103results about How to "Speed up feeding" patented technology

The invention relates to a high-efficiency combined type domestic garbage crusher, which belongs to the technical field of domestic garbage crushing and comprises a feed hole, a crushing system, a discharge system and a transmission system, wherein the crushing system comprises dual knife rolls, a moving knife group, a static knife group and a knife adjusting device; the discharge system comprises a left screen, a right screen and two discharge holes; and the transmission system comprises a motor and a synchronous gear group, and the synchronous gear group ensures the synchronous running of the dual knife rolls. The left knife roll and the right knife roll are arranged side by side in parallel, a certain gap is reserved between the two knife rolls, and the two knife rolls are connected by the synchronous gear group and run in opposite directions; and the knife rolls are provided with rotating moving knives, the bottoms of the knife rolls are provided with bottom blocks, the bottom blocks are provided with bottom static knives, and simultaneously a frame is provided with a side static knife. Firstly, domestic garbage is crushed in the gap between the two knife rolls, is crushed at the position of the bottom knives after being compressed, then passes through the left screen and the right screen and is respectively discharged from the left discharge hole and the right discharge hole; and the side static knife can crush the garbage with bigger size again. The invention has the advantages of large treatment capacity, high crushing efficiency and low energy consumption.

The invention provides an automatic feeding adjustment module and a method, device and bulk foreign body detection mechanism of the automatic feeding adjustment module. A discharging port of a hopper is located above a conveying belt, and materials are evenly laid on the conveying belt through vibration of a vibrator. A first sensor detects the material level of the materials in the hopper. Rays are emitted from a radiation source to the materials on the conveying belt, and a second sensor collects the rays which penetrate through the conveying belt and the materials. A processor forms a corresponding target image according to the rays collected by the second sensor, in addition, when the material level is not smaller than a first preset material level value, the vibrator is turned on, and data analysis thread is started, wherein the duty ratio R of the target image is calculated, the vibration magnitude of the vibrator is increased if the duty ratio R is smaller than a first preset duty ratio threshold, the vibration magnitude of the vibrator is decreased if the duty ratio R is larger than a second preset duty ratio threshold, or else, the current vibration magnitude of the vibrator is kept unchanged, and the second preset duty ratio threshold is larger than the first preset duty ratio threshold.

The present invention is high speed rolling forming machine, and belongs to the field of metal plate cold bending apparatus manufacturing technology. The high speed rolling forming machine consists of a frame with a transmission mechanism, an ultrasonic device and an active unwinding device set in the front part of the frame, a front cutting device, a front guiding device, a lubricating device, a rolling set, a back cutting device, a stocking device and a roller conveyer, etc. The present invention has high automation, high operation efficiency and high product quality.

The invention discloses a female epinephelus moara and male E. septemfasciatus crossbreeding method, and belongs to the technical field of marine fish breeding. The female epinephelus moara and male E. septemfasciatus crossbreeding method comprises the steps that parent selection is carried out, wherein a four to five-year-old healthy mature female epinephelus moara is selected as a female parent, and a five to six-year-old healthy mature male E. septemfasciatus is selected as a male parent; parent breeding is carried out, the female parent and the male parent are bred respectively under the conditions that the temperature of water for breeding the female epinephelus moara parent ranges from 12 DEG C to 26 DEG C, the temperature of water for breeding the male E. septemfasciatus parent ranges from 8 DEG C to 26 DEG C, the salinity ranges from 2.8 % to 3.2 %, the pH value ranges from 7.8 to 8.2, and the content of dissolved oxygen is larger than or equal to 5 mg / L; artificial insemination is carried out; hatch is carried out. According to the female epinephelus moara and male E. septemfasciatus crossbreeding method, gonads of male and female parents of two varieties mature synchronously through the technical means such as temperature regulation and nutrition regulation; a filial generation is obtained through artificial insemination, and has the excellent characteristics of the high growth rate and resistance to low temperature.

The invention discloses a rod milling method. Two ends of a rod milling barrel are respectively connected with a hollow feeding shaft and a hollow discharge shaft by using bolts, and horizontally supported on two main shaft bushings; a lining plate is arranged inside the barrel body; a plurality of milling rods of which the lengths are a little shorter than the length of the barrel are arranged inside the barrel and mill together with materials when rotating inside the barrel; a plurality of holes are distributed in the surface of a discharge end cover of a rod mill; a cavity formed by a barrel end cover or a plate with the same shape is arranged between the discharge sides of the discharge end cover; the sizing agent at the discharge end of the rod milling barrel is discharged out from the holes in the discharge end cover of the rod mill; the discharged sizing agent is taken to the upper part of the hollow shafts of the barrel by the rotating cavity, and is forcibly discharged.

A catalytic-esterification-free acid-degrading process for continuous production of high-acid-value waste oil and fat glycerin comprises the steps of raw material mixing and delivery, mixed raw material and finished product heat exchange, mixed raw material preheating after heat exchange, flash evaporation and dehydration of mixed raw materials, continuous esterification reaction and separation of glycerin extracted in the esterification process. The problems of low esterification reaction speed and non-thorough esterification caused by untimely reaction moisture discharging due to low reaction temperature in the process of preparing biodiesel by using high-acid-value waste cooking oil and leftovers in oil production industry and using methyl alcohol as an esterifying agent for pre-esterification and acid decrease are effectively solved, and the problems of device corrosion and environmental pollution brought by a large amount of produced waste acid water due to the fact that sulfuric acid is added to serve as a catalyst in the esterification process is solved. A continuous production process is adopted for esterification reaction, heat exchange of raw materials and finished products is achieved in the continuous process, and the problems of frequent and complicated operation, high labor cost, high production energy consumption, small yield and low efficiency of an intermittent esterification process are solved.

The invention relates to a sealed submerged arc furnace system, and solves the problems that the existing direct current electrical arc furnace can not be applied to the submerged arc furnace and an alternating current sealed submerged arc furnace, and has high power consumption, large electrode consumption and low safety. The solution is as follows: the sealed submerged arc furnace system comprises a sealed submerged arc furnace, a waste heat recovery device and a waste gas treatment and utilization device; the waste heat recovery device comprises a turbonator and a heat pump; the waste gas treatment and utilization device comprises a waste heat boiler connected with a waste gas outlet of the sealed submerged arc furnace, a waste gas dust removing device connected with a gas outlet of the waste heat boiler and a waste gas reaction device connected with a gas outlet of the waste gas dust removing device; a water inlet of the heat pump is connected with a water outlet of a hollow electrode cooling system and a water outlet of the turbonator; a hot water outlet of the heat pump is connected with the inlet of a heat exchanger of the waste heat boiler; a cold water outlet of the heat pump is connected with a water inlet of the hollow electrode cooling system; and the outlet of the heat exchanger of the waste heat boiler is connected with a steam inlet of the turbonator. The sealed submerged arc furnace system has the advantages of high safety, improvement of product quality and yield and low consumption.

The invention discloses a vacuum suction-type screw-extrusion solid-liquid separation system. The vacuum suction-type screw-extrusion solid-liquid separation system comprises a screw extruding mechanism, a driving mechanism, a sealing box body, a vacuumizing machine, an airtight water tank and a continuous liquid discharging mechanism, wherein the screw extruding mechanism is connected with a continuous feeding mechanism and a continuous solid discharging mechanism, the driving mechanism is used for providing the rotation power, the screw extruding mechanism is sealed inside the sealing box body, the vacuumizing machine is communicated with the sealing box body through a pipeline and used for providing vacuum suction force to the vacuum suction-type screw-extrusion solid-liquid separation system, the airtight water tank is connected onto a pipeline between the sealing box body and the vacuumizing machine and used for collecting the liquid discharged from the screw extruding mechanism, and the continuous liquid discharging mechanism is arranged on the airtight water tank. By utilizing the integral vacuum suction principle, the vacuumizing machine which is arranged at the rear end is used for providing the vacuum suction force to the entire internal space, the reliability is high, the flow is optimized, the continuous suction function, the continuous solid / slag discharging function and the continuous liquid discharging function can be realized, the sewage waste treatment time is effectively saved, and the time cost and the labor cost can be greatly saved.

The invention discloses a curved ultra-long fermentation path methane generation device. The curved ultra-long fermentation path methane generation device comprises a feeding pipe, a discharging pipe and a U-shaped fermentation pipeline, wherein the U-shaped fermentation pipeline is horizontally arranged, the feeding pipe and the discharging pipe are vertically connected with two end sides of the U-shaped fermentation pipeline, a water pressure room is arranged at the upper part of the U-shaped fermentation pipeline, a drainage hole of the feeding pipe is formed at the joint of the water pressure room and the feeding pipe, the drainage hole of the discharging pipe is formed at the joint of the water pressure room and the discharging pipe, a gas blocking plate of the feeding pipe is arranged at the joint of the U-shaped fermentation pipeline and the feeding pipe, a gas blocking plate of the discharging pipe is arranged at the joint of the U-shaped fermentation pipeline and the discharging pipe, at least one gas blocking plate is further arranged between the gas blocking plate of the discharging pipe and the gas blocking plate of the feeding pipe, a fermentation area is formed between the feeding / discharging pipe and the adjacent gas blocking plate or between the adjacent gas blocking plates, and an independent gas collection pipe is arranged at the top of each fermentation area; the top of each fermentation area is connected with the independent gas collection pipe, and a valve body is arranged on the gas collection pipe; a U-shaped channel type fermentation device is adopted, so that a fermentation route is long; and the water pressure difference and the control of a single-way valve are used to realize full flow of biogas slurry in the system and drive the uniform distribution of strains, thereby effectively preventing encrustation, realizing high gas production rate; therefore the device is suitable for large-scale production.

The invention discloses a method for breeding freshwater shrimp parents by utilizing a river crab culture pond, which comprises the following steps of a, carrying out preparation before breeding; b, breeding seedlings; c, feeding; d, fishing the parents and separating the parents in different ponds. According to the invention, the freshwater shrimp parents are bred by utilizing superior ecological conditions and sufficient bait resources of the river crab culture pond; the patents bred by the method is higher than parents bred in a special pond in both the aspects of specification and yield; the specification and the quantity of carrying eggs of ovigerous females bred by the method are obviously higher than those of ovigerous females bred in the special pond; culture of river crabs is not influenced; freshwater shrimps mainly eat residual feeds of the river crabs and are properly additionally fed with soybean cakes and bran, so that pond port resources are saved and labor intensity is reduced.

The invention discloses an economical construction waste crushing device, which comprises a main motor, a rotating shaft, a gear, a gear plate, a pressure hammer, a guide pipe, a mounting plate, a spring hinge, a turning plate, an auxiliary motor, a roller knife, and a discharge port , column, feet and feed hopper, the main motor is connected with the gear through the rotating shaft, the gear is connected with the pressure hammer through the gear plate, the outside of the pressure hammer is provided with a guide tube, and the right side of the guide tube is welded There is a mounting plate, the mounting plate is connected with the turning plate through a spring hinge, the underside of the turning plate is equipped with an auxiliary motor, and the auxiliary motor is connected with the roller knife through the rotating shaft, and the underside of the roller knife is provided with an outlet A feed port, the discharge port is connected with the pad through a column. The equipment has strong integrity, adopts symmetrical design, integrates crushing and crushing, and adopts double feeding ports, which makes feeding faster and crushing more thorough. It is a set of economical construction waste crushing device with excellent performance.

The invention provides an automatic fish feeding control device and method. The device comprises a man-machine interaction device, an aquaculture aquatic light transmission detection device, a micro-controller and a feeding device, wherein the aquaculture aquatic light transmission detection device is connected with the feeding device through the micro-controller, and the man-machine interaction device is connected with the micro-controller. Aquaculture aquatic light transmission is detected by a photosensitive sensor, whether fish food feeding amount is proper or not is judged according to the aquatic light transmission, poor aquatic light transmission indicates excessive fish food feeding amount, feeding is decreased, good aquatic light transmission indicates too less fish food feeding amount, feeding is increased, and the fish feeding amount is automatically controlled.

The invention discloses an efficient conveying and punching device for luggage processing, and belongs to the field of luggage processing equipment. The efficient conveying and punching device comprises a machine frame, a workbench and a punching device are mounted on the machine frame, and a pressing device and a conveying device are arranged on the workbench. The pressing device comprises two sliding seats, pressing block driving mechanisms and pressing blocks. The conveying device comprises lifting mechanisms, conveying rollers and driven rollers. The conveying rollers rotates reversely andsynchronously with the driven rollers through a synchronous belt and a synchronous gear mechanism, and sliding blocks are provided with roller driving motors. A left-right screw bidirectional drive screw is further rotatably connected to the machine frame, two nuts with opposite screwing directions are mounted on the left-right screw bidirectional drive screw, and the two nuts with the opposite screwing directions are connected with the two sliding seats correspondingly. The punching device comprises a bracket, a sliding table, a punching head and a sliding table driving mechanism, and a punching motor is further mounted on the sliding table. The punching motor is connected with the punching head through a crank connecting rod mechanism. The efficient conveying and punching device not only can replace labor and reduce the manpower consumption, but also has a conveying function.

The invention relates to a method for promoting nature spawning of american shad by using an artificial culture ecological factor. The method comprises the following steps: (1) performing deep well water treatment; (2) selecting a reserved parent; (3) establishing a cultivation system; (4) performing seasonal cultivation on the parent; (5) realizing nature spawning; (6) arranging an egg collecting box at the water outlet of a cultivation pond, collecting fertilized eggs and putting the fertilized eggs into a conventional incubator for incubating. The maturation of pond-cultured american shad a germ cells is started and induced, and nature spawning is promoted finally via ecological regulation and control measures of water temperature, dissolved oxygen, regular water injection stimulation and the like, parent deaths caused by artificial spawning induction are reduced, and the labor intensity is lowered.

The present invention provides plant nutrient drink having functions of preventing fatigue and losing weight and a preparation technology thereof. Every 1,000 ml of the plant nutrient drink is prepared from the following raw and accessory materials in parts by weight: at least one kind of 20.0-120.0 g of fresh Chinese wolfberry fruits, 4.0-20.0 g of dried Chinese wolfberry fruits and 6.0-48.0 g of radix astragali decoction pieces, 0.05-150.0 g of a sweetener, 2.7-3.3 g of a pH value stabilizer, 0.0006-22.2 g of nutrients, 0-0.100 g of a pigment, 0-0.10 g of a flavoring agent, and the balance water. The preparation technology comprises single or compound prescription pretreatment liquid of Chinese wolfberry fruits and radix astragali preparing, blending, homogenizing, pre-sterilizing, filling, post-disinfecting, outer packaging, factory inspecting, etc. The prepared compound health-care sports drink has health-care functions of preventing fatigue, losing weight, preventing oxidation, enhancing body immunity and helping lower lipids, supplements nutrition, can quickly, significantly and enduringly relieve fatigue feelings of athletes, easily fatigued people, people in sub-health statuses and populations with over mental and physical labor, helps obese people to lose weight, and is good in taste, rich in nutrition, advanced in technologies, free of stimulants and preservatives, and suitable for large quantities of drinking.

The invention discloses a preparation method of a high-nutrition growth-promoting fermented beef cattle feed. The preparation method comprises the following steps: uniformly mixing seaweed residuals, soybean meal, beet molasses, pre-prepared Chinese herbal medicine mixed materials, straw dregs, barley malt, brown sugar, high-fructose corn syrup, edible salt, urea, potassium phosphate, sodium phosphate, magnesium sulfate, calcium hydrophosphate, multi-vitamin and a strain solution; and adding into a second reaction container for fermentation to obtain the high-nutrition growth-promoting fermented beef cattle feed. The high-nutrition growth-promoting fermented beef cattle feed prepared by the method disclosed by the invention is rich and balanced in nutrition, capable of satisfying the nutritional demands of beef cattle during growth, capable of increasing the absorption rate of the beef cattle for nutritional substances due to addition of the natural pollution-free pre-prepared Chinese herbal medicine mixed materials, and capable of prompting the growth of the beef cattle.

The invention relates to a rim-spoke welding device. The rim-spoke welding device comprises a frame, wherein a workbench used for placing a rim with a spoke clamped inside; a straight slot is transversely formed in the workbench; a driving mechanism used for driving the workbench to transversely slide and move back and forth is arranged on the frame; a welding gun mechanism used for welding peripheral seams of the rim and the spoke is arranged above the straight slot; a jacking mechanism used for jacking the rim with the spoke clamped inside is arranged in the straight slot right under the welding gun mechanism. The rim-spoke welding device is simple in structure and is capable of welding the spoke in the rim; a buffering cushion is capable of preventing a pressing plate from causing damage when pressing the spoke; a spring is capable of enabling the pressing plate to buffer instantly when touching the spoke in the rim; the pressing action is smooth; an adjusting mechanism is capable of adjusting the position of a welding gun; the rim-spoke welding device is high in practicability and adaptability.

The invention provides a stirring device for barreled water barrel production. The stirring device comprises a barrel body and a barrel cover, wherein a hopper is arranged on the barrel cover; the bottom of the barrel body is downwards projected to form a blanking groove; the lower inclined end of the blanking groove is opened to form a discharging opening; a plugging structure is arranged at theouter side of the discharging opening; a first spiral stirring shaft is arranged in the blanking groove; a vertically arranged electric heating stirring structure is arranged in the barrel body, and comprises a rotating pipe; the bottom side wall of the rotating pipe communicates with at least two branch pipes; the top of one end, far away from the rotating pipe, of each branch pipe is provided with a vertically arranged heat conduction pipe; an electric connection seat is arranged in a communicating position of the heat conduction pipe and the branch pipe; an electric heating pipe is arrangedinside the heat conduction pipe; the bottom end of the electric heating pipe is electrically connected with the electric connection seat; the electric connection seat is electrically connected with the outside; the rotating pipe and the first spiral stirring shaft are driven by a driving motor. The stirring device can be used as a feeding device of an extruding machine; the feeding is accelerated; the blockage is effectively prevented; in addition, plastic particles can be preheated; the subsequent melting is convenient; and the production efficiency is improved.

The invention belongs to the technical field of waste treatment, and particularly relates to a reinforced concrete waste treatment method. The reinforced concrete waste treatment method comprises the following steps that firstly, workers put the reinforced concrete into a treatment box from a feeding mechanism manually or by utilizing a feeding instrument; then a pre-crushing mechanism at the top of the treatment box pre-crushes the reinforced concrete waste fed from the feeding mechanism, the pre-crushed reinforced concrete falls down from a penetrating groove in the middle of a partition plate, a partition plate is fixedly arranged on the top between the inner walls of the two sides of the treatment box, the penetrating groove is formed in the middle of the partition plate, and the two sides of the outer wall of the top of the partition plate incline downwards towards one side close to the penetrating groove; and according to the reinforced concrete waste treatment method, waste materials sequentially enter a crushing cavity among a first crushing roller, a second crushing roller and a third crushing roller from the middle position, and reinforcing steel bars can be bent along spiral grooves in the outer walls of the crushing rollers and feeding rollers to be conveyed out of a discharging groove, or the reinforcing steel bars are bent and folded to be conveyed out of the discharging groove along with the spiral grooves in the outer wall of the feeding rollers.

The invention relates to a preparation method of high-quality olive kernel oil. The preparation method comprises the following steps: setting the drying temperature of a heat pump to be 55-65 DEG C, setting the drying time of the heat pump to be 20-30 hours, and setting drying moisture to be 5-7%; crushing olive kernels into 20-40-mesh particles by using a high-speed crusher; carrying out screening by using a 40-50-mesh vibrating screen, and taking lower-portion fine-particle olive kernels; performing ultrasonic-assisted treatment on the fine-particle olive kernels through ultrasonic and microwave heating combined auxiliary equipment, and performing microwave heating after ultrasonic treatment is stopped; discharging the olive kernels into a barrel of a presser, and carrying out pulse direct pressure pressing with pressing pressure set to be 100 t to 150 t and pressing time set to be 0.5 h to 1 h; pumping squeezed olive kernel oil into a storage tank, then pumping the oil into a filtering device through a high-pressure pump, and carrying out filtering; and taking a sample, and determining the oxidation resistance and the olive polyphenol content of the olive kernel oil.

The invention discloses a sand mold casting device for sand core production, and relates to the technical field of sand mold casting equipment. The sand mold casting device comprises a box body, support feet, a feeding mechanism, a fixing mechanism, a vibration mechanism and a door body. The four corners of the lower surface of the box body are fixedly provided with the support feet, the upper side of the inside of the box body is provided with the feeding mechanism, the lower side of the feeding mechanism is provided with the fixing mechanism, the front and rear ends of a fixing plate in thefixing mechanism are slidably arranged on second slide rails in the vibration mechanism through sliders, and the second slide rails on the two sides are fixed to the inner side walls of the front andback sides of the box body. A door body is in screw joint with the interior of an opening in the front side wall of the box body, the right end of the door body is screw joint to the right end of thebox body through a hinge, the left end of the door body is fixedly connected to the left end of the front side wall of the box body through a cross-shaped lock, and a membrane shell is clamped on thefixing mechanism. The fixing mechanism is driven to vibrate by the vibration mechanism, the tightness of pouring materials is increased in the vibration process, so that the membrane shell is fully filled with the pouring materials, core holes existing in casting pieces are reduced, the percent of pass is increased, and the advantages of reasonable arranging, low production cost and the like are achieved.

The invention relates to agricultural product quality detection equipment with a good detection effect. The equipment comprises a main body and a feeding hole, wherein the main body is internally provided with a crushing tank, a working tank, a switching mechanism, a mixing mechanism and a quantifying mechanism; the crushing tank is internally provided with a crushing mechanism; the mixing mechanism comprises a first motor, a first gear, a dissolving tank, two second gears and a plurality of paddles; the quantifying mechanism comprises a rotating disc, a swinging rod, a lifting rod, a push plate, a moving tube, a first valve and a second valve; the switching mechanism comprises a rotating unit and a lifting unit; the rotating unit comprises a second motor, a rotating wheel, a rotating groove and a plurality of water tanks. By adopting the agricultural product quality detection equipment with the good detection effect, due to adoption of the switching mechanism, types of buffer liquidscan be switched according to types of pollutants, operation of people is simplified, the detection time can be shortened, in addition, due to adoption of the quantifying mechanism, the agricultural product quality detection equipment is capable of precisely feeding materials, reducing errors and improving detection effects.

The invention discloses a closed double-layer barrel aerobic fermentation cylinder, comprising a support device, a barrel, a powder driving device, a ventilation device and a feeding and discharging system, wherein the barrel and the power driving device are respectively arranged on the support device; the barrel comprises a feeding fixed end cover, a middle rotating barrel and a discharging fixed end cover; the middle rotating barrel comprises an inner barrel and an outer barrel which are arranged along the same axial direction and are fixedly connected with each other by a connecting support plate; a material retaining seal structure is arranged between one end of the inner barrel of the middle rotating barrel and the feeding fixed end cover, and another material retaining seal structure is positioned between the other end of the inner barrel of the middle rotating barrel and the discharging fixed end cover; the feeding fixed end cover and the discharging fixed end cover are respectively connected with the middle rotating barrel by an end cover fixing device; each end cover fixing device comprises a rotation fixing structure and a rotation support structure. The closed double-layer barrel aerobic fermentation cylinder is simple in structure, high in working efficiency and degree of automation, reliable in operation and good in treatment effect, is free from odor spillover in the treatment process, and is capable of realizing harmless and resource utilization of kitchen wastes.

The invention discloses a centrifugal machine special for starch. The centrifugal machine special for the starch comprises a machine base, a shell, a main shaft component and a rotary drum, wherein the shell is fixed on the machine base; the main shaft component is mounted on the machine base; the rotary drum is arranged on the main shaft component; the rotary drum is positioned in the shell; a discharge port is formed in the lower part of the rotary drum; a liquid discharge channel is formed between the outer wall of the rotary drum and the inner side of the shell; the main shaft component is driven by a motor assembly; and a scraper component for scraping is mounted on the shell. The centrifugal machine special for the starch further comprises a feeding pipe and a cleaning pipe, wherein the feeding pipe is fixed at the top of the shell; the lower end of the feeding pipe extends to the bottom of the rotary drum; the cleaning pipe is fixed at the top of the shell; and the lower end of the cleaning pipe extends to the bottom of the rotary drum. The centrifugal machine special for the starch can separate the starch from yellow pulp well, so that the starch is pure white and the separation effect is good.

The invention belongs to the field of building engineering, and particularly discloses a gravel separating and drying device. A rack is connected with a rotary screen, a rotary motor which is used fordriving the rotary screen to rotate is further fixed on the rack, a bottom plate is further fixed on the rack, and the rotary screen is rotatably connected with the bottom plate; the inner wall of the rotary screen is fixedly connected with an inner gear ring, the lower portion of the bottom plate is rotatably connected with rotating rolls, the rotating rolls penetrate through the bottom plate, and a gear which is engaged with the inner gear ring is arranged on the outer wall of each rotating roll in a sleeving manner; a plurality of projections are arranged on the outer wall of each rotatingroll, the end, which is away from the bottom plate, of each rotating roll is connected with a telescopic cover, an electric heating wire is wound on each telescopic cover, an air inlet hole is formedin each telescopic cover, and a one-way valve is arranged in each air inlet hole; and an air inlet groove which communicates with the corresponding telescopic cover is further formed in the end surface, which is away from the bottom plate, of each rotating roll, an air outlet hole which communicates with the corresponding air inlet groove is further formed in the outer wall of each rotating roll,and an air outlet one-way valve is arranged in each air outlet hole. By the scheme, gravels are dried while being separated, two processes are combined, the time is saved, and the efficiency is improved.

The invention discloses a high-milk-yield type cow feed. The high-milk-yield type cow feed comprises the following raw materials in parts by weight: 16-38 parts of corn fibers, 12-22 parts of wheat, 7-16 parts of corn germ meal, 16-18 parts of carrots, 4-12 parts of naked-kernel pumpkin seeds, 1-8 parts of puffed soybeans, 2-8 parts of distillers' grain powder, 0.5-3 parts of table salt, 2-2.5 parts of brown sugar, 0.5-2.5 parts of cod-liver oil, 0.3-1.2 parts of calcium bicarbonate, 0.4-1 part of baking soda, 0.1-0.3 part of lysine, 0.35-0.8 part of sodium selenite, 0.06-0.34 part of composite vitamins, 0.03-0.3 part of a complex enzyme additive, 0.1-0.2 part of cod-liver oil and 8-15 parts of a Chinese herbal medicine additive. The cow feed provided by the invention is suitable for cow at a lactation period to eat, the healthy production of the cow is promoted, and the quality of produced milk is increased; the cow feed has the efficacy of promoting blood circulation, promoting lactation, nourishing the kidney, replenish qi to invigorate the spleen and enhancing the organism immunity; and the effects of promoting the cow to grow and promoting the lactation amount to be increasedare obvious while the health of the cow is guaranteed, and the milk production is increased, so that the economic benefits are increased.

The invention discloses a method for producing biogas by a biogas slurry reflux stirring device of an auger type biogas generation system. The method comprises the steps of pouring fermentation raw materials from a feeding pipe, fermenting in a fermentation pipeline to produce biogas, respectively gathering the biogas in fermentation areas formed between the feeding pipe / discharging pipe and adjacent gas blocking plates or between the adjacent gas blocking plates, enabling the biogas to occupy the space in the fermentation area, extruding biogas slurry to realize convection, and enabling the biogas slurry to flow to the feeding pipe, the discharging pipe and a bacteria distribution device, wherein the biogas slurry in the fermentation pipe flows into a water pressure room through a drainage hole of the feeding pipe, the drainage hole of the discharging pipe and a drainage pipe of the bacteria distribution device as the liquid level of the biogas slurry in the feeding pipe, the discharging pipe and the bacteria distribution device rises; and using the biogas stored in any one fermentation area, wherein the gas pressure of the biogas stored in the fermentation area is reduced, the biogas slurry in the adjacent fermentation area flows into the fermentation area, and the biogas slurry stored in the water pressure room flows back into the fermentation pipeline through the drainage hole of the feeding pipe, the drainage hole of the discharging pipe and the drainage pipe of the bacteria distribution device to supplement the reduced biogas space, thereby completing the circulating flow of the biogas slurry.

The invention discloses an auxiliary device for feeding limiting of a stamping die. The device comprises a supporting plate, wherein a U-shaped feeding abutting plate with a downward opening is arranged on the supporting plate in a left-right sliding mode; a cuboid-shaped limiting blocking strip arranged in the front-back direction is formed at the right end of the upper end face of the supportingplate; a plurality of avoiding grooves penetrating through the limiting blocking strip in the left-right direction are formed in the limiting blocking strip and divide the limiting blocking strip into a plurality of parts; the height of the limiting blocking strip is equal to the gap between the lower end face of the horizontal part of the feeding abutting plate and the upper end face of the supporting plate; a plurality of lifting grooves are formed in the left end face of the horizontal part of the feeding abutting plate; the lifting grooves correspond to the avoiding grooves in a one-to-one mode, and the front side walls and the rear side walls of the lifting grooves are positioned on the same vertical plane as the front side walls and the rear side walls of the avoiding grooves correspondingly; and the lifting grooves are arranged in an up-down penetrating mode, and the feeding abutting plate is vertically and movably arranged in the lifting grooves.

The invention relates to the technical field of crushing processing, and discloses a straw crushing device capable of reducing dust diffusion and used in biomass power generation. The device comprisesa body; the top of the body is fixedly connected with a feeding tube; the top of the feeding tube is fixedly connected with a barrier chamber; a socket is opened on one side of the barrier chamber, and an insertion plate is inserted into the socket; the top of the barrier chamber is fixedly connected with a feeding hopper; the bottom of the feeding tube is fixedly connected with a crushing chamber; the crushing room is located at the top of the body cavity; and the crushing chamber is internally provided with a crushing device. The straw crushing device capable of reducing dust diffusion andused in biomass power generation accelerates the feeding speed to improve working efficiency through the feeding hopper; the insertion plate on one side of the barrier chamber facilitates the use of the insertion plate to block the feeding tube during the straw processing, thereby avoiding the influence of dust diffusion on the health of staff during processing, and protecting the environment; andthe inserted plate is easy to operate and has a good blocking effect.