46results about How to "Reduce loss along the way" patented technology

The invention discloses an integrated type energy-saving and environment-friendly hydraulic servo system, and belongs to the technical field of machinery assemblies. The integrated type energy-saving and environment-friendly hydraulic servo system comprises a computer, a data collecting part, a power output control part, a one-way valve set, a connecting block and an executing unit. The data collecting part comprises a force sensor, a pressure sensor and a temperature sensor. The power output control part comprises a hydraulic pump, a servo motor and an oil tank. The one-way valve set comprises a first one-way valve and a second one-way valve. An oil channel is placed inside the connecting block. A hydraulic cylinder is adopted in the executing unit, and is composed of a pressurizing cavity, a pressure releasing unit and a piston rod. The computer is connected with the force sensor, the pressure sensor and the temperature sensor. The servo motor is connected with the computer and the hydraulic pump, the hydraulic pump is installed inside the oil tank, and the servo motor is installed outside the oil tank. The oil tank is fixedly connected with a hydraulic cylinder body through the connecting block in a sealing mode, the hydraulic pump is communicated with the hydraulic cylinder through the connecting block, the oil inlet ends of the one-way valves are communicated with the oil tank, and the oil outlets of the one-way valves are communicated with the hydraulic pump.

The invention discloses a hydraulic system of an overflow-loss-free loader and a control method of the hydraulic system. On the basis of an original hydraulic system of the loader, parts like energy accumulators, reversing valves, sensors and a controller are additionally mounted, and part simplification is performed; through corresponding control strategies, matching between output flow of a fixed displacement pump and needed flow of a load (an external load and the energy accumulator) can be realized, overflow loss can be avoided completely, and throttling loss and friction loss can be reduced; potential energy recycled is used for being provided to a steering gear, a multi-pump hydraulic system of the loader is changed into a single-pump hydraulic system, and energy is stored through the energy accumulator, so that pressure buildup time of the hydraulic system and installed power of an engine are reduced, and efficiency of the whole loader is improved. The energy accumulator is utilized to absorb pressure impact, so that stability and reliability of the hydraulic system are improved while fatigue lives of elements are prolonged.

The invention discloses filtering equipment of a self-cleaning dust collector for spinning. The equipment comprises an ash collecting bottle, an annular filter screen is fixedly connected into the ashcollecting bottle; the geometric center line of the filter screen is aligned with the center line of the ash collecting bottle; an air chamber is arranged under the ash collecting bottle; the top ofthe ash collecting bottle is connected with a feeding pipe in a sealing manner; a sliding cavity sealed with the feeding pipe is formed in one section of the feeding pipe; a sliding block is connectedinto the sliding cavity in a sealed and sliding mode. A through hole of which the diameter is the same as that of the feeding pipe is formed in the center of the sliding block in a penetrating manner; the side wall of the sliding cavity is in sealed sliding connection with a first connecting pipe; and the tail end of the first connecting pipe is communicated with the air chamber. When meshes of the filter screen are blocked, backflushing is conducted through waste heat of a motor and changing of the gas flowing direction, so that the filter screen is automatically cleaned, on one hand, the situation that the working environment of a textile mill is affected due to reduction of the dust collection efficiency is avoided, and meanwhile electric energy waste and damage caused by idling of themotor are avoided.

The invention discloses a same-diameter impeller group, in particular the same-diameter impeller group working by using fluid power. The same-diameter impeller group working by using the fluid power is characterized in that: a flow channel of the same-diameter impeller group is a slowly-wavy flow channel; the slowly-wavy flow channel is correspondingly formed by a multi-scale line blade and a guide blade, and one end of the multi-scale line blade is in tangent fit with that of the guide blade; and rotary angles of a convective flow of a fluid through the guide blade and the multi-scale line blade are 45-degree circular arcs. By the same-diameter impeller group working by using the fluid power, the smooth slowly-wavy flow channel can be maintained, the speed of a fluid pressure is steady, extremely low on-way loss is caused, each group of impellers can simultaneously operate in a better operating state, and higher mechanical efficiency is obtained.

The invention discloses a sampling and focusing composite nozzle device. The sampling and focusing composite nozzle device comprises an upper end cover, an acceleration nozzle assembly, a closing nozzle assembly and a nozzle base, wherein the upper end cover is used for supplying aerosol fluid into the upper end cover, the acceleration nozzle assembly is attached to the upper end cover and is usedfor accelerating aerosol fluid, the closing nozzle assembly is connected to the acceleration nozzle assembly in a matched mode, and the nozzle base is connected to the closing nozzle assembly and isused for spraying the aerosol fluid; an inlet channel is formed in the upper end cover; a first cavity used for sampling is formed between the acceleration nozzle assembly and the closing nozzle assembly, and a sampling hole is formed in the side wall of the first cavity; and an outlet channel used for spraying the aerosol fluid is formed in the nozzle base, and an air inlet channel used for gathering aerosol fluid to the outlet channel is formed between the closing nozzle assembly and the nozzle base. The invention further discloses aerosol direct-writing printing equipment with the samplingand focusing composite nozzle device. According to the sampling and focusing composite nozzle device, the problem of blocking between a collision sampler and a nozzle is solved, and the working efficiency of the aerosol direct-writing printing equipment is improved.

The invention discloses a condenser flow path structure, a condenser flow path control method and an air conditioner, and relates to the field of air conditioners. The condenser flow path structure comprises a first flow path, a second flow path and a four-way valve assembly a, the four-way valve assembly a comprises a first valve pipe, a second valve pipe, a third valve pipe and a fourth valve pipe, and the first valve pipe is in communication with the third valve pipe; a first control valve is arranged on the first valve pipe, the second valve pipe is in communication with the fourth valve pipe, and a second control valve is arranged on the fourth valve pipe; the first valve pipe is in communication with the fourth valve pipe through a first connecting pipe, a third control valve is arranged on the first connecting pipe, the first valve pipe and the second valve pipe communicate with the first flow path, and the third valve pipe and the fourth valve pipe communicate with the second flow path. The number of branches of an internal pipeline of a condenser and flow of each branch are controlled through a control valve, so that the temperature value of each branch is balanced, and the heat exchange performance is improved.

The invention provides a double-self-suction type device for preparing purified water of hydrogen-rich water. The double-self-suction type device comprises a raw water tank, and further comprises a double-self-suction type stirrer, a U-shaped degassing mold and a purified water tank, wherein the raw water tank, a gas dissolved water tank, the U-shaped degassing mold and the purified water tank arecommunicated through a pipeline in sequence; a water pressure gauge and a water valve are arranged on a pipeline for communicating the raw water tank and the gas dissolved water tank; the gas dissolved water tank is internally provided with the double-self-suction type stirrer; a gas storage tank is further connected between the double-self-suction type stirrer and the U-shaped degassing mold inparallel. A degassing part of the double-self-suction type device for preparing the purified water of the hydrogen-rich water adopts a U-shaped degassing pipe; the U-shaped degassing pipe is connectedwith two hollow fiber membranes in series, and gas-liquid separation is carried by adopting a pumping and degassing manner; a degassing membrane with a hydrophobic property does not generate any impurity in a degassing process and a chemical reaction process does not exist; the safety and reliability of a product are ensured. Secondary degassing is formed in the U-shaped degassing pipe in a serial connection manner; meanwhile, an annular part of the U-shaped pipe reduces linear head loss of fluid energy very well and fluid can flow in the pipe at a relatively high flow speed. The flow speed of a water body can be increased and good degassing quality also can be ensued; the water treatment time is extremely shortened.

The invention discloses a hydraulic integral integrated valve block, and belongs to the technical field of hydraulic elements of pneumatic hydraulic hammer systems of engineering machinery. The hydraulic integral integrated valve block is characterized by comprising an oil supply flow passage, high-pressure energy accumulator connectors, oil supply control valve connectors, a hydraulic oil cylinder connector, an oil supplement valve connector, oil return control valve connectors, an oil return flow passage and low-pressure energy accumulator connectors. According to the hydraulic integral integrated valve block, all components of the hydraulic system of a pneumatic hydraulic hammer are integrated into a whole through an oil flow channel and an oil distribution cavity inside, so that the use of connecting pieces is reduced, then the hammer body system is compact in structure, the oil way structure is simplified, on-way loss and local loss of most oil are avoided, and efficient transmission and utilization of hydraulic energy are realized. According to the hydraulic integral integrated valve block, an oil supplementing device is arranged between the oil return flow passage and the oil distribution cavity, then the function of supplementing oil into a hydraulic oil cylinder in the inertia lifting stage of a pile hammer is realized, and thus the problem that the striking energy isreduced due to the fact that too large pressure pulsation is generated in the hydraulic cylinder is avoided. All parts of the hydraulic system are arranged in the hydraulic integral integrated valve block, then direct contact between the parts and the external construction environment is avoided, and thus the service lives of all the parts are indirectly prolonged.

The invention relates to supersaturated dissolved oxygen equipment and a supersaturated dissolved oxygen method. The equipment comprises: a water inlet pipe, wherein the first end of the water inlet pipe is provided with a water inlet, and the water inlet pipe is provided with a submersible pump and/or a self-priming pump so as to suck polluted water into the water inlet pipe; a reactor connectedto the second end of the water inlet pipe so as to form fluid communication with the water inlet pipe, wherein the reactor forms gas communication with an oxygen source through an oxygen conveying pipe, and a gas inlet valve is arranged on the oxygen conveying pipe; a water outlet pipe provided with a water outlet ball valve, wherein the first end of the water outlet pipe is connected to the reactor, and an inverted U-shaped pipe is arranged on the water outlet pipe; and a reflux pipe provided with a pipeline pump, wherein the first end of the reflux pipe is connected to the highest position of the inverted U-shaped pipe so as to form fluid communication with the inverted U-shaped pipe, and the second end of the reflux pipe is connected to the water inlet pipe so as to form fluid communication with the water inlet pipe, such that one part of the water in the water outlet pipe refluxes into the reactor through the water inlet pipe so as to pressurize the reactor. According to the invention, with the equipment and the method, the oxygenation efficiency can be improved so as to improve the dissolved oxygen level.