208results about How to "Serve evenly" patented technology

The invention relates to an electric surfactant combined repair contaminated soil experimental device, belonging to the technical field of disposal of pollutants in soil. Contaminated soil (8) and uncontaminated soil (7) are arranged into a main body, and an eluate outlet (11) is formed in the side surface of the main body; two electrode chambers (2) are formed between a porous baffle plate (12) of the electrode chambers and the inner side surfaces of the main body; two electrodes (1) are respectively electrically connected with a direct current power supply (4); eluate in a regulating tank (5) is injected into the electrode chambers (2) via valves; and the porous baffle plate (13) at the bottom of a reactor is arranged above a water inlet and outlet (6). The electric surfactant combined repair contaminated soil experimental device which is provided by the invention can improve the application uniformity of a surfactant in soil, solve the problem of infiltration and pollution of the eluate and improve the disposal efficiency of the contaminated soil. The invention also provides a device for researching test conditions for removing polychlorobiphenyl in the contaminated soil and measuring the removal rate of the pollutants.

The invention discloses a shellfish discharge device for artificial breeding. The shellfish discharge device is low in labor intensity, suitable for large-batch discharge, good in discharge effect and capable of improving the shellfish fry survival rate. The shellfish discharge device comprises a vertical guide rod, a guide sleeve, a vertical sleeve body, a placement barrel, a piston body, a connecting shaft rod, a connecting shaft sleeve and a lifting air cylinder, wherein the vertical guide rod is arranged on a boat body, the guide sleeve is arranged on the vertical guide rod in a slidable mode, the vertical sleeve body is arranged on the boat body, the placement barrel is arranged in the vertical sleeve body in a slidable mode, the piston body is arranged in the placement barrel in a slidable mode, the connecting shaft rod is coaxially arranged on the piston body, the upper portion of the connecting shaft rod is sleeved with the connecting shaft sleeve, and the lifting air cylinder is arranged on the boat body and used for lifting the connecting shaft sleeve.

The invention relates to a double-barrelled automatic slag adding machine. The technical scheme comprises that the slag adding machine comprises a frame, a slag adding system and an electric control system. The slag adding system is in the structure that: a vibrating motor (4) respectively drives two feed delivery pipe supporting discs (7 and 38) to rotate by virtue of two vibrating output shaftsof a third reduction box (6), namely a first feed delivery pipe (12) and a second feed delivery pipe (35) are driven to vibrate in the horizontal plane; and a translation compensation output shaft (17) of the third reduction box (6) drives a translation compensation cam (18) to rotate, thus the reciprocating linear motion of the slag adding system is realized. Two feed delivery motors (9 and 36) respectively drive a first feed delivery screw rod (49) and a second feed delivery screw rod (43) to rotate, thus a granular material is pushed towards the exit direction. The slag adding machine provided by the invention has the characteristics of compact structure, uniform slag addition, high degree of automation and wide application range and is simple in operation and applicable to automatic, continuous and uniform casting powder addition of a large-section crystallizer of which all the material spreading regions have the lengths in the range of 300-2500mm and the widths in the range of 0-300mm.

The present invention relates to an automatic mixing, adjusting and feeding system for an aquaculture feed, wherein a feed bin weighing module which is used for automatically feeding back and controlling loading weight and unloading weight is arranged on a combined feed bin; a pneumatic valve on the bottom of the combined feed bin is aligned to a proportioning bin below; an air brake on the bottom of the proportioning bin is aligned to a feed mixing bin below; a vibrating conveyer is arranged in a mixing bin; and the vibrating conveyer is used for filtering a powdery feed to a powdery material collecting barrel; a bacterial (liquid) barrel is communicated with the mixing bin through a liquid conveying pipeline to add a bacterial liquid or a medicinal liquid into the feed, and to uniformly mix by virtue of the vibrating conveyer; the bottom of the vibrating conveyer is communicated with an air pump conveying pipeline through a pipeline; a fan is divided into two air paths through a pneumatic three-way joint, one path is used for blowing the feed and annularly scattering the feed through a rotary material scattering machine floating on the water surface while the other path is used for aerating and oxygenating a water body in a feed feeding region through an underwater aeration pipe in a material scattering region of the material scattering machine so as to improve dissolved oxygen demand of a high-density feeding fish school in the feed feeding region.

The invention relates to a feeding device, in particular to a quantitative feeding device for livestock breeding. According to the technical aims, the quantitative feeding device for livestock breeding is high in putting efficiency and even in putting. In order to achieve the technical aims, the quantitative feeding device for livestock breeding comprises a baseplate, universal wheels, a horizontal rod, a feeding hopper, an L-shaped rod, a first supporting rod, a hollow cylinder and the like; the universal wheels are arranged at the four corners of the bottom of the baseplate, a supporting plate is arranged on the right portion of the top of the baseplate, and a push handle is arranged on the right portion of the top of the baseplate and located on the right portion of the supporting plate; the horizontal rod is arranged on the upper portion of the left side of the supporting plate, the feeding hopper is arranged at the left end of the horizontal rod, and the L-shaped rod is arranged on the upper portion of the left side of the feeding hopper. Feeding is conducted through the feeding device, feed blocking is conducted through a feed blocking device, and the effects of high puttingefficiency and even putting are achieved.

The invention relates to the field of soil remediation. The invention particularly discloses a soil remediation device. The soil remediation device comprises a crushing device, a centrifugal device and a stirring device, the crushing device comprises a crushing box, a second crushing roller and a first crushing roller; a feeding hole is formed in the top end of the crushing box; an electromagneticvalve is arranged in the center of the bottom surface of the crushing box; the centrifugal device comprises a barrel body and a screen drum; screen holes are formed in the screen drum; the stirring device comprises a threaded rod, a sliding block and blades; a connecting pipe is communicated with the bottom of the barrel body, a fan is arranged in the connecting pipe, a spray head is arranged atthe bottom end of the sliding block and communicated with a rubber hose, the other end of the rubber hose is communicated with a bacterium storage box, a stirring shaft is arranged at the bottom end of the stirring box, and the blades are fixedly connected to the side wall of the stirring shaft. Soil is crushed by using the crushing device, impurities are screened out by using the centrifugal device, soil is remediated with a biological agent, the agent distribution is uniform, and the remediation efficiency is high.

The invention relates to a making process of quick-frozen flavored fish balls and solves the problem when minced fillet is flavored to make flavored fish balls. The making process includes following steps: a, cleaning raw materials; b, dewatering and pre-freezing: dewatering, and then freezing to minus 8-minus 12 DEG C; c, mincing; d, mixing and kneading: placing minced raw materials in a mixing and kneading machine for mixing and kneading, and adding a seasoner; e, forming: mechanically or manually making minced fillet obtained after mixing and kneading into fish balls, and placing the fish balls in warm water for shaping; f, thermally shaping: placing shaped fish balls in hot water for boiling, and fishing out; g, cooling: fishing out the fish balls, and placing the fish balls in ice water for cooling; h, draining: after sufficient cooling, draining water on the surfaces of the fish balls; i, quickly freezing: quickly freezing the fish balls in a liquid nitrogen tunnel machine at mines 50-minus 60 DEG C until central temperature reaches minus 18 DEG C. By the making process, making of the quick-frozen flavored fish balls is realized, uniform feeding of the seasoner is realized in the process of mixing and kneading, and quality of the quick-frozen flavored fish balls is improved.

The invention relates to an automatic slag feeding machine for a continuous casting crystallizer. In the technical scheme, the automatic slag feeding machine comprises a lifting frame, a slag feeding system and a control system, wherein in the slag feeding system, a third motor (4) drives corresponding first and second material delivery pipes (13 and 36) to swing in a horizontal plane by two output shafts of a third speed reducer (6); a first motor and a second motor (11 and 29) drive corresponding first and second material delivery spiral rods (42 and 31) to rotate, so that granular materials are outputted by first and second adjustable discharging devices (14 and 38); the first and second adjustable discharging devices (14 and 38) have the same structure; an integral ring (54), a notch ring (52), an integral ring (52) and a right flange (51) are tightly close to a left flange sequentially from left to right; a fifth motor (23) drives a gear (21) to rotate by a fifth speed reducer (22); and the gear (21) is in meshed transmission with a rack (20), so that a slag feeding system makes reciprocating linear motion. The automatic slag feeding machine has the characteristics of compactstructure, high automaticity and wide application range, and can feed slag uniformly and is easy to operate.

The invention discloses an energy-saving type automatic feeding fish aquaculture pond. The energy-saving type automatic feeding fish aquaculture pond comprises a pond body, wherein a fish aquaculturecavity is formed in the end surface of the top of the pond body; a rack is fixedly arranged between the left end wall and the right end wall of the top of the fish aquaculture cavity; and a feeding device which can move in the left-right direction of the top of the fish aquaculture cavity and quantitatively feed fish in a moving process is arranged on the rack. The energy-saving type automatic feeding fish aquaculture pond is simple in structure and convenient to use; the fish can be quantitatively and uniformly fed; the feeding device can be automatically filled with feed, so that the labor cost is reduced; in a feed filling process, the bottom of the fish pond can be dredged, and cleaning is facilitated; by increasing the water changing frequency of the aquaculture pond, water updating is accelerated, water required for keeping water quality stable is reduced, and water resources are saved; and residual feed accumulated at the bottom of the pond is used for breeding shrimps, the feedutilization rate is increased, and economic benefits are increased while diseases and insect pests are avoided.

The present invention provides a box-type deepwater positioning throwing boat and a usage method thereof which relate to the throwing boat technology field. The box-type deepwater positioning throwing boat comprises a boat body, wherein the boat body is equipped with a cabin port penetrating to the bottom surface of the boat body; a caisson arranged in the cabin port and comprising a box body side plate and a box body bottom door in movable connection with the box body side plate; an elevating system arranged on the boat body and connected with the box body side plate of the caisson; a positioning system arranged on the boat body and used for detecting the underwater landform and the sinking depth of the caisson; a central controller arranged on the boat body, connected with the elevating system and the positioning system and controlling the box body bottom door to open and close. The throwing boat of the present invention integrates the positioning, packing, metering and throwing as one, can work circularly, is in automatic joint control and visual operation, and is high in work efficiency guarantee rate.

The invention discloses an aquaculture device. The aquaculture device comprises a culture pond and a clear water pond, wherein the culture pond and the clear water pond are communicated through a water outlet pipeline and a water inlet pipeline; a longitudinal span beam is arranged at the middle part of the upper part of the front end and the rear end of the culture pond; a transverse span beam isarranged at the middle part of the upper part of the left side and the right side; a feeding and air changing device is arranged on the lower end surface of the transverse span beam and is formed bya vertical round through groove, a driving motor I, a fixed bearing I, a transmission shaft, an annular material storage cabin, feeding pipes, control switch valves, feeding cylinders, air inlet cylinders, air supply pumps and air inlet holes; an auxiliary garbage cleaning device is arranged at two ends of the longitudinal span beam and is formed by a rectangular groove, a fixed bearing II, a screw rod, a driving motor II, a movable nut, a sliding seat, a fishing rod, a fishing net, a rope rack and a rope; the culture pond is internally and additionally provided with a remote monitoring system. The aquaculture device disclosed by the invention has the beneficial effects that the structure is simple, and the practicability is strong.

The invention discloses an uniform-feeding aquaculture feed dropping device which comprises a culture pond, a feed box, a swinging pipeline, a clean water pond, a toothed plate, a rotating rod and rotating wheel disk. A supporting upright is fixedly erected on the ground of the left side of the culture pond, a support roof, an upper support transverse plate and a lower support transverse plate arerespectively fixedly erected on the right wall of the support upright from top to bottom, a support plate is fixedly erected between the upper support transverse plate and the lower support transverse plate, an annular gear is fixedly mounted on the surface of the central outer ring of the rotating rod, a rotating shaft is rotatably erected on the front wall of the support plate, a guide pillar is fixedly mounted on the surface of the outer ring of the rotating wheel disk and is slidably sleeved with a swinging sleeve plate, a push-pull rod is further fixedly mounted on the right wall of theswinging sleeve plate, and the toothed plate is mounted at the other end of the push-pull rod. The uniform-feeding aquaculture feed dropping device is simple in structure, convenient in use and timesaving and laborsaving, more uniform feed dropping is achieved, feeding grabbing of fish is prevented, and quality of aquaculture is improved.

The invention relates to the technical field of catering equipment, in particular to a jianbing making machine. The jianbing making machine comprises a 3D printing feed device, batter can be fed uniformly by the 3D printing feed device, and even a scraper part can be omitted. The 3D printing feed device can move in any position of a flat iron plate, the part lack of the batter can be supplementedas required, jianbing in various shapes can be formed as required, and diet fun is increased.

The invention relates to a feed dispersing and putting device, in particular to a feed dispersing and putting device for aquaculture and aims at providing a feed dispersing and putting device used foraquaculture, capable of saving time and labor, uniformly scattering feed and putting fish feed after stirring so as to make fish eat the feed conveniently. For solving the above technical problem, the feed dispersing and putting device for aquaculture comprises a boat, a hanging rope, a hanging ring, a hook, a discharging pipe and the like. A cross rod is installed on the right side of the frontside face of the board, plate springs are symmetrically installed on the left side and the right side of the top of the cross rod, and a filtering frame is installed between the top ends of the platesprings on the left side and the right side. Caked fish feed can be stirred and then put through a stirring device, fish can conveniently eat the feed, the fish feed can be more uniformly put througha swinging device, and the advantages of saving time and labor, scattering feed uniformly, stirring and putting fish feed so as to make fish conveniently eat the feed are achieved.

The invention relates to the field of environment protection and in particular relates to water pollution treatment equipment for a river channel. The water pollution treatment equipment comprises a collection mechanism, a lifting mechanism, a waste material collection mechanism, a purification mechanism, a medicine feeding mechanism, a floating ring, a driving mechanism, a movement mechanism anda remote controller; the collection mechanism for collecting solid wastes is communicated with the lifting mechanism for lifting the solid wastes and the waste material collection mechanism is used for conveniently collecting the solid wastes; the purification mechanism is used for purifying a water body; the medicine feeding mechanism is for feeding a purification medicament and the driving mechanism is used for driving the floating ring to move; the movement mechanism is convenient for a whole body to move; the remote controller is used for controlling the whole body to be propelled in the water. According to the water pollution treatment equipment provided by the invention, manpower is saved and the utilization is convenient; meanwhile, an operator does not need to enter the water and the safety performance is high; the collection of the solid wastes on the surface of the water body is effectively finished and filtering and purification of the water body are finished; when a purification device moves, a medicament outlet is exposed in a blade rotating manner, so that a medicament flows out to realize the feeding of the medicament and the feeding is uniform and comprehensive.

The invention provides a seafood and vegetable dumpling and belongs to the technical field of food processing in food and beverage industry. The seafood and vegetable dumpling is characterized in that dry seafood products of squid, squid tentacles, octopus, dried peeled shrimps, river dried scallop, dried oyster and mackerel, various fresh vegetables, pork and seasonings are used as dumpling stuffing, and a universal meat and vegetable cutting machine is used for electric dumpling making and processing. The complicated operation of the traditional dumpling making method is not needed, people can eat rich-nutrition high-grade and delicious seafood and vegetable dumpling, the seafood and vegetable dumpling can be used as leisure snacks and meals for people to eat heartily, and the appetite of people is met. The food provided by the invention has the advantages that the delicious taste and the nutrition are properly matched, the fragrance of the seafood and vegetable dumpling is intense, the taste is delicious, and the enjoyment and the requirement of people to pursue high-grade delicious food are met.

The invention discloses a multifunctional microbial agent delivery device for in-situ remediation of organically polluted soil. The device comprises a plowing system, a microbial agent supply system and a spraying system, wherein the plowing system comprises a first mounting seat, a spiral plowing structure and a driving structure, the spiral soil turning structure is rotationally connected with the first mounting seat, the driving structure is used for driving the spiral soil turning structure to rotate, the spraying system comprises a spray head and a pressure pump, and the pressure pump isconnected between the microbial agent supply system and the spray head through pipelines. The device improves the contact efficiency of soil pollution sources and degrading bacteria by adopting a modeof simultaneous soil turning and bacteria addition, creates a good ventilation environment so as to be suitable for the growth of degrading bacteria, achieves the double effects of soil loosening anddegradation, and solves the problems of low degrading bacteria throwing efficiency, uneven bacteria throwing and low degrading efficiency.

The invention discloses an aquaculture feeding device. The device comprises a base, a rotating table, a bracket, a storage tank, a rotating motor, a blower, a feeding tube, a venturi tube, a solenoidvalve, a nozzle, a humidity sensor, a dryer and a controller. A using method of the aquaculture feeding device is further disclosed. The aquaculture feeding device and the using method have the advantage that a feed can be thrown to a long distance by means of the venturi tube under the small pressure according to the Bernoulli principle. The rotating feeding device ensures that the feed can be evenly distributed into a pond. At the same time, the humidity sensor and the dryer are arranged to dry and break up the agglomerated feed affected with damp and ensure that a fish school can eat the fine feed. The feed is saved, and healthy growth of the fish school can be ensured.

The invention discloses an aquaculture box capable of automatically throwing food. The box comprises a box body, the upper ends of the side surfaces of the box body are provided with a moving device,the upper surface of a mounting plate of the moving device is provided with a feeding device, a fixing frame of the feeding device is fixedly connected with the mounting plate, the left ends of the side surfaces of the box body are provided with two symmetrically-arranged adjusting frames, the upper ends of the adjusting frames are provided with a storage device, the middle part of the upper surface of a storage box of the storage device is provided with a feed inlet pipe, a feed inlet of the feed inlet pipe is provided with a feed inlet funnel, one side surface of the box body is provided with a switch group, and the input end of the switch group is electrically connected with the output end of an external power source. The aquaculture box capable of the automatically throwing food disclosed by the invention has a simple structure, can store and automatically throw the food, and can move a position of the feeding device, thereby being convenient for uniform throwing of the food, saving manpower and being convenient for use.

The invention discloses a feeding box for silkworms, a feeding apparatus for silkworms, and an automatic feeding machine for small silkworms, and belongs to the technical field of sericulture mechanical appliances. The feeding box for silkworms comprises a main box and an auxiliary box, wherein up and down rotating shafts are arranged in the main box, and the bottom of the auxiliary box is provided with a mesh screen and vibration motors. The rearing apparatus for silkworms comprises a machine frame, and chutes and a sliding frame which are arranged on the machine frame, and comprises a firstmotor, travel position-limiting switches, and a light control switch. The automatic rearing machine for small silkworms comprises a clamping assembly, the clamping assembly comprises grippers, a clamping band, clamping arms, a combined motor, and push-pull electromagnets, the automatic rearing machine also comprises the aforementioned feeding box and rearing apparatus for silkworms, and the combined motor not only controls lifting of the clamping assembly, but also drives the clamping assembly to move back and forth along a vertical rod. The beneficial effect of the automatic rearing machine is that the automatic rearing machine can quickly and evenly drop mulberry leaves, sprinkles lime for disinfection, and stacks or removes silkworm dustpans, the labor intensity is reduced, the time andlabor cost is saved, and the automatic rearing machine has the advantages of simple structure, low cost and convenient use.

The invention discloses a fish food stirring machine capable of uniformly scattering food. The stirring machine comprises a stirrer body, wherein a filtering cavity which is through up and down is formed in the stirrer body and a filtering mechanism is arranged in the filtering cavity. The stirring machine is applied to uniform feeding of fish food in fishpond feeding, the fish food can be fully mixed through stirring blades, the fish food can intensively reach a food scattering box through the filtering mechanism, under the action of a filter plate, the fish food can be fully used, meanwhile,food can be uniformly scattered through the food scattering mechanism, so that the fish schools can eat the food more quickly, under the action of the water wheel rotating blades, upper-layer water and lower-layer water in the fishpond can be mixed, the upper-layer water with high oxygen content flows into the lower layer for fish fries to breathe, residues in the fishpond can be cleaned under the action of the large-particle filter plate, and harmful substances are prevented from being generated.

The invention discloses an omnidirectional feeding machine for aquaculture. The omnidirectional feeding machine for aquaculture comprises a housing, a mixing cavity, a transferring cavity, a scattering cavity and a sealing cavity are sequentially formed in the housing from top to bottom, and a first sealing plate and a second sealing plate are arranged on the upper and lower sides of the transferring cavity respectively for partition; a feeding port through which bait is put in is formed in the top of the housing; a disc-shaped scattering tray is arranged in the scattering cavity and rotatablyconnected with the housing, a plurality of arc-shaped scattering pipes are arranged on the outer wall of the scattering tray in the circumferential direction, and the scattering pipes are arranged inthe tangential direction of the outer wall of the scattering tray. According to the machine, the scattering tray is driven by a motor to rotate, the scattering pipes are arranged on the scattering tray, omnidirectional bait feeding is realized, and uniform feeding avoids bait accumulation and waste; besides, the machine can perform mixing processing on bait before feeding, preparatory processes before feeding are reduced, and the feeding efficiency is improved.

The invention discloses a painting device for building construction. The painting device comprises an L-shaped fixing frame, a telescopic rod is fixed to the outer wall of one side of the L-shaped fixing frame by bolts, and a fixing mechanism is arranged at the end, away from the telescopic rod, of the L-shaped fixing frame. A painting roller is disposed on the fixing mechanism, and an arc-shapedcover is fixed to the side wall, close to the position of the painting roller, of the L-shaped fixing frame through bolts. Equidistantly-distributed nozzles are connected to the side wall of the arc-shaped cover in a screwed mode, a liquid guiding tube is connected to the side walls of the nozzles, and a liquid supply hose is connected to the side wall of the liquid guiding tube. A collecting hopper is fixed to the outer wall of one side of the L-shaped fixing frame through bolts, and a material flattening plate is hinged to the outer wall of one side of the collecting hopper. The painting device for building construction facilitates the replacement of the painting roller, improves the working efficiency, can reduce shaking of the painting roller when the painting roller rotates, enables rotation of the painting roller to be more labor-saving, can collect and recycle excess materials, avoids waste, and is beneficial to uniform discharge of the materials onto the painting roller, and the materials can be flattened.

The invention belongs to the technical field of wash machines and particularly relates to a detergent supply device and a wash machine. The detergent supply device includes a siphon structure, and thesiphon structure comprises a siphon hole formed in a liquid detergent putting cavity and a siphon cap covering the siphon hole, and the siphon hole is integrally assembled with the siphon cap and provided with a flow channel; a component for increasing the liquid flow speed is arranged at the rear part of the portion where the siphon cap is assembled with the siphon hole. The detergent supply device can dilute a detergent to the maximum extent, the siphon hole is prevented from being blocked, the siphon power can also be enhanced, and putting of the detergent is much smoother, more uniform and thorough.

The invention relates to chemical dosing equipment and in particular relates to chemical dosing equipment for a flocculating tank. The invention aims at providing the chemical dosing equipment for theflocculating tank, which can be used for more uniformly dosing chemicals and reducing the labor intensity of people. According to the technical scheme provided by the invention, the chemical dosing equipment for the flocculating tank comprises guide rails and the like; the guide rails are arranged at left and right sides of the top of a flocculating tank body; guide blocks are arranged on the guide rails in a sliding manner; fixing devices are arranged at the left and right sides of the guide blocks; storage hoppers are arranged at the tops of the fixing devices at the left and right sides ofthe guide blocks; a pipeline is arranged between the storage hoppers at the left and right sides; valves are arranged at the left and right sides of the pipeline; three discharging devices are uniformly arranged at the bottom of the pipeline. According to the chemical dosing equipment for the flocculating tank, the discharging devices are arranged; when people need to add a coagulant, the valvesare opened and a coagulant solution flows into the discharging devices through the pipeline and then is discharged into the flocculating tank body; meanwhile, people push the storage hoppers to move frontward and backward, so that the coagulant solution and sewage are uniformly stirred and the flocculating effect is improved.

The invention relates to a feeding device, in particular to a feeding device for an aquaculture fertilizer. Against the technical problem to be solved, the invention provides the feeding device for the aquaculture fertilizer, which saves time and labor and can evenly feed baits. In order to solve the technical problem, the invention provides the feeding device for the aquaculture fertilizer, whichincludes a mounting frame and the like. The inner bottom of the mounting frame is connected with a feeding mechanism, the upper portion inside the mounting frame is connected with a stirring mechanism, and the inner middle of the mounting frame is connected with a feeding box. The feeding device for the aquaculture fertilizer achieves effects of being capable of saving time and labor and evenly feeding the baits. The feeding mechanism is arranged, so that the baits in the feeding box are fully stirred, and the well-stirred baits are continuously and evenly fed into a cultivation farm under the filtering action of a filter screen, so that aquatic animals and plants can be fully fed; The stirring mechanism is arranged to fully stir the baits in the feeding box, and thus the feeding device saves time and labor and is high in stirring efficiency.

The invention relates to a floating dock underwater assembly technology. The floating dock underwater assembly technology is characterized by comprising the following specific technological steps of S1, ship segment, S2, launching, S3, self-loading control, S4, loading and ship moving, S5, total segment underwater assembly accuracy control, and S6, total segment underwater assembly. According to the floating dock underwater assembly technology, a whole ship is constructed independently, simultaneous construction can be conducted on different sites, and thus the construction period is shortened; as long as the dock conditions are adequate, construction is conducted by assembling together, and thus work after launching can be reduced; and a middle segment loads bow and stern segments, thus the demands for dock length conditions can be reduced, through loading construction, the dock utilization rate can be effectively increased, balance input of labor is facilitated, production plans arearranged flexibly and reasonably, the labor working environment can also be greatly improved, the way of entering a cabin of all major equipment is simplified, and the floating dock underwater assembly technology is of great significance to increasing of productivity of a shipyard.

The present invention relates to a method for screening and immobilizing efficient petroleum hydrocarbon degradation flora, wherein the method is applicable for offshore petroleum pollution environment remediation. According to the method, a lot of petroleum hydrocarbon degradation bacterial are enriched, acclimatized and separated from petroleum pollution sea area sediments, the n (n is more than or equal to 3) strains of the bacterial with strong growth activity, different colony morphologies and different cell morphologies are selected, a petroleum hydrocarbon degradation rate of the single strain of the bacterial is determined, 16SrDNA molecule identification is performed on the bacterial, the n strains of the petroleum hydrocarbon degradation bacterial are subjected to mixing culture, the (n-1) strains of the bacterial are randomly selected from the n strains of the bacterial, and are combined to form n groups of different combinations to carry out mixing culture, the optimal combination of the petroleum hydrocarbon degradation bacterial is determined, and the petroleum hydrocarbon degradation flora with the optimal combination is prepared into immobilized bacterial balls to be stored so as to provide a spare use for offshore petroleum pollution environment remediation. The method is an efficient petroleum hydrocarbon degradation flora screening method with characteristics of science, rationality, simplness, feasibility, and meeting of optimal combination principle, wherein the efficient petroleum hydrocarbon degradation flora can be immobilizedly embedded into the ball shape, petroleum pollution impact can be buffered, and petroleum pollution biodegradation efficiency can be increased.

The invention relates to a dispensing device, in particular to a feed dispensing device for aquaculture. The invention solves the technical problems by providing the feed dispensing device for aquaculture, which can dispense feed relatively uniformly and is high in manual feed dispensing speed. The feed dispensing device for aquaculture comprises a frame and the like, wherein supporting legs are mounted on four corners of the bottom of the frame; the right side of the frame is open; a box is mounted on the top of the frame; a discharge port is formed in the bottom of the box; the discharge port is communicated with the frame; wedge blocks are mounted on the left side and the right side of the inner part of the box; a feed hopper is mounted on the top of the box; the feed hopper is communicated with the box; a driving device is mounted on the left side of the outer part of the box; a launching device is arranged on the left side of the frame. The driving device drives the launching device to operate, the launching device dispenses the feed, and a mixing device is provided, so that two different feeds can be mixed, and thus the effects of relatively uniform feed dispensing and high manual feed dispensing speed are achieved.

The invention discloses a concrete mixing device. The concrete mixing device includes a support casing, a mixing barrel arranged in the support casing, and a spiral feeding mechanism located on the left side of the support casing, a power mechanism is arranged between the support casing and the spiral feeding mechanisms, and the power mechanism controls the conveying work of the spiral feeding mechanism and the stirring work of a left hollow stirring shaft and a right hollow stirring shaft. According to the concrete mixing device, the left hollow stirring shaft and the right hollow stirring shaft are utilized to convey water, then the water is added through a water spraying method with the layout of a first water outlet and a second water outlet, and thus stirring is more uniform.