119results about How to "Avoid wastage" patented technology

The invention discloses a honey filter unit and a filter method thereof. The honey filter unit comprises a filter tank body, a filter tank cover, a filter material and a delivery pipeline. On the premise of complying with the principle of gravity filtration in deep processing of honey industry, the unit substitutes the traditional bag filter method with the overall-process-computer-control honey primary pulp filter method using a stainless-steel-screen caisson-type filter screen box, and changes the filter technique of manually cleaning the filter material in the past, thereby reducing the labor intensity of workers and improving the working environment; and the method avoids the damage of the filter material due to the repeated turnover in the process of manually cleaning the filter bag, avoids the loss and waste of the detergent and residual primary pulp, and more importantly, avoids secondary pollution of the product due to manual operation, thereby greatly enhancing the production efficiency.

The invention discloses a planting method for interplanting rhizoma bletillae in red oak forest. The planting method includes 1), treating seeds; 2), preparing lands and manufacturing nursery; 3), manufacturing beds; 4), sowing the seeds and growing seedlings; 5), selecting planting lands; 6), transplanting the seedlings; 7), interplanting the rhizoma bletillae; 8), mulching films; 9), carrying out later-period management. The planting method has the advantages that the rhizoma bletillae and crops are interplanted, accordingly, land resources can be sufficiently utilized, and the rhizoma bletillae and the crops do not affect one another in growth procedures; processes for sowing the red oak seeds are improved, accordingly, radicals can advantageously downwardly grow, and the germination rate and the emergence rate can be increased; soil for sowing the seeds and growing the seedlings is reasonably disinfected, and accordingly the survival rate of the seeds can be increased.

The invention discloses an energy-saving type highlight non-trace injection mold temperature control system, including a mold temperature machine part, a router control unit, a heating part, a water-cooling part, a gas blowing part, and a water replenishment part. The invention adopts adjustable water injection capacity high-temperature water storage tank at the heating part heat source link of the system, adds a high-temperature booster pump, a superheater, and recycled heat gain bypass for energy storage and concurrent heating; adopts a pressure reducing valve for pressure reduction direct recovery of 175 DEG C, 0.9MPa high-temperature waste heat in the waste heat recovery link; in the water-cooling part cold source link, adopts cooling water tower to make 16 DEG C cold water, and is cooled by high-pressure water pump high speed injection mold; and a corresponding control implementing unit is provided in the control unit mold temperature machine, so that the invention overcomes problem and insufficiency of the existing technology like large energy consumption and low heat energy use ratio, the provided energy-saving type highlight non-trace injection mold temperature control system achieve the object of improving heat energy use ratio, saving energy and reducing consumption under the precondition of satisfying the equal process effect.

The invention discloses a novel leaching separation method for a nickel-cobalt alloy material containing molybdenum and vanadium. The method comprises the following steps: S1, preparing raw materials;S2, carrying out a slurry reaction on the raw materials; S3, carrying out pressurized leaching to discharge iron; and S4, recovering valuable metals. According to the method, reaction parameters arecontrolled preferably by carrying out the slurry reaction on the raw materials and carrying out pressurized leaching to discharge iron, and iron in the alloy material is optimally converted into a stable goethite form to be precipitated fixedly, so that the problem that the molybdenum and vanadium recovery rate is low as molybdenum and vanadium are introduced into iron slag as oxidized trivalent iron is easily reacted with molybdenum and vanadium in a solution in an oxidizing iron removal process in an existing process is solved effectively, and the valuable metals molybdenum, vanadium, cobaltand nickel in the alloy material can fully enter a filtrate to be separated and recycled subsequently, and therefore, the valuable metal resources in the alloy material are recycled fully. The wholeprocess is high in coherent operability, the process cost is reduced obviously, and the method is efficient and environment-friendly and high in industrial practical value.

The invention discloses a fodder baler with a packaging bag sealing device. The fodder baler includes a machine body, and a fodder storehouse and a control system arranged at the top of the baler, wherein the bottom of the fodder storehouse is provided with a conical discharge hopper arranged on the front side of the machine body; a positioning ring is fixed to the lower portion of the conical discharge hopper; discharge guide canisters and pneumatic bag holders are suspended on the positioning ring through at least three weighing sensors uniformly arranged on the positioning ring along the circle; the upper end of the discharge guide canister is arranged in a hopper shape and is movably sleeved with the lower end of the conical discharge hopper; a discharge valve is arranged at the lowerportion of the conical discharge hopper; the front side, below the discharge guide canister, of the machine body is provided with a conveyor belt running to the left side; the height of the belt surface can be adjustable up and down; and the packaging bag sealing device is arranged on the left side of the machine body. Through the weighing sensor, the real-time weighing in the bagging process of fodder can be realize so as to ensure the consistency and stability of the package weight in the fodder packaging; when the fodder is loaded, the pneumatic bag holders can clamp the bag mouth to prevent the fodder from falling; the loss and waste of the fodder are avoided; and the conveyor belt and the floor are clean.

The invention provides a method for cultivating a selenium-rich garlic plant material. In the selenium-rich garlic plant material, the content of selenium is 1mg / kg to 2000 mg / kg, and the selenium existed in a form of Se-methylselenocysteine accounts for not less than 85% of the total content of the selenium. The planting method is characterized by comprising a combined method of soaking a variety of garlic with a self-made selenium-contained regulation liquid and adding a selenium-rich fertilizer into a garlic growth medium in garlic growing process. According to the invention, the above-mentioned method can provide stable and effective selenium source supply for the variety of garlic, promotes the garlic to absorb and accumulate the selenium, realizes effective transfer of the selenium to the garlic, and avoids a poisonous risk on a garlic growth environment due to excessive selenium; meanwhile, through the addition of selenium-contained biomacromolecules, the transfer of inorganic selenium to organic selenium is more thoroughly and more efficient; loss and waste of the selenium are avoided; and selenium content in a final garlic product can be guaranteed.

The invention provides a beneficiation method for recovery of fluorite in white tungsten heating cleaner tailings, relates to the technical field of beneficiation of fluorite floatation, in particular to the technical field of the beneficiation of fluorite floatation recovery in the white tungsten heating cleaner tailings, and successfully solves the problem of difficulty in comprehensive recycling of the fluorite in the white tungsten heating cleaner tailings. According to the method, a process including steps of differential flotation of calcium carbonate and the fluorite floatation is adopted, gangue minerals such as calcium carbonate with good floatability are removed through differential flotation, then the fluorite floatation is performed, the fluorite concentrate containing 91.88% of CaF2 and 34.32% of CaCO can be obtained, and the recovery rate of CaF2 of the fluorite concentrate is 46.07%.

The invention relates to the technical field of intelligent household appliances. The invention further discloses a quantitative water injection device of awater dispenser for ablind based on anelectromagnetic induction principle. The device comprises a shell and a carrier plate, an ejector rod is fixedly connected to the interior of the shell, a chute is formed in the inner surface of the shell,a gear is movably connected to the interior of the shell, a chain is movably connected to the exterior of the gear, a movable block is movably connected to the exterior of the chain, and a sliding block is movably connected to the interior of the shell; under the interaction of theshell, thecarrier plate, theejector rod, thechute, thegear, hechain, themovable block, thesliding block, aconnecting block, a direct illuminating lamp, a photoresistor and a water injector, when the device is used by a blind person, the carrier plate carrying the water cup can move only by pressing the button corresponding to cold water and hot water, then the water cup is conveyed to the corresponding position of the water injector under the action of the photoresistor, and therefore the device has the precise water receiving function, and daily use of the blind person is facilitated.

The invention discloses an anticorrosion thermal shock-resistant ceramic wear-resistant material. The anticorrosion thermal shock-resistant ceramic wear-resistant material comprises 30% of brown fused alumina particles with granularity of 5-3mm, 15% of fused alumina zirconia particles with granularity of 3-1mm, 10% of silicon carbide particles with granularity of 1-0.2mm, 10% of sintered alumina with granularity of 1-0.1mm, 10-20% of composite ceramic nanometer powder, 5-30% of aluminate cement, 1-5% of a compound antiknock agent, 0.25% of a compound water reducer and 5-8% of industrial softened water. The compound antiknock agent comprises two or more of water-soluble explosion-proof fibers, aluminum lactate, metal aluminum and stainless steel fibers. The compound water reducer comprises two or more of sodium polyphosphate, sodium tripolyphosphate, sodium hexametaphosphate, sodium humate and sodium silicate. The anticorrosion thermal shock-resistant ceramic wear-resistant material is used for a blast furnace roof gas sealing plate, a cyclone dust collector, a granulation tower water granulated slag trench of a blast furnace granulating slag system, sintering machine bellows, a sintering machine flue gas cycle pipe and a sintering machine dedusting pipe and has good wear resistance, high temperature resistance, corrosion resistance and thermal shock stability.

The invention relates to the technical field of raw material moisture treatment equipment for feed production, in particular to a raw material moisture treatment device with a quantitative treatment structure for feed production. The raw material moisture treatment device comprises an outer support frame, wherein a pretreatment mechanism is fixedly mounted at the top of the outer support frame and comprises an extrusion assembly, the extrusion assembly comprises a filtering hopper, filtering through holes are evenly formed in the bottom of the filtering hopper, and a pressing plate is inserted into the filtering hopper. According to the device, after a quantitative barrel is filled with feed raw materials, two groups of blocking plates move to be closed, a third contact sensor makes contact with a first contact sensor, an electric sliding rail is controlled to drive a door plate to move to be opened, so that the device conducts quantitative intermittent feeding into a drying mechanism, blockage caused by continuous conveying of the raw materials in a drying cylinder is effectively avoided, the stability of the device during moisture treatment is guaranteed, and the working efficiency is guaranteed conveniently.

The invention discloses a daily photovoltaic water heater which is characterized in that an energy collecting device adopts a solar battery connected with an automatic solar battery maximum power point tracker and a DC heat pipe in a water storage barrel, so the installation is very random and convenient, and the water storage barrel can be installed in a washroom; a big water outlet pipe is connected to the front part of a water outlet pipe, and an AC commercial power dynamic electric heating pipe is arranged in the middle of the big water outlet pipe; in a day with strong light, the water-out temperature can reach the required temperature only through the solar energy, whereas, in a day with weak light, the water-out temperature is slightly lower than the required temperature, the AC commercial power dynamic electric heating pipe can automatically heat the water as long as a hot water tap is opened so as to allow the water-out temperature to reach the required temperature; in case of continuous days without light in winter, water in the water storage barrel can be preheated through AC commercial power dynamic electric heating pipe manually or automatically; and as a leakage protect wall is added, the safety of the users can be ensured in case of the failure of routine anti-electric shock measures.

The invention provides a horizontal automatic skewer baking machine which is provided with a housing and a housing cover. Multiple supports are arranged inside the housing in parallel, multiple rectangular holes rightly facing the supports are formed in the housing cover, rollers for skewer arrangement are arranged inside the supports, the upper portions of the rollers are arranged outside the rectangular holes, the rollers are of cylinder cage-shaped structures, a motor for driving the corresponding roller to turn over is arranged outside one end of each support, heating tubes for skewer baking are arranged inside the supports and on two sides of each roller, oil drip plates are arranged under the rollers, tempered glass covers are arranged above the upper end face of the housing cover and the rollers, and the motors drive the rollers to turn over so as to enable skewers to be evenly baked. The horizontal automatic skewer baking machine avoids the problem that oil-water drips drop onto the heating tubes to produce lampblack in baking, is suitable for various skewers, facilitates oil brushing and seasoning scattering in baking, ensures that the skewers are not polluted in the baking process and has the advantages of being high in skewer baking efficiency and safe in operation, reducing the labor intensity of an operator and the like.

The invention relates to a cooling system of a photovoltaic power generation module. The cooling system solves the technical problems that a current photovoltaic power generation module is over-high in running temperature and heat is lost and wasted. The cooling system comprises a photovoltaic power generation module and is characterized in that an absorber plate is arranged on one side of the photovoltaic power generation module, a working medium channel is arranged in the absorber plate, and the absorber plate is communicated with a compressor and a heat exchange device through a working medium conduit to form a loop. The running temperature of the photovoltaic power generation module is reduced, attenuation of a system is reduced, the service life of the system is prolonged, photovoltaic power generation efficiency is improved, the heat generated in running of the photovoltaic power generation module is recycled, and loss and waste of the heat are avoided.

The invention provides a heat exchange unit operation control method and system. The method comprises the following steps that the supply water temperature and the return water temperature of the secondary side of a heat exchange unit and the return water temperature of each building or apartment are obtained; the thermal unbalance degree of each building or apartment is calculated by using the data obtained in the above step, and the minimum thermal unbalance degree value is determined; whether to adjust the set frequency of a circulating pump or not is judged according to the relationship between the minimum thermal unbalance degree value and a set threshold value; and the heat exchange unit operates according to a comparison table or a characteristic curve of the outdoor average temperature and the secondary pipe network supply and return water average temperature. The system comprises a PLC controller, the heat exchange unit, an electric control valve, a frequency converter, the circulating pump and a building or an apartment. By means of the operation control method, the purpose of saving the power consumption of the circulating pump to the maximum extent can be achieved on the premise that the heating effect and the heat consumption of the heat exchange unit are not changed, and therefore the heating operation cost can be reduced.

The invention discloses an efficient feed baler. The efficient feed baler comprises a machine body, a feed bin and a control system, wherein the feed bin and the control system are arranged at the top; a cone-shaped discharge hopper placed on the front side of the machine body is arranged at the bottom of the feed bin, and a positioning ring is fixed to the lower part of the cone-shaped dischargehopper; a discharge guide cylinder and a pneumatic bag clamp are arranged on the positioning ring in a hanging mode by at least three load cells uniformly arranged along one circle of the positioningring, and the upper end of the discharge guide cylinder is arranged in a funnel shape and movably sleeves the lower end of the cone-shaped discharge hopper; a discharge valve is further arranged on the lower part of the cone-shaped discharge hopper, and a conveyor belt running to the left side is arranged on the front side of the machine body below the discharge guide cylinder, wherein the heightof the belt surface can be adjusted in lifting and lowering modes; and a packaging bag sealing device is arranged on the left side of the machine body. Real-time weighing in the bagging process of feed can be realized through the load cells so as to ensure the consistency and stability of the package weight in feed packaging; and the pneumatic bag clamp can clamp bag openings when loading the feedto prevent the feed from falling, and the loss of feed waste is avoided while the conveyor belt and a floor are kept clean.

A multi-compartment water-soluble capsule thermoformed from two sheets of water-soluble film, the capsule comprising a least two compartments with a different part of a detergent composition in each compartment, the two sheets of film being sealed together to form seal areas around each compartment, all the seal areas lying substantially in a first plane; —the capsule having at least one larger volume outer compartment and at least one smaller volume inner compartment generally enclosed in the first plane by the outer compartment(s), the outer compartment(s) being separated from the inner compartment(s) by a continuous partition seal area which is substantially rectangular and lies in the first plane, —the outer compartment(s) having a generally rectangular outer perimeter with rounded corners and a substantially uniform cross-section taken along a plane perpendicular to the first plane and perpendicular to the inner seal separating the inner and outer compartments.

The invention discloses a stubble cutting and soil covering type spatial layering fertilization device, and belongs to the field of agricultural machinery. The stubble cutting and soil covering type spatial layering fertilization device comprises a fertilization pipe group, and a double-disc stubble cutting mechanism, a layering fertilization shovel and a side-position soil crushing and pressing mechanism which are sequentially arranged below a beam group component from front to back, wherein the fertilization pipe group is connected with a fertilizer supply device above the fertilization pipe group, the fertilization pipe group penetrates through the side-position soil crushing and pressing mechanism, and an outlet group of the fertilization pipe group is arranged between the layered fertilizing shovel and soil crushing and pressing wheels of the side-position soil crushing and pressing mechanism; and a middle-layer left-side fertilization bifurcated pipe and a middle-layer right-side fertilization bifurcated pipe are fixedly connected to the lower end of a middle-layer fertilizer distributing pipe in the fertilization pipe group through elbows, and side wing soil distributing shovels are arranged in front of the middle-layer left-side fertilization bifurcated pipe and the middle-layer right-side fertilization bifurcated pipe. Soil blocks disturbed above two side wings of the layering fertilization shovel can be pressed and crushed, besides, soil on the two sides is rapidly pressed into a fertilized ditch, active soil covering is achieved, a fertilizer on each layer is rapidly supported by the soil after being discharged out of a fertilizer discharging opening, and falling of the fertilizer on the upper layer is reduced.

The invention discloses a composite phosphorus removal material based on collophanite and an application method of the composite phosphorus removal material. The composite phosphorus removal materialis a granular material prepared by taking collophanite, a material rich in active magnesium oxide and calcium sulfate as main raw materials. The obtained material is used as a filtering and percolating medium material for phosphorus removal, is used for deep phosphorus removal of phosphorus-rich water such as domestic sewage, black and odorous water bodies and farmland water, and has the advantages of wide raw material source, low material preparation cost and good phosphorus removal effect.

The invention provides a production monitoring multi-stage sampling device for chemical product processing and a sampling method of the production monitoring multi-stage sampling device, belongs to the technical field of chemical sampling, and aims to solve the problem that illegal personnel easily steal chemical products in a large stirring tank due to lack of a protective structure at a sampling pipe orifice of an existing multi-stage sampling device. Theproduction monitoring multi-stage sampling device includes a stirring tank body; a sampling part is arranged on the front side of the stirring tank body; a protection box fixed at the lower part of the front side of the stirring tank body is arranged outside the front end of the sampling part; a locking box is arranged on the left end face of the protection box, a driving piece is magnetically attracted to the left end face of the locking box, and a locking part and a driving screw rod are arranged in the locking box. An upper box door of the protection box is locked through the locking part, so that when a illegal personnel want to open the upper box door of the protection box, the box door of the protection box can be opened by virtue of a driving piece carried by a sampling person, the illegal personnel are difficult to steal chemical products in the stirring tank body, and the use reliability of the multistage sampling device is improved.

The invention discloses a MVR multi-effect evaporation condensate recycling system. According to the invention, a live steam pipeline is connected with a steam saturator; the steam saturator is connected with a first-effect evaporation group through a pipeline; condensate generated by the first-effect evaporation group enters the steam saturator through a pipeline; condensate generated by a middle-effect evaporation group and a tail-effect evaporation group respectively enters a condensate tank through pipelines; the condensate tank is connected with a preheater through a pipeline; the preheater is connected with a raw material liquid pipeline and is connected with the first-effect evaporation group through a pipeline; secondary steam generated by the tail-effect evaporation group enters the steam saturator through a pipeline and a compressor; and the tail-effect evaporation group is connected with a concentrated liquid pipeline. The MVR multi-effect evaporation condensate recycling system of the invention can recover condensate generated in a MVR multi-effect evaporation system and reuses the high-temperature condensate in the evaporation system, so energy loss and waste in the high-temperature condensate are avoided, heat in the condensate is effectively utilized, energy consumption and water resources in the evaporation system are saved, and the utilization rate of energy isincreased.

The invention discloses an intelligent fodder discharging system with a function of preventing dust from drifting away. The system comprises a baseboard, a U-shaped board is fixedly connected to the upper surface of the baseboard through two supporting boards, a motor is fixedly connected to the lower surface of the U-shaped board and located between the two supporting boards, a coil is fixedly connected to the output shaft of the motor, clamping devices are fixedly connected to both side surfaces of the coil, and the clamping devices comprise pull roes. According to the intelligent fodder discharging system with the function of preventing the dust from drifting away, the motor is controlled to rotate in the backward direction to make the pull ropes loose, so that a rectangular clamping block is connected into a first sliding groove in a clamping mode, and then an opening of a fodder bag is closely attached to the outer surface of a fodder discharging cylinder; a sliding board is pulled forward through a handle, so that fodder falls into the fodder bag through the fodder discharging cylinder; due to the fact that the fodder discharging cylinder is wrapped and closed by the openingof the fodder bag, it is avoided that the dust drifts away everywhere in the falling process of the fodder, so that damage to a worker of the dust is avoided, and work of the worker is promoted.

The invention discloses an oriented strand board production system provided with a flame retarding agent spraying structure and a production method of oriented strand boards. The production system comprises a flaking device, a wet flaking conveying device, a wet flaking stock bin, a drying device, a first dry flaking conveying device, a screening device, a dry flaking stock bin, a second dry flaking conveying device, a glue stirring device, a paving device, a hot pressing device and the flame retarding agent spraying structure; and the flame retarding agent spraying structure is connected withthe flaking device, the first dry flaking conveying device and / or the second dry flaking conveying device, the glue stirring device and the paving device. Multiple-work-procedure spraying is adoptedfor the system, flaking absorbing is sufficient, and a flame retarding agent is distributed uniformly; various types of flame retarding agent solutions are sprayed while flaking is performed, an excellent flame retarding agent covering rate can be acquired unexpectedly, and the temperature lowering amplitude of a knife ring and a blade is further improved. A flame retarding oriented strand board obtained due to treatment is good in flame retarding performance; and the physical performance of the obtained oriented strand board is equivalent to that of an oriented strand board produced and pressed without adding a flame retarding agent.

The invention belongs to the field of flue gas treatment, and especially discloses a flue gas absorption process based on acidic ammonia treatment technology. In view of the conventional problem thatflue gas cannot be well treated and heat in the flue gas cannot be utilized, the scheme is provided which includes the following steps: S1, an evaporation box is arranged on the bottom of a purification tower, a spiral tube is arranged on the outer side of the evaporation box, one end of the spiral tube is a flue gas inlet, the other end of the spiral tube is a flue gas outlet, and the flue gas outlet communicates with the purification tower; S2, the flue gas enters the spiral tube through the flue gas inlet, the flue gas flows in the spiral tube to enable the heat in the flue gas to preheat the evaporation box, and the flue gas enters the purification tower through the flue gas outlet; and S3, the flue gas is in contact with ammonia water in the purification tower for reaction. The flue gas absorption process based on the acidic ammonia treatment technology can well treat the flue gas, and can utilize the heat in the flue gas to avoid the loss of the heat and save the consumption of resources.

The invention discloses an efficient building sand screening device capable of preventing meshes from being blocked. The device comprises a sand screening tank body and an arc-shaped track plate, the sand screening tank body is of a cylindrical structure, and the arc axis of the track plate and the rotation center line of the sand screening tank body are parallel and located on the same vertical plane; and a plurality of vertical supporting legs are welded to the bottom of the track plate, a collecting opening is formed at the bottom of the track plate, and a feeding opening and a waste opening are formed at the two ends of the sand screening tank body respectively. The efficient building sand screening device has the beneficial effects that in the rotating process of the sand screening tank body, sand always makes contact with two to three screens for screening, meanwhile, the axial size of the sand screening tank body is larger, a large amount of sand can be screened at the same time, and impurities such as gravel and garbage blocked by the screens in the sand can be conveyed through auger blades and finally leave the sand screening tank body from the waste opening; and the sand can be screened without shutdown, the screening efficiency and the sand screening thoroughness are greatly improved, and the efficient building sand screening device is particularly suitable for screening requirements of building construction.

The invention discloses a flame-retardant oriented-structure strand board improved production device and technology. An oriented strand board production system comprises a wet strand board conveying device, a wet strand board stock bin, a drying device, a dry strand board first conveying device, a screening device, a dry strand board stock bin, a dry strand board second conveying device, a glue blending device, a spreading device, a hot pressing device and a flame retardant spraying structure; and the flame retardant spraying structure is connected with the wet strand board conveying device, the dry strand board first conveying device, the dry strand board second conveying device, the glue blending device and the spreading device. According to the flame-retardant oriented-structure strandboard improved production device and technology, multi-procedure spraying is adopted, strand boards can sufficiently absorb a flame retardant, the flame retardant is uniformly distributed, the situation that the spraying quantity of the flame retardant during a single procedure does not reach the standard, thus, the flame retarding performance of the boards are unqualified, or the spraying quantity of the flame retardant is too large, the surfaces of the strand boards cannot absorb the flame retardant in time, and the flame retardant runs off and is wasted is avoided. The flame-retardant oriented strand boards obtained through processing are good in flame retarding performance, and equivalent to oriented strand boards produced and pressed without adding the flame retardant in physical performance.

The invention discloses an e-commerce transaction system based on a mobile phone terminal. The e-commerce transaction system comprises a registration login module, a server, a database, a data acquisition module, a behavior analysis module, a storage module, a display module, a payment order management module, a member grading module and a payment verification module. According to the invention, the behavior analysis module is combined with the transaction information of the user and the transaction information of the platform, the category deviation value of the user for each category can beobtained based on the analysis of the transaction information of the user for each product category, and the category position is adjusted based on the category deviation value, so the customer stickiness of the user and the e-commerce platform is effectively improved, and the possibility of user consumption is indirectly increased; and the payment order management module performs descending sorton the payment orders at the same moment according to the processing priority values to generate a processing priority table of the payment orders, the larger the processing priority values are, the shorter the waiting time for delivery is after the corresponding user pays successfully, and better shopping experience is provided for the client.

The invention relates to an exhaust steam recovery system and belongs to the technical field of chemical devices. The exhaust steam recovery system comprises an exhaust steam recovery pump and a pressure regulating valve. A steam inlet assembly pipeline of the exhaust steam recovery pump is connected to a power station steam network. An expanding pipeline of the exhaust steam recovery pump is connected to a user side. A user side pipeline is connected to a flash tank. One pipeline of the flash tank is connected to an exhaust steam intake chamber of the exhaust steam recovery pump. The other pipeline of the flash tank is connected to a condensate recovery mechanism. The pressure regulating valve is controlled through a controller. The controller is in signal connection with a pressure transmitter used for detecting pressure of the pipeline between the exhaust steam recovery pump and the user side. The exhaust steam recovery system is simple in structure and reasonable in design; while heat energy of power station steam is not lost, steam from steam condensate is recovered, and pressure relief using relief valves causes waste of the steam from power stations in the prior art is avoided; based on 50t of daily steam consumption, about 300,000 Yuan of economic benefit can be produced yearly.

The invention discloses a multifunctional washing basin, which includes an outer basin body (1), as well as an inner basin body (2), a handle (4), clamping blocks I (5) and clamping blocks II (6), wherein the handle is arranged at the top of the inner basin body; the bottom of the inner basin body takes the shape of a filter screen; the inner basin body is placed inside the outer basin body; spaces for accommodating the clamping blocks I and the clamping blocks II are arranged between the two basin walls; the clamping blocks I are fixed at the two ends at the top on the inner side of the basin wall of the outer basin body; one end of each clamping block II is connected with the outer side of the basin wall of the inner basin body, and the other end of each clamping block II is suspended on the outer side of the basin wall of the inner basin body in a clinging manner. The multifunctional washing basin has the benefits that the bottoms of the inner basin body and the outer basin body are tightly clung, a user can lift up the inner basin body by pulling the handle after vegetables or small food particles are washed, water can be discharged in the outer basin body through the bottom filter screen, small food particles are prevented from washing away and wasting, the ends not connected with the basin wall on the outer side of the inner basin body, of the clamping blocks II are opened and vertical to the basin wall, so as to be clamped onto the clamping blocks I, so that the inner basin body is suspended, water drop left on vegetables can be discharged through the bottom filter screen, as a result, food can be dried in the air.

The invention discloses a fodder falling intelligent system with the dust wafting prevention function. The system comprises a bottom plate, a U-shaped plate is fixedly connected to the upper surface of the bottom plate through two supporting plates, the lower surface of the U-shaped plate is fixedly connected with a motor, the motor is located between the two supporting plates, a rope disc is fixedly connected to an output shaft of the motor, clamping devices are fixedly connected with the two side faces of the rope disc, and the clamping devices comprise traction ropes. According to the fodder falling intelligent system with the dust wafting prevention function, the motor is controlled to reversely rotate to enable the traction ropes to be loosened, a square clamping block is clamped in a first sliding groove, an opening of a fodder bag is tightly attached to the outer surface of a discharging cylinder, a handle can pull a sliding plate forwards, the fodder falls in the fodder bag through the discharging cylinder, due to the fact that the opening of the fodder bag wraps and seals the discharging cylinder, the phenomenon that in the falling process of fodder, dust wafts is avoided, the injury of the dust to a worker is avoided, and worker work is facilitated.

The invention relates to a straw returning type planting method of selenium-enriched garlic. The planting method comprises the steps of land selection and soil preparation, seed garlic selection, selenium-enriched matrix preparation, garlic pre-treatment, sowing and seedling raising, field management, timely harvesting and the like. According to the method, crop straw of the previous season is returned to the field to serve as a part of base fertilizer, the content of Se in soil is increased, then the planted garlic becomes the selenium-enriched garlic, and the consumption of chemical fertilizer is reduced; the content of selenium in the planted garlic is 3-2500 mg / kg, and the selenium existing in the form of selenium methylselenocysteine accounts for 87.8% or above of the total selenium content. The method is easy and convenient to operate, easy to manage, few in disease and insect pest, safe, environmentally friendly and low in production cost. The planted garlic is rich in nutrition, the selenium content is high, the economic value of the garlic is improved, the problems that cultivation is limited by soil and soil quality conditions, the selenium content is low and the environment pollution is severe, and the method is worthy of application and popularization.