369results about How to "Lower the water level" patented technology

High-yielding method for chemical hydrolysis of lignocellulose into monosaccharides. The process of the invention can additionally be applied to cellulose, xylan and related biomass polysaccharides, such as galactan, mannan, or arabinan. The method is employed for hydrolysis of a biomass polysaccharide substrate. The process is carried out in an ionic liquid in which cellulose is soluble in the presence of catalytic acid at a temperature sufficiently high to initiate hydrolysis. Water is added to the reaction mixture after initiation of hydrolysis at a rate controlled to avoid precipitation yet avoid undesired sugar dehydration products such ad HMF. Hydrolysis product is useful as feedstock for fermentations including fermentation processes for ethanol, butanol and other fuels.

A fibre-reinforcing fabric or preform, including reinforcing fibres and semicrystalline thermoplastic polymer binder, for subsequent infusion with uncured thermosetting polymer, or a class of thermosetting polymers, and curing to make a high-performance thermoset polymer composite structure, where said semi-crystalline thermoplastic polymer and said thermosetting polymer or components of said thermosetting polymer have a high level of solution compatibility at the curing temperature of the thermosetting polymer and are able to partially interpenetrate before curing of the thermosetting polymer.

A method of coating a component on a surface thereof includes applying an organic polyoxazole-containing polymer solution to the surface and, in a further step, drying the applied polymer solution to form a coating on the surface. A coating on a component, more particularly a corrosion-resistant coating, comprises a solution of an organic polyoxazole-containing polymer. The solution is applied to a surface of the component in order to coat the surface. The surface being coated may be metal.

The invention discloses an integrated air conditioner and a condensed water processing method for the integrated air conditioner. The integrated air conditioner comprises an indoor water receiving plate, a drainage device connected with the indoor water receiving plate and used for leading the condensed water in the indoor water receiving plate to the outer side walls of multiple rows of condensers of the integrated air conditioner, the multiple rows of condensers used for heating condensed water on the outer side walls to at least vaporize part of the condensed water, a water tank arranged on a chassis of the integrated air conditioner and used for receiving non-vaporized condensed water on the outer side wall, and a water beating motor which comprises a plurality of water beating wheels and is used for beating the non-vaporized condensed water to the outer side walls of the condensers through the water beating wheels so as to enable the multiple rows of condensers to vaporize the non-vaporized condensed water again. By means of the technical scheme, the condensed water in the integrated air conditioner can be discharged automatically, and a user is protected from manually discharging the condensed water.

An automatic pool level controller that maintains a water level water in a swimming pool to protect the pool both from a low water level and from overflow conditions that disable pool equipment from operating. The controller monitors water level with a plurality of adjustable conducting sensors that connect to a plurality of relays that control a plurality of switches and a solenoid valve to automatically add water to the pool when the water level falls below the desired level, and halt addition of water when the desired level is achieved, automatically turning on a pump to expel water to reduce the water level, and automatically turning a pump off to halt the discharge of water when the water is reduced to the desired level, maintaining the water level sufficient for operating pool equipment. The controller has an immersible sensor board, a submersible pump and runs on household current.

The invention discloses a closed-type constant-temperature multi-layer water circulation turtle cultivation system which comprises a multilayer turtle cultivation pool devices, a cultivation water environment adjusting device, an indoor air environment adjusting device and a cultivation system operation control device, wherein the multilayer turtle cultivation pool device comprises a plurality of turtle cultivation pools, circulating water return pipes, circulating water outlet branch pipes and main circulating water outlet pipes, primary solid liquid precipitation devices, blow-down valves and pollution discharge blow-down pipes; the cultivation water environment adjusting device comprises a solid-liquid separator, a blow-down valve, a sterilizer, a protein separator, a biological filtering device or tank, a circulating pump and a water heating device; and the indoor air environment adjusting device comprises an air heating device, an air oxygenating device and an insulation building. According to the closed type constant-temperature multi-layer water circulation turtle cultivation system, turtle cultivation environments can be comprehensively controlled, the land, the water and the energy are saved, an optimal ecological environment suitable for turtles to rapidly grow is established, turtle cultivation is free of drugs, and healthy and safe food sanitation requirements are met.

A pumping system featuring a pump chamber configured with a central portion having a tangential outlet, and configured with a tubular coupling end portion having inwardly flexible rim portions on one side; and a mounting base, having a circular portion with an inner circumferential rim configured to receive and engage the inwardly flexible rim portions of the tubular coupling portion of the pump chamber so as to be rotationally coupled to the pumping chamber so that the pumping chamber may be rotated 360° in relation to the mounting base.

The invention provides a water logging and air cooling combined passive containment cooling system and method. The system is completely self-started, free of intermediate control procedure and high in reliability. The is characterized by comprising a cooling pool and an air flow guide cover, wherein the cooling pool can submerge a containment, the air flow guide cover is arranged at the outside of the containment in the cooling pool, the air flow guide cover is provided with a surrounding part surrounding the containment, and a flow guide part located above the top part of the containment and extending to the atmosphere, the surrounding part and the flow guide part are connected into an entirety, the cooling pool is provided with an air inlet, and the air inlet of the cooling pool, the surrounding part of the air flow guide cover and the flow guide part form an air flow passage with a chimney effect.

A floor mop has two mop supporting wings, which carry an absorbent mop layer and are hinge-connected to a common supporting centerpiece. A mop handle is hinge-mounted to the supporting centerpiece via a Cardan joint. A squeezing slider, which is displaceable along the mop handle and is guided non-rotatably, has two rigid squeezing arms whose ends can each be brought into engagement with a guide surface on the upper side of the respectively assigned mop supporting wings via rollers. Each mop supporting wing forms a rectangular trapezium or triangle. The edges running at right angles to the hinge edge of each mop supporting wing form a common straight continuous front edge.

Disclosed is a manufactured three-dimensional convex-concave fairing with attached vortex generators, for hydraulic structures such as bridge piers and abutments, whose shape prevents the local scour problem around such hydraulic structures. The device is a conventionally made concrete or fiber-reinforced composite, or combination of both, vortex generator equipped hydrodynamic fairing that is fit or cast over an existing or new hydraulic structure around the base of the structure and above the footing. The vortex generators are positioned so as to energize decelerating near wall flow with higher-momentum outer layer flow. The result is a more steady, compact separation and wake and substantially mitigated scour inducing vortical flow.

The invention provides a flow guide device used for measuring underwater jet flow noises by a reverberation method. The flow guide device comprises a water inlet pipe, a flow guide pipe, a flow stabilizing box, a height adjuster and a water outlet pipe, wherein one end of the water inlet pipe is inserted into a non-noise-eliminating water pool or water tank; the other end of the water inlet pipe is connected with the flow guide pipe; one end of the flow guide pipe is connected with the water inlet pipe and the other end of the flow guide pipe is connected with the flow stabilizing box; the flow stabilizing box is fixedly provided with the flow guide pipe; the flow stabilizing box is arranged on the height adjuster; the height adjuster can be used for freely adjusting the height in the vertical direction; and the water outlet pipe is located on the side face of the flow stabilizing box. According to the flow guide device used for measuring the underwater jet flow noises by the reverberation method, when the reverberation method is used for measuring radiation sound power of the underwater jet flow noises, the volume of water in the non-noise-eliminating water pool or water tank is not increased by jet flow and the jet flow radiation noises are not transmitted to the outer side, and the noises of the outer side are not transmitted into the non-noise-eliminating water pool or water tank, so that the measurement of the radiation sound power of the underwater jet flow noises is not influenced.

A beverage dispenser is proposed which includes a soft raw water container and which makes it possible to spontaneously use up drinking water in the container. A water passage tube (12) of a container connecting portion (10) includes a tubular partitioning wall (13) dividing the interior of the water passage tube (12) into a water passage (14) communicating with a water passage hole (14a), and an air passage (15) communicating with the water passage (14) through a small air passage hole (15a). A water passage pipe (16) is connected to the water passage (14). The water passage tube (12) has a base portion (12a) formed with an opening (15b) communicating with the air passage (15). An air passage pipe (17) is connected to the opening (15b) and hangs vertically downwardly into a low-temperature tank (2). An on-off valve (19b) is provided at the free end of the air passage pipe (17) which is adapted to open when the water level in the low-temperature tank (2) lowers. With this arrangement, when drinking water in the raw water container (A) runs low and the water level in the low-temperature tank (2) remains low, air in the low-temperature tank (2) is introduced into the raw water container (A) through the on-off valve (19b), which is now open, the air passage pipe (17), the air passage (15) and the small air passage hole (15a). This eliminates a negative pressure in the raw water container (A), thereby allowing water remaining in the container to be dropped into the tank.

A diversion work for river gate dams and spillways comprises an integrated platform made of two segments; wherein, the inside wall of the first segment platform is an circular conical surface; the outside wall is a circular cylindrical surface; both the top face and the bottom face are planes; the inside wall of the second segment platform is a torsion face, and the outside wall is a tangential plane against the circular cylindrical surface of the first segment platform; both the top face and the bottom face are also planes. In installation, the tail of the transition torsion face of the second segment platform is tangentially connected with side walls of an inlet side hole on a river gate dam or a spillway. The diversion work can effectively resolve the problem of transiversal shrinkage of water flow in front of inlets of the river gate dam and the spillway. To further improve water flow status, it is necessary to add a vertical guide dam; one end of the vertical guide dam is linked to the tail of the transition torsion face of the second segment platform; the other end is connected with the side wall of the river gate dam or the spillway inlet side hole. In a plurality of projects, the first segment platforms can be extended to connect with the bank, for which the surrounded lands can also be utilized for other purposes.

An apparatus and method for switching a power transmission mode of a washing machine id disclosed, to prevent malfunction and damages of the washing machine by switching the power transmission mode stably in which the method includes: (a) rotating the cam (600) by driving the clutch motor (60); (b) counting the number of pulses of power supplied to the clutch motor (60); and (c) maintaining the rotation of the cam (600) until the ounted number of pulses is equal to, or greater than a preset number of pulses.

The invention relates to the technical field of construction, in particular to a surface precipitation deep well washing device. The surface precipitation deep well washing device comprises a well washing pipe, a high-pressure air hose and a blowing member. The blowing member is used for blowing high-pressure air to the high-pressure air hose, the high-pressure air in the high-pressure air hose moves upwards through a gap between the inner wall of the well washing pipe and the high-pressure air hose after passing through the bottom, meanwhile, well bottom sediment and water outside the well washing pipe are pushed to the head of the well to a certain height, then, the blowing member is turned off to stop blowing through an air supply pipe, and the blown sediment and water are quickly pushed upwards through the gap between the well washing pipe and the high-pressure air hose due to the siphon phenomenon and ejected out through a sediment discharge opening, so that the purpose of well bottom sediment removal is achieved. The surface precipitation deep well washing device is easy to assemble in site and operate and capable of well removing bottom sediment of a deep well to ensure the effective reduction of the water level of a tunnel.

The invention discloses a van-type no-tillage improved high-yield cultivation method of cold mud field. According to the method, the van width of the gully field with serious gleying can be about 3.0m; the van width of the field with light gleying can be 4.0-5.0m or more; the van length can be determined according to the field shape; the width of the van ditch is 30cm and the depth is 20-30cm; the ditch penetrates through the whole rice field; the rice plantation rule adopts wide and narrow row spacing plantation, namely, the narrow row is 20-23cm and the wide row is 43.33-50.00cm; a drainage ditch is formed between two vans in order to drain water; the dug soil can be uniformly paved on the whole van along the length direction of the van in order to ensure that the van is 15-20cm higher than the water level; the fertilizer application method is as follows: based on the application of proper nitrogen-phosphorus-potassium fertilizer, 100kg of silicon-calcium fertilizer applied in per mu is used as a modifier in order to regulate pH value and redox potential of the soil in winter paddy field. With the adoption of the cultivation method, rice yield in one season can be improved by more than 5%.

The invention discloses an efficient environment-friendly conditioning fluid for titanium and titanium alloy anodized repair members, which can remove oxidation films and can activate the surface of a workpiece so as to lead anodes of repair members or film-free workpieces to be oxidized and coated with films. The conditioning fluid contains 20-30wt% of strong base, 2-20wt% of antisludging agents, 2-20wt% of dispersing agents and 0.05-1wt% of activating agents, and the balance being water. Temperature of workpeices in the conditioning fluid ranges from 50 DEG C to 80 DEG C, and the processingtime is 1-30min. Stability of bath solution is good, bearing capacity is large, maintenance is easy, and no environment pollution can be caused. Mechanical property of the processed titanium and titanium alloy cannot be reduced, and quality of oxidation films can be ensured.

The invention relates to an ice-water accumulation body tunnel surrounding rock reinforcing and excavating method under the influence of seasonal rainfall and a surrounding rock support. The reinforcing method comprises the following steps of S1, constructing a grout stopping wall; S2, arranging a radial grouting guide pipe on a primary support, and conducting grouting reinforcement; S3, conducting advanced drilling and curtain grouting reinforcement; S4, constructing pipe shed holes in the outer arch part of an excavated contour line; S6, arranging pipe shed steel pipes in a driving mode, andconducting pipe shed grouting; and S7, additionally arranging advanced small guide pipe grouting supports on the arch part and side walls. According to the excavating method, surrounding rock is reinforced by adopting above reinforcing method, temporary cross braces are erected in a tunnel, the grout stopping wall is broken, and excavation is carried out by adopting a small-section three-step method. The surrounding rock support comprises the grout stopping wall, a waterproof curtain, a grouting section which is a radial grouting guide pipe grouting supporting section, a pipe shed steel pipecurtain grouting supporting section, and an advanced small guide pipe grouting supporting section. In the curtain grouting process, grout can be prevented from flowing back to squeeze and crack a primary support behind a tunnel face.