50results about How to "Small water pressure loss" patented technology

The invention relates to coalmine gas extraction and permeability enhancement equipment and technology, and discloses a coal seam reaming system using three-dimensional (3D) swirling water jet. The system is connected to a high-pressure rotary joint through a high-pressure hose provided with a stop valve by virtue of a high-pressure hydraulic pump station and is characterized by being connected to a high-pressure water jet drill stem through a drilling machine, wherein the front end of the high-pressure water jet drill stem is connected with a high-pressure water jet head with nozzle bases; and high-pressure swirling water jet nozzles are arranged on the nozzle bases. The invention further discloses a coal seam reaming and fracturing method for permeability enhancement using the 3D swirling water jet. In the coal seam reaming method using the 3D swirling water jet, coal is sheared so as to lower the hydraulic pressure loss, improve the cutting efficiency and increase the cracks and bore diameter of the coal; high-pressure water is injected so as to fracture the coal between a hydraulic reamed hole and control bored holes; and a coal seam is fully depressurized within a large range so as to shorten the pre-extraction time of the coal seam.

The invention discloses a water-spraying cooling and noise reducing system applicable to launching of various rockets. The water-spraying cooling and noise reducing system comprises a water spraying array which is arranged on a platform body and a water spraying array which is arranged at the periphery of the platform body; the water spraying array on the platform body is arranged on the upper surface of a supporting frame of the body of a transmitting platform and communicates with an internal flow channel inside the platform body; the size of a water outlet of the water spraying array on theplatform body is adjustable; the water spraying array at the periphery of the platform body is arranged at the periphery of the body of the transmitting platform, can be used for spraying water fromthe outer side to the outlet of a flow guide groove and cal also be used for spraying water to the center region of the body of the transmitting platform; and the diameter of a nozzle of the water spraying array at the periphery of the platform body is adjustable. The water-spraying cooling and noise reducing system disclosed by the invention can be used for implementing cooling and noise reduction of various different rockets and transmitting platforms by adjusting the flow of output water, shortens the design, production and installation periods and greatly lowers the cost.

The invention discloses a needle combined device for a weft insertion mechanism of a water-jet loom, comprising at least four needle seats (2) arranged on a support (1), wherein each needle seat (2) is provided with a mounting hole (3) which is internally provided with a needle body (4); each needle body is internally provided with needles; beginning with a fell (5), the center of the minimal designed allowable space of the first needle (41) is on a bisector (52) of a minimal allowable opening (51) formed by two layers of warps when the water-jet loom carries out weft insertion, and the distance between the center of the minimal designed allowable space of the first needle (41) and a cloth fell is the minimal allowable distance (53). The needle combined device is characterized in that the centers of the minimal designed allowable spaces of the other needles are on a sector (7) formed by two parallel lines, which are extracted out of the center of the minimal designed allowable space of the first needle (41) and are parallel to the minimal allowable opening (51), and the maximum allowable distance between the center of the minimal designed allowable space of the needle and the cloth fell; the minimal designed allowable spaces of all the needles are closed to each other successively; and the centers of the minimal designed allowable spaces of all the needles are not in the same line. The water-jet loom of the invention can produce various texture patterns which further exceed the existing texture patterns, and does not influence beating-up stroke.

The invention relates to a water flow accelerating pipe, which consists of a plurality of pipes with different diameters in a combining way. The pipes are combined and arranged from small to large in the flow direction of water. Small pipes stretches into large pipes and are connected with the large pipes in a welding way through sealing plates. When water in the small pipes enter the large pipes, the situation that impacts are caused to inlet water of the large pipes is avoided, the high-pressure water in the small pipes provides forward pushing force to accelerate water flow speed, the losses of water pressure in the pipes are reduced and the energy saving goal is achieved.

The invention discloses an injection type double side free flap valve, which comprises a door leaf (1), a door seat (2) and a hinging assembly (3); the door leaf (1) is connected with the door seat (2) through the hinging assembly (3); a vertical beam is disposed on the center of the door seat (2); the door leaf (1) has two sides and is formed into a circular arc with the convex surface towards inside and the concave surface towards outside. The flap valve needs lower hydraulic pressure to start; when the flap valve is opened by the hydraulic pressure, the water injects out on both sides of the valve, and the water passes the valve in a streamline state; consequently, the invention avoids water eddy current loss, reduces water outlet pressure loss, reduces motor power consumption, increases operating efficiency and reduces cost.

The invention discloses a multi-jet-needle combination device for weft insertion mechanisms of water-jet looms. The multi-jet-needle combination device comprises a plurality of needle holders (2) mounted on a support (1). Each needle holder (2) is provided with a mounting hole (21). A jet needle member (22) is mounted in each mounting hole (21). A jet needle (26) is mounted in each jet needle member. The multi-jet-needle combination device is characterized in that when a fell (3) jets water and a loom inserts wefts, a bisection of a smallest allowed opening (6) formed between an upper and lower warp layers is provided with a first position (61); the distance from the first position (61) to the fell is a smallest allowed distance (62); the center of smallest designed allowed space (5) of each jet needle is provided two parallel lines (64) parallel with the smallest allowed opening (6) and inserted from the first position (61), the parallel lines and a largest allowed position (66) of a reed from the fell (3) during beating up form a triangular region (4). The air-jet looms with the multi-jet-needle combination device can be used to produce diversified textiles which are far more than existing textiles, and beating-up movement is unaffected.

The invention provides a multi-runner water-cooling and air-cooling mixed device structure for a computer CPU (central processing unit). The device structure enables temperature of a heating component to be lower than the environmental temperature, can be applied to various environmental occasions and is wide in application range, quiet and free of noise. The device structure comprises an upper cover plate and a microdissection cooling plate, and a water outlet and a water inlet are arranged on an upper end face of the upper cover plate which is covered on the microdissection cooling plate. The device structure is characterized in that an injection shunt plate is arranged in a cavity formed by the upper cover plate and the microdissection cooling plate and provided with at least four parallel runner notches, the water inlet is communicated to the runner notches along an upper surface of the injection shunt plate, and a heat radiating area of the microdissection cooling plate is arranged below the runner notches.

The spiral bellows type heat exchanger consists of mainly an outer jacket and a spiral bellows arranged inside the outer jacket. The bellows has clear water inlet and outlet on its two ends, and the outer jacket has waste water inlet and outlet on its two ends. The spiral bellows type heat exchanger has high heat efficiency, simple structure, and easy installation and maintenance.

The invention provides a multi-channel water-cooling structure of a CPU (central processing unit) of a computer. The multi-channel water-cooling structure of the CPU of the computer can reduce the temperature of a heating device to lower than the ambient temperature, is suitable for various environments and occasions with a large scope of application and can be used quietly without any noise. The multi-channel water-cooling structure of the CPU of the computer comprises an upper cover plate and a micro-cutting cooling plate, wherein a water outlet and a water inlet are arranged on the upper end face of the upper cover plate, the upper cover plate covers on the micro-cutting cooling plate, the multi-channel water-cooling structure of the CPU of the computer is characterized in that an injection spreader plate is arranged inside a cavity formed by the upper cover plate and the micro-cutting cooling plate, at least four parallel channel slots are arranged on the injection spreader plate, the water inlet is communicated with the parallel channel slots along the upper surface of the injection spreader plate, and heat dissipation bumps of the micro-cutting cooling plate are arranged below the channel slots.

The invention discloses a nozzle used for a printed circuit board cleaning machine. The nozzle comprises a high-pressure water duct, wherein the high-pressure water duct is fixedly connected with a spraying arm, two sides of the spraying arm are provided with a plurality of screw holes, nozzles are screwed into the screw holes; two sides of the outer end part of the nozzle are provided with assembling platforms, a V-shaped slot is formed in the surface of one or multiple or even all assembling platforms, and a water outlet hole is formed in the middle of the bottom of the V-shaped slot. According to the invention, nozzles are arranged at the left side and the right side of a same plane of the spraying arm, so as to achieve water spraying in upward direction and downward direction, and circuits arranged at the upper and lower sides can be cleaned. The nozzles and the spraying arm are combined and connected in a screwed manner, and therefore, the nozzles disclosed by the invention has the characteristics of being simple in structure, easy to install and convenient to change.

The invention belongs to the technical field of automobiles, and particularly relates to equipment for cleaning an automobile headlamp. The equipment for cleaning the automobile headlamp comprises anouter cylinder, a protective cover, a sliding pipe, a square cylinder, a fan-shaped block, a blocking block, a three-way pipe, a universal joint and the like; when the equipment does not work, a distance is reserved between a bent pipe and the protective cover, and when a front bumper is impacted to a low degree, the bent pipe and the protective cover cannot be impacted, so that the equipment is protected; when the front bumper is impacted to a higher degree, the fan-shaped block in the universal joint is damaged, so that the universal joint swings at any angle relative to the outer cylinder,the front bumper is impacted in different directions, and the purpose of protecting other automobile equipment near the equipment and core parts in the equipment is achieved. Besides, the sliding pipeis provided with a horn mouth, so that the water pressure loss of high-pressure water in the flowing process is reduced, the water pressure sprayed by the equipment is higher, and the cleaning effecton the headlamp is better. The equipment has a good practical effect.

The invention belongs to the technical field of automobiles, and in particular relates to a cleaning device for automobile headlights. The cooperation of the plate realizes that the protective cover can be opened when cleaning the headlights. When the headlights are not cleaned, the protective cover cannot be opened under human external force, so as to prevent others from opening the protective cover and damaging the device or other vehicles inside the car. Equipment; when the device is not cleaned, there is a distance between the elbow and the protective cover, which can prevent the bumper from being damaged by a relatively low impact on the elbow; when the bumper is subjected to a relatively high impact, the splint is destroyed. The outer cylinder can swing in the horizontal direction, thereby reducing the damage of the bumper to the protection device caused by frontal or side impact; The higher the pressure, the better the cleaning effect on the headlights.

The invention discloses a system for evaporating corn soaking water in production of corn starch. The system comprises a four-effect evaporator, wherein a fourth effect body of the four-effect evaporator is connected with a high-level condensation tank through a steam guide pipeline; a water tank is arranged below the high-level condensation tank, and communicated with a water pump; a tube heat exchanger is tightly communicated between the high-level condensation tank and the water pump, and comprises a water inlet, a water outlet, a refrigerant inlet and a refrigerant outlet; the water inlet is communicated with the water outlet; the refrigerant inlet is communicated with the refrigerant outlet; the water inlet is communicated with the water pump; the water outlet is communicated with the high-level condensation tank; the refrigerant inlet is tightly communicated with an intake pipe; an intake valve is arranged on the intake pipe; the refrigerant outlet is tightly communicated with a discharge pipe; a discharge valve is arranged on the discharge pipe; a middle pipe is tightly communicated between the intake pipe and the discharge pipe; and a middle valve is arranged on the middle pipe. An air cooling tower is replaced by the tube heat exchanger, and the specification and model of the tube heat exchanger can be selected according to the evaporation capacity, the refrigerant flow rate and the temperature difference.

The invention provides a multi-flow passage water-cooling and wind-cooling hybrid device for computer CPUs, which can decrease the temperature of a heating device to be lower than the environmental temperature, can be applied to various environmental places, has a wide application range and is noiseless. The multi-flow passage water-cooling and wind-cooling hybrid device comprises a top cover plate and a microcut cooling plate, the top end surface of the top cover plate is provided with a water outlet and a water inlet, and the microcut cooling plate is covered by the top cover plate. The multi-flow passage water-cooling and wind-cooling hybrid device is characterized in that: a jet-splitting plate is arranged in the cavity defined by the top cover plate and the microcut cooling plate, the jet-splitting plate is provided with at least four parallel flow passage slots, the water inlet communicates with the flow passage slots along the top surface of the jet-splitting plate, and the heat-dispersing area of the microcut cooling plate is under the flow passage slots.

The invention provides a three-runner water-cooling and air-cooling hybrid device structure for a computer CPU (central processing unit). The three-runner water-cooling and air-cooling hybrid device structure can cool heated devices to be lower than the ambient temperature so as to be applicable to various environments, wide in application range, quiet and free of noise. The three-runner water-cooling and air-cooling hybrid device structure comprises an upper cover plate and a micro-cut cooling plate, the upper end face of the upper cover plate is provided with a water outlet and a water inlet, and the upper cover plate covers the micro-cut cooling plate. The three-runner water-cooling and air-cooling hybrid device structure is characterized in that a jet flow distribution plate is arranged in a hollow cavity formed by the upper cover plate and the micro-cut cooling plate and provided with three parallel runner notches, the middle runner notch is positioned under the water inlet, the runner notches on two sides are positioned on two sides of the middle runner notches, and the diameter of the water inlet is larger than the width of the middle runner notch.

The invention provides a two-channel water-cooling structure of a CPU (central processing unit) of a computer. The two-channel water-cooling structure of the CPU of the computer can reduce the temperature of a heating device to lower than the ambient temperature, is suitable for various environments and occasions with a large scope of application and can be used quietly without any noise. The two-channel water-cooling structure of the CPU of the computer comprises an upper cover plate and a micro-cutting cooling plate, wherein a water outlet and a water inlet are arranged on the upper end face of the upper cover plate, the upper cover plate covers on the micro-cutting cooling plate, the two-channel water-cooling structure of the CPU of the computer is characterized in that an injection spreader plate is arranged inside a cavity formed by the upper cover plate and the micro-cutting cooling plate, two parallel channel slots are arranged on the injection spreader plate, the water inlet is communicated with the two parallel channel slots along the upper surface of the injection spreader plate, and heat dissipation bumps of the micro-cutting cooling plate are arranged below the channel slots.

The invention discloses a window section material sizing platform. The window section material sizing platform comprises a rack, a supporting platform, a sizing vacuum section, a sizing mold section, a vortex pump for pumping vortex of the sizing mold section, and a plurality of vacuum pumps for vacuumizing the sizing vacuum section, wherein the supporting platform is arranged in the middle of the rack; the sizing vacuum section and the sizing mold section are mounted on the supporting platform; one side of the rack is provided with a vacuumizing device which is connected with the sizing vacuum section by a pipeline; the vacuum pumps and the vortex pump are connected with a water collection device for recycling water and reducing noises; the water collection device is connected with the rack by a heat exchange device and water is led into the rack; and the water is supplied to the sizing vacuum section and the sizing mold section through the rack to form the circulating utilization of the water. The window section material sizing platform can be used for rapidly cooling and molding a section material and water resources are circularly utilized; and the whole structure layout is reasonable, and energy conservation and environmental friendliness are realized.

A closestool comprises a toilet, wherein the toilet is provided with a water tank connecting part, a pool, a jet channel and a siphonage pipeline; a drain outlet is arranged at the bottom of the pool; the inlet end of the siphonage pipeline is communicated with the drain outlet; the outlet end of the siphonage pipeline is communicated with the outside; a water inlet hole is formed at the inlet end of the jet channel; a jet hole is formed at the outlet end of the jet channel; the jet hole is less than the sectional area of the jet channel; the water inlet hole is positioned on the left or right of the water tank connecting part; the jet hole is communicated with the drain outlet; and the jet channel is smooth arc transition from the water inlet hole to the jet hole. According to improvement on the structure and the position of the jet channel, water pressure loss is low and large water flow jet pressure is achieved, so the diameter of the siphonage pipeline is larger than that of the common toilet, the siphonage pipeline has strong dirt passing capacity and is difficult to block, the time and the water quantity required for forming siphonage are less than those of the common toilet, and the toilet saves more water compared with the common toilet.

The invention provides a multi-channel water-cooling device structure of a computer CPU (Central Processing Unit), which is capable of reducing the temperature of a heating device to be lower than an ambient temperature, can be suitable for various environment occasions, and is wide in application range, and quiet and noiseless. The multi-channel water-cooling device structure comprises an upper-part cover plate and a micro-cutting cooling plate, wherein a water outlet and a water inlet are arranged on the upper end surface of the upper-part cover plate; and the upper-part cover plate is installed on the micro-cutting cooling plate. The multi-channel water-cooling device structure is characterized in that an injecting splitter plate is arranged in a cavity formed by the upper-part cover plate and the micro-cutting cooling plate; at least four parallel channel notches are formed in the injecting splitter plate; the water inlet is communicated to the parallel channel notches along the upper surface of the injecting splitter plate; a heat dissipation region of the micro-cutting cooling plate is arranged below the channel notches; and heat dissipation columns in a rectangular array are distributed in the heat dissipation region of the micro-cutting cooling plate.

The invention provides a water purifying filter. A water purifying material layer is arranged in a barrel, the upper end surface of the water purifying material layer is connected with a water purifying material density adjusting device, the lower end surface of the water purifying material layer is connected with a support base, the support base is connected with the inner wall of the barrel, a water purifying material takes activated carbon with high specific surface area and a macromolecular water purifying material as main components and has high adsorption capacity for pollutants, multiple pollutants can be removed simultaneously and efficiently, a structure formed by connecting multiple filter element materials in series can be replaced, the structure of water purifying equipment canbe simplified, and promotion of the water purifying equipment is facilitated.

The invention provides a double-flow passage water-cooling and wind-cooling hybrid device structure for computer CPUs, which can decrease the temperature of a heating device to be lower than the environmental temperature, can be applied to various environmental places, has a wide application range and is noiseless. The double-flow passage water-cooling and wind-cooling hybrid device structure comprises a top cover plate and a microcut cooling plate, the top end surface of the top cover plate is provided with a water outlet and a water inlet, and the microcut cooling plate is covered by the top cover plate. The double-flow passage water-cooling and wind-cooling hybrid device structure is characterized in that: a jet-splitting plate is arranged in the cavity defined by the top cover plate and the microcut cooling plate, the jet-splitting plate is provided with two parallel flow passage slots, the water inlet communicates with the two parallel flow passage slots along the top surface of the jet-splitting plate, and the heat-dispersing area of the microcut cooling plate is under the flow passage slots.