107results about How to "Accurate feeding amount" patented technology

The invention discloses feeds for laying hens in egg producing periods, and belongs to the technical field of feeds and cultivation. According to the feeds for the laying hens in the egg producing period, corresponding scientific and reasonable nutrients are fed according to physical characteristics of the laying hens in different egg producing periods, and accurate feeding dosage is ensured, so that the requirements of the laying hens in different egg producing stages on accurate nutrition are met, the number of the laying hens rapidly peaks, and high peak duration, high egg quality, high immunity of the laying hens and great spent chicken weight are ensured; meanwhile, with the adoption of staging, the shortcoming that only one kind of feeds is used for the laying hens in the whole egg producing period at present is overcome, and the cultivation efficiency of the laying hens and the egg producing quality are effectively improved.

The invention discloses a corn flour production and processing mechanism based on multidirectional feeding. The corn flour production and processing mechanism comprises a corn grain crushing device, apowder mixing device and a powder transfer device according to the technological process from front to back. The corn grain crushing device comprises a crushing unit, a drying unit and a material return device according to the technological process in sequence. The powder mixing device comprises a material mixing tank and a material mixing upper cover covering the material mixing tank, and a cavity of the material mixing tank is internally provided with a first material mixing and screening plate, a first mixing chamber, a second material mixing and screening plate and a crushing/mixing integrated chamber from top to bottom in sequence. The powder transfer device comprises a transfer conveyor belt, a turnover discharging device, a transfer baffle, a conveyer bucket, a transfer elastic device and a transfer lifting base station from front to back in sequence. The corn flour production and processing mechanism has the advantages of quality guarantee of produced corn flour, good mixing effect of corn flour and flour, high continuity of operation, precise single feeding quantity and high working efficiency, and is not liable to caking or blockage.

The invention discloses a solid state powder guide mechanism based on a multi-mixing chamber. The solid state powder guide mechanism sequentially comprises a powder mixing device and a powder transferdevice according to a process flow from the front to rear, wherein the powder mixing device comprises a mixing tank and a mixing upper cover covering the mixing tank, wherein a first mixing and screening plate, a first mixing chamber, a second mixing and screening plate and a grinding/mixing integrated chamber are sequentially formed in a cavity of the mixing tank from top to bottom; the powder transfer device sequentially comprises a transfer conveyor belt, a turning type unloading device, a transfer baffle, a conveyer bucket, an elastic transfer device and a transfer lifting base from the front to rear; the solid state powder guide mechanism further comprises a transfer guide table. The solid state powder guide mechanism disclosed by the invention has the advantages of being excellent in mixing effect, difficult to agglomerate and block, high in operating continuity, accurate in single feed capacity and high in working efficiency.

Provided is a pitch feed mechanism which is capable of performing an accurate, high-speed pitch feed of an original fabric having unevenness on a surface thereof in a sticking operation of an insulating tape. The original fabric pitch feed mechanism that is provided on a downstream side of an insulating tape sticking process region in a long original fabric, and performs the pitch feeding of the original fabric in one direction in accordance with a boundary part, the original fabric pitch feed mechanism being characterized by comprising a feed side roller, an original fabric take-up side roller, a feed side contact and separate member, a take-up side contact and separate member, and a pitch feed roller, which is disposed between the feed side roller and the original fabric take-up side roller, and pulls out, when the feed side contact and separate member is separated from the feed side roller, and the take-up side contact and separate member is in contact with the original fabric take-up side roller to fix the original fabric with the original fabric disposed therebetween, the original fabric by a predetermined size from the feed side roller side by pressing the original fabric that is extended between the feed side roller and the original fabric take-up side roller.

The invention relates to feed set meals for pigs in different physiological stages, and discloses a systematic nutrition scheme for sows to increase the number of market commercial pigs each year, and the benefits of pig farms are improved accordingly. The systematic nutrition scheme comprises a sow fecundity N+ series product, a piglet higher survival rate 7030 scheme, a pig growing and fattening more-profit making V+ series product and matched feeding patterns. According to the sow fecundity N+ series product, healthy reproduction of boars can be guaranteed by providing enough maintenance, growth, reproduction and immunization nutrition. According to the piglet higher survival rate 7030 scheme, the nutritional requirements of pig stocks in each production stage are met by taking a 'comprehensive nutrients + high and balance nutritional levels + high-quality nutrient sources ' scheme into account, the digestive absorption capacity and the intestinal immunity of the pig stocks are improved by guaranteeing the gastrointestinal tract health, and the self immunity of the pig stocks is reinforced by guaranteeing production nutrition and paying close attention to immune nutrition and stress nutrition. The pig growing and fattening more-profit making V+ series product is prepared according to different nutritional requirements of the pigs in different growth and development stages, and the obtained commercial pigs grow fast, low in feed ration and good in meat quality.

The invention provides a live pig cultivation multivariable forage feeding decision-making method and system. The feeding decision-making method includes S1 calculating the nutrition demand needed by live pigs by means of a BP nerve network model according to the growth information, the growth environment information, the behavior information, and the eating nutrient composition mount every day of the live pigs; and S2 obtaining the feeding forage kind and forage amount by means of a forage selection decision-making model according to the forage information in a culturing farm and the dynamic demand on the various nutrients. According to the live pig cultivation multivariable forage feeding decision-making method and system, the forage meeting the nutrition demand with the lowest cost can be comprehensively and dynamically selected according to the growth information, the cultivation environment information, and the behavior information of the live pigs at different growth stages, the multivariable accurate forage feeding can be realized, and on the premise of ensuring that the growth of live pigs reaches the standard, reasonable feeding is carried out, the forage utilization rate is improved, the cultivation cost is reduced, and the ecological environment pollution is reduced.

The invention relates to a bee toxicology experiment contamination automatic feeding device, which is mainly and structurally characterized by comprising a graduated U-shaped pipe, wherein an end opening of one side of the U-shaped pipe is connected with a sealed liquid storage device, an end opening of one side of the U-shaped pipe not connected with the liquid storage device is higher than an interface of the liquid storage device, the bottom of the liquid storage device is connected with a plurality of feeding devices through pipelines for forming a communication device, feeding openings of the feeding devices respectively and upwards penetrate into corresponding bee boxes, and the total area of the liquid level in the feeding openings is identical to the area of the liquid level of one side of the U-shaped pipe not connected with the liquid storage device. The bee toxicology experiment contamination automatic feeding device overcomes the defects of adverse factors when the traditional large-range bee automatic feeding device is used for bee toxicology experiment operation, and the pipeline structure of the bee automatic feeding device is simplified, so the bee toxicology experiment contamination automatic feeding device is more suitable for small-range bee feeding. Simultaneously, the feeding opening is upward, the communication device principle is utilized for ensuring the liquid level height, and the honey loss caused by the downward pipe opening is avoided. The consumed contaminated honey quantity can be accurately read out through scales on the U-shaped pipe.

The invention relates to a corn flour quantitative transportation device. The device successively comprises a corn cob processing device, a niblet crushing device, a powder material mixing device anda powder material transfer device from front to back according to a process flow, wherein the corn cob processing device comprises a feeding unit and a processing unit; the powder material transfer device comprises a transfer conveyor belt, and an overturning unloading device, a transfer baffle plate, a conveyer bucket, a transfer elastic device and a transfer lifting base station which are successively arranged from front to back. The corn flour quantitative transportation device provided by the invention has the advantages of improving the processing efficiency of corn cobs, increasing the economical additional value of the corn cobs and guaranteeing the quality of produced corn flour, and being high in working continuity, precise in single feeding amount and high in work efficiency.

The invention discloses a feeding device for a boiling chlorination furnace for producing titanium dioxide by chlorination. The feeding device comprises three feed bins, three weighing machines, three screens, a conveyor and a mixing spiral machine, wherein the three weighing machines are respectively and correspondingly connected with three feed bins by feeding pipelines; each screen is arranged in the corresponding feeding pipeline and is positioned between the corresponding weighing machine and the corresponding feed bin; each feeding pipeline is provided with an operation opening which is close to the corresponding screen and can be opened and closed; an outlet of the conveyor is communicated with the boiling chlorination furnace; the mixing spiral machine is arranged between the weighing machines and an inlet of the conveyor. According to the feeding device for the boiling chlorination furnace for producing the titanium dioxide by chlorination, which is disclosed by the embodiment of the invention, the feeding quantity is accurate, materials are uniform to mix, and the materials are smooth and continuous to feed, so that the stable and continuous operation of the feeding device is ensured, product quality is improved, and a boiling state of the boiling chlorination furnace is improved; meanwhile, the filtered materials are more uniformly mixed in the mixing spiral machine, so that layering of the materials entering the boiling chlorination furnace is avoided.

The invention relates to a cyanide-free copper-zinc alloy electroplating solution and a preparation method thereof. The electroplating solution consists of the following components in percentage by weight: 1-60 percent of complexing agent, 0.3-10 percent of copper salt, 0.2-10 percent of zinc salt and the balance of water, wherein the general formula of the complexing agent is MxHyPnO(3n+1)Rz; M is any one or multiple in alkali metal ions and NH<4+>; R is acyl; the general formula of the copper salt is Cux/2HyPnO(3n+1)Rz; the general formula of the zinc salt is Znx/2HyPnO(3n+1)Rz; x, n and z are positive integers; y is 0 or a positive integer; x+y+z is equal to n+2. The cyanide-free copper-zinc alloy electroplating solution is prepared by mixing the complexing agent, the copper salt, the zinc salt and water, the complexing capacity of the complexing agent is high, the complexing constant of copper ions can be 10<26-27>, and the complexing agent is far superior to a conventional complexing agent in the prior art. The stability of the electroplating solution prepared from the complexing agent is greatly improved, the quality of the electroplating solution is high, when the cyanide-free electroplating solution is used for pre-plating, main salt metal ions in the electroplating solution are not subjected to a replacement reaction with a metal base material, a loose replacement layer structure is not formed, and the quality of the electroplating layer is greatly improved.

The invention discloses a coating preparation process. The coating preparation process is characterized by comprising the first step of raw material selection, wherein raw materials comprise, by weight, 55% of polystyrene foam, phenolic foam plastic, scrap rubber and nitrocellulose, 20% of industrial alcohol, coal tar, acetone and hydrosolvents, 20% of pigments and fillers and 5% of wetting dispersing agents, defoaming agents, flatting agents and plasticizer auxiliaries; the second step of fusing refining; the third step of pre-refining; the fourth step of dispersing; the fifth step of blending and color mixing; the sixth step of filtering; the seventh step of packaging. The coating preparation process is reasonable and simple, the process flow is greatly shortened, the raw materials of the coating are wide in source and are of a waste recycling type, and production cost is reduced; meanwhile, according to the raw material ratio, coating of different functions is convenient to make and meets the needs of other production processes, material capacity and the ratio are accurate, the deviation is small, product quality is guaranteed, and the enterprise yield is effectively increased.

The present invention relates to the field of extraction, and discloses an extraction system, which comprises a conveying line, a feeding line, an extraction device, a residue discharging device, a washing device and a control device, wherein the control device is respectively connected to the conveying line, the feeding line, the extraction device, the residue discharging device and the washing device. The extraction system of the present invention achieves the automated extraction of the material so as to improve the material extraction efficiency and the material extraction quality, and accurately collect the production data.

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 discloses an automatic quantitative spraying control system. The automatic quantitative spraying control system comprises an adjusting device used for adjusting and positioning of the spraying stroke length, and an electric control system used for controlling the spraying stroke frequency. The electric control system comprises a computer, a PLC, a digital-to-analogue conversion module, a frequency converter and an executing mechanism. The computer is used for setting the spraying amount, the PLC conducts data calculation with the stroke length and the stroke frequency as basic data, then, digital control signals are output, and after the digital-to-analogue conversion module is used for conducting digital-to-analogue conversion, the executing mechanism executes a dischargingamount automatic quantitative spraying instruction through the frequency converter. According to the automatic quantitative spraying control system, the quantitative and accurate feeding amount is automatically provided for the foam structure piece spraying process, the spraying quality and the spraying stability, accuracy and repeatability are improved.

To provide a printing device such as an inkjet device capable of transporting a recording medium at satisfactory precision with a simple configuration. The inkjet device includes a feed amount correcting section that corrects a feed amount of a recording medium, and a control section that controls the feed amount correcting section. The feed amount correcting unit includes a moving section that moves with a movement of the recording medium in a transporting direction and a displacement sensor section that detects a displacement amount of the moving section, and the control section controls the feed amount of the recording medium based on a difference between a feed amount acquired at a time of printing and a set feed amount set in advance.

The invention discloses automobile tire discharge carrying equipment with a function of instantly breaking layers by means of gravitational centrifugation. The automobile tire discharge carrying equipment structurally comprises an observation window, a feed cushion tank, a feed funnel and a carbon black carrying device. The automobile tire discharge carrying equipment has the advantages that a control pressure plate can be assisted by a positioning telescopic rod to slide in the left-right directions under telescopic actions of an electromagnet, accordingly, the feed quantity of carbon black can be reduced, the carbon black can be prevented from being completely fed into a conveying device at one step, and increase of the conveying pressures of the conveying device can be prevented; a dustcover wraps the electromagnet, and accordingly influence on normal operation for opening and closing the electromagnet due to powdery carbon black adhered onto the electromagnet can be prevented; a movable buckle and pulleys can overcome a spring to downwardly slide close to a slide rail under the double effects of rotating centrifugal force and gravitational force when a conveying rotary rod rotates to the lower side, the movable buckle can be separated from a contact connector, a threaded lug at the leftmost end is in contact with a magnetization contact seat, accordingly, electromagnetismat the left end of the conveying rotary rod can be neutralized, the carbon black is accurate in feed quantity, errors can be reduced, the quality of tires can be improved, and the work efficiency canbe improved.

An automatic charging and mixing device for an ointment is provided, comprising a box body, and a platform provided with a rotating seat. The center of the rotating seat is provided with a through hole. The interior of the box body is provided with a stepping motor, and the stepping motor matches the through hole through a coupler. A plurality of feed ports and a plurality of material feeding assemblies are provided on the platform at intervals circumferentially with the through hole as the circle center. The material feeding assembly comprises a telescopic cylinder, a plunger pump, a limiting rod, and a lifting assembly. The device is used to prepare the ointment by placing all raw materials into a mixing drum in sequence according to a set time and sequence

The invention discloses a method for preparing 2-oxo-2-furyl acetic acid by using a continuous flow micro-channel reactor. The method specifically comprises the following steps: respectively pumping anitric acid solution of 2-acetylfuran treated at low temperature and a mixed solution of sodium nitrite and methylbenzenesulfonic acid into a mixed type continuous flow micro-channel reactor by usinga metering pump for reaction, and finally extracting and recrystallizing an obtained reaction solution to obtain a finished product. Compared with the prior art, the method disclosed by the inventionpossesses following advantages: operation is simple, reaction steps are few, methylbenzenesulfonic acid is used as the catalyst, the yield of the finished product is high, no three-waste pollution isgenerated, and continuous large-scale production operation can be realized.