338 results about "During feed" patented technology

A system and method of feeding wire is provided using at least one roller which is biased towards the wire. The at least one roller is permitted to deflect a limited amount during the wire feeding operation. The roller is permitted to deflect 50% or less than the wire diameter during feeding to prevent tangling.

The invention relates to a steel pipe processing device. A steel pipe bending machine comprises a frame, wherein a bending roller, a driving roller, a limiting roller and a motor for driving the driving roller are arranged on the frame; a resistance increasing layer is arranged on the surface of the driving roller; the resistance increasing layer is formed by vulcanizing 20% of steel particles and 80% of rubber together; the particle size of the steel particles is smaller than 1mm. The steel pipe bending machine is high in traction force during feeding; the problem of low traction force caused by high possibility of slippage of the driving wheel of the steel pipe bending machine in the prior art during driving can be solved.

The invention discloses processing method and device of high-temperature solid steel slag. In the processing method, the front of the traditional working cylinder is provided with a feed cylinder capable of containing a sufficient quantity of the high-temperature solid steel slag; the side surface or the end surface of the feed cylinder is provided with an automatic opening and closing door; the feed cylinder and the working cylinder are on a same axial line and rigidly fixedly combined together to form a large cavity, and the axial line forms a certain tilt angle outwards with a horizontal plane; the high-temperature solid steel slag is poured into the feed cylinder for one time during feed; a sealing door is automatically closed and locked after the feed is completed, the feed cylinder rotates according to set direction and speed under the action of a transmission device, and the high-temperature solid steel slag inside the feed cylinder gradually moves downwards with the rotation of the feed cylinder and feeds spirally to sequentially enter the working cylinder; the high-temperature solid steel slag inside the feed cylinder is continuously cooled and smashed with the rotation of the working cylinder, and finished product slag reaching certain granularity is delivered out of the working cylinder through an output device. The invention can realize the cleaning and efficient processing of the high-temperature solid steel slag.

The invention discloses a continuous sulfonating process for synthesizing p-aminophenyl-beta-hydroxyethyl sulfone sulphate. The process comprises the steps: performing reaction on chlorosulfonic acid and acetanilide which serve as raw materials; respectively atomizing chlorosulfonic acid and molten-state acetanilide and contacting with each other during feeding to perform reaction. According to the continuous sulfonating process for synthesizing p-aminophenyl-beta-hydroxyethyl sulfone sulphate, the molten-state acetanilide is used as a raw material, and the reaction on the acetanilide in an atomizing state and chlorosulfonic acid which is also in an atomizing state are carried out and the reaction temperature is easily controlled, so that the production of byproducts such as parachloroaniline is avoided, and the conversion rate of acetanilide serving as a raw material is high. The process is convenient to operate, short in production period, controllable in reaction process, less in labor demands, low in cost and easy for industrial production.

The invention relates to a cutting-off and chamfering integrated turning tool and a one-step clamping, cutting-off and chamfering pipe cutter and belongs to pipe machining equipment. A main cutting edge is arranged on a front tool surface of the front of a tool handle, and two V-shaped grooves are symmetrically arranged in two auxiliary cutting edges, so that both cutting-off and chamfering can be performed, the operation is flexible, and exchanging of different turning tools during chamfering are avoided. The cutting-off and chamfering integrated turning tool is used by the pipe cutter, a thrust bearing, a tapered wedge thrust pipe and a plurality of tapered wedge pipes which are mounted on a cylindrical shaft successively are connected together, and a rotary feed pipe is clamped firmly by outward expansion of C-shaped rings under thrust of a clamping air cylinder piston and tapered heads. By means of the cutting-off and chamfering integrated turning tool mounted on a sliding shaft lathe tool rest, within the range of clearance grooves of the tapered wedge pipes, during feed pipe cutting-off tool withdrawn, and on a device, during once clamp of the inner diameter of a thin-wall round pipe, a plurality of feed pipes can be cut off by setting the length, and chamfering is performed on inner and outer edges of two end faces of notches.

The invention discloses a recovery and crushing device for building materials. The device comprises a chassis and a frame; the chassis is divided into a crushing cavity and a conveying cavity; and the conveying cavity is positioned below the crushing cavity. A third motor is mounted in the middle position of the ground plane of the chassis; a conveying rotating shaft is mounted at the top end of the third motor, and extends into the conveying cavity; spiral blades are mounted on the conveying rotating shaft; conveying grooves are respectively formed in the bottom ends of the left and right sides of the conveying cavity; electromagnetic plates are arranged at the bottom ends of the conveying grooves; and discharge ports are formed in the tail ends of the conveying grooves. The device has the following beneficial effects: through belt transmission and rack transmission mechanisms, during feeding, an impact block is driven to collide with materials, so that the materials are crushed during feeding.

The invention discloses special feed for 50-150-day old mandarin fish. The special feed comprises raw materials in parts by weight as follows: 40-80 parts of fish meal, 50-120 parts of krill meal, 30-50 parts of sandworm powder, 10-12 parts of cod liver oil, 0.5-2.5 parts of palm oil, 1.5-3.5 parts of corn oil, 5-18 parts of scallop skirts, 5-18 parts of sweet corn gluten meal, 10-16 parts of maize germ oil, 5-15 parts of cottonseed cakes, 10-18 parts of fermented bioprotein, 8-17 parts of black sesame powder, 10-38 parts of blood worms, 1-3 parts of radix aucklandiae, 1-3 parts of taurine, 0.5-1.5 parts of probiotics, 0.5-1.2 parts of methionine, 0.2-0.8 parts of threonine, 0.05-0.09 parts of compound enzyme, 0.01-0.03 parts of microelements, 2-5 parts of Chinese herbal medicines, 5-10 parts of a phagostimulant and 1-3 parts of vitamins. The product is used for the 50-150-day old mandarin fish, stress caused during feed changing can be reduced, transition between different kinds of feed is facilitated, the feed has good palatability and high nutritional value and is low in cost, the mandarin fish can grow fast if the mandarin fish is fed on the feed, and the fatality rate is small.

The invention relates to a positive-negative chamfering drilling bit used for processing of plate parts. The positive-negative chamfering drilling bit used for the processing of the plate parts comprises a handle portion, a neck portion and a head portion, the head portion, the neck portion and the handle portion are coaxial cylinder bodies taking the same central axis as the center, scrap discharge grooves are arranged on the head portion and the neck portion, an entity portion except the scrape discharge grooves is a tool back, a main cutting edge, a negative cutting edge and a positive cutting edge are respectively arranged at positions of the head end face, the middle and the tail end face of the scrape discharge grooves, the main cutting edge is used for drilling the plate parts by drilling a hole, the positive cutting edge processes the an inlet chamfer of a through hole during feeding for the first time, and after the inlet chamfer is processed, the tool is retracted to the position of the negative chamfer edge to mill an outlet chamfer of the through hole out. The positive-negative chamfering drilling bit used for the processing of the plate parts achieves composite processing of drilling, chamfering and negative-chamfering.

Disclosed is a method and apparatus for spray application of a monolithic refractory material, designed to add water to a powder material and knead the powder material during feeding. In the method and apparatus, a primary water injector 7 is arranged in a feed hose 5 extending from a spray-material supply device 1 to a distal spray nozzle 4, and a secondary water injector 8 is arranged in the feed hose at a position just before the distal spray nozzle 4. The primary water injector 7 is arranged on an upstream side of the secondary water injector 8 with a given distance therebetween. 10 to 50 mass %, preferably 15 to 40 mass %, of application water on the basis of the total application water required for the spray application is added from the primary water injector together with compression air in the form of water particles having an average particle size of 100 μm or less, to evenly wet a spray material during feeding to the extent capable of preventing the spray material from being slurried. Then, the remaining application water is injected from the secondary water injector together with compression air. The spray application method and apparatus of the present invention can achieve a high kneading effect by a low amount of application water while improving operational efficiency.

The invention relates to a method for extracting chitosan using fly, characterized in that the fly puparium is treated by acid alkaline process to obtain raw material. The raw material is subjected to decalcifying, deproteinizing, deacetylating, and then filtering, cleaning to be neutral to obtain the chitosan end product. The method can produce chitosan in enormous quantities using the high breeding property of fly, therefore the production rate of chitosan is increased. A product center combining raw material production and chitosan production together can avoid the inconvenience of raw material collection, therefore the production scale is greatly increased and the cost is reduced. During feeding the fly, the fly can be used for extract of protein feedstuff and antibiotic fly protein.

The invention discloses a production method of cutting picks of a coal mining machine. The production method comprises the following steps of: enabling the cutting picks which are well matched to sequentially enter a heating area of an inductor, and controlling the automatic feeding meter at 12 seconds-14 seconds; enabling the cutting picks to enter a welding area, firstly supplementing borax at the upper part of an alloy gear head, tightly shaking an alloy for a plurality of times after melting of copper, performing heat treatment when the temperature of an isothermobath is not less than 230 DEG C, gradually clamping out the well welded cutting picks, arranging into a hanging hook, rapidly lifting the hanging hook with the hand, immersing the cutting picks into a saline solution of the isothermobath, swinging left and right for 3 times, then hanging a cross rod, totally immersing the gear head alloy in the saline solution, and rapidly starting to supply water for cooling when temperature achieves 265 DEG C during feed-discharge balance; staying the cutting picks for not less than 30 minutes under the state that the variation in the isothermobath does not exceed a 20-DEG C constant temperature zone; and lifting out the cutting picks, performing salt leaching, and then washing and cooling. The difference between the production method disclosed by the invention and the prior art is that two times of heating are combined into a whole and can be completed once, thus the brazing quality is ensured, and the heat treatment quenching quality is also improved.

The invention discloses a batch processing device for pharmaceutical wastes. The batch processing device comprises a machine box. The machine box is internally provided with a smashing cavity, a backflow cavity and a sterilizing cavity. A purifying box is mounted on the back side of the machine box. A feeding hopper is arranged at the top end of the smashing cavity. Grinding gears are mounted in an inner cavity of the feeding hopper. Moving base plates are mounted at the bottom end of the feeding hopper. The moving base plates are divided into two parts and are in an arc shape. The bottom endsof the moving base plates are connected with the bottom end of the feeding hopper through moving shafts. Fixed insections are arranged on the inner walls of the moving base plates. The fixed insections and insections on the surfaces of the grinding gears are arrayed in a staggered mode. Fixing seats are arranged under the moving base plates. A plurality of squeezing springs are arranged between the moving base plates and the fixing seats for connection. According to the batch processing device for the pharmaceutical wastes, the moving base plates can have a squeezing effect on materials whilemoving within a small range, so that the smashing effect of the materials is enhanced, and meanwhile blocking is avoided during feeding.

The invention discloses a bismuth adding technological method of bismuth-containing free-cutting steel. In the last stage of refining, after other components except for bismuth are adjusted, adding ofa bismuth-containing cored wire is carried out. The method comprises the following specific steps of (1) control of production conditions before wire feed, wherein the slag layer, the temperature andthe oxygen activity of molten steel are controlled; (2) feed of the bismuth-containing cored wire; and (3) treatment after wire feed is finished. An intermittent wire feed method is adopted in the step (2), the bismuth-containing cored wire is intermittently fed by at least three times, the cored wire is 1/n of the total quantity during feed of every time, n is the number of times, and the feed time interval ranges from 15 s to 20 s. The technological method has the following advantages that the wire feed process is stable, and severe splashing is avoided; the bismuth element yield is high and ranges from 15% to 40%, and the production cost is low; the forms of occluded foreign substances in the steel are good; and cutting performance is excellent. The bismuth adding technological methodis suitable for production of carbon free-cutting steel and free-cutting stainless steel and has quite large economic value in the field of the bismuth-containing free-cutting steel.

The invention relates to a quantifying vessel and a quantifying milk powder box. The quantifying vessel comprises a storing bin, and a picking device which is connected to the storing bin, wherein thestoring bin is provided with a discharging port; the picking device comprises a picking bin at the left part, and a picking blocking plate at the right part; the picking bin is an empty chamber of which the upper end and the lower end are correspondingly provided with a material inlet and a material outlet; a sealing blocking plate is arranged below the picking bin; the length of the sealing blocking plate in the left and right direction meets that the material outlet is in a closed state during feeding materials into the picking bin and separating the material inlet of the picking bin from the discharging port; the length of the picking blocking plate in the left-right direction meets that the discharging port is in the closed state during separating the material inlet of the picking binfrom the discharging port and discharging the materials from the picking bin; the discharging port is blocked through the picking blocking plate; the material outlet of the picking bin is sealed andblocked by the sealing blocking plate; powdered or particular materials are not picked or stored while the picking bin is separated from the discharging port, thus accurate quantifying is achieved.

The invention belongs to the field of glass fiber chopping devices, in particular to the yarn chopping device of a biaxial warp knitting machine, comprising a stand, support feet and an electric cabinet, wherein the stand is provided with a paying-off mechanism, a chopping mechanism and a dispersing mechanism, wherein the paying-off mechanism can be used for shunting and uniformly paying off the glass fiber yarns; a driving roller of the chopping mechanism is used for scissoring the glass fiber yarns; and the dispersing mechanism is used for uniformly dispersing the glass fiber yarns on roller cloth. The invention has the advantages of realizing the shunting and the diversion of glass fiber strands, preventing the glass fiber strands from being twisted together during feeding, ensuring high chopping efficiency and high speed, improving the production efficiency and reducing the production cost.

The invention discloses an automatic feeding system and a mixing station. The automatic feeding system comprises a feeding bin, a first conveying mechanism, a burdening bin and a control unit; the feeding bin and the burdening bin are arranged at a interval, and the first conveying mechanism is arranged aslant; the first end of the first conveying mechanism is disposed below the discharging door at the bottom of the feeding bin, and the second end of the first conveying mechanism is disposed above the opening of the burdening bin; and the control unit controls the open-close state of the discharging door and the work state of the fist conveying mechanism according to the material position state of the burdening bin, so that sandstone materials are controlled to be conveyed to the burdening bin. The automatic feeding system helps to realize the automatic conveying of the sandstone materials; and compared with prior art, the automatic feeding system helps to effectively reduce the usage time of a loader during feeding process, and thus the automatic feeding system helps to save energy consumption, reduce labor and enable the feeding process to be relatively controllable and environment-friendly.

The present invention relates to the use of at least one porous metal-organic framework material (MOF) comprising at least one first and, if appropriate, one second organic compound, where at least the first organic compound binds coordinatively to at least one metal ion in an at least partly bidentate manner, where the at least one metal ion is Mg(II) and where the first organic compound is derived from formic acid and the second organic compound from acetic acid, for reducing the methane level in the total gas produced, and to the use for increasing the total gas formation during feed digestion in ruminants as well as a method for reducing the methane level in the total gas produced and a method for increasing the total gas formation during feed digestion in ruminants.

The invention discloses a sturgeon culturing method and belongs to the field of fish culturing. The sturgeon culturing method includes the steps of flowing water pond disinfection, fingerling releasing, water changing control, feed feeding, pest prevention and control and the like. By disinfection of a flowing water pond before culturing and pest prevention and control during feed raising, survival rate of sturgeon fingerlings is greatly increased; by preparing feed with different nutritional ingredients for fingerlings and adult fishes, digestion and absorption at different stages of sturgeon are facilitated, and growing is prompted.