137results about How to "Guaranteed flow" patented technology

The invention relates to a high-pressure jet grouting pile hole leading construction integrated device and a construction method thereof. The high-pressure jet grouting pile hole leading constructionintegrated device comprises a jet grouting drilling machine, a high-pressure jet grouting drill rod and a triple pipe, wherein the triple pipe is fixedly arranged at the bottom of the high-pressure jet grouting drill rod, and a down-the-hole hammer is fixedly arranged at the bottom of the triple pipe; and the triple pipe comprises a grout outlet ejector, an inner air outlet ejector and an outer air outlet ejector which are sequentially arranged from inside to outside. The high-pressure jet grouting pile hole leading construction integrated device is simple in structure, convenient to use and practical, the construction technology of combining the triple pipe and the down-the-hole hammer is adopted for the environment of a complex geological layer, and by optimizing construction technical parameters, an obtained pile body is high in strength and good in construction quality. Compared with a traditional high-pressure jet grouting pile construction method, the input mechanical materials are few, the cost is low, construction is safe, and construction is rapid.

The invention belongs to the technical field of coal-bed gas exploitation and provides a multi-joint intensive grouting well-reinforcing method for reinforcing a coal-bed gas well penetrating through a goaf. According to the method, the problems that during passing-through of the goaf, the third spud-in well-drilling construction process is complex, and the stability of a third spud-in well body structure is poor are solved. The third spud-in drilling construction process is adopted; a well body of the coal-bed gas well is composed of a first spud-in drilled hole, a surface casing, a second spud-in drilled hole, an intermediate casing and a third spud-in drilled hole; when third spud-in drilling is constructed, multi-joint grouting reinforcing is conducted on well wall surrounding rock outside the intermediate casing, so that the strength of the well wall surrounding rock is improved, long-term stability of the coal-bed gas well is guaranteed, and the stabilized intermediate casing is directly used as the production casing of the coal-bed gas well. A multi-joint cement paste wrapped body supporting structure is formed between the intermediate casing and the well wall surrounding rock, the long-term stability of the well wall surrounding rock of the coal-bed gas well and the well body structure can be strengthened greatly.

The invention discloses a solar heat accumulation type passive solar house. A solar water heater communicates with a roof warming assembly. A passive ventilation heat exchange wall is arranged on the inner side of a glass seal plate. An upper ventilation assembly is arranged on the upper portion of the passive ventilation heat exchange wall. A lower ventilation assembly is arranged on the upper portion of the passive ventilation heat exchange wall. By means of the upper ventilation assembly, gas flow is made to flow to the indoor portion from a cavity; and by means of the lower ventilation assembly, the gas flow is made to flow to the cavity from the indoor portion. By arranging the passive ventilation heat exchange wall, by means of an outer honeycomb structure heat conduction layer, an inner honeycomb structure heat conduction layer and a honeycomb porous structure, the absorption rate and storage amount of solar energy are increased, and heat in a phase change heat storage box can be slowly released to the indoor portion; the loss of energy consumed by the underground portion is reduced through a water isolation layer according to the property that the specific heat capacity of water is large; and by means of the upper ventilation assembly and the lower ventilation assembly, the flow direction of the gas flow can be ensured, circulation of the indoor gas flow is achieved, and the effect that hot gas inflows from the upper portion and cold gas outflows from the lower portion is ensured.

The invention discloses a micro loudspeaker which comprises a vibrating diaphragm and a housing, wherein the vibrating diaphragm comprises a ball top and a folding ring part, and is supported and fixed through the housing; a combined part is arranged at the part, connected with the housing, of the edge of the vibrating diaphragm; the combined part of the vibrating diaphragm is adhered and fixed to the housing through an adhesive layer; the combined part of the vibrating diaphragm is combined with a bonding surface of the upper surface of the housing; an excessive glue groove used for accommodating excessive glue is formed in the edge of the outer side of the bonding surface and is covered with the edge of the outer side of the combined part of the vibrating diaphragm. The micro loudspeaker disclosed by the invention has the advantages that the excessive glue groove is formed in the bonding surface of the vibrating diaphragm and the housing, so that excessive glue generated during the process of vibrating diaphragm fixing can be fully adsorbed, the situation that the periphery of the vibrating diaphragm cannot be fixed and a magnetic circuit system is damaged due to uneven gluing is avoided, and meanwhile, the normal flow direction of glue can be ensured and the glue is prevented from moving upwards, therefore, the fixing of the vibrating diaphragm is completed better and the performance of the loudspeaker is ensured.

The invention discloses a waste gas bypass valve of a turbocharger. The waste gas bypass valve is provided with a bypass flow channel and a valve element, a gas inlet and a gas outlet of a turbine are communicated through the bypass flow channel, and the valve element is used for opening or closing the opening part of the bypass flow channel. The valve element comprises a valve rod part and a valve plate part connected to the valve rod part, the valve rod part can axially move so that the valve plate part can be driven to horizontally move along the end face of the opening part of the bypass flow channel, and the end face of the opening part is opened or closed through the valve plate part. The waste gas bypass valve can improve control precision of an engine under various load work conditions, and enhance sealing performance of the waste gas bypass valve of the engine under a high load.

The invention discloses a differential service processing method and device, and relates to the field of communication. The method comprises the following steps: judging whether a current service of auser terminal is a configured service that requires differential processing by a base station; if yes, then processing the service preferentially by the base station; and if not, then processing theservice normally by the base station. The embodiment of the invention can effectively guarantee the service traffic that needs to be guaranteed and improve user experience.

The invention relates to a device and method for processing an inclined surface through follow-up sealing liquid cutting-in type electrolytic milling machining, and belongs to the field of electrolytic processing technology. The device mainly comprises a tool cathode, an upper supporting plate, guide rods, a spring, a linear bearing, a universal ball and a water blocking block. The upper supporting plate is fixed on the front of the tool cathode; the two guide rods are fastened on the upper supporting plate through threads; the guide rods are sequentially sleeved with the spring and the waterblocking block, the water blocking block can slide up and down along the axis direction of the guide rod through the linear bearing, the universal ball is arranged below the water blocking block and is contact with a work piece in real time, and the universal ball is pressed on a surface of the work piece under the action of the spring compression elasticity. When the tool cathode processes the inclined surface by using a cutting-in type electrolytic machining method, the follow-up sealing liquid device can float up and down according to the up-and-down movement of the tool cathode, so as to change the cross-sectional area, out of water, of the tool cathode, the spraying of the electrolyte liquid from a liquid outlet to a processing area is limited in real time, and the processing precision, the stability and the efficiency are improved.

The invention discloses construction gravel screening equipment with a quantitative discharging function. The construction gravel screening equipment with the quantitative discharging function comprises a tank, a feeding hopper, a discharging barrel, an oblique screening barrel and a guide barrel; the lower end of the feeding hopper communicates with the discharging barrel extending into the tank;the discharging barrel is a rectangular barrel; a horizontal pulling roller is arranged in the discharging barrel; a plurality of storage grooves are formed in the side wall of the pulling roller; arotating plate is coaxially arranged at the lower end of the interior of the oblique screening barrel; a first pulling plate is fixed to the edge of the left side of the rotating plate, and a plurality of oblique scattering rods are fixed to the left side face of the rotating plate; and the rotating plate is provided with a discharging outlet penetrating from the left to right. Through the pullingroller in the discharging barrel and the storage grooves, gravel falls off in the storage grooves in a following mode, the gravel falling amount is constant, the equipment runs more stably, and screening is more thorough; and the pulling plate on the rotating plate can carry the gravel to the upper position so that the gravel can be raised continuously, and fine gravel is separated out conveniently.

The invention discloses a dust collector suitable for high-temperature dusty tail gas recovery. The dust collector comprises an outer cylinder, a first hollow inner cylinder, a second hollow inner cylinder, an air inlet pipe, a spiral stirring device, a spiral disc, an outer-layer heat exchange pipe, an inner-layer heat exchange pipe and a spraying device, wherein the first hollow inner cylinder is arranged inside the outer cylinder, and is sequentially provided with a first part, a second part and a third part from top to bottom, a first interlayer is formed by the first part and the outer cylinder, and the first part is communicated with the outside; the second part is conical; the third part is shaped like an inverted cone, the lower end of the third part props against the inner wall of the outer cylinder so as to form a second interlayer together with the second part and the outer cylinder, and the third part is provided with a plurality of arc-shaped air discharging holes; the second hollow inner cylinder is arranged inside the first hollow inner cylinder; one end of the air inlet pipe tangentially penetrates through the first part, and the other end of the air inlet pipe is communicated with the outside; the spiral stirring device comprises a rotary shaft; the spiral disc spirally extends along the other end of the rotating shaft; the outer-layer heat exchange pipe winds to the upper part of the first part along the second part, and the lower end of the outer-layer heat exchange pipe is communicated with a liquid inlet pipe; and the inner-layer heat exchange pipe winds along the second hollow inner cylinder, and the upper end of the inner-layer heat exchange pipe is communicated with the outer-layer heat exchange pipe. The dust collector disclosed by the invention has high efficiency.

The invention discloses a plug-in type probe used for an electromagnetic flowmeter and belongs to the field of liquid flow measurement. The plug-in type probe comprises a cylindrical shell; an electric signal generating component, arranged at the interior of the shell, comprises a coil component, a pole shoe, a magnetic yoke and a plurality of electrode cables; a connecting part used for connecting an insertion rod is arranged at one end of the shell; a detachable connecting structure is separately arranged at the connecting part and the insertion rod; the outer diameter of the insertion rod is same as that of the shell; a choke plug is connected at the other end of the shell; two electrode components are arranged at the end face of the choke plug; and the two electrode components are provided with current guiders used for guiding current. The plug-in type probe used for an electromagnetic flowmeter solves the problems in the prior art that the outer diameter of the probe is inconsistent with that of the insertion rod, the concave-convex surface formed at the connecting position of the probe and the insertion rod increases the speed distribution distortion influences and the traditional electrodes arranged in the middle of the probe are easy to damage in the installation process.

A support unit is provided for a liquid filled flexible packaging bag having a length, width, and thickness, and which enables such a bag to be stored horizontally while enabling liquid contained within the bag to be withdrawn as and when required. The storage unit (1) has a support panel (2, 12, 14, 19, 26, 42) for a liquid filled flexible packaging bag which is adapted to support the packaging bag in an inclined orientation at least after a proportion of the initial content of the bag has been removed. The support panel corresponds generally in plan view to the length and width of the packaging bag and is usually located inside a flat shape of box (6, 46) capable of storage on a shelf of low height. The support panel may be arranged to move from a horizontal position to a progressively more inclined position as liquid is removed from the bag. A liquid supply system is also disclosed.

The invention discloses an oil tank of a vehicle. T he oil tank comprises an oil tank body, a first separating plate and a second separating plate. The first separating plate and the second separating plate are each provided with oil holes, a flow limiting device is arranged below the lowest oil hole of each of the first separating plate and the second separating plate. The fuel oil flowing section of each flow limiting device is smaller than the fuel oil flowing section of each oil hole. The first separating plate and the second separating plate divide the interior space of the oil tank body into a first oil cavity, a second oil cavity and a third oil cavity in the length direction, a fuel oil sensor used for sucking oil is arranged in the second oil cavity, and the flow limiting devices and the oil holes are used for enabling every two adjacent oil cavities to communicate correspondingly. According to the oil tank, the fuel oil sensor can suck fuel oil for a longer time when a vehicle goes uphill or downhill, and normal running of the vehicle when the vehicle goes uphill or downhill is guaranteed to the larger extent.

The invention discloses a lead-acid battery composite plate grid which is composed of a lead plate grid and a conductive polymer plate grid which are mutually superposed. The invention also discloses a lead-acid battery pole plate which comprises a plate grid and an active material layer coated on the plate grid. The lead-acid battery pole plate is characterized in that the plate grid is the lead-acid battery plate grid. The invention also discloses a lead-acid battery which comprises a pole plate, wherein the pole plate comprises the lead-acid battery plate grid and an active material layer coated on the plate grid. According to the invention, the effective combination of a lead plate grid and a conductive polymer plate grid is realized through the combination of the lead plate grid and the conductive polymer plate grid; and compared with the prior art, according to the invention, the distribution and flow direction of current in a charge-discharge process of a battery are guaranteed, the lead loss is saved, the weight is light, the material cost is reduced, and the market competitiveness is improved.

The invention relates to a method for producing a wind-power mainshaft by local continuous upsetting and all-fibre upset forging. The method comprises the following: step one, the heating of steel ingot; step two, forging; step three, first heat processing; step four, rough machining and ultrasonic inspection; step five, quenching and tempering and heat processing; step six, fine machining, wherein, during the step two, the forging comprises that: (1) a first fire, during which, a steel ingot is subject to upset forging at a forging temperature of between 1250 and 900 DEG C; firstly, the bottom of the steel ingot is sawed off, and the steel ingot is subject to capping and upset forging; (2) a second fire, during which, the steel ingot is stretched towards various directions, marked and subject to intermediate billet cogging; after a pole part is molded, scrap on a T end is chopped and removed; after the forging is finished, the steel ingot returns to a heating furnace for being reheated; (3) a third fire, during which, the steel ingot is subject to local continuous upsetting and all-fibre upset forging; (4) a fourth fire, during which, the steel ingot is subject to rolling and leveling; the pole part is stretched; the disc edge of a hub end on the head part of an intermediate billet material after the local continuous upsetting and all-fibre upset forging is subject to rollingoperation; after the rolling, the intermediate billet material is inserted into a leaking disc component again; the end face of the disc is pressed and leveled; after the shaping of the disc end is completed, a manipulator clamps the disc and stretches the pole part of the intermediate billet material to a dimension of a forgeable piece; thus, the mainshaft forging is completed. The method can improve the fatigue resisting strength of a wind-power mainshaft forging piece.