21results about How to "Avoid gas" patented technology

The invention discloses a method for synthesizing ferric phosphate pyrophosphate and preparing a sodium ferric phosphate pyrophosphate positive electrode material. The method comprises the following steps: S1, preparing a raw material solution; s2, adding the ferric salt solution, the phosphate radical solution and the pyrophosphate radical solution into the reaction base solution, controlling the pH value, and carrying out coprecipitation reaction; s3, filtering and washing, adding water, and pulping again; s4, heating and crystallizing; s5, filtering and drying; s6, sintering to obtain ferric pyrophosphate Fe6 (PO4) 2 (P2O7) 3; s7, adding ferric pyrophosphate, a sodium source and a carbon source into water, pulping, and sanding; s8, spray drying; and S9, sintering is carried out, such that Na4Fe3 (PO4) 2 (P2O7) / C is obtained. According to the method, a precursor Fe6 (PO4) 2 (P2O7) 3 is synthesized firstly, long-range ordered mixing of Fe and P elements on the atomic scale is achieved, the morphology and particle size of the precursor are controllable, the problem of generation of inactive impure-phase NaFePO4 in the synthesis process of ferric sodium pyrophosphate can be effectively solved, the raw material utilization rate is high, and the synthesized positive electrode material is large in tap density and compaction density and excellent in electrochemical performance.

The waterproof vehicle-mounted connector comprises a plastic shell, a second sealing ring, a rear cover and a power connection element, the front end of the shell is provided with an insertion cavity, the rear end of the shell is provided with an installation cavity, the power connection element is arranged in the installation cavity, and the head of the power connection element extends to the insertion cavity. The second sealing ring is arranged on the inner side of the rear end of the shell and is sleeved outside the power connection element, the rear cover is sleeved outside the power connection element and is locked on the shell, an annular protruding part protruding towards the insertion cavity is arranged at the communication position of the insertion cavity and the installation cavity, and the annular protruding part is sleeved outside the installation cavity. An annular groove is formed between the annular protruding part and the inner wall of the shell, and liquid silica gel is injected into the inner wall of the inserting cavity section on the shell and the annular groove through the liquid forming technology so that the first sealing ring can be formed. Compared with the prior art, the first sealing ring can be stably formed in the plastic shell, so that the connector product meets the requirement of miniaturization.

The utility model provides a vacuumizing mechanism for an automobile silica gel lens injection mold, and belongs to the technical field of molds. The mold comprises a lower mold insert and a first color lens shell formed at the top end of the lower mold insert, a silica gel lens forming cavity is formed between the first color lens shell and the lower mold insert, and an exhaust hole is formed in the connecting position of the top end of the lower mold insert and the silica gel lens forming cavity. And a vacuumizing mechanism capable of exhausting air from the silica gel lens forming cavity through the exhaust hole is also arranged in the lower mold insert. After the first color lens shell is subjected to injection molding, silica gel liquid is injected into the silica gel lens forming cavity between the first color lens shell and the lower mold insert, so that the silica gel lens can be subjected to injection molding; and air in the silica gel lens forming cavity can be pumped out through the vacuumizing mechanism, so that air trapping at the bottom of the cavity during silica gel liquid injection molding is prevented, and the injection molding efficiency of a product can be effectively improved.

This invention discloses a washing machine drainage control method and a washing machine. The washing machine operates a drainage program, with a drain pump installed at the bottom of the outer tub. Its outlet is connected to a drain hole in the outer tub via a drain pipe, which is inclined. The washing machine's drainage program is divided into four stages. Combined with structural modifications to the washing machine, the control method includes: Stage 1: Starting the drain pump and cyclically starting and stopping; Stage 2: Starting the motor and running at low speed, cyclically rotating with long runs and short stops; Stage 3: Controlling the motor to rotate with short runs and long stops; Stage 4: Controlling the motor to run at high speed. During Stages 2, 3, and 4, the drain pump is controlled to rotate with long runs and short stops. This invention, through structural modifications and drainage timing control, allows water in the drain pipe to flow back into the pump chamber due to the inclined structure of the drain pipe during the drain pump's stop period, pushing air out of the pump's inlet and into the outer tub, thus solving the problem of air trapped in the pump.

The invention discloses a spraying structure and a semiconductor device thereof, the spraying structure comprises a gas distribution assembly, a spraying assembly and a baffle plate, the spraying assembly comprises a first spraying plate and a second spraying plate, the second spraying plate is arranged below the first spraying plate, and a first space is formed between the second spraying plate and the first spraying plate; the baffle is arranged below the second spraying plate, a second space is formed between the baffle and the second spraying plate, the gas distribution assembly is provided with an outer ring channel and an inner ring channel, the outer ring channel is communicated with a first hole in the second spraying plate and a second hole in the baffle through the first space, and the inner ring channel is communicated with a third hole in the baffle through the second space. First gas enters the first space through the outer ring channel and enters the reaction cavity along the first hole and the second hole; and second gas enters the second space through the inner ring channel and enters the reaction cavity along the third hole. And the first gas and the second gas are mutually independent, so that the technical problem that the process performance becomes poor due to blow-by caused by communication of the process gas input cavity and the cleaning gas input cavity is solved.

The utility model relates to injection mold technical field discloses an automobile water valve core injection mold, including injection mold, the side end of injection mold is equipped with support assembly, the side end of support assembly is equipped with pull assembly, the side end of pull assembly is equipped with the exhaust component for the exhaust of injection mold inside, the outer end of exhaust component is equipped with connecting assembly, connecting assembly installs in injection mold, the utility model discloses the cooperation and setting of pull assembly, exhaust component and connecting assembly, avoid gas to be surrounded by the molten material and cannot be discharged and produce the phenomenon of gas trapping, effectively solve the valve core scorching yellowing, injection not full and other defects caused by the gas trapping of traditional injection, guarantee valve core forming quality.

The utility model relates to a screw sintering device which comprises a sintering furnace and a conveying rack, the conveying rack is arranged at a gate of the sintering furnace, the conveying rack is provided with a conveying track, the conveying track extends into the sintering furnace, the conveying track is provided with a carrying trolley, the carrying trolley is provided with a lower frame and an upper frame, and the lower frame is provided with two mounting frames arranged in parallel. Correspondingly, the upper frame is provided with two placing frames arranged in parallel, the placing frames are used for placing screw jigs, a plurality of driving wheels are arranged on the outer wall of a frame strip, close to the outer side, of the mounting frame, the driving wheels are matched with the conveying track, and a driving motor is arranged at the position, corresponding to the driving wheels, of the inner wall of the frame strip. A plurality of connecting plates are fixedly connected to the inner side of the mounting frame, inclined blocks are fixedly connected to the top walls of the connecting plates, and a plurality of climbing wheels are arranged on the inner side of the placing frame. According to the utility model, the detection efficiency of sintered screws can be improved, and the rate of defective products is reduced.

The present invention discloses an energy-saving folding roller and a paper folding machine using the same. The folding roller comprises a folding roller body, in which at least two paper folding air suction channels and a paper cutting air suction channel are arranged, and a core shaft is also included. The folding roller body is sleeved on the outer periphery of the core shaft and can rotate around the core shaft. The core shaft is a hollow tube body with a hollow channel, and at least one end of the hollow channel is connected to an external device. At least one first vent hole and a second vent hole connected to the hollow channel are opened along the length direction of the core shaft surface. The first vent hole cooperates with one of the paper folding air suction channel and the paper cutting air suction channel, and the second vent hole cooperates with two of the paper folding air suction channel and the paper cutting air suction channel. The core shaft is a hollow tube body with a hollow channel. Under the action of the external device, the air in the air suction channel can be quickly drawn out from the vent holes opened along the length direction of the core shaft surface to the hollow channel, which greatly reduces the energy consumption of the external air extraction device and is energy-saving and environmentally friendly.

The invention relates to a control method for stabilizing nitrogen increase of molten steel by using nitrogen in an argon station, and the production method comprises the following steps: accurately controlling the oxidability of converter tapping, combined blowing of gas, gas stirring control after tapping, alloying in the tapping process, use of nitrogen-containing alloy and the like, so that the nitrogen content is increased to 130-240 ppm, and the fluctuation of the nitrogen content of the same steel grade is controlled within 40 ppm; according to the method, a part of alloy is replaced by a relatively cheap nitrogen medium, so that the effects of saving energy and reducing consumption are achieved, and the problems of large nitrogen blowing and increasing fluctuation and easy generation of blow-by in the smelting process are well solved. According to the invention, the nitrogen content is integrally increased from the previous 86.4 ppm to 128.4 ppm, the steel strength is improved by about 30-50 Mpa, and the alloy cost is reduced by about 20 yuan / ton; the fluctuation of the nitrogen content is reduced and is reduced from 188 ppm to 40 ppm; and by means of automatic switching of the nitrogen and argon valve set, blow-by of nitrogen and argon is eradicated, and the influence on production of other steel types is avoided.

This utility model relates to a positioning-optimized box-type cleanroom and a film-applying assembly. The cleanroom includes a film applicator and a box body. The film applicator forms a receiving space for placing the device to be applied. A positioning plate is provided at the front end of the receiving space, and the positioning plate is provided with a charging port positioning pin. Positioning inserts are provided on both sides of the receiving space. The positioning plate and positioning inserts are provided with guide posts to fix the protective film above the receiving space. The film applicator is disposed inside the box body, which can be opened to expose the film applicator. The box body has a front movable piece with a flexible component. The front movable piece can be folded inward to support the protective film downward. The box-type cleanroom improves the film-applying accuracy and adaptability through multi-dimensional structural design, comprehensively solving the problems of unstable positioning, adhesion deviation, and low adaptability in traditional film application, while balancing ease of operation and film application effect.

The present invention relates to the technical field of hot runners, and provides a seal and a hot runner system, wherein the seal is made of metal material, and the seal comprises: a seal body, which is annular; a first force-bearing portion, which is arranged on the upper annular surface of the seal body and connected to the seal body, and the first force-bearing portion is provided with at least one first U-shaped bevel; a second force-bearing portion, which is arranged on the lower annular surface of the seal body and connected to the seal body, and the second force-bearing portion is provided with at least one second U-shaped bevel; a deformation extrusion portion, which is arranged on the outer annular surface of the seal body and connected to the seal body; a U-shaped deformation groove, which is arranged inside the seal body, and the opening of the U-shaped deformation groove extends to the inner annular surface of the seal body. The seal is made of metal material, which enhances wear resistance, and the first U-shaped bevel and the second U-shaped bevel are arranged to stabilize the deformation direction, and the U-shaped deformation groove is arranged to avoid cross-flow.

This invention relates to the field of marine engineering technology, and in particular to a marine liquefied petroleum gas (LPG) fuel supply system. The system includes an LPG storage tank, a refueling module, a low-pressure pump, a high-pressure pump, a heat exchanger, a valve assembly, an engine, a recirculation tank, a dual pressure relief system, and a nitrogen system. The refueling module achieves safe LPG refueling and gas-phase reflux through dual interfaces; the low-pressure and high-pressure pumps work together in the reflux pipeline to stabilize fuel pressure, and the water-glycol circulation system, in conjunction with the heat exchanger, precisely regulates fuel temperature; unconsumed fuel is recovered to the storage tank for recycling via the return valve assembly and recirculation tank; the dual independent pressure relief system, combined with a gas-liquid separator, intercepts liquid LPG, and the nitrogen system performs pipeline replacement and purging. This system solves the problems of unstable pressure, fuel waste, emission pollution, and insufficient safety protection inherent in traditional technologies. It provides stable fuel supply, high utilization rate, and is safe and environmentally friendly, meeting the operational requirements of marine LPG dual-fuel engines.

The utility model relates to a kind of energy storage containers, including energy storage main body and liquid cooling machine, liquid cooling chamber is provided in energy storage main body, liquid cooling machine is installed in liquid cooling chamber, gas inlet and gas outlet are provided on liquid cooling machine, air inlet that is communicated with gas inlet and air outlet that is communicated with gas outlet are provided on energy storage main body, the orientation of air inlet and the orientation of air outlet are included angle. By the orientation of air inlet and the orientation of air outlet are included angle setting, i. e. air inlet and air outlet are respectively oriented to different direction, to avoid the high-temperature air discharged from air outlet immediately into air inlet, to avoid air leakage between air inlet and air outlet. Since the air temperature of entering air inlet is lower, it is favorable to improve the heat exchange efficiency of liquid cooling machine.

The utility model discloses a gas trapping prevention structure of a chlorinator, and aims to overcome the defects that gas is generated when the chlorinator works, and when the liquid flow is small, the gas forms a gas group above a pipeline and continuously increases along with the working time, so that the water outlet flow continuously decreases, and the normal use is influenced. The chloridizing device comprises a chloridizing device body, a water outlet is arranged on the chloridizing device body, and the aperture of the water outlet is reduced to form a flushing hole. The aperture of the water outlet of the chlorinator body is reduced to form the flushing hole, so that the water flow speed at the flushing hole can be increased, the air mass is dispersed by the water flow, the air trapping phenomenon generated in a small flow state can be effectively solved, and the normal work of the chlorinator is ensured.

The utility model relates to tableware production mould technical field discloses a kind of starch tableware mould, including outer mould and inner mould, outer mould and inner mould are made of breathable steel, outer mould is sleeved on inner mould, and the inner cavity surface of outer mould and the outer surface of inner mould are formed between interval defined space, starch material for making tableware is filled in defined space, the utility model provides a kind of starch tableware mould, outer mould and inner mould are made of breathable steel, the water vapor produced in the high-temperature high-pressure forming process of breathable steel's breathable performance can be made starch material pass through mould and discharge quickly, avoid forming high-pressure air cavity and gas trapping phenomenon in mould inside;Defined space is formed by outer mould sleeveing inner mould, so that starch material filling position and range are fixed, guarantee the even distribution of pressure in forming process, to solve the problem of uneven tableware wall thickness caused by water vapor cannot be discharged in time smoothly, improve tableware structural strength and service performance.

The utility model discloses an MVR (Mechanical Vapor Recompression) low-energy-consumption steam stripping deamination system which comprises a deamination front liquid tank, a liquid inlet heat exchanger, a steam stripping deamination tower, a Roots compressor and a reboiler which are connected in sequence, a liquid outlet of the deamination front liquid tank is connected with a tube pass cold side inlet of a liquid inlet heat exchanger, a tube pass hot side outlet of the liquid inlet heat exchanger is connected with a feeding port in the upper portion of a steam stripping deamination tower, and an ammonia-containing steam exhaust port in the top of the steam stripping deamination tower is connected with a Roots compressor. A gas outlet of the Roots compressor is connected with a shell pass hot side inlet of the reboiler, a condensate outlet of the reboiler is connected with the gas-liquid separation tank, outlet water at the bottom of the steam stripping deamination tower is connected with a tube pass cold side inlet of the reboiler through a first water outlet pipe, and a tube pass hot side outlet of the reboiler is connected with the lower part of the steam stripping deamination tower; the system is low in operation energy consumption, small in fresh steam consumption and capable of achieving up-to-standard emission of tail gas and resource recycling of ammonia water.

The present invention relates to a low-resistance steel-contained three-silver low-radiation coated glass and a preparation method thereof, wherein the three-silver coated layer is a laminated structure arranged in sequence: a primer layer, a first transition layer, a first seed layer, a first functional layer, a first barrier layer, a second transition layer, a second dielectric layer, a second seed layer, a second functional layer, a second barrier layer, a third transition layer, a third dielectric layer, a third seed layer, a third functional layer, a third barrier layer, a fourth transition layer, a fourth dielectric layer and a protective layer arranged on a glass substrate. Each functional layer is a silver-yttrium layer, and the yttrium content accounts for 2.5%. The low-resistance steel-contained three-silver low-radiation coated glass of the present invention has a first transition layer of niobium oxide, which has a high refractive index and is used as an anti-reflection material to improve the transmittance of the entire product; the coated glass of the present invention meets the requirements for tempering, and all indicators before and after tempering meet the use requirements, and at the same time has the advantages of low resistance, high transmittance and good processing resistance.

The mold comprises a first mold assembly and a second mold assembly. And the second mold assembly comprises a first sub-mold and a second sub-mold, and the first sub-mold and the first mold assembly are oppositely arranged in a spaced mode and are connected with a driving part in a positioning mode. The second sub-mold is arranged between the first sub-mold and the first mold assembly, and the first sub-mold, the second sub-mold and the first mold assembly are matched to form a forming cavity capable of forming a product. And when the second mold assembly moves away from the first mold assembly, the first sub-mold is separated from the second sub-mold and drives the driving part to move to a position combined with the second sub-mold, so that the second sub-mold is driven to be separated from the product under the far-away movement. According to the mold, the product demolding difficulty is low, and the quality of the demolded product can be kept.

The utility model discloses an atomization device which comprises a main shell, an atomization assembly, an oil storage assembly and a flow guide structure. The atomization assembly is arranged in the main shell; the oil storage assembly is used for storing an atomized substrate and is detachably connected with the main shell; the flow guide structure is arranged between the oil storage assembly and the atomization assembly to form a transverse liquid guide channel, the atomization substrate is conveyed to the atomization assembly through the transverse liquid guide channel, the flow guide structure comprises a capillary structure and / or a Tesla valve, and the Tesla valve is in the cut-off direction in the liquid guide direction of the transverse liquid guide channel. The flow guide structure transversely guides liquid and comprises the capillary structure, the problem that oil cannot pass through due to air trapping in an oil passing channel possibly caused by gravity liquid guide of an oil supplementing channel of an existing product can be solved, and stable liquid guide between the oil storage assembly and the atomization assembly can be achieved through the flow guide structure.

The present invention discloses an integrated water fitting, including a housing, a drainage mechanism, a drainage control pump, a scrubbing pump and a drainage base. The drainage mechanism, the drainage control pump and the scrubbing pump are installed in the housing, the drainage base is installed below the housing, the housing is provided with a through hole for a water supply source to enter, the water inlet of the drainage control pump is connected to the water source, and the water outlet thereof is connected to the drainage mechanism, the drainage control pump controls the drainage mechanism to open or close the water outlet of the drainage base, the water inlet of the scrubbing pump is connected to the water source, and the water outlet thereof extends to the outside of the housing. The present invention also discloses an intelligent toilet using the above-mentioned integrated water fitting. The present invention installs the drainage mechanism, the drainage control pump and the scrubbing pump in the housing to form a whole, and when in use, the whole only needs to be installed in the toilet tank, with a simple structure, small installation space occupied, convenient and quick installation, and simple after-sales service.

The utility model discloses a dust-free bin film pasting device with an upper cover easy to tear and paste and a suit, the film pasting device comprises a bottom plate and a film pasting bin arranged on the inner surface of the bottom plate, and the film pasting bin is used for containing a film assembly and an electronic product; the bottom plate is provided with a head end and a tail end, the head end of the bottom plate is convexly provided with a positioning column on the outer side of the film pasting bin, and the positioning column is used for being clamped with a film assembly during film pasting; the outer surface, deviating from the film pasting bin, of the bottom plate is provided with a finger pressing position and an easy-to-tear pasting position; the finger pressing position is arranged close to one side of the head end, the easy-to-tear pasting position is arranged close to one side of the tail end, and a pasting hole communicated with the film pasting bin is formed in the position, at the easy-to-tear pasting position, of the bottom plate. When the film pasting device is used for pasting films on products such as mobile phones and tablet personal computers, air trapping caused by the fact that the whole tempered film makes contact with a display screen in advance is avoided.