59results about How to "Uniform water volume" patented technology

The invention relates to a combined apparatus for advanced treatment of high concentration organic waste water. The apparatus comprises a pretreatment buffer tank, an anaerobic reactor, a pressurized aeration stirring system, a photocatalytic reactor, a filter chamber, a backwashing system, a back flow line pipe system and the like. Preliminary treatment of high concentration organic waste water is carried out by using an anaerobic method after waste water is pretreated, then advanced treatment of primary treated water is carried out by using a photocatalysis method, and furthermore, effluentis filtered with the filter chamber. The apparatus provided in the invention can both profoundly remove high concentration organic matters and ferro-manganese ions in waste water and prevent secondary pollution, has the advantages of small energy consumption, high efficiency, a good effect and the like, is applicable to treatment of high concentration organic waste water and can guarantee stable and highly efficient water yielding and the quality of reused water.

The invention relates to a circuit board wet-lamination method and a circuit board wet-lamination device. The method comprises the following steps of: cleaning and blow-drying the surface of a circuit board, wetting the surface of the circuit board with water in a way of spraying water mist onto the surface of the circuit board or the surface of a dry film or the surfaces of both the circuit board and the dry film, laminating the dry film onto the surface of the circuit board, and then applying temperature and pressure to tightly attach the dry film onto the surface of the circuit board. A spray type water coating device required by the method consists of a water mist generation device, a nozzle and spray direction regulation device, a sensing device and an outer cover. Compared with a conventional direct dry-film lamination method, the method can effectively increase the yield rate and improve the quality of the circuit board.

The invention discloses a sowing apparatus for vegetable plantation, and belongs to the technical field of vegetable plantation. The sowing apparatus comprises a box, a fixed plate, a rotation disc, and a rotation rod. Through a seed box, seeds fall in the placing hole of the rotation disc; the size of the placing hole determines the number of filled seeds; the water amount of a water tank is thesame for each watering, the seed number for each sowing is uniform, and the water amount is uniform. When the placing hole of the rotation disc rotates to a top hole, seeds fall into soil through thetop hole and a bottom hole, sowing is finished, then a water storing tank in the rotation rod rotates to the bottom hole later, through a raised block, a moving plate is jacked up, water moves along awater guiding disc and is sprayed on the seeds through the bottom hole, and watering is finished. Sowing and watering are finished continuously, and the work efficiency is improved. An axle is connected to a second motor through a grooved wheel and a drive plate so as to rotate a moving wheel intermittently; during the stop period, sowing and watering are performed, seeds and water are accuratelyadded into a hole, and the sowing precision is further improved.

The invention discloses a domestic sewage treatment process which saves water, is good in treatment effect and meets the discharge standard. The treatment process includes the following steps that 1,pretreatment is conducted, wherein domestic sewage is intercepted by a structure with grids and automatically flows into an adjustment pool; 2, biochemical treatment is conducted, wherein sewage adjusted by the adjustment pool is sequentially sent to an anaerobic pool and an aerobic pool through a lift pump for biochemical treatment; 3, precipitation treatment is conducted, wherein sewage treatedby the aerobic pool enters a secondary sedimentation pool for precipitation treatment; 4, disinfection treatment, wherein the sedimentation pool discharge water to a disinfection pool for disinfection, and various indexes of sewage obtained after disinfection meet the standard. According to the domestic sewage treatment process, the arrangement of the adjustment pool can balance the water amount and the water quality, and continuous operation of follow-up treatment units is ensured. Through the combination of the characteristics of domestic sewage, anaerobic treatment and aerobic treatment arecombined for biochemical treatment, a large part of organic matter in sewage can be treated, and the purification effect is good.

A membrane separator with multiple membrane modules has at least two membrane modules. Each membrane module has the liquid inlet pipe connected to blowoff pipe and air supply pipe, the liquid outlet pipe connected with chemical cleaning reflux pipe, liquid supply pipe and back washing pipe, the circulating reflux pipe, and air releasing pipe. The connecting pipes are used for parallel connection between membrane modules. The working steps of said separator include working state, the first and the second washing state, blowoff state and final washing state of the first membrane module, continuous working state, and repeating said steps for other membrane modules sequentially.

The present invention relates to a release paper whose stripping strength can be controlled and its preparation method. Said release paper includes base paper and silica-gel layer on the base paper. The composition of said silica-gel layer includes (by wt%) 1-9% of organic silicon, 1-5% of stirring regulation agent, 0.03-0.6% of bridging agent, 0.01-0.4% of catalyst and 89-97.96% of toluene. Besides, said invention also provides the concrete steps of the preparation method for producing said release paper.

The invention relates to an identification method for peanut rod rot resistance of peanut germplasm resources, which belongs to the technical field of identification methods for disease resistance of peanut. According to the method, peanut rod rot pathogen Calonectria sp. is used as an inoculation bacterium and is inoculated in the seedling stage, the full flowering stage and the fruiting stage of peanut through burying and sprinkling irrigation. Homogenization of soil should be carried out before planting of peanut, and peanut is planted in a random planting mode. To guarantee inoculation of equivalent bacterial stain, rapid mass semi-quantitative culture of the pathogen is carried out at first, and the pathogen is inoculated in each inoculation stage according to an equivalent inoculation method. During harvesting, the rotten peanut rates of various varieties are recorded. The identification method provided by the invention can realize identification and comparison of peanut rod rot resistance of a plurality of peanut germplasm resources, has the advantages of accurate and reliable results and good repeatability, and is of great significance to cultivation of peanut rod rot peanut varieties and research on resistance mechanism.

The invention discloses a water distributor comprising a water distributor chamber. A plurality of drain holes are evenly formed in the bottom surface of the water distributor chamber, and a water inlet hole is formed in one side of the water distributor chamber. The water distributor is characterized in that water stop plates are arranged between the water inlet holes and the drain holes and separate the water inlet holes from the drain holes; a water stop encircling wall is arranged around the drain holes, and narrow water inlet gaps are evenly formed in the water stop encircling wall at intervals. The water distributor has the advantages that water flow can enter the water stop encircling wall synchronously and enter the drain holes uniformly, so that uniformity in water distribution of the water distributor is guaranteed; water is distributed uniformly by the water distributor, and water at each position of a water curtain at the bottom of the water distributor is uniform, so that the evaporation area of each part of the water curtain is fully utilized, and evaporation cooling effect of a main machine of an air-conditioning mattress is improved.

The invention relates to a water-channel water distribution-type water-distributing system for a hydrolysis-acidification pool in industrial waste water treatment, which comprises several water-distributing pipes, and is characterized in that one or more than one water-distributing channel with a movable cover plate is disposed at a top of a hydrolysis-acidification pool; the two ends of the water-distributing channel are fixedly connected to two facing pool walls and are perpendicular to the pool walls; a water-inlet opening is disposed on an end wall of the water-distributing channel; an escape pipe is disposed at the bottom; multiple vertical and horizontal rows of vertical water-distributing pipes are disposed along the channel at the channel bottom across the full length of the water-distributing channel; the upper end ports of the pipes are higher than the channel bottom of the water-distributing channel, and the lower end ports extend to the outside of the water-distributing channel; the upper end ports of the water-distributing pipes are higher than the upper edge of the water inlet opening, and is provided with a V-shaped weir port; the upper end ports of the water-distributing pipes are detachably connected to the lower end ports of the water-distributing pipes; the lower end parts of the water-distributing pipes are perpendicular to the bottom surface of the hydrolysis-acidification pool, and are fixedly and uniformly arranged with a distance maintained between the lower end ports and the pool bottom surface; a cone roof reflection bench is disposed between the lower end ports of the water-distributing pipes and the pool bottom surface. The advantages of the invention are that the invention realizes uniform water distribution, increases the biodegradability of industrial waste water, reduces equipment cost, and is convenient for installation and maintenance.

The invention relates to a sub spray nozzle for a variable spraying rotary spray head. The sub spray nozzle adopts the technical scheme that the spray pipe turning part of a main spray head is additionally provided with a sub spray nozzle, the degree of an included angle between the axial center line of the sub spray nozzle and the jet flow spraying direction of the main spray head is the degree of an included angle between the shortest spray range direction and the longest spray range direction of jet flows of the main spray head during edge-shaped spraying region spraying, a thin cover plate of the sub spray nozzle is arranged above an outlet of the sub spray nozzle, and the thin cover plate of the sub spray nozzle can be bent for an angle for regulating the included angle between the thin cover plate of the sub spray nozzle and the axial direction of the sub spray nozzle. A bottom outlet of the sub spray nozzle is provided with water distribution flow passages with different inclination angles, when the sub spray nozzle is adopted, the spraying water quantity of the main spray nozzle and the sub spray nozzle can be mutually supplemented when the spray head rotates to any position, and the uniform spraying of the spray head in the one-circle rotation range is realized. Therefore, the problem of phenomenon of nonuniform water quantity distribution in the one-circle rotation range because of the pressure change of the variable spraying spray head is solved.

The invention relates to the technical field of purifying, in particular to an inlet gas filter device and a boiler provided with same. The inlet gas filter device provided by the invention is arranged at an air inlet of a first object, and comprises a filter mechanism and a water curtain forming mechanism, wherein the filter mechanism is provided with a gas inlet, a gas outlet, and at least a primary filter screen arranged between the gas inlet and the gas outlet; the gas outlet communicates with the gas inlet; and the water curtain forming mechanism is used for forming a water curtain on each stage of the filter screen. According to the inlet gas filter device provided by the invention, the water curtain is formed on each stage of the filter screen through the water curtain forming mechanism, so that the water curtain on the filter screen is in sufficient contact with inlet air of a first object, adhesion and filtration on dust in inlet air is realized by utilizing the adhesion of water; circulating water continuously flushes the filter screen, so that the filter screen is kept transparent, and therefore, the filter screen is prevented from being blocked as a result of too much dust; and the device does not need to dismount for maintaining, and circulating water only needs to change, so that maintenance is relatively simple, and maintenance cost is relatively low.

The invention provides an energy-saving device capable of rotating by 360 degrees. The energy-saving device comprises a connecting body of a tubular structure, a connecting pipe and a driving shaft, wherein the lower end of the connecting pipe is arranged in a bearing groove in the upper end of the connecting body through a rotary bearing in a rotary matched mode; the driving shaft perpendicularly penetrates through the pipe wall of the connecting pipe in the radial direction in a rotary matched mode; at least three blades are evenly distributed on the outer circle of the shaft section, located in the connecting pipe, of the driving shaft; the end, located outside the connecting pipe, of the driving shaft is engaged with a peripheral tooth part arranged at the upper end of the connecting body through a planet gear. The energy-saving device can rotate by 360 degrees without external power, thereby driving a rain sprayer at the upper end to rotate by 360 degrees and spray water. Outlet water is uniform, rotation is stable and reliable, the phenomenon of damages to seedlings in the irrigation process of farmland is avoided, the water quantity is uniform in the irrigation area, and the water resources are saved.

The invention discloses a spraying device for an agricultural cultivating greenhouse. The spraying device comprises a spraying trolley, a spraying device body and a stirring device. A fixed box is arranged in the spraying trolley, and the middle of the bottom of the spraying device body is hinged to the upper end of a second rotary connecting rod, a spraying head is arranged at the left end of thespraying device body, and the right side of the inner surface of the bottom of the stirring device is fixedly connected with the bottom of a first motor. The upper end of an output shaft of the firstmotor is fixedly connected with a second gear, an engaged first gear is arranged on the left side of the second gear, and the first gear sleeves a first connecting rod. The lower end of the first connecting rod is fixedly connected with a fixed plate, the left end of the bottom of the fixed plate is fixedly connected with a first isolating box, and the inner surface of the left side of the firstisolating box is fixedly connected with the left end of a first telescopic rod. The spraying device can achieve omnibearing spraying, pesticide and water are mixed to be more uniform, the spayed wateramount can be adjusted, and resources are saved.

The invention relates to the technical field of sewage treatment, and discloses a membrane biological reaction MBR integrated sewage treatment system which comprises a tank body, a treatment tank is arranged in the tank body, and an adjusting tank, a facultative tank, a membrane biological reaction tank and a sludge tank are sequentially and adjacently arranged in the treatment tank. Circular access holes are formed in the top ends of the adjusting tank, the facultative tank and the membrane biological reaction tank, cover plates are arranged on the upper end surfaces of the circular access holes, a grating well is arranged on one side, close to the adjusting tank, outside the tank body, a fence is fixedly mounted in the grating well, and an equipment water inlet pipe and a first connecting pipe are fixedly connected to two sides of the grating well respectively. According to the membrane biological reaction MBR integrated sewage treatment system, sludge intercepted in the membrane biological reaction tank is discharged into the sludge filter basket through the sludge pump, water is filtered out and flows back into the adjusting tank, sludge remains in the sludge filter basket andis convenient to clean, and by arranging the multiple aeration pipes, the heights of every two adjacent aeration pipes are different, so that the sewage treatment efficiency is improved. The aerationrange of the water flow is enlarged, and the aeration effect is enhanced.

The invention discloses a physicochemical sewage processing system and method for simultaneously removing COD and total phosphorus. The sewage processing system comprises an improved reaction tank, animproved horizontal flow sedimentation tank, a magnetic powder recovering system, and a sludge discharge system. The improved reaction tank is divided into a coagulation reaction region, a magnetic powder loading region, and a flocculation reaction region. Between the improved reaction tank and the improved horizontal flow sedimentation tank, a water distribution adjusting region is arranged. A flow adjusting device and a triangular guide plate are arranged in the water distribution adjusting region. A horizontal pipe is arranged in the upper layer of the improved horizontal flow sedimentation tank, and a mud scraper is arranged on the bottom of the improved horizontal flow sedimentation tank. The magnetic powder recovering system comprises a separation groove, a cutting machine, and a magnetic separator, which are arranged in sequence. The sludge discharged from the bottom of the improved horizontal flow sedimentation tank is introduced into the separation groove through a pipeline;the separation groove is provided with two sludge discharge pipelines; one of the sludge discharge pipelines is connected to the magnetic powder loading region of the improved reaction tank, the otherone is connected to the cutting machine; and the magnetic powder separated by the magnetic separator is added into the magnetic powder loading region again. The provided system and method can efficiently remove COD, TP, and SS.

An unobstructed full-circle sprinkling and stabilized pressure drip-proof micro atomizer comprises a cap, a body fitly mounted to the cap, and a reflector connected with the body. The unobstructed full-circle sprinkling and stabilized pressure drip-proof micro atomizer is characterized in that the body is connected with the reflector through a fixing rod with T-shaped section, the body is hollow and is internally provided with a cavity having T-shaped section and fitting mounting of the fixing rod, the reflector is provided with a fixing rod mounting hole, the fixing rod is mounted in the cavity of the body, the tail end, extending out, of the fixing rod is inserted to the reflector and in tight fit with the fixing rod mounting hole. A mounting and application method of the atomizer includes: the atomizer is mounted; the cap is connected to an inflow pipe of a spray irrigating unit in a threaded manner or through a bevel connector; an opening pressure value of the atomizer is determined according to magnitude of elasticity of a pressure-stabilizing drip-proof membrane; when interior water pressure of the inflow pipe is higher than the opening pressure value of the atomizer, spray irrigation water flows through the pressure-stabilizing drip-proof membrane and is atomized by the reflector, and full-circle sprinkling starts.

The invention discloses a green belt unit for biological filtration and collection of rainwater on both sides of a road, comprising a rainwater collection well, a left biological filtration system, a right biological filtration system and a drainage pipeline. The biological filtration system on the left and the biological filtration system on the right are symmetrically arranged and have the same configuration characteristics; the overflow pipe outlet is set at the lower part of the rainwater collection well. It is connected with the rainwater collection well. The neck of the rainwater collection well is equipped with a pump. The outer edges of the water distribution channels on the front and rear sides of the water distribution channel are provided with water distribution channel water inlets. The distance between the adjacent water distribution channel water inlets is 5m. The length is 1m, and a wire mesh is installed in the water inlet of the water distribution channel; multiple groups of irrigation perforated pipes are connected between the front and rear water distribution channels, and the spacing between the left and right adjacent irrigation perforated pipes is 1m. The present invention collects and stores urban rainwater, realizes biological filtration of urban rainwater, and meets the requirements of receiving water bodies for rainwater.

The invention discloses a water distribution device and an integral air conditioner applying the water distribution device. The water distribution device comprises a middle baffle plate, a chassis andat least two water pumping assemblies; the middle baffle plate is arranged above a condenser of the integral air conditioner, and is provided with a water leakage tank, the water leakage tank is provided with a water leakage hole, the water leakage hole is used for guiding condensate water to the condenser, the chassis is arranged under the condenser, and is provided with a water collecting tank,the water pumping assemblies are connected to the chassis, and a cooling assembly is used for guiding water in the water collecting tank to the condenser. The condensate water collected on the middlebaffle plate is guided to the condenser for a first step of cooling; and in addition, the condensate water running down from the condenser is collected by the water collecting tank, and the water inthe water collecting tank is guided to the condenser by using at least two water pumping assemblies for a second step of cooling. The volume of water delivered by using at least two water pumping assemblies is large, the condenser can be fully and rapidly cooled, the cooling effect is good, and energy consumption of the integral air conditioner is conducive to be reduced.

The invention belongs to the technical field of hip cleaning equipment, and discloses a hip cleaning device which comprises a device body, the device body is provided with a cleaning tank for cleaninghips, and an erasing unit, a flushing unit and a drying unit are sequentially arranged in the cleaning tank from the center of the tank wall to the outer side of the cleaning tank. The wiping unit comprises at least two sets of wiping assemblies distributed in an annular array mode, each wiping assembly comprises a driving motor, a transmission mechanism and a cleaning head, the driving motors are arranged in the device body, and output shafts of the driving motors penetrate into the cleaning groove and are connected with the cleaning heads through the transmission mechanisms. The device canbe used for wiping, washing and drying the surface of the hips, cleaning is more effective and thorough, multiple functions are achieved, children or old people can sit on the device conveniently through the elastic pedal, children such as babies can be bound through the buckle binding belt, and meanwhile the music playing function is achieved.

The invention relates to a cooling device of hydraulic red punching equipment. The cooling device comprises a spray liquid storage barrel, a first nozzle and a second nozzle, wherein the first nozzleis connected with the spray liquid storage barrel, the second nozzle is connected with the spray liquid storage barrel, and the first nozzle and the second nozzle are sequentially arranged on the leftside and the right side of a fixed long shaft; the first nozzle is corresponding to a punching head of the hydraulic red punching equipment, and is used for cooling the punching head through spray; and the second nozzle is corresponding to a die cylinder, and is used for cooling a workpiece formed by punching through the spray. According to the cooling device, a control device is arranged to reasonably adjust the compressed air pressure and the cooling water flow of each of the atomizing nozzles, and therefore the optimal atomization effect can be achieved, and the workpiece can be uniformlycooled; and the relative position of the first nozzle and the second nozzle are adjusted, the distance between the atomizing nozzles is reasonably selected, and therefore the water amount of a coolingsurface of the workpiece can be uniform, and the water is atomized and sprayed under the action of the compressed air jet flow so as to cool the workpiece.

The invention provides an energy-saving device capable of rotating by 360 degrees. The energy-saving device comprises a connecting body of a tubular structure, a connecting pipe and a driving shaft, wherein the lower end of the connecting pipe is arranged in a bearing groove in the upper end of the connecting body through a rotary bearing in a rotary matched mode; the driving shaft perpendicularly penetrates through the pipe wall of the connecting pipe in the radial direction in a rotary matched mode; at least three blades are evenly distributed on the outer circle of the shaft section, located in the connecting pipe, of the driving shaft; the end, located outside the connecting pipe, of the driving shaft is engaged with a peripheral tooth part arranged at the upper end of the connecting body through a planet gear. The energy-saving device can rotate by 360 degrees without external power, thereby driving a rain sprayer at the upper end to rotate by 360 degrees and spray water. Outlet water is uniform, rotation is stable and reliable, the phenomenon of damages to seedlings in the irrigation process of farmland is avoided, the water quantity is uniform in the irrigation area, and the water resources are saved.

The invention discloses an ultrafiltration device for improving the uniformity of water distribution at the large flow rate, and relates to the ultrafiltration device. The ultrafiltration device is aimed to solved the problems that the arrangement scheme of an existing ultrafiltration membrane element is not reasonable, and consequently the flow deviation of the membrane element is large, water distribution is not uniform, and the service life of the membrane element is influenced. The invention includes the ultrafiltration device for improving the uniformity of water distribution at the largeflow rate. The ultrafiltration device comprises connecting pipelines, a plurality of support frames and a plurality of ultrafiltration water inlet-outlet pipelines, the ultrafiltration device for improving the uniformity of water distribution at the large flow rate further comprises a plurality of ultrafiltration membrane assemblies, the multiple ultrafiltration membrane assemblies are arranged side by side, the multiple ultrafiltration water inlet-outlet pipelines are arranged vertically side by side, the lower ends of the ultrafiltration water inlet-outlet pipelines are mounted on the support frames correspondingly, and the upper ends of the ultrafiltration water inlet-outlet pipelines are connected with the corresponding ultrafiltration membrane elements through the connecting pipelines correspondingly. The ultrafiltration device is used for a membrane method sea water desalination system.

The invention relates to a double-rotational-flow water distributor and an anaerobic reactor, the double-rotational-flow water distributor comprises an inner rotational-flow water distribution structure and an outer rotational-flow water distribution structure which are fixed at the bottom of an inner cavity of the anaerobic reactor, and the inner rotational-flow water distribution structure and the outer rotational-flow water distribution structure are not connected; and the inner rotational flow water distribution structure, the outer rotational flow water distribution structure and the bottom surface of the anaerobic reactor between the inner rotational flow water distribution structure and the outer rotational flow water distribution structure jointly form a sludge collecting ring conefor collecting anaerobic sludge. Two-way rotational flow formed by the double-rotational-flow water distribution structure is matched with scattered water flow formed by the downcomer water distribution structure, the three directions are strongly staggered, the mixing efficiency of sewage and anaerobic sludge is improved, the mass transfer efficiency is improved, and the reaction efficiency of the reactor is improved.

The invention discloses a water chilling unit, a water inlet pressure and water outlet pressure adjusting method thereof and an air conditioning system. The water inlet pressure and water outlet pressure adjusting method of the water chilling unit comprises the following steps of S1, detecting the water outlet amount of each cooling tower water pump in real time, comparing the water outlet amountwith the water outlet amount output by a main control board, and adjusting the water outlet amount of each cooling tower water pump according to the comparison result; and S2, comparing output signalssent by all cooling tower balancing modules, feeding back the comparison results to the main control board, enabling the main control board to adjust the water outlet amount of each cooling tower soas to realize the balance between the cooling towers. According to the method, the water inlet pressure and water outlet pressure balance adjustment of a plurality of cooling towers can be realized, and the potential safety hazard caused by abnormal water pressure during working of the unit is avoided.

The invention discloses a water spray mop which comprises a mop rod and a water spray device. The mop rod is vertically arranged, a mop brush head is arranged on the lower side of the mop rod, the water spray device comprises an air barrel and a water storage box, the air barrel is a cylindrical barrel which is vertically arranged, the water storage box is arranged on the lower side of the air barrel, a plurality of water outlet holes are formed in the lower side of the water storage box, an inner cavity of the water storage box is communicated with an inner cavity of the air barrel, the volume of the air barrel is equal to the volume of the water storage box, an upper cover is arranged on the upper side of the air barrel, a through hole which is perforated through the upper cover is formed in the upper cover, a piston which is matched with the air barrel is arranged in the air barrel, a piston rod is vertically arranged on the upper side of the piston, the upper side of the piston rodupwardly extends and penetrates the upper cover through the through hole, the piston rod and the through hole are in clearance fit with each other, a handle is arranged on the upper side of the piston rod, the air barrel is mounted on the mop rod, and the distance from the lower side of the water storage box to the upper side of the mop brush head along the vertical direction is 2-3 cm. The waterspray mop has the advantages that the water spray mop has water storage and water spray functions, accordingly, the problem that mops need to be repeatedly dipped in water can be solved by the aid ofthe water spray mop, and the work efficiency can be improved.

The invention relates to the field of waste liquid treatment, and particularly discloses a method for recovering copper sulfate in acidic copper sulfate waste liquid. The method comprises the following steps: S1, collecting the acidic copper sulfate waste liquid; S2, adding Cu(OH)2 into the acidic copper sulfate waste liquid for neutralization treatment; S3, pumping the acidic copper sulfate waste liquid in the step S2 into a first evaporative crystallization device for crystallization and evaporation; S4, enabling the material in the step S3 to pass through a solid-liquid separation system to obtain a copper sulfate product, and discharging separated and evaporated mother liquor into an impurity removal reactor; S5, solid NaOH is added into the impurity removal reactor to generate Cu(OH)2 precipitate, the Cu(OH)2 precipitate is dehydrated and washed and then returns to the step S2, and supernate enters a second evaporative crystallization device or enters a factory sewage treatment station for further treatment; S6, crystallizing and evaporating the supernate by using a second evaporating crystallizer. The method has the advantages that the purity of the recovered product is high, new impurity ions are not introduced in the medicament adding process, the treatment process is stable in operation, and secondary pollutants are avoided.

The invention discloses a water mist cooling method for normalizing treatment of large-scale casting and forging, comprising the following steps of: determining a vertical and horizontal distance L of each atomization nozzle to be an injection distance from the atomization nozzle to a workpiece; determining an atomization area based on the size of the workpiece, and determining quantity of rows and lines of the atomization nozzle; determining the size and the structure of a steel framework, installing the required atomization nozzle on the steel framework, connecting each water amount regulating valve with a cooling water pipe, and communicating a main valve of the water pipe with a cooling water source; simultaneously connecting each air pressure regulating valve with a compressed air pipe, and communicating the compressed air main valve with a high pressure air source, to finish. The method can reach a purpose for cooling the workpiece by atomizing and spraying water under action of the compressed air jet; and has advantages of simple structure, reliable operation and low cost maintenance.

The invention discloses a new type of shower head, which relates to the field of furniture and includes a spray head. A hand-held part is fixedly connected to the lower part of the spray head. An adapter is fixedly connected to the lower end of the hand-held part. The hand-held part communicates with the spray head and the adapter. There is a small hole on the top of the spray head, a suction cup seat is provided on the back of the spray head and the handle, and a suction cup is provided on the suction cup seat. The internal water channel structure of the spray head is a Y-shaped water channel with a bypass. This design, structure Compact, functional, convenient and quick to use, effectively avoiding scalding and wasting water resources, with a wide range of applications.

The invention relates to an automatic dehydration and sub-packaging system of monocrystal rock sugar, and the system provided by the invention comprises a loading device, a loading hopper, a dehydrator, a feeding device and a quantitative packaging machine, wherein the loading hopper is fixedly arranged at the upper part of a three-dimensional framework, the dehydrator is fixedly arranged below a discharge port corresponding to the loading hopper, the dehydrator is hinged on the three-dimensional framework through turnover arms arranged on the two sides of the dehydrator, the loading device and the feeding device are respectively mounted at the front end and back end of the three-dimensional framework, the quantitative packaging machine is arranged at the back end of the feeding device, a loading overturning skip of the loading device is used for upwards supplying materials to the loading hopper, a feeding overturning skip of the feeding device is used for supplying the materials to the quantitative packaging machine, a spraying device is fixedly arranged on the three-dimensional framework in the vicinity of the dehydrator, and a water pipe of the spraying device is communicated with the dehydrator. The automatic dehydration and sub-packaging system is scientific and reasonable in design, simple in structure, easy to operate, clean, sanitary, energy-efficient and environmentally-friendly and can be used for effectively saving manpower, reducing the labor intensity of operation staff, further saving water, significantly improving the production efficiency and ensuring the product quality.

The invention provides a fertilizing device for cultivating greenhouse vegetables. The fertilizing device comprises a trolley, wherein a water tank is arranged on the left side of the top of the trolley, a water pump is arranged in the water tank, a hard water pipe is connected to the water pump, and a spray head is connected to the hard water pipe. The fertilizing device is characterized in thatthe spray head comprises a seat body, an end cover and a core plate, wherein a connecting tail pipe of the seat body is connected to the hard water pipe, the end cover is fixed at the front end of anexternal expansion shell of the seat body, the core plate is located at the front opening of the external expansion shell and is fixed at the rear end of the end cover; and a plurality of outer sprayholes are formed in the end cover, a plurality of inner spray holes are formed in the core plate, and the outer spray holes are communicated with the inner spray holes in a one-to-one correspondence manner. The fertilizing device has the beneficial effects that the spraying area of the spray head is large, and the spraying uniformity is relatively high.