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65results about How to "Slow down the sinking speed" patented technology

Anti-sinking system of ship

The invention discloses an anti-sinking system of a ship. The anti-sinking system comprises a detection subsystem, a central control subsystem and an anti-sinking executive subsystem, wherein the detection subsystem consists of a gravity center deflecting angle detection device for the ship and an immersion depth detection device for the ship; the central control subsystem consists of a manual control part and an automatic control part which are parallel, and is used for processing detection information and performing executive operation on the anti-sinking executive subsystem; the anti-sinking executive subsystem consists of a pressure storing container group, an air pump group, air pipelines, air sac cabins and air bags, wherein the pressure storing container group consists of a plurality of pressure storing containers which are connected in parallel, compressed air with certain pressure is invariably maintained in the pressure storing containers, one ends of the pressure storing containers are connected with the air pump group through the air pipelines, and the other ends of the pressure storing containers are connected with the air bags in the air sac cabins. According to the anti-sinking system disclosed by the invention, the air bags are arranged so as to prevent the overturn and the sinking of the ship, the sinking speed of the ship is lowered, time of safe evacuation for people and property is bought, and the salvage difficulty is reduced.
Owner:CHANGAN UNIV

Three-dimensional roof controlling method for fully mechanized caving of steeply inclined and extremely thick coal seam

The invention discloses a three-dimensional roof controlling method for fully mechanized caving of a steeply inclined and extremely thick coal seam. The steeply inclined and extremely thick coal seam is mined in multiple sections from back to front along the trend of the coal same, each of the mining sections is cut into multiple sub-layers from top to bottom, and the uppermost sub-layer is a top sub-layer; when any mining section is mined, the multiple sub-layers of the mining section are respectively minted from top to bottom, and the process comprises the following steps: I, mining the top sub-layer: comprising the steps of tunnel construction, extraction of toxic and harmful gas in a pre-denotation roadway, advanced pre-blasting of top coal, drainage to wet the top coal, coal mining and nitrogen injection behind a working face and ground backfill of a subsidence area; II, mining the next sub-layer; and III, repeating the step II once or multiple times till the mining processes of all sub-layers of the mining section are completed. The method disclosed by the invention is simple in step, reasonable in design, convenient to implement and good in using effect, and various protective measures are combined in use, so that the potential safety hazards such as roof caving, gob fire and the like can be effectively eliminated.
Owner:XIAN UNIV OF SCI & TECH

Steamship provided with rollover self-rescuing system

The invention discloses a steamship provided with a rollover self-rescuing system, and belongs to the technical field of steamship manufacturing. The steamship comprises a steamship body and is characterized in that the steamship rollover self-rescuing system is arranged on the steamship body; and the steamship rollover self-rescuing system comprises a plurality of air bags, winches and air bag inflating systems, wherein the air bags are arranged on the two sides of the portion, above the waterline of the steamship body, of a ship board, and the winch are used for fixing and containing the air bags. According to the steamship, the steamship rollover self-rescuing system is additionally arranged on the basis of an existing steamship, the principle that the safety air bags are rapidly inflated is used, once dangerous cases, such as sudden steamship rollover, of the steamship occur, an automatic control system can automatically control electronic valves, the winches and automatic groove opening-closing baffles to move, the air bags are rapidly inflated with air accordingly, the steamship body is supported through buoyancy generated by the air bags on the water surface, the aim of preventing the steamship body from being continuously inclined and sunken or decreasing the sinking speed is achieved accordingly, and valuable time is gained for escaping and rescuing of people.
Owner:毛应吉

Soft soil layer open caisson sinking control method and device

ActiveCN106759426ASlow down the sinking speedPrevent sudden sinkingCaissonsSoil horizonEngineering
The invention discloses a soft soil layer open caisson sinking control method. The method comprises the steps that when an open caisson sinks to a soft soil layer, sealing plates are arranged in the position, located on the soft soil layer, in holes of the open caisson, so that a plurality of confined spaces are formed by the wall of the open caisson, inner partition walls, the surface of the soft soil layer and the sealing plates, and the sinking speed and gesture of the open caisson are adjusted by adjusting the air pressures of the confined spaces. The invention further discloses a soft soil layer open caisson sinking control device. The device comprises the sealing plates which are arranged on the soft soil layer, so that the multiple confined spaces are formed by the wall of the open caisson, the inner partition walls, the surface of the soft soil layer and the sealing plates. All the sealing plates are provided with air inlets and air outlets, inflation devices which communicate with the air inlets, and deflation devices which communicate with the air outlets. The soft soil layer open caisson sinking control method and device can rapidly regulate and control the sinking gesture of the open caisson, sudden sinking of the open caisson in the deep soft soil layer is effectively prevented, and the effect that the open caisson is sunk to the preset sinking position stably and accurately is ensured.
Owner:CCCC SECOND HARBOR ENG +2

Composite heat insulating wall for composing window, and its mounting method

The invention belongs to the light, insulation building field, in particular to an environment-friendly, light and window-forming composite insulating wall and a corresponding mounting method thereof. The wall comprises four pieces of EPS boards which can be mutually connected by bosses and depressed grooves; holes containing steel columns are arranged on the EPS boards; the steel columns are arranged in the depressed grooves which are mutually communicated; a pre-embedded insulation part is respectively arranged at one side, close to the window, of the left and the right EPS boards; and a fireproof insulation layer, a fireproof insulation film and an anti-impact board are sequentially fixedly connected with the outer surface of the EPS board. The method comprises the following steps: the steel columns are pre-embedded and ground beams are mounted; the matching between the bosses and depressed grooves on the EPS boards is adopted to connect and mount the EPS boards; the mounting method of the EPS boards of other layers besides the first layer is based on the mounting method of the first layer; the steel beams are mounted and bundled and then the fireproof insulation layer, the fireproof insulation film and the anti-impact board are sequentially and fixedly connected with the outer surface of the EPS board; the concrete is cast; and after the first layer is completed, the other layers are mounted according to the mounting method of the first layer. The invention is characterized in that the wall is environment-friendly and light; the insulation effect is good; and the mounting speed is fast, etc.
Owner:谭齐阳

Crystallizer for MVR (Mechanical Vapor Recompression) sewage treatment system

The invention discloses a crystallizer for an MVR (Mechanical Vapor Recompression) sewage treatment system. According to the crystallizer, the problems that an inlet solution is not uniformly dispersed, a steam outlet channel has small clearance, great resistance drop, easiness in blockage and poor separation effect, as well as a crystalloid in a container easily enters a connected pipeline, so that the service life of a pump in the connected pipeline is shortened in the prior art are solved. The crystallizer is characterized in that guide diverters are welded at an interface positions of theinner wall of a cylinder body and solution inlet pipes; a multichannel folded plate type demisting device is arranged in an upper cone; sprayers on an upper layer and a lower layer are arranged on themultichannel folded plate type demisting device; outlet grids are welded at an solution outlet; multifunctional grids are also arranged in a lower cone. The crystallizer has the beneficial effects that the inlet solution is uniformly distributed, the vapor-liquid separating efficiency of a steam outlet is high, and a crystal mush solution in a salt leg is uniformly distributed, so that vortex formed in the sinking process of the crystal mush solution can be prevented and a crystallizing effect is improved; the crystalloid in the container can be prevented from entering the connected pipelineat the solution outlet, and the service life of a circulating pump in the connected pipeline is prolonged.
Owner:沈阳东方钛业股份有限公司

Steamship with backup floating assisting air bags

A steamship with backup floating assisting air bags is characterized in that a U-shaped groove concaved towards the interior of a steamship body is formed in the periphery of a ship rail (10) below a deck (3) above a waterline (2) of the steamship; the backup unaerated air bags are arranged in the groove, fixing ropes are arranged on the parts, one forth and three fourths of the length of the air bags, in the groove to be connected with the ship rail, air hoses are arranged in the middles of the air bags and are connected with a compressed air tank in the steamship through control valves, a groove cover plate flush with the ship rail is arranged in an opening of the groove, a rotating shaft is arranged on the lower portion of the cover plate and is connected with the ship rail, and magnets are arranged on the upper portion of the cover plate and attract to the ship rail. When the steamship strikes a reef, collides and inclines and sinks when water enters a cabin, the cover plate of the U-shaped groove can be opened fast, the floating assisting air bags on the inclining and sinking side are released and fast aerated to generate buoyance so as to prevent the side from sinking continually, when the whole steamship sinks, all the backup floating assisting air bags on the periphery of the ship rail of the steamship can be fast released and fast aerated to generate buoyance so as to prevent the whole steamship from sinking continually or slow down the sinking speed, and escaping time and rescuing time are gained.
Owner:马同金

Automatic bait scattering device for intelligent agriculture

The invention discloses an automatic bait scattering device for intelligent agriculture, which comprises a floating base and a bait scattering machine, a fixing groove is formed in the upper end of the floating base, the bait scattering machine is installed in the fixing groove, blades are stabilized on the lower end surface of the floating base, a bait bin is arranged at the lower end of the bait scattering machine, a pushing plate is slidably connected into the bait bin, a partition plate is arranged on the side end surface of the bait bin, a first motor is arranged at the lower end of the partition plate, a feeding port is formed in the upper end surface of the bait bin, the upper end surface of the bait bin is rotationally connected with a bait scattering rotary disc, a grain cutting device is arranged on the upper end face of the bait bin, a second motor is arranged on the upper end face of the bait bin, and the second motor is connected with the bait scattering rotary disc in an engaged mode through a gear. Through top rotary discharging, bait is scattered to the periphery of equipment through centrifugal force, an annular bait scattering ring is formed, the bait scattering range is widened, the bait scattering area is far away from the bait scattering equipment, and the situation that the bait scattering equipment interferes with fish schools and affects feeding of the fish schools is avoided.
Owner:陈业文

Marine safety airbag system

The invention provides a marine safety airbag system. The marine safety airbag system comprises a guide rail cylinder, a high-strength spring, an ejection rod, an annular electromagnet, safety airbagequipment and a control system. When the ship body tilts to a large extent due to emergencies such as contact reef water leakage, storm influence and the like, the electromagnet is powered off, and the ejection rod instantly ejects to the upper side of the water surface under the action of restoring force of the high-strength spring. At the same time, a sodium azide layer in the safety airbag assembly arranged in the ejection rod is immediately subjected to gas explosion, nitrogen generated by chemical reaction is immediately inflated to the folding airbag after passing through the filter layer, and the airbag is instantaneously inflated and floats on the water surface. When the ejection rod is ejected out, the spring metal bar connector which is originally compressed is ejected out, and the ejection rod is prevented from moving towards the direction of the high-strength spring. The safety airbag system for the ship can stabilize the ship body in time, increase the buoyancy of the shipbody, reduce the sinking speed and even prevent the ship body from sinking, and is very worthy of application and popularization in actual life.
Owner:ANHUI UNIV OF SCI & TECH

Control method used for while-drilling tube following pile machine

The invention discloses a control method used for a while-drilling tube following pile machine. The method comprises the steps of S1, finishing mounting and debugging of an automatic control system; S2, inputting condition threshold values used for controlling an output shaft of a drilling rod power box, a speed reduction device and a shock excitation driving unit to be started and stopped into acentral processing unit; S3, adjusting an adjusting oil cylinder to enable the length of a telescopic spring to be within the length upper threshold value and length lower threshold range, and starting a drilling rod for carrying out construction; S4, in the constructing process, carrying out real-time monitoring on the length of the telescopic spring, and comparing the actually measured length ofthe telescopic spring with the preset threshold value; and S5, when a comparison value is abnormal, taking processing measures in time, and ensuring normal operation of the construction. Time lay ofmanual operation and dependency on technical levels of an engineer can be overcome, the development tendency of the building industrialization can be met, the bearing property difference between pipefile foundation units after construction is finished is small, precise design of a building foundation and a structure is facilitated, and the later-period detection and maintaining are facilitated.
Owner:GUANGZHOU INSTITUTE OF BUILDING SCIENCE CO LTD

Ground jetting type jet apparatus used for water curtain partition in tunnel fire

The invention discloses a ground jetting type jet apparatus used for a water curtain partition in a tunnel fire hazard. The ground jetting type jet apparatus comprises a high pressure water source access port and a high pressure atomizing sprayer 1, the ground jetting type jet apparatus further comprises a sprayer installation component and a sprayer protection component, the sprayer protection component can be installed in front of the spraying direction of the sprayer on the sprayer installation component, and the sprayer protection component is used for preventing against the mechanical impact and/or blockage of the sprayer by a destroying article in front of the spraying direction of the sprayer. The ground jetting type jet apparatus has the beneficial effects that the ground jetting type jet apparatus used for the water curtain partition in the tunnel fire hazard provides a fire control scheme for the fire hazard in the space of a tunnel, and solves the problems of controlling fire source isolation and fire spreading in case of the fire in the special environments like the tunnel. Compared with the top jetting type structure, the water curtain partition formed by the ground jetting structure is more even and denser, the thermal insulation effect is good, the provided ground jetting sprayer protection structure effectively protects the sprayer, and the durability and the stability of equipment are guaranteed.
Owner:VITALONG FIRE SAFETY GRP
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