47results about How to "To achieve supercharging effect" patented technology

The invention discloses a high-flow long-life roll type reverse osmosis membrane element. The high-flow long-life roll type reverse osmosis membrane element comprises a central pipe, membrane bags and a water inlet grid. A water cavity is formed in the central pipe, and water passing holes are formed in the side wall of the central pipe and communicated with the water cavity. The membrane bags are wound on the central pipe, the water inlet grid is arranged between the membrane bags, and the interiors of the membrane bags are communicated with the water cavity through the water passing holes of the central pipe. The upper ends of the membrane bags and the upper end of the water inlet grid serve as raw water inlet ends, raw water is filtered through the membrane bags and then enters the water cavity of the central pipe, and the lower ends of the membrane bags and the lower end of the water inlet grid serve as concentrated water discharging ends. The thickness of the raw water inlet end and the concentrated water discharging end of the water inlet grid is larger than that of the middle of the water inlet grid, and thus a wide raw water inlet channel, a narrow middle water inlet channel and a wide concentrated water discharging channel are formed as the two ends of the water inlet grid are thick and the middle of the water inlet grid is thin. By means of the high-flow long-life roll type reverse osmosis membrane element, the pure water yield per unit time can be increased, the concentration polarization effect can be relieved, dirt is not likely to attach to the surfaces of reverse osmosis membranes, and thus the service life of the reverse osmosis membranes is prolonged.

The invention belongs to the technical field of compressors, and particularly relates to a swinging reversing two-stage pressurization zero-clearance type ionic liquid compressor. Ionic liquid compressors use ionic liquid instead of metal pistons to generate high pressure under isothermal condition, however, an existing ionic liquid compressor uses 5-stage compression, and is complex in structure,difficult to machine and high in cost, so that the construction and development of a hydrogen refueling station are limited. The swinging reversing two-stage pressurization zero-clearance type ionicliquid compressor comprises a hydraulic mechanism and a gas pressurization mechanism which are mutually connected; the gas pressurization mechanism comprises a hydraulic swinging assembly, the hydraulic swinging assembly is connected with a first-stage gas pressurization assembly, and the hydraulic swinging assembly is connected with a second-stage gas pressurization assembly; and the hydraulic swinging assembly is connected with the hydraulic mechanism through a reversing assembly. According to the compressor, the structure is simple, machining is convenient, the control precision is high, the energy consumption is low, the clearance volume is zero, the universality is strong, hydrogen is not polluted and the cost is low.

The invention discloses a water supply and drainage ditch wall cleaning machine for houses and residences. The structure comprises a driver, a motor, an spray sleeve ring, a walking wheel, amounting cylinder, a steering swing wheel, a vertical fixing bar, a water tank, a push handle, a cover, a pressurizer and a connecting water pipe; the left and right ends of the base are respectively provided with a spray sleeve ring and a mounting cylinder, the water tank is mounted above the mounting cylinder by clearance fit; the actuator is mounted at the rear end of the pressurizer by clearance fit, vertically connected to the water tank; the motor is nested in the middle above the spray sleeve ring; two spray sleeve rings are arranged in an interference fit mode and respectively installed at the front and rear ends of the left side of the base, the steering swing wheels are nested at the front and rear ends of the right side under the base, an interference fit is adopted; when the cleaning machine cleans the drain ditch, the spraying effect of the water pressure can be enhanced, the dirt can be cleaned directly by the water pressure spraying, no manual scrubbing is needed, the use is convenient, and the cleaning efficiency is high.

The invention relates to a brake relay valve regulator and method with high sensitivity. The present invention comprises a connected master cylinder and a slave cylinder. The master cylinder is provided with a through hole five connected with the balance chamber of the relay valve. 3. Through hole 6 forms an exhaust passage, the gas in the balance chamber at the start of the brake and its end can be discharged through through hole 5 and through hole 6, and the air pressure in the balance chamber decreases, which greatly improves the sensitivity of the automobile brake. In the present invention, the through hole 6 is provided in the main cylinder to discharge the air pressure in the balance chamber of the relay valve, and the air pressure in the balance chamber is reduced, which improves the sensitivity of the relay valve and realizes the pressurization effect at the same time.

The invention provides an automatic pressure regulating diaphragm pump. The automatic pressure regulating diaphragm pump comprises a shell, a pump core, a diaphragm connecting seat and a pump body, wherein the pump core comprises a stress swinging bracket, a concentric positioning shaft and a pressure regulating base, the concentric positioning shaft is fixed to the pressure regulating base and isused for guaranteeing the concentricity of the stress swinging bracket when pressure is automatically regulated and preventing a diaphragm from being damaged, and the stress swinging bracket sleevesthe concentric positioning shaft and is pressed by a pressure spring so as to form a certain included angle together with the pressure regulating base. According to the automatic pressure regulating diaphragm pump, a piston moves up and down by using the height difference of both ends generated when the stress swinging bracket which is put in an inclined mode rotates, so that a supercharging effect is achieved, and the maximum water yield under the effect of initial pressure is reached; the included angle of the stress swinging bracket is reduced by using the principle that the pressure of thepiston is increased so as to force the spring to retract when the water yield is low, so that the piston stroke is shortened, the torque output is increased in the condition that motor power is not changed, and a motor is prevented from being damaged while the water outlet pressure is increased.

The invention relates to the field of heat energy and power, in particular to a four-cylinder self-supercharged engine. The four-cylinder self-supercharged engine is a four-stroke internal combustion engine with four steam cylinders. The four-cylinder self-supercharged engine comprises the four steam cylinders, namely, the first steam cylinder, the second steam cylinder, the third steam cylinder and the fourth steam cylinder, a flow stabilizer, a first communicating channel, a second communicating channel and a third air door. The four-cylinder self-supercharged engine is characterized in that the second steam cylinder and the fourth steam cylinder are connected with the first communicating channel; the first communicating channel is connected with the second communicating channel through the third air door in a manner of being capable of being disconnected; the second communicating channel is connected with the first steam cylinder and the third steam cylinder; and after being shut down, the second steam cylinder and the fourth steam cylinder can be switched into superchargers, and supercharging air is provided for the first steam cylinder and the third steam cylinder. The four-cylinder self-supercharged engine has the beneficial effects that the existing cylinder deactivation technology is improved, two steam cylinders are switched into the superchargers after being shut down to supercharge the other two steam cylinders, and the supercharging effect is achieved; and the two superchargers are utilized for jointly supercharging the two corresponding steam cylinders, and a certain supercharging effect is achieved.

The invention discloses a method for detecting the reaction performance of furnace slag and belongs to the field of metallurgy. The method adopts a system for detecting the reaction performance of thefurnace slag and is carried out according to the following steps: S1, preparing a slag system; S2, carrying out temperature-rising treatment on the slag system: weighing quantitative furnace slag andputting the furnace slag into a temperature-rising furnace; heating and melting; S3, grinding to prepare calcium oxide powder; S4, pressing calcium oxide sheets: pressing the calcium oxide powder into the calcium oxide sheets; and S5, adding the calcium oxide sheets and the furnace slag into a detection system and starting to detect. According to the method disclosed by the invention, the disadvantages in the prior art that subjective factor influences on the detection of the reaction performance of calcium oxide and the furnace slag are great and a detection result is not accurate are overcome; the furnace slag is injected into a calcium oxide groove to detect the time needed by dissolving the calcium oxide with a certain thickness through the furnace slag; and changes of a physical signal are used for judging whether reaction reaches a pre-set position, and the accuracy and detection efficiency of detecting the reaction capability of the calcium oxide dissolved in the furnace slag can be improved.

The invention discloses an intelligent night safety warning illuminator which comprises a current sensing module, the electrical output end of the current sensing module is connected with a control chip, and the electrical output end of the control chip is connected with an electricity taking switch; the booster circuit is connected to the electrical output end of the power taking module, the electrical output end of the booster circuit is connected with a voltage stabilizing module, and the electrical output end of the voltage stabilizing module is connected with a booster module; the electrical output end of the light-emitting module is connected with an LED light-emitting lamp strip. Compared with an existing device, the intelligent night safety warning illuminator has the advantages that voltage required by the circuit can be provided through the power taking module, the obtained voltage can be boosted through the booster circuit, and the voltage of the circuit can be stabilized through the voltage stabilizing module when the voltage is boosted to a specified height, so that the stability of the voltage in the circuit can be ensured; and the boosting module can boost the circuit again after the voltage is stable, so that a progressive boosting effect is achieved.

The invention relates to the technical field of self-priming pumps, in particular to a magnet-free idling-resistant integrated modular temperature-resistant and corrosion-resistant high-lift self-priming pump. The magnet-free idling-resistant integrated modular temperature-resistant and corrosion-resistant high-lift self-priming pump comprises a motor and a pump head driven by the motor to pump liquid. The motor comprises a motor shell made of plastic, corrosion-resistant bearing seats, a corrosion-resistant motor shaft, a rotor assembly and a stator. The two ends of the corrosion-resistant motor shaft are connected into the corrosion-resistant bearing seats in a shaft mode through corrosion-resistant bearings. The rotor assembly is formed by coating the surface of a rotor with a rotor plastic shell, and is connected to the outer wall of the corrosion-resistant motor shaft in a sleeving mode. The stator is fixed to the inner wall of the motor shell and is arranged outside the rotor assembly in a gap and sleeving mode, and the gap is 300-600 micrometers. Compared with the prior art, the magnet-free idling-resistant integrated modular temperature-resistant and corrosion-resistant high-lift self-priming pump requires no magnet, the magnetic density gap can reach 300-600 micrometers, and the problem of narrow magnetic density gap of an asynchronous motor is solved; the plastic is used for realizing the isolation of the pump head for circulating liquid from the motor, and the corrosion-resistant effect is achieved; and the structure is simple, transmission is simple, abrasion resistance and corrosion resistance are achieved, self priming is realized, and the shortcomings that a pump with a magnet is complicated, prone to being damaged, prone to leaking, and not resistant toidling are overcome.

The invention relates to a gas collecting device of a whole skid booster station. The gas collecting device of the whole skid booster station comprises a gas inlet separator, a booster device, an oil-gas separator, a gas-water separator and a metering valve bank, wherein the gas inlet separator, the booster device, the oil-gas separator, the gas-water separator and the metering valve bank are integrally arranged on a workstation in a pipeline connection mode; the gas inlet end of the gas inlet separator communicates with the gas inlet of the gas collecting device; the gas outlet end of the gasinlet separator communicates with the oil-gas separator through the booster device; the oil-gas separator communicates with the gas-water separator; the gas-water separator communicates with the metering valve bank; and the metering valve bank communicates with the gas outlet of the gas collecting device. The gas collecting device of the whole skid booster station has the beneficial effects thatthrough the integrated skid block design of station-entering separation, gas boosting and output metering, the gas collecting device in the integrated skid block design can replace a booster station so as to achieve a boosting effect. The gas collecting device of the whole skid booster station has the advantages of small occupied area, low investment cost and convenience and flexibility in installation.

The invention relates to a micro-positive pressure air-tight seal type bag turning type automatic centrifugal machine capable of achieving uniform feeding. The centrifugal machine comprises a feeding pipe, a fixed guiding mechanism used for bearing the feeding pipe and guiding the feeding pipe, a driving mechanism used for driving the feeding pipe to move back and forth in the limiting direction of the fixed guiding mechanism, and a hose connected with a feeding inlet of the feeding pipe. The fixed guiding mechanism is fixed to the centrifugal machine. The feeding pipe penetrates through the fixed guiding mechanism to enter the centrifugal machine, and a discharging outlet of the feeding pipe is inserted into a centrifugal cavity of the centrifugal machine. According to the centrifugal machine, uniform material distribution can be achieved in the length direction of a rotor, a uniform filter cake layer can be better formed, and the uniform washing effect can also be achieved. The centrifugal machine further pressurizes the interior of the centrifugal machine and the gap between the contact surfaces of the driving shaft part and the centrifugal machine shell through a first pressurizing part and a second pressurizing part so that the oxygen content in the centrifugal machine can be reduced, the sealing performance of the centrifugal machine is enhanced, and the running safety of the centrifugal machine is effectively improved.

The invention relates to the field of heat energy and power, in particular to a four-cylinder self-pressurization engine. The four-cylinder self-pressurization engine is a four-stroke internal combustion engine with four cylinders and comprises the four cylinders, namely, the first cylinder, the second cylinder, the third cylinder and the fourth cylinder, a first communicating channel, a second communicating channel and a third air door. The four-cylinder self-pressurization engine is characterized in that the second cylinder and the fourth cylinder are connected with the first communicating channel; the first communicating channel is connected with the second communicating channel through the third air door in a disconnectable mode; the second communicating channel is connected with the first cylinder and the third cylinder; and the second cylinder and the fourth cylinder can be transformed into superchargers after being shut down so as to provide supercharged air for the first cylinder and the third cylinder. The four-cylinder self-pressurization engine has the beneficial effects that firstly, an existing cylinder deactivation technology is improved, and the surcharging effect is achieved by transforming two of the cylinders into the superchargers after the two cylinders are shut down for supercharging the other two cylinders; and secondly, the two superchargers are used for surcharging the other two cylinders together, and a certain supercharging effect can be achieved.

The invention discloses a built-in magnetostrictive displacement pressurizer. The built-in magnetostrictive displacement pressurizer comprises a body structure, wherein the body structure consists ofa body and a front cylinder, the body is provided with a first sliding cavity, a second sliding cavity in the front cylinder communicates with the first sliding cavity, a plug is arranged at the rearend of the front cylinder, an oil outlet communicating with the second sliding cavity is formed in the plug, and a pressure gauge or an oil cylinder is connected through an oil outlet; a piston rod comprises a piston part and a rod body, wherein the piston part is arranged in the first sliding cavity, and the rod body stretches into the second sliding cavity; the built-in magnetostrictive displacement sensor comprises a magnetic ring and a measuring rod, wherein the magnetic ring is arranged at the front end of the piston part, the measuring rod penetrates through the magnetic ring and extendsinto a sliding groove arranged in the piston rod, the front end of the measuring rod is hermetically fixed with the body, and an interval is formed between the measuring rod and the inner wall of themagnetic ring and the inner wall of the sliding groove; and the front end and the rear end of the body are respectively provided with a first oil port and a second oil port, the first oil port and the second oil port communicate with the first sliding cavity, a third oil port is further formed in the rear end of the body, and the front end of the front cylinder is provided with a fourth oil portwhich corresponds to the third oil port and communicates with the second sliding cavity.