30results about How to "Sink quickly" patented technology

The invention relates to fire fighting apparatuses, in particular to electric appliance fireproofing and fire-fighting equipment for a switching room. According to the technical aims, an alarm can be given out at the first time and can be processed through the electric appliance fireproofing and fire-fighting equipment for the switching room. In order to achieve the above technical aims, the electric appliance fireproofing and fire-fighting equipment for the switching room is provided and comprises a fireproofing box, fixing plates, first sliding rails, first sliding blocks, an alarming lamp, a connecting block, a separating plate, a first connecting plate, a second sliding rail, a second sliding block, a first spring and the like; the fixing plates are arranged on the inner walls of the front, back, left and right sides of the interior of the fireproofing box in a bolt connecting manner, the first sliding rails are installed in the fixing plates in a bolt connecting manner, and the first sliding blocks are connected into the first sliding rails in a sliding manner. By means of the electric appliance fireproofing and fire-fighting equipment, the effects of giving out the alarm at the first time and processing the alarm can be achieved; and the manner that the alarm lamp is triggered by burning out a fusing wire when an electric appliance catches a fire is adopted, and therefore a user can rapidly finds the fire.

The invention discloses a method for enhancing ocean carbon sink. According to the method, CO2 is absorbed through photosynthesis of phytoplankton to increase ocean carbon sink. The method includes the specific steps that a specially-made artificial flow building device is utilized to generate upwelling so as to lift abundant nutritive salt seawater in deep ocean up to the surface euphotic layer, surface phytoplankton is subjected to mass propagation (even red tide is caused) and participates in photosynthesis, and a great amount of CO2 is converted into organic matter in the body of the phytoplankton through the photosynthesis; then the artificial flow building device is utilized to generate downwelling so as to rapidly absorb the phytoplankton into the deep ocean, the phytoplankton dies rapidly in a low temperature environment without light, and carbon sinks to the seabed along with the dead living bodies and is stored in an ocean carbon library. According to the method, propagation of the ocean phytoplankton is promoted, and the phytoplankton is made to sink to the seabed rapidly to increase the ocean carbon sink amount, so that the concentration of CO2 in the atmosphere is effectively lowered, and the crisis of climate warming is relieved. The invention further discloses the artificial flow building device for enhancing ocean carbon sink.

The invention discloses a simulation device for simplified calculation of ship-ice collision in a water medium which comprises a water tank, wherein a lifting support frame is arranged in the water tank; an ice body model is arranged on the support frame; a ship model is arranged in the water tank; a guide rail is arranged on the water tank; a towing device is arranged on the guide rail; the towing device is connected with the ship model through a towing truss, a pressure sensor is arranged at the top end of the ship, and the pressure sensor is sequentially connected with a charge amplifier, amulti-channel signal collector and a computer; the ship collides with the ice body model through the driving of the towing device so as to acquire the collision data through the pressure sensor. On the premise of not using ice material, the device can carry out high-pressure loading with different ice body shapes, ice body masses, impact speeds, impact positions, ship model floating states and impact angles, the real situation of the collision between the ship and the ice can be reflected well, the cost is low, the operation is easy, and the risk is small.

The invention relates to a novel offshore fishing device, and belongs to the field of offshore fishing devices. The novel offshore fishing device comprises a hull, hanging arms, a fish net, capstans, fixed pulleys, halyards, a jack stay, a net drawing rope, hoops, a fishing containing net, falling blocks, a contracting opening, a fishing net, hanging rings and a net cover. The fish net is formed by sleeving of the fishing net and the fish containing net, the hoops are arranged on an inlet and an outlet of the fishing net, the outlet of the fishing net is the contracting opening, the inlet of the fishing net is provided with the net cover, an opening of the net cover is bound on the jack stay by the net drawing rope, the hanging rings are welded on the left and right sides of the hoop at the inlet end of the fishing net, the fish net is hung on the hanging arms through the halyards, the top and the tail of each hanging arm are provided with one fixed pulley and one capstan respectively, each halyard is wound on the corresponding fixed pulley to be coiled on the corresponding capstan, and falling blocks are annularly mounted on the periphery of the fish containing net with tail expanded by the corresponding hoop. Therefore, by the device, the problems that a large number of fishes escape from the opening of the fish net when a common fish net is drawn, net drawing completely depends on manpower to cause waste on time and labor and catchable depth adjusting range is limited are solved.

The invention discloses a method for casting a high-quality aluminum part through chips of aluminum-silicon pistons. The method includes the following steps that firstly, embracing and fusion are performed, wherein the machined chips of the aluminum-silicon pistons are recycled, dried and magnetically separated and are then added to a natural gas reverberatory furnace so as to be embraced and fused; secondly, high-temperature standing is performed, wherein the temperature of the natural gas reverberatory furnace is increased to 850 DEG C to 930 DEG C and kept for 50 min to 90 min, and molten aluminum is generated; thirdly, component detection is performed, wherein after slag of the molten aluminum is filtered out, magnesium is pressed to the bottom of the molten aluminum, after the molten aluminum stands still for 5 min to 9 min, a sample is obtained and analyzed, and the molten aluminum is adjusted till the content of each component in the molten aluminum meets the requirement; fourthly, refining and metamorphism are performed, wherein refining is performed before metamorphism; and fifthly, the aluminum part is cast, wherein when the temperature of the refined and metamorphosed molten aluminum ranges from 750 DEG C to 790 DEG C, the molten aluminum is treated through a degassing machine, stands still and is cast into the aluminum part. By the adoption of the method, complex equipment does not need to be invested, operation is easy, secondary aluminum burning losses can be reduced, energy is saved, consumption is reduced, the casting cost of the aluminum part is reduced, the waste aluminum chips are recycled, and the method is suitable for industrial large-scale production.

the invention discloses a penaeus vannamei breeding method. The method comprises the following steps: firstly, injecting seawater into a disinfected pond, wherein the pond communicates with a water circulation device; before throwing young penaeus vannamei, performing inoculation by using 10-15 million/mL of chaetoceros and 10-15 million/mL of dunaliella salina, wherein the chaetoceros and the dunaliella salina are cultivated by using a nutrient solution, and the nutrient solution comprises the following raw materials: ferric chloride hexahydrate, ethylenediamine tetraacetic acid disodium salt, copper sulfate pentahydrate, sodium molybdate dihydrate, zinc sulfate heptahydrate, cobalt chloride hexahydrate, manganese chloride tetrahydrate, vitamin B1, vitamin H, vitamin B12, vitamin B6 and sea salt; after the water quality is stable, throwing 450-550/m<2> of shrimp fry into the pond; feeding 50-500 grams of feed for every ten thousand of shrimps, wherein 15-20% of the shrimp feed is directly eaten by the shrimps, and the balance of the feed is decomposed by a water treatment device to serve as the nutrition of the chaetoceros and dunaliella salina; meanwhile, keeping the density of the chaetoceros and the dunaliella salina in the pond to be 10-15 million/mL; and performing harvesting in 40-70 days after the shrimp fry are thrown. The penaeus vannamei breeding method provided by the invention is high in breeding survival rate, large in prawn specification and large in yield.

The invention belongs to the field of aquaculture, and particularly relates to tablets for improving the culture environment of a culture pond as well as a preparation method and application of the tablets. The tablets comprise the following raw materials: a bacillus subtilis solid culture and a bacillus amyloliquefaciens solid culture, and further comprise the bacillus subtilis solid culture, thebacillus amyloliquefaciens solid culture, anhydrous sodium sulphate, sodium humate, dolomite powder, zeolite powder, maltodextrin and magnesium stearate. Research shows, in a process of preparing thetablets from the raw materials, a granulation process is not required, direct tabletting is performed, the oxidation-reduction potential and the dissolved oxygen at the bottom of the tank can be quickly improved; the sludge at the bottom of the pond is decomposed, residual feed, excrement, animal and plant corpses and organic chippings at the bottom of the pond are degraded, harmful substances such as ammonia nitrogen, nitrite, hydrogen sulfide and algal toxin at the bottom of the pond can be effectively adsorbed, the acidity of water is reduced, the pH value of the water is stabilized, microelements are supplemented, the transparency of the water is improved, and the purposes of improving substrate and purifying water are achieved.

The invention discloses a water surface monitoring device, and relates to the field of automatic monitoring. The water surface monitoring device comprises a main equipment box, and a solar cell panel and a camera which are installed at the top of the main equipment box. An equipment box, a self-priming pump, a compression air pump, an upper communicating pipe and a lower communicating pipe are arranged in a shell of the main equipment box. The solar cell is installed at the top of the device in a support mode, the area is larger, the power generation effect is better, the monitoring device is fixed within a small range in an anchor mode, the monitoring effect can be achieved more stably, and the monitoring device can be prevented from floating along with waves to be lost; the device can automatically turn over in storm to protect a solar cell and a camera from being hit by wind, water and rain, the whole device can sink to some extent, the device is more stable and safer, and when the anchor cable is broken after a long time, the device can rapidly sink to the water bottom, follow-up fishing is facilitated, and loss is avoided.

The invention provides a granular composite bottom treatment bacterium and a preparation method thereof. The formula of the composite bottom treatment bacterium comprises the following components: 0.5-1.5% of photosynthetic bacterium flocculant, 0.1-1% of liquid Bacillus natto, 35-53% of bentonite, 35-53% of granular zeolite powder, 1-5% of attapulgite, 2-6% of sodium percarbonate, 0.5-1.5% of sodium dihydrogen phosphate and the balance of normal saline. The preparation method comprises the following steps: evenly sprinkling the photosynthetic bacterium flocculant and the liquid Bacillus natto on the zeolite powder, evenly mixing, adding the bentonite, and then mixing; evenly mixing the sodium percarbonate, the sodium dihydrogen phosphate and the attapulgite; and mixing the two mixtures obtained in the previous steps, adding the normal saline, sufficiently stirring and mixing, putting in a granulator, and granulating. According to the invention, the viable granular composite bottom treatment bacterium has a high survival rate, can quickly sink to the bottom after being directly sprinkled, has remarkable cracking effect when encountering water and is convenient to use; sludge at the bottom of a pool can be quickly decomposed and degraded into organic substances; harmful substances can be effectively adsorbed; the acidity of a water body can be reduced, the pH value of the water body can be stabilized, minor elements can be supplemented, and the transparency of the water body can be enhanced; and bottom sediments can be improved, and water can be purified.

The present utility invention disclosed a technical field of height-increasing seat cushions, in particular to a SPA cushion, comprising a outer jacket and a core. There are counterweights at the bottom of the core. The outer jacket and the core are made of a 3D mesh material. The bottom of the outer jacket is provided with non-slip rubber base for increasing friction, and four mounting holes for installing suction cups. Compared with other inflatable cushions on the market, the SPA cushion is high of air and moisture permeability and redistribution of compression pressure due to the 3D mesh material. And it offers comfortable and significant support for the buttock; Also, since the outer jacket and the core are made of 3D mesh material, it becomes more breathable and quick-drying. The weight of the counterweight will drive the SPA cushion to sink and fix it on the bottom itself easily when use in water. The non-slip rubber base at the bottom side of the outer jacket increases the friction, in result, the SPA cushion will not move or float casually, which makes it more convenient to use. The suction cups can prevent the SPA cushion from moving, too. And compared with these existing inflatable seat cushions, the SPA cushion is of higher quality, and there is no problems such as air leakage and explosion.

The invention provides an offshore oil platform pollution condition monitoring device. The device comprises a moving block, a transverse frame, a pushing module, a rotating module, a mounting frame, an anti-rollover protection device, a PH detection module, a limiting rope frame structure, a rechargeable lithium battery, a processing unit, a positioning module, a solar power generation module, a wireless communication module, a camera device, a seawater collection device and a deep water detection device. The transverse frame is mounted on a lower portion of the moving block through bolts; thepushing module is installed on a left side and a right side of the transverse frame through the bolts; the rotating module is embedded into the middle upper part of the moving block; and the mountingframe is mounted on an output shaft at the upper part of the rotating module through the bolts. A rubber air bag is connected to one side of the protection plate in a glued mode and arranged on the inner side of the storage frame at the same time, the rubber air bag can be inflated when a water surface is thin, cool and large, and therefore buoyancy of the device is increased, and a problem thatrollover is generated when stormy waves are large is solved.

The invention provides a convective dust removal device which comprises a plurality of water tanks, a smoke inlet condensation cylinder, a plurality of middle condensation cylinders, a smoke outlet condensation cylinder and a plurality of communicating pipes, wherein the number of the smoke inlet condensation cylinder, the middle condensation cylinders and the smoke outlet condensation cylinder is equal to that of the water tanks; the smoke inlet condensation cylinder, the middle condensation cylinders and the smoke outlet condensation cylinder are mounted on the water tanks respectively, communicate with the corresponding water tanks respectively and communicate with one another through the communicating pipes in sequence; one end of the communicating pipe between the smoke inlet condensation cylinder and the middle condensation cylinder adjacent to the smoke inlet condensation cylinder or between every two adjacent condensation cylinders or between the middle condensation cylinder adjacent to the smoke outlet condensation cylinder and the smoke outlet condensation cylinder is connected with the smoke inlet condensation cylinder or one middle condensation cylinder, and the other end of the communicating pipe extends into another middle condensation cylinder or the smoke outlet condensation cylinder, so that smoke is jet into the middle condensation cylinders or the smoke outlet condensation cylinder; the center axis of the end part, extending into one middle condensation cylinder or the smoke outlet condensation cylinder, of each communicating pipe is perpendicular to the horizontal plane of the corresponding water tank; the smoke inlet condensation cylinder communicates with a smoke exhaust pipe which is vertically inserted into the smoke inlet condensation cylinder and is perpendicular to the horizontal plane of the corresponding water tank; and the smoke outlet condensation cylinder is connected with another smoke exhaust pipe.