32results about How to "Calm water" patented technology

The invention discloses a gate breakwater capable of adjusting water flow. The gate breakwater comprises embankment body structure units and is characterized in that each embankment body structure unit comprises an embankment body and an upper top prefabricated slab arranged on the embankment body, wherein a rotating device is arranged on the upper top prefabricated slab, two insertion holes I are formed in the upper top prefabricated slab, a concrete prefabricated slab gate is arranged at the inner side of the embankment body, a bottom plate is arranged at the bottom of the embankment body, and the concrete prefabricated slab gate is connected with the bottom plate by an auxiliary rotating shaft. The gate breakwater has the advantage of preventing wave and silt; in normal sea conditions, a motor is started, the gate is rotated to open, and at the moment, the gate breakwater serves as a permeable embankment, which can stop the influence of part wavelets, and serious in-harbor sedimentation cannot be caused; and when large wave comes, the gate can be closed, and at the moment, the gate breakwater serves as a solid embankment, which can effectively realize the effect of dissipating waves, thus ensuring the stability of the water area in the harbor and facilitating normal berthing and operation of ships.

An energy dissipating water distributor of a cross flow type cooling tower with a hydrodynamic fan comprises a housing box (2). A water inlet connector (1) is arranged on the upper portion of the housing box (2). The energy dissipating water distributor is characterized in that an inverted-V-shaped central pressure reducing splitter plate (3) is arranged at the bottom of the housing box (2) and is positioned opposite to the water inlet connector (1), a plurality of lower energy dissipating plates (4) are mounted on a bottom plate (7) at intervals, a plurality of upper energy dissipating plates (5) are mounted on an upper plate (8) opposite to the bottom plate, the lower end of each upper energy dissipating plate (5) is positioned between the two correspondingly adjacent lower energy dissipating plates (4), gaps are arranged between the upper end of each lower energy dissipating plate (4) and the upper plate (8) and between each upper energy dissipating plate (5) and the bottom plate (7), water flows through the gaps, a plurality of water distributing notches (10) are disposed on two side splitter plates (6) of the housing box (2), and water flows into water distributing grooves (9) via the water distributing notches (10) according to water flow, and forms fan-shaped diffusion flow by the aid of the water distributing notches (10). The energy dissipating water distributor is simple in structure and convenient in installation. The problem of splashing of water fed into the tower is solved, noise is reduced, water distribution uniformity is improved, and a cooling performanceis enhanced to the greatest extent.

The present invention relates to the technical field of flood drainage in mountainous areas, in particular to a large-section flood drainage ditch used in mountainous terrain and its construction method, wherein the large-section flood drainage ditch used in mountainous terrain includes a flood drainage ditch body, the The flood drainage ditch body includes a flood drainage ditch bottom plate and side walls of the flood drainage ditch arranged on both sides of the flood drainage ditch bottom plate. The flood drainage ditch bottom plate is provided with a drop water energy dissipation structure; The construction method of the flood ditch comprises the following steps: Step 1: construction of the flood discharge ditch body, including the construction of the flood discharge ditch bottom plate and the flood discharge ditch side wall; , correspondingly construct the falling water energy dissipation structure on the bottom plate of the flood discharge ditch; The energy dissipation function reduces the kinetic energy of the water flow, thereby reducing the impact of the water flow on the body of the flood discharge ditch and the downstream reservoir area.

The invention belongs to the technical field of energy plant cultivation and provides a duckweed-culturing wave-eliminating device. One structure adopted by the duckweed-culturing wave-eliminating device is a frame body I, wherein the frame body I is formed by at least three louver blade assemblies in a surrounding manner; the top surface and the bottom surface of the frame body I are open; the side surfaces of the frame body I adopt a louver blade structure. Another structure adopted by the duckweed-culturing wave-eliminating device is composed of a frame body II and coamings, wherein the frame body II is formed by louver blade assemblies in a surrounding manner; the coamings are arranged at the periphery of the frame body II. The third structure adopted by the duckweed-culturing wave-eliminating device is formed by at least three perforated frame bodies III with different sizes, which are nested and combined together; the top surface of each perforated frame body III is open; during nesting and combining, the opening of each perforated frame body III faces up. When the duckweed-culturing wave-eliminating device is used for duckweed cultivation, impacts, of waves of a flowing water body, on duckweeds, can be weakened or eliminated, the area of a water surface suitable for growth of the duckweeds can be increased, and the yield of the duckweeds can be increased.

The invention discloses a jet apparatus suitable for physics teaching. A high-pressure plunger pump is fixedly connected to a water storage tank and a constant water level tank through pipelines. An energy dissipation chamber is disposed inside the constant water level tank and is arranged at the bottom of the constant water level tank. The constant water level tank is fixedly connected to the water storage tank through a drainpipe. A vertical jet device is fixedly connected to the constant water level tank through a first jet pipeline. A vertical nozzle is disposed inside a jet chamber and is fixedly connected to the first jet pipeline. A symmetrical curved surface is disposed inside the jet chamber and is arranged above the vertical nozzle. A physics demonstration device is fixedly connected to the vertical jet device through a second jet pipeline. The jet apparatus suitable for physics teaching employs a constant hydraulic pressure device, so that water can be recycled, the hydraulic pressure is constant, resources are saved, and an environmental protection energy-saving concept is embodied. Energy can be dissipated through glass balls and buffer boards in the energy dissipation chamber which is disposed inside the constant water level tank, so that the water level in the constant water level tank can be stable.

The invention discloses a spinning coagulation bath device, which belongs to the technical field of textile machinery. It includes a water tank (1), a water separation partition (8), and a bundle godet roller assembly (6). The water separation partition (8) is arranged in the water tank (1), so that the accommodation space inside the water tank (1) It is divided into a first accommodation space (17) and a second accommodation space (14) by a water dividing partition (8), and the bundle godet roller assembly (6) is arranged in the first accommodation space (17); the second The bottom of the accommodating space (14) is provided with a first through hole (18), and the second accommodating space (14) communicates with the outside world through the first through hole (18); 1) The top edge. The spinning coagulation bath device can ensure that the fluid in the coagulation bath is stable. In addition, the setting of the water divider (8) not only ensures that the water tank (1) can be completely filled with solvent, but also meets the gap requirements for cooling side blowing. .

The invention discloses a ventilating and anti-scouring structure of a water cofferdam, which comprises a main pipe and a plurality of auxiliary pipes arranged inside the water cofferdam, the main pipe and the auxiliary pipes are arranged on the same horizontal plane close to the top surface of the weir, and The main pipe is perpendicular to the flow direction of the weir top surface, the two ends of the main pipe penetrate the water cofferdam, one end of the auxiliary pipe is vertically connected with the main pipe, and the other end penetrates the downstream weir surface; in addition, the present invention also provides An anti-scouring method for a cofferdam of the above-mentioned ventilated and anti-scour structure, by pre-embedding the main pipe and auxiliary pipes inside the cofferdam to form a ventilation channel, which has a better anti-scour effect, and at the same time balances the air pressure behind the weir , significantly improve the water flow pattern, and the structure is simple, easy to design and construct.

The present invention discloses a self-purification water tank, wherein a tank body is arranged longitudinally; a settling area is under a water storage area; the water storage area and the settling zone are separated by a cone-shaped clapboard; the bottom of the settling zone is in an inverted cone shape; a certain gap is formed between the periphery edge of the cone-shaped clapboard and the inner wall of the tank body; the center of the bottom port of the settling zone is provided with a sewage cleaning opening; the water storage area is provided with a water outlet and inlet pipe, part of the water inlet and outlet pipe is arranged longitudinally and is in the center of the water storage area; the upper end of the water inlet and outlet pipe is open to communicate with a tap water pipe; the lower end of the water inlet and outlet pipe is provided with an opening on the vertical surface of the tank body on the lower part of the water storage area; and the part of the water inlet and outlet pipe arranged longitudinally is provided with a plurality of water inlet and outlet holes at intervals. The water storage area is often in a calm state and does not interfere the settling zone, and is provided with two conical surfaces so that settlings are gathered towards the settling zone and the sewage cleaning opening respectively and automatically; and the lower part of the gap (a first passage) is provided with a plurality of flow guide plates so that the settling zone generates rotary vortex automatically when the sewage is discharged, and water flows into the settling zone from a plurality of directions so that the sewage cleaning speed is improved and the cleaning effect is good, stable and reliable.