streptococcal disease of the tilapia. The feed additive capable of treating the streptococcal disease of the tilapia disclosed by the invention is prepared from the following components in parts by mass: 33-42 parts of huguenot fern herb, 27-34 parts of Chinese honeylocust fruits, 25-32 parts of pomegranate rinds, 24-30 parts of wild mint, 22-29 parts of cortex fraxini, 21-28 parts of belvedere fruits, 18-25 parts of Chinese redbud bark, 18-24 parts of radix ophiopogonis, 17-24 parts of common ducksmeat herb, 16-22 parts of herb of ciliate bugle, 15-21 parts of lawn pennywort herb, 13-21 parts of common cnidium fruits, 13-20 parts of seeds of whiteflower cacalia, 12-17 parts of radix angelicae dahuricae, 10-18 parts of atalantia buxifolia roots and leaves, 9-15 parts of turmeric and the like. The feed additive disclosed by the invention can effectively treat the streptococcal disease of the tilapia.

The invention discloses an electric binding wire coiling device. The electric binding wire coiling device comprises a case, a base, a bearing block, a coiling block device, a rotating shaft and a servo control device. An NC is fixedly connected with the right end of the case through a support. A servo controller is electrically connected with the NC and a servo motor through wires. An encoder is arranged on the right side of the upper end of the servo motor and electrically connected with the servo controller and the servo motor. The servo motor is arranged at the upper end of the case through the support. The servo motor is rotationally connected with a speed reducer. The speed reducer is rotationally connected with the rotating shaft through a bearing. By means of the electric binding wire coiling device, the efficiency of winding of a binding wire is greatly improved, the wound binding wire is standard and neat, and usage for the work field is convenient. Meanwhile, an original manual binding wire winding manner is thoroughly changed, the work efficiency is improved, and the labor intensity is relieved.

The invention discloses electuary for a puerpera after six months of delivery. The electuary comprises the following raw materials: folium nelumbinis, medicated leaven, parasitic loranthus, rhizoma alismatis, polyporus umbellatus, achyranthes root, semen plantaginis, semen coicis, peach blossom, cubilose, nidus vespae, fleece-flower root, glossy privet fruits, hawthorn, herba lycopi, rose, ginseng flower, moutan bark, bletilla striata, glossy privet fruits and auxiliary materials. The electuary disclosed by the invention can effectively reduce puerpera weight, remove redundant fat, eliminate edema, recover puerpera body shape, remove striae gravidarum, whiten skin, recover skin elasticity, treat puerpera body ache and alopecia, improve puerpera sleep quality and promote puerpera mood improvement; meanwhile, the electuary disclosed by the invention is selected from a traditional Chinese medicine formula, is good in safety and has the characteristics of good convenience in taking, good mouth feeling, high easiness in carrying and the like.

The invention discloses a middle hinge for a refrigerator. The middle hinge comprises a hinge body and a trivalent chromium layer, wherein the trivalent chromium layer is arranged on the outer surface of the hinge body. According to the middle hinge disclosed by the invention, the trivalent chromium layer is arranged on the hinge body so as to increase the corrosion resistance of the hinge body, effectively control the surface rusting phenomenon, enhance the wear resistance of the hinge body, effectively control the peeling phenomenon of the surface coating and ensure the beautiful appearance of the middle hinge. The invention also discloses a preparation method of the middle hinge and a refrigerator with the middle hinge.

The invention relates to an efficiently loaded flocculation sewage treatment device which comprises an adjusting device, a reaction tank, an electromagnetic flocculation device, an extrusion device and a separation magnetic seed/pollutant device, wherein the reaction tank is arranged inside or outside the adjusting device; the reaction tank comprises a tank body; water flow regulation and controlbaffle pieces are arranged at intervals inside the tank body to form flow holes; a certain angle is formed between the water flow regulation and control baffle pieces and the tank body; the electromagnetic flocculation device comprises a second bucket body; a third water inlet is formed in the upper end of the second bucket body; an arc-shaped baffle plate is arranged inside the second bucket body; the arc-shaped baffle plate is arranged around the third water inlet; a waved partition plate is arranged on the inner side of the second bucket body and forms a joint hole with the arc-shaped baffle; a moveable baffle plate is fixedly connected with the upper end of the waved partition plate rotationally; an oscillation circuit and an electromagnetic sensing coil are arranged on the outer sideof the second bucket body. The efficiently loaded flocculation sewage treatment device provided by the invention is high in reaction efficiency, long in service life, easy to maintain and high in popularization and application value.

The invention discloses a draught fan assembly and a household electric appliance with the same. The draught fan assembly comprises a motor support, a motor, an impeller and a flow collection structure. A through hole is formed in the motor support. The motor is fixed to the front side of the motor support. The impeller is located in the through hole and is connected with a motor shaft of the motor. The flow collection structure is arranged on the motor support and corresponds to the through hole. The rear end face of the flow collection structure is located on the rear side of the rear surface of the motor support. The cross section of the flow collection structure is in a circular ring shape. The rotation outer diameter of the impeller is D1, and the inner diameter of the flow collection structure is D2, wherein 1.02D1<=D2<=1.09D1. By means of the draught fan assembly, the air outlet amount of the draught fan assembly is easily increased, and noise of the draught fan assembly is easily lowered; and furthermore, compared with a manner for increasing the air volume of the draught fan assembly in the prior art, reduction of cost is facilitated, the size of the draught fan assembly is reduced, and the use reliability of the draught fan assembly is improved.

The invention relates to the technical field of spaceflight hydraulic system control, in particular to a bistable passive self-holding pilot-operated type electromagnetic valve which comprises a valve body, a first medium cavity and a second medium cavity are formed in the valve body, a medium opening is communicated between the first medium cavity and the second medium cavity, and a first valve element is slidably installed at the medium opening; the valve body is further provided with an inlet cavity, a nick diaphragm is installed between the inlet cavity and the first medium cavity, and the inlet cavity is communicated with the second medium cavity. The pilot mechanism is provided with a pressure relief flow channel, one end of the pressure relief flow channel is communicated with the second medium cavity, the other end of the pressure relief flow channel is communicated with an overflow cavity, the overflow cavity is communicated with the second medium cavity, and a second valve element is installed between the overflow cavity and the pressure relief flow channel. When the valve element of the electromagnetic valve cannot be opened, the pressure on one side of the inlet cavity is larger than that on one side of the first medium cavity, the nick diaphragm is broken through, the inlet cavity is communicated with the first medium cavity, and the electromagnetic valve is opened when the valve element cannot be opened.

The invention provides a fresh-keeping agent capable of inhibiting falling of grape fruits, and a preparation method and an application thereof, and belongs to the technical field of food fresh keeping. The fresh-keeping agent contains, according to per liter of a solution, 10-30 mg of selenized carrageenan, 15-45 mg of selenic acid lipopolysaccharide, 10-30 mg of maleic hydrazide, 20-40 mg of gibberellins, and 120-200 g of a Chinese herbal medicine extraction liquid. The invention also provides the preparation method and the application method of the fresh-keeping agent. The fresh-keeping agent is composed of the Chinese herbal medicine extraction liquid, plant hormones and organic selenium which are harmless to the environment, and can effectively control the fruit falling condition of fresh-eating grapes during postharvest preservation when being used in grape flowering and young fruit periods.

The invention discloses a draught fan assembly and a domestic electric appliance with the draught fan assembly. The draught fan assembly comprises a motor support, a motor, impellers and a flow collecting structure. A through hole is formed in the motor support. The motor is fixed to the front side of the motor support. The impellers are located in the through hole and connected with a motor shaft of the motor. The flow collecting structure is arranged on the motor support and corresponds to the through hole. The rear end face of the flow collecting structure is located on the rear side of the rear surface of the motor support. The height of the impellers is B, and the distance between the rear edges of the impellers and the rear end face of the flow collecting structure is L, wherein L is larger than or equal to 5% of B and smaller than or equal to 30% of B. According to the draught fan assembly, the air discharging amount of the fan assembly is better improved, and noise is lowered.

The invention discloses a pre-splitting blasting excavation construction method for middle and lower layers of a diversion tunnel, and belongs to the technical field of water conservancy and hydropower engineering. The pre-splitting blasting excavation construction method for the middle and lower layers of the diversion tunnel comprises the following steps of excavation of a pore-forming platform, design of pre-splitting holes, charging of the pre-splitting holes, connection, blasting of the pre-splitting holes, design of main blasting holes, charging of the main blasting holes, connection and blasting of the main blasting holes. According to the method, pre-splitting blasting is conducted on the vertical hole of the lower half cave, detonation on the two sides is controlled, the hole body rock mass is separated from the surrounding rock parent body, the flatness of the separation face is high, the forming quality is excellent, trimming operation is reduced, hole body over-excavation is well controlled, the backfill amount of permanent lining concrete is reduced, the engineering cost is reduced, and the lining construction operation time is shortened. The project progress is accelerated.

The invention provides a removal device applied to a ring-pull can stretcher slideway, and belongs to the technical field of ring-pull can production. The technical scheme of the invention is that theremoval device comprises first slideways and second slideways fixedly connected with the first slideways, wherein blocking bars are fixedly arranged between the first slideways and the second slideways; the blocking bars are arranged on two sides of the first slideways and the second slideways; the blocking bar on one side comprises an upper half part and a lower half part, wherein an interval isarranged between the upper half part and the lower half part and is provided with a removal mechanism; the removal mechanism comprises a bottom plate, wherein the bottom plate is provided with a first bracket and a second bracket, and an opening and closing mechanism is arranged between the second bracket and the first bracket and drives the second bracket and the first bracket to carry out inverse movement; the bottom plate is also provided with a sucking disk mechanism; and the sucking disk mechanism can carry out translation on the ring-pull can to the first bracket and the second bracket.The removal device has the beneficial effects that unqualified ring-pull cans are simultaneously removed on the slideways through the sucking disk, working efficiency is high, when the ring-pull cansare removed, the removed ring-pull cans do not collide and rub with subsequent ring-pull cans, and the quality of the subsequent ring-pull cans is effectively guaranteed.