33 results about "Feeding Ability" patented technology

The invention provides a wild-training method for improving the feeding ability of released Acipenser dabryanus. The wild-training method comprises the following steps that fish bait is produced; feeding domestication is conducted, wherein feeding domestication starts when are hatched, feeding domestication is conducted on the Acipenser dabranus which are fed with artificial feed for 2-4 months and feeding domestication is conducted on the Acipenser dabranus which are fed with the artificial feed for over 5 months; Through the wild-training method for improving the feeding ability of the released Acipenser dabrayanus, after training is over, both the feeding capability and the predation capability of the Acipenser dabryanus with different specificications are obviously enhanced and improved. After analog wild-release is conducted, the trained Acipenser dabryanus is released to the wild or an experimental pond, the capability of preying on wild life live baits is obviously improved, and the growth rate and the survival rate are obviously higher than the released Acipenser dabryanus which is not trained.

The invention relates to a non-chiller ductile iron non-riser casting technology, which belongs to the technical field of ductile iron non-riser casting, and aims to solve the technical problems that the existing ductile iron castings are serious in shrinkage hole and shrinkage porosity defects, high in rejection rate, serious in waste of means of production, and high in production cost. The non-chiller ductile iron non-riser casting technology comprises the following steps of preparing moulding sand; manufacturing a template and a core box tooling; inoculating molten iron; manufacturing a casting cavity and a sand core; setting a pouring system, setting a core and assembling the mould, wherein the casting cavity is a resinous sand mold, and the moulding sand is prepared from scrubbing silica sand of 30 to 50 meshes and furan resin according to the mass parts of 100: 1.5; the casting cavity is not provided with a riser; an inner pouring gate of an ingate uses a flat pouring gate; no chiller is arranged inside the casting cavity. The non-chiller ductile iron non-riser casting technology fully utilizes self-feeding ability of ductile iron, and has the advantages of simple shape and structure, low ductile iron casting shrinkage hole and shrinkage porosity defects, simple casting process, strong operability, and capability of being applied to casting large ductile iron castings.

The present invention provides an air-conditioning control device for a vehicle ensuring required cooling ability by discriminating switching to the internal air introduction state by thermal load determination and switching to the internal air introduction state by odor detection and capable of reducing variation of an air amount and noise by switching to the internal air introduction state by the odor detection. The air-conditioning control device for the vehicle is provided with a first air introduction state variable means for varying the air introduction state based on the thermal load in a cabin; and a second air introduction state variable means for varying the air introduction state based on the contamination degree of air detected by an air contamination degree detection sensor. Air feeding ability is made non-variable before and after switching at switching to the internal air introduction state by the first air introduction state variable means and air feeding ability is relatively reduced more than the air feeding ability before switching at switching to the internal air introduction state by the second air introduction state variable means.

The invention relates to a casting method of a casting at the intake end of a high-pressure outer cylinder of a thick-walled gas turbine in the technical field of casting, mainly including casting direction design, riser and subsidy design, and cold iron design. In the method of the present invention, according to the structural characteristics of the casting and the characteristics of uneven wall thickness, an open riser is respectively arranged on the upper side of the flange end of the casting to directly feed the heat joint 1, and a subsidy 1 is provided on the upper side of the heat joint 2 for communication. The feeding channel for thermal festival two and thermal festival one. Set a dark riser on the inner side of the lower part of the casting direction, and form a feeding channel between the dark riser and the hot section 3, hot section 4 and hot section 5 through subsidy 2, subsidy 3 and subsidy 4; the cylinder around the dark riser Cold iron 1 and cold iron 2 are respectively set inside and outside the body, which are used to close the feeding channel between the open riser and the dark riser in advance, so as to realize the partition feeding function of the open riser and the dark riser, and reasonably control the casting Solidification sequence, while ensuring the feeding capacity of the open riser to the upper hot section 1 and hot section 2.

A protruded portion of an adjacent scan line is provided along one of longer sides of an electron emission area, for functioning as a focusing electrode. A feeding electrode is provided along the other longer side of the electron emission part. Use of this arrangement improves the ability to feed current from a scan line(s). Thus, a distribution of drive current within an element electrode is dispersed, thereby to improve the reliability of an electron emission element. Additionally, in the case of a thin-film electron source being used as this element, the improvement in current feeding ability enables a top electrode to decrease in thickness, thus increasing the electron emission efficiency.

The invention provides a wild-training method for improving the feeding ability of released Acipenser dabryanus. The wild-training method comprises the following steps that fish bait is produced; feeding domestication is conducted, wherein feeding domestication starts when are hatched, feeding domestication is conducted on the Acipenser dabranus which are fed with artificial feed for 2-4 months and feeding domestication is conducted on the Acipenser dabranus which are fed with the artificial feed for over 5 months; Through the wild-training method for improving the feeding ability of the released Acipenser dabrayanus, after training is over, both the feeding capability and the predation capability of the Acipenser dabryanus with different specificications are obviously enhanced and improved. After analog wild-release is conducted, the trained Acipenser dabryanus is released to the wild or an experimental pond, the capability of preying on wild life live baits is obviously improved, and the growth rate and the survival rate are obviously higher than the released Acipenser dabryanus which is not trained.

The invention discloses a breeding automatic feeder. The feeder comprises a traveling mechanism, a positioning device, a monitoring system, a material bin, a weighing system, a discharging gate, a material bucket and a control box, the travelling mechanism is composed of a walking wheel, a track and a motor, the positioning device is a positioner, and is installed on the track, the monitoring system is composed of the positioner, a control box and a camera, the walking wheel and the material bin are connected by a fixed structure, the weighing system is composed of a weighing machine and the control box, a weighing machine is installed at the outlet of the material bin, the discharging gate is arranged at the bottom of the material bin, and is associated with the weighing machine, the material bucket is installed and fixed in a feeding area of captive livestock and poultry, and the control box is arranged on the material bin. The automatic feeder has the greatest integrity protection for cultured feeds, does not break the feeds into powder feeds, improves the feeding ability of animal, adds the statistical function of data, and conducts the corresponding feeding adjustment programafter the data processing in the later stage.

The invention discloses a feeding cylinder with a single screw and double cones, comprising a feeding cylinder. The feeding cylinder with the single screw and the double cones is characterized in that the feeding cylinder is internally provided with an inner hole for installing the single screw, a feeding hole in a shape of a horizontal eight is arranged at one side of the feeding cylinder and is adapted to a discharge hole of a double cone forced feeding machine, and a plurality of cooling grooves are arranged on the outer surface at one end of the feeding cylinder. The invention changes a structure of the traditional feeding cylinder which feeds materials in a mode of material deadweight into a structure of arranging the feeding hole at one side of the feeding cylinder to be adapted to the double cone forced feeding machine, thereby increasing the feeding quantity of the double cone forced feeding machine to the feeding cylinder, enhancing the feeding ability of a single screw extruder and further improving the productivity and the production efficiency. The invention has the advantages of simple structure, convenient use and low maintenance cost and can be widely suitable for installation of the double cone forced feeding machine.

The invention relates to a sand spreader with pressure reduction sand guiding function, composed of a frame, a sand box with a sand outlet, a transmission band driven by power and a rolling brush, wherein the sand box is on the frame, the band is through arranged on the bottom of the box, the brush is arranged under the sand outlet, the chamber of the box near the bottom and above the band is arranged horizontally with a pressure-reducing sand guiding grid plate with an inclined side surface, a middle main board formed by connected a plurality of small grids made from strength bars between the inclined surface, and a frame with a lifter and a limit buckle, since the inclined face can bear part load of sliding sand, while the sand direction is in an angle with the band, the sliding sand can generate a co-direction pushing force on the band to improve the feeding ability of the transmission band, reduce real bearing pressure, improve load of the box, improve spreading efficiency and improve the service life of the band.

The invention discloses a compound additive premix for promoting growth of penaeus monodon. The compound additive premix for promoting growth of penaeus monodon consists of the following components in percentages by weight: citric acid 5%-10%, bacillus subtilis 30%-40%, stachyose 10%-15%, apple powder 10%-15%, malt 5%-8%, egg-white powder 15%-20% and serum powder 5-10%. Four-stage prevention and control are carried out by microecologics, Chinese herbal medicines, a nutrient enhancer, an acidifying agent and the like, the functions of the digestive system of the penaeus monodon are improved, a probiotics group is established, and meanwhile, the feeding ability of the penaeus monodon and non-nutritive growth factors for rapid growth are improved effectively.

The invention provides an efficient artificial fry breeding method of an outdoor ecological pond for Cephalopholis sonnerati. The method includes the following steps: (1) performing pretreatment on cultivation environment; (2) putting newly hatched larvae in a pond; (3) performing feeding management before 7 days old, feeding rotifer and euglena gracilis klebs every day when the larvae are 3-5 days old; feeding fortified powder bait every day when the larvae are 4-7 days old, the fortified powder bait including papaya powder, green tangerine powder, yeast powder and active lactobacillus powder; and feeding the rotifer and artemia nauplii every day when the larvae are 6-7 days old; (4) performing feeding management before 7 days old, and respectively and continuously feeding transition baitfor 3-4 days when the larvae are 10 days old and 20 days old; and (5) performing water quality regulation. Thus, the active feeding ability of the larvae before 7 days old can be effectively enhanced; the larvae can be effectively promoted to better adapt the replacing of the bait; the individual nutrient balance and growth balance of the larvae can be enhanced; malformation rates can be reduced;and the survival rates and growth quality of fries can be increased.

The invention discloses a sweet-water fish culturing method which comprises the following steps: (1) digging a fishpond: a fishpond II adjacent to a reservoir or a fishpond I up and down, wherein a higher water inlet and a lower water outlet are formed in the fishpond II, at least one ridge with a certain gradient is arranged from the water inlet to the interior of the fishpond II, and aquatic plants grow on the ridges; (2) culturing fish fries; and (3) pouring slurry for at least two times per day within 1-60 days since the fish fries are put into the fishpond, feeding fish meal, starting to feed fish feed from the 60th day when the fish fries are put into the fishpond, wherein the fish feed comprises cotton seeds, corn, distillers grains, pine needle meal, dried tangerine or orange peel and tangerine seeds. According to the water inlet and water outlet with a certain gradient formed in the fishpond, the fish has a good activity place and clean water flow in the fishpond. The fish is scientifically fed by green feed, so that wading of fishes is promoted, the activity level of the fishes is increased, the constitution of the fishes is enhanced, the feeding ability of the fishes is increased, the fish diseases are reduced, and rapid growth of the fishes is promoted.

The invention discloses a Y-type joint pouring technology which is implemented by a primary pouring system and an auxiliary system, wherein the primary pouring system comprises a casting head, a feeding area, a feeding channel, a product wax pattern and a semi-closed space; a feeding sprue is formed in the top outer wall of the feeding area; the casting head is welded on the inner wall of the feeding sprue; the casting head and the feeding sprue are arranged at main hot spots of a casting by a step of arranging the feeding sprue and the casting head are the main hot spots of the casting according to the casting structure; continuous feeding is facilitated in a cooling process; through vertical pouring and under the pressure formed by the weight of molten steel, enough feeding ability is guaranteed for the part cooled earlier, based on a rule that thin walls are cooled earlier and the thick and big walls are supplemented. According to the technology disclosed by the invention, enough feeding ability is guaranteed for the part cooled earlier, thus, heat crack caused by stress concentration in molten steel cooling resulting from non-uniform wall thickness can be prevented, air holes and roughness caused by overheating as well as consequent adverse outcomes are avoided, and the requirements on the product performance are completely met.

The invention discloses a preparation method of loach feed with high utilization efficiency. The method includes the steps of: crushing sweet sorghum, buckwheat powder, peanut powder, coconut meal, fermented tea seed meal, mulberry leaf powder, expanded blood meal, earthworm powder and palm meal, and performing sieving to obtain a first material; mixing potato starch, a Chinese herbal additive, stone flour, calcium hydrogen phosphate, malt selenium, kelp powder, fructooligosaccharide, vitamin and a feeding attractant evenly to obtain a second material; adding water into the first material, conducting steaming under ordinary pressure, performing cooling, then adding the second material and further conducting stirring and granulation, thus obtaining the loach feed with high utilization efficiency. The feed obtained by the invention has balanced nutritional ingredients and good palatability, improves the feeding ability of loach, effectively promotes intestinal peristalsis, accelerates the excretion of harmful substances, and has high feed conversion rate, reduces water pollution, enhances the loach constitution, increases the survival rate and accelerates growth, makes the loach growth state close to the wild and the taste good, and can achieve good economic benefits.

The invention relates to a smashing and air feeding integrated machine. The smashing and air feeding integrated machine comprises a base; a driving unit and a smashing and air feeding unit are correspondingly arranged on the base; the driving unit is connected with the smashing and air feeding unit; the smashing and air feeding unit comprises a smashing chamber; a rotor disk is arranged in the smashing chamber; the rotor disk is connected with the driving unit through a driving shaft; a plurality of hammer sheets for smashing materials, and a plurality of blades for carrying out air feeding onthe materials are correspondingly arranged on the rotor disk; a feeding channel communicating with the smashing chamber is formed in the side wall of one side of the smashing chamber; the other sideof the smashing chamber is connected with the driving unit; a discharge channel communicating with the smashing chamber is formed in the smashing chamber; and a screen is arranged between the discharge channel and the rotor disk. The smashing and air feeding integrated machine has the advantages that the feeding and smashing effects are achieved by one equipment, the air feeding ability is high, afloor area is small, the complete machine is compact in structural design, the cost is low, and the smashing efficiency is high.

The invention discloses a method for breeding soft-shelled turtles. The method includes the following steps of S1: adult soft-shelled turtle pond breeding; S2: young soft-shelled turtle pond breeding;S3: parent soft-shelled turtle pond breeding; S4: parent soft-shelled turtle selection; S5: hatching; S6: separate breeding: putting young soft-shelled turtles born before August directly into a young soft-shelled turtle pond for breeding, putting young soft-shelled turtles born after September on an indoor diving plate for separate breeding for half a month and then putting the soft-shelled turtles into an adult soft-shelled turtle pond for breeding, one year later, putting the soft-shelled turtles in the young soft-shelled turtle pond into the adult soft-shelled turtle pond; S7: disease prevention: mixing prophylactic medicines with feed of the soft-shelled turtles and making into granules for feeding to the young soft-shelled turtles, using a 25 ml syringe and a sixth injection needlefor injecting the basal part of the hind legs of the soft-shelled turtles which lose the feeding ability, and setting the injection depth as 1.3cm; S8: feed put; and S9: water quality regulation. Themethod has the advantages of high survival rate and high nutritional value.

The invention discloses a multifunctional and high-efficiency grain moisture online detection device, which includes a control system and a measurement system; the further improvement lies in that the measurement system includes a measurement mechanism, a base assembly, a driving mechanism, and a feeding device; the base assembly includes an elastic adjustment mechanism, a screw Adjusting mechanism; the driving mechanism includes a deceleration motor, a gear transmission mechanism, a base plate, and a conductive reed. The gear transmission mechanism includes six gears meshing with each other, and the conductive reed is fixed on the base plate; There is a gap △, which is adjusted by the screw adjustment mechanism according to the size of the grain; the collecting and feeding device includes a collecting hopper and a grain feeder; a grain deflector is installed between the bottom of the grain feeder and the two electrode rollers, and the grain collected by the collecting hopper passes through the grain feeder The single grain is conveyed into the grain deflector and falls to the gap △ between the two electrode rollers. The invention has strong feeding capacity, reliable performance, and accurate moisture measurement, which is suitable for different grain moisture drying measurement requirements.

The invention discloses a catfish feed. The catfish feed is composed of the following raw materials in parts by weight: 10-15 parts of sesame seed cakes, 15-20 parts of cottonseed cakes, 20-30 parts of wheat flour, 6-8 parts of bean cakes, 10-15 parts of fish bone meal, 1-3 parts of fruit pulp, 2-5 parts of vitamins, 1-2 parts of amino acids, 2-5 parts of herba houttuyniae, 6-8 parts of yeast powder, 25-30 parts of lees, 1-3 parts of citric acid, 1-5 parts of fatty acid, 6-8 parts of shell powder, and 3-6 parts of rice wine. The catfish feed provided by the invention has the advantage of low cost, as well as the effects of increasing feeding ability of the catfishes, reducing fry diseases, and promoting rapid growth of the fries.

The invention designs an electric heating riser insulation deoxidation covering agent which comprises the raw materials with the following weight percentage of 70-85 percent of solid sodium silicate, 5-20 percent of lime and 2-10 percent of fluorite. The materials are mixed and stirred uniformly, and the particle size is 3-10mm. The materials are added in the riser to be electrically heated to form slag. The acidity value of the slag is 2.5-3.3, and activity of acidic oxides is high. The deoxidization ability of the slag is strong. The content of FeO in steel can be effectively reduced. The liquid quality of steel in the riser is guaranteed. The feeding ability is improved. And the covering agent has the advantages of proper viscosity and good liquidity, can be rapidly and evenly covered on the surface of the steel liquid, reduces the secondary oxidation of the steel liquid in a mold during the electric heating process, absorbs harmful gases and collects non-metallic inclusions in the steel liquid. The electric heating riser insulation deoxidation covering agent is beneficial for the separation of the inclusions and the steel liquid. Therefore, the product quality is greatly improved.

The invention discloses a food calling and digestion helping feed pre-mixing agent formula for penaeus vannamei boone culture and belongs to the technical field of sea food culture. A pre-mixing agent is prepared from, by weight, 40-50 parts of fish liver oil, 15-20 parts of dry hawthorn fruit powder, 5-10 parts of momordica grosvenori powder, 10-20 parts of fresh oyster powder and 10-20 parts of fresh squid powder. The pre-mixing agent suitable for being adopted by traditional cultivation feed can have the food calling and digestion helping functions by utilizing specific fishy smell of the fish liver oil, fresh oyster meat and fresh squid meat and efficacy of hawthorn fruits, and can effectively improve the conditions of anorexia, passive feeding, a low digestive ability and slow weight increase of prawns, the digestive ability and the active feeding ability of the prawns are promoted, and stable growth of the prawns is accelerated.

The invention provides a nutrient solution for preventing and treating bee rotting disease, unifying group taste and enhancing feeding ability, which comprises the following components in parts by weight: 75-85 parts of honey, 1-10 parts of royal jelly and 10-15 parts of traditional Chinese medicine composition, the traditional Chinese medicine composition is prepared from the following components in parts by weight: 30-40 parts of radix acanthopanacis semticosi, 10-30 parts of rhizoma polygoni cuspidati, 10-20 parts of folium isatidis, 5-15 parts of radix scutellariae, 5-15 parts of fructus forsythiae, 5-15 parts of herba scutellariae barbatae and 5-15 parts of liquorice root, and can effectively inhibit the development and propagation of pathogenic bacteria, enhance the disease resistance of bees, supplement nutrients required by bee breeding, effectively treat diseases such as bee rotten seed disease and the like. Meanwhile, the breeding and feeding capability of bees is enhanced. The invention further provides a preparation method, application and an application method of the traditional Chinese medicine nutrient solution. The traditional Chinese medicine nutrient solution can exert the medicine effect to the maximum extent, the curative effect of treating the bee rotten seed disease is improved, and the breeding and feeding capacity of bees is enhanced.

The invention discloses a high-protein Tibetan nettle biscuit and a processing and applying method thereof. The high-protein Tibetan nettle biscuit is prepared from the following components in parts by weight: 50-70 parts of Tibetan nettle, 0-5 parts of bean pulp, 25-45 parts of corn flour and 0-1 part of salt. The tibetan nettle is taken as a roughage component, and is processed and prepared intoa special high-protein Tibetan nettle biscuit for Tibetan sheep, so that Tibetan local natural high-quality forage grass self-feeding ability and sheep productivity are improved. In order to solve the problems that green forage grass supply within 6-7 months for the livestock is insufficient as the Tibet Plateau is high in altitude and is low in air temperature, and especially high-protein high-quality forage grass is severely in short, the invention provides a processing and applying method for the high-protein high-quality forage grass for Tibetan sheep.

The present invention discloses a nutritionally balanced feed for young mandarin fish. The feed comprises the following raw materials in parts by weight: 70-80 parts of an animal protein additive, 15-25 parts of peanut powder, 5-15 parts of alfalfa powder, 2-4 parts of lotus root starch, 4-10 parts of coconut meal, 5-10 parts of corn germ meal, 6-12 parts of sesame meal, 1-2 parts of beef tallow,1-2 parts of olive oil, 15-35 parts of distillers' grains, 2-4 parts of an immunopotentiator, 1-2 parts of a premix and 2-4 parts of a ricinus communis fiber compound. The ricinus communis fiber compound is prepared by using the following technology: ricinus communis fibers are heated, the heated ricinus communis fibers are dried to a constant weight, the dried ricinus communis fibers are sent into a muffle furnace to be calcined, the calcined ricinus communis fibers are cooled to a room temperature, zeolite powder, dodecyltrimethylammonium chloride an ethanol solution are added, the materialsare ball-milled, and the ball-milled materials are crushed to obtain the ricinus communis fiber compound. The feed is safe and reliable, balanced in nutrition, good in palatability, and mainly prepared from high-quality animal and vegetable proteins, improves a feeding ability of the young mandarin fish, and thereby achieves purposes of enhancing body constitution of the young mandarin fish, increasing a survival rate and accelerating growth.

The invention relates to a riser used for casting a cast piece as well as a manufacturing method thereof and an application thereof, and the riser is used for feeding a cast piece of a cast nodular iron tractor machine base. The riser consists of the following components in percentage by weight: 74-76% of pre-coated sand, 4.5-5.5% of magnesium powder and the balance pulverized coal. The thermal-insulation riser is good in thermal insulation, is high in refractoriness, is strong in feeding ability, is small in linear change on reheating, is convenient to use, and is free of environmental pollution.

The invention relates to the field of aquaculture and discloses a method for improving the survival rate of postpartum female parent schizothorax waltoni. The method comprises the following steps: (1)preparing a postpartum recovery tank, wherein a rectangular cement tank is selected, the length of the rectangular cement tank is 2-4 m, the width of the rectangular cement tank is 1 m, the water storage depth of the rectangular cement tank is 30 cm, a water inlet is formed in the middle of the short side of the rectangular cement tank, and a water outlet is formed in the opposite side, so that flowing water with the flow velocity of 0.8 m / s is formed in the cement tank; the water temperature is kept at 12 + / - 1 DEG C, and dissolved oxygen in water is greater than 6 mg / L; (2) preventing postpartum parent fish from bacterial infection, wherein postpartum parents are injected with a florfenicol injection (commercially available) to prevent postpartum bacterial infection, wherein the injection concentration is 10-15 mg / kg of the fish body weight and intraperitoneal injection is adopted; (3) temporarily culturing the postpartum parent fish in a postpartum parent fish recovery tank, transferring the postpartum parent fish undergoing anti-bacterial infection treatment to the postpartum recovery tank, wherein the ratio of water to the fish is 5-6 to 1. After 36 hours of running water flushing in the postpartum recovery tank, the physical strength of the postpartum parent fish is gradually recovered, the breathing and feeding abilities are enhanced, and the parent fish can be transferred into a pond for breeding.

The invention relates to an internal bacteriophage display technique for recognizing the polypeptide with strengthen transdermal feeding ability. The invention also provides a relative strengthened polypeptide, which can accelerate and / or strengthen the transdermal feeding ability of any medicine. The invention also discloses a compound with said polypeptide, and the relative application method.

The present invention relates to the field of casting blank manufacturing, in particular to a method for enhancing the self-feeding ability of a heavy section casting blank, which can solve the problems of poor centre quality, surface crack and high rejection rate of the heavy section casting blanks in the prior art. By controlling the outer cooling conditions of different solidification stages of the casting blank, the present invention quickly solidifies and crusts the outer surface of the casting blank to increase the strength and prevent surface crack at first, and then performs thermal insulation on the casting blank surface such that large area of the core forms the mushy region such that the solidified layer of the casting blank surface is maintained at a relatively high temperature to facilitate realization of the plastic deformation, thus realizing synchronous solidification and solid movement in the subsequent solidification and shrinkage processes of the casting blank, fulfilling the aim of radial self-feeding of the high-temperature deformable metal, eliminating the inner shrinkage voids and surface crack, and obviously eliminating the inner shrinkage of the casting blank. The present invention is applicable to the heavy section metal castings, in particular to the round and square heavy section casting blanks which have a large height-diameter ratio and cannot eliminate the axis shrinkage pipe through the feeder head.

The invention designs an electric heating riser insulation deoxidation covering agent which comprises the raw materials with the following weight percentage of 70-85 percent of solid sodium silicate, 5-20 percent of lime and 2-10 percent of fluorite. The materials are mixed and stirred uniformly, and the particle size is 3-10mm. The materials are added in the riser to be electrically heated to form slag. The acidity value of the slag is 2.5-3.3, and activity of acidic oxides is high. The deoxidization ability of the slag is strong. The content of FeO in steel can be effectively reduced. The liquid quality of steel in the riser is guaranteed. The feeding ability is improved. And the covering agent has the advantages of proper viscosity and good liquidity, can be rapidly and evenly covered on the surface of the steel liquid, reduces the secondary oxidation of the steel liquid in a mold during the electric heating process, absorbs harmful gases and collects non-metallic inclusions in thesteel liquid. The electric heating riser insulation deoxidation covering agent is beneficial for the separation of the inclusions and the steel liquid. Therefore, the product quality is greatly improved.

The invention relates to the technical field of heating and water supplying, and specifically discloses an air conditioner heating and hot water supplying system. The air conditioner heating and hot water supplying system comprises a first air conditioner heating and water supplying system, a second air conditioner heating and water supplying system, a water feeding communicating tube and a waterreturning communicating tube, wherein the first air conditioner heating and water supplying system and the second air conditioner heating and water supplying system are connected through the water feeding communicating tube and the water returning communicating tube; one of a water supplying pump in the first air conditioner heating and water supplying system and a water supplying system in the second air conditioner heating and water supplying system is taken as a standby pump; and water feeding ability of the water feeding communicating tube and the water returning communicating tube is sumof water feeding amount of the first air conditioner heating and water supplying system and water feeding amount of the second air conditioner heating and water supplying system. The air conditioner heating and hot water supplying system improves water feeding efficiency while total water supply amount is not changed.