16results about How to "Guaranteed traffic" patented technology

The utility model discloses a solenoid valve for an oxygen generator and the oxygen generator, and relates to the technical field of oxygen generators. According to the technical scheme, the valve is characterized by comprising a valve body, a valve rod and a valve seat, wherein a valve cavity, an air inlet, a working port and an exhaust port are formed in the valve body, and the air inlet, the working port and the exhaust port are communicated with the valve cavity; an upper opening and a lower opening are formed in the two ends of the valve cavity respectively, the valve seat is embedded into the valve cavity from the lower opening, and an air inlet channel communicated with the air inlet and the valve cavity is formed in the valve seat. According to the utility model, the air inlet channel is arranged in the valve seat, then the valve seat is independently processed, and the valve cavity is arranged in a through manner, so that the processing difficulty of the valve seat and the valve body can be simultaneously reduced, the processing precision is improved, the assembly is convenient, and the production efficiency is improved.

The utility model relates to working fluid filtering treatment technical field, and disclose advanced ceramic grinding processing working fluid filtration supply system, including the casing, still include: the baffle, the baffle fixedly connected in the casing, the casing front side is provided with the supply area, the casing right side is provided with the reflux area, the casing is provided with the filter mechanism, the filter mechanism surface is provided with the assembly mechanism, the filter mechanism includes: terminal filter, terminal filter fixedly connected in the casing, this advanced ceramic grinding processing working fluid filtration supply system, through setting up the supply area to the working fluid and makes the whole device to the working fluid supply of processing area and to the filtration of working fluid separate, namely, supply pump and reflux filter assembly independent work, both ensure the double -deck effective filtration to working fluid, and can ensure the flow and pressure of working fluid supply to processing area.

The utility model provides a kind of support roller buffer rack placed in belt frame, belong to coal mine electromechanical transport technical field;Including support frame and transport belt conveyor body, the transport belt conveyor body is installed on support frame, the inner wall of support frame is equipped with buffer component, for storing support roller;The buffer component includes support plate, support plate is fixedly arranged in the inner wall of support frame, sliding slot is opened in support plate, the inner wall of sliding slot is slidably provided with first sliding rod and second sliding rod;Through the setting of buffer component, it solves the current from the head transfer support roller to damage, the long distance of transport, the problem of large human consumption, when routine inspection is carried out to transport belt conveyor body, if finding initiative support roller damage, staff need not long-distance transport, just need in the vicinity of transport belt conveyor body, can conveniently take support roller from bearing plate and replace, shorten the transport time and distance of support roller, save manpower.

The utility model relates to a kind of food processors, including: cabinet, its inside is equipped with the cooking chamber for cooking food, the upper portion of the cooking chamber is equipped with exhaust hole;Negative pressure pump, is located in the cooking chamber outside, and with the exhaust hole communication, for the gas in the cooking chamber is extracted to make cooking chamber inside to be negative pressure state;For preparing food fresh-keeping gas gas generating device;Inside with the air cavity for storing food fresh-keeping gas's gas storage device, air cavity gas inlet with the output end of the gas generating device is communicated, air cavity gas outlet is communicated to the cooking chamber by gas pipeline, and gas pipeline is equipped with for controlling gas flow's flow control valve, when flow control valve opens, the gas storage device is arranged, and food fresh-keeping gas in it can be inhaled into cooking chamber under the action of cooking chamber inside negative pressure.The utility model can reduce the risk of food material being oxidized.

The drainage filter screen piece is provided with a filter screen body, the filter screen body is provided with an annular supporting part and a protruding part, the protruding part is formed in the center of the annular supporting part and protrudes upwards, and the protruding part is provided with a main drainage opening with a downward opening; the filter screen body is provided with a center line extending up and down; a plurality of first filter holes distributed around the center line are formed in the protruding part, and a plurality of second filter holes distributed around the center line are formed in the annular supporting part; the lowest position of the first filter hole is higher than the highest position of the second filter hole, and an annular garbage storage groove is formed between the lowest position of the first filter hole and the highest position of the second filter hole on the filter screen body. The device has the functions of garbage storage and normal drainage, and also has the effect of increasing the flow along with the increase of the water level.

The utility model relates to a kind of bell and spigot type precast concrete pipe joint construction processing structures, belong to concrete pipe construction structure technical field, including multi-section bell and spigot type precast concrete pipe, the end of each bell and spigot type precast concrete pipe is equipped with sleeve pipe, sleeve pipe is equipped with tapered sealing surface, the outside of the other end of each bell and spigot type precast concrete pipe is equipped with tapered sealing portion, rubber sealing sleeve is sleeved on tapered sealing portion, the junction of adjacent bell and spigot type precast concrete pipe is equipped with sealing mortar layer, the bottom of the both ends of each bell and spigot type precast concrete pipe is equipped with support block.The support block of the utility model can support bell and spigot type precast concrete pipe to lift, facilitate evenly smearing sealing mortar layer outside sleeve pipe, prevent sealing mortar layer to disconnect, by tapered sealing surface, tapered sealing portion, rubber sealing sleeve, sealing mortar layer multilayer sealing, effectively fill gap, substantially reduce leakage risk, guarantee pipeline system water delivery, drainage function stability.

The present application provides a technology capable of ensuring the flow rate of fuel gas supplied to a fuel cell in a fuel cell system. The fuel cell system includes a fuel cell, a fuel tank that stores fuel gas supplied to the fuel cell, a fuel gas supply path that includes a linear solenoid valve and an ejector provided on a downstream side thereof, and a control device that supplies the ejector with fuel gas at a target flow rate by controlling the operation of the linear solenoid valve. The control device is configured to selectively execute a linear control mode in which the target flow rate is achieved by maintaining the opening degree of the linear solenoid valve constant and a pulse control mode in which the target flow rate is achieved by periodically changing the opening degree of the linear solenoid valve between at least two values.

The utility model discloses a pressure storage tank disc ladder two -way adjustable sliding support connecting structure, including upper support and lower support, the upper support and lower support are connected through high -strength screw rod and nut between, one side of lower support is equipped with U -shaped groove, the upper support side edge is welded with the transmission board, the transmission board is inserted in the U -shaped groove and has realized the height adjustment change between the upper support and lower support, can effectively adapt to the two -way uneven settlement that pressure storage tank body and disc ladder between because of the foundation difference produce, relieve the stress of connecting part, improve the stability and security of connecting structure, guarantee disc ladder normal use and personnel safety etc. technical features.

The invention relates to the technical field of steam-water separation equipment, in particular to a dimethyl oxalate synthesizer which comprises a tank body, a driving motor is coaxially mounted at the top end of the tank body, a rotating rod is coaxially connected to the output end of the driving motor and located in the tank body, and a plurality of first turbine blades are connected to the side wall of the rotating rod; the multiple first turbine blades are evenly distributed around the axis of the rotating rod, the height of the first turbine blades in the vertical direction is located between the water inlet pipe and the air outlet pipe, and the horizontal projection of the highest point of each first turbine blade is located in the horizontal projection of the adjacent first turbine blade. And centrifugal force can be generated in the steam rotating process, and water molecule particles in the steam move towards the outer side of the first turbine blade under the action of the centrifugal force and are collected, so that the water molecule particles in the steam are separated from other gas components, the problem that heat transfer of the steam is hindered by the water molecule particles carried in the steam is avoided, and the steam quality is guaranteed.

The invention discloses a graded floating object filtering device for a water inlet of a reservoir, and relates to the field of filtering of floating objects at the water inlet of the reservoir, the graded floating object filtering device comprises a plurality of water retaining frames, the water retaining frames are fixedly connected, and water outlet grooves are formed in the water retaining frames. The multi-stage filtering system is constructed by sequentially mounting the filtering net plates with gradually reduced mesh diameters on the plurality of water retaining frames from top to bottom. When water enters the reservoir, the water firstly enters the first water retaining frame, larger floating objects are intercepted by the top filter screen plate, and smaller floating objects enter the next water retaining frame through the water outlet groove and are filtered by the filter screen plate with smaller aperture. According to the graded filtering mode, the problem that a single filter screen with large meshes cannot intercept small floating objects is effectively solved, and the situation that the filter screen with small meshes is easy to block, so that the water inlet flow is reduced, and surrounding water and soil loss is caused by water overflow is also prevented.

The application discloses an air cooling tower and an air precooling system, and belongs to the technical field of cooling devices. The air cooling tower comprises a tower body and a filtering device. The tower body is provided with a cooling cavity and a water outlet communicating with the cooling cavity. The filtering device comprises a first filtering piece arranged in the cooling cavity. The first filtering piece comprises a top wall and a side wall connected with each other. The top wall and the side wall are arranged at an angle and enclose a containing groove. The containing groove is open to the top wall. The open end of the containing groove faces the water outlet. A plurality of first filtering holes are formed in the side wall and the top wall. After the first filtering piece is arranged, the first filtering piece can filter the cooling water. When large scale water scale at the positions such as the pipeline interface of the air cooling tower falls, the large scale water scale cannot enter the water outlet and the circulating pipeline under the action of the first filtering piece, the water outlet and the circulating pipeline are prevented from being blocked, the cooling water can be ensured to return to the water storage pool, and the stable operation of the air precooling system is ensured.

The application discloses a kind of encrypted traffic deep packet inspection method, system and electronic equipment, it is related to Internet of Things privacy protection technical field, the method includes: gateway generates key set according to security parameter, and plain text detection rule set is converted into encrypted encoding filter table and encrypted rule set;Gateway processes data packet based on key set to generate encrypted token set, and sends encrypted token set to first layer server;First layer server filters encrypted token set according to encrypted encoding filter table, and initiates component request to gateway, generates search trapdoor according to key component group that gateway issues, and sends search trapdoor to second layer server;Second layer server detects encrypted rule set based on search trapdoor, obtains detection result, and returns detection result to gateway, and detection result is the rule identifier set of matching success.This application carries out real-time detection to encrypted traffic deep packet under the premise of ensuring that flow data and detection rule itself are private.

The present application relates to the technical field of tension tower suspension hoisting construction, and discloses a 500kV super-high tension tower segmented suspension hoisting construction method for crossing expressways, comprising the following steps: carrying out topographic and geological survey, constructing rock-embedded expanded foundation, precasting tower body in three sections and pre-installing dynamic monitoring system, and optimizing hoisting path; laying out protective facilities, establishing construction and traffic linkage mechanism and emergency plan; adopting large crawler crane to hoist tower body in sections, controlling precision and stress through dynamic monitoring; realizing non-contact conductor erection through unmanned aerial vehicle traction and double-wire tension control; and completing tower body and monitoring system detection debugging and load test operation. The present application optimizes path through A algorithm, hoists tower body in sections through 250-ton crawler crane, abandons road closure mode, innovatively adapts complex terrain through rock-embedded expanded bottom anchor pile composite foundation, constructs triple safety guarantee system, forms complete replicable technology, improves construction efficiency and safety, and promotes standardized development of the industry.

The utility model relates to the technical field of filtering devices, in particular to a filter, a filtering device, a gearbox and a vehicle. In the filter, a filtering layer is arranged at the first inlet and is used for filtering impurities in liquid flowing into the cavity from the first inlet; the on-off bypass valve is arranged at the second inlet; the adsorption part is arranged at the second inlet and at least used for adsorbing impurities in liquid flowing through the bypass valve from the second inlet and flowing into the cavity. The arrangement of the second inlet can realize short-time communication in special states such as flow reduction at the first inlet so as to effectively ensure the flow of the filter, the adsorption piece can realize impurity adsorption without influencing the liquid flow, a filter screen arranged at the second inlet can be saved, and the cost of the filter can be reduced.

This utility model discloses a filter bucket with a pull-out water-drawing mechanism, including a bucket body and a bucket lid. The bucket lid has an inlet and an outlet. A filter assembly is installed inside the bucket body. A water pump assembly is installed between the outlet and the filter assembly. A pull-out water-drawing assembly is installed between the inlet and the filter assembly for manually drawing water into the bucket body before the water pump assembly is started. The pull-out water-drawing assembly includes a cylinder. The upper end of the cylinder is connected to the inlet, and the lower end of the cylinder is connected to the filter assembly. A piston is installed inside the cylinder, and a one-way valve structure is installed at the piston. A push-pull rod extending out of the bucket lid is connected to the piston. This utility model has the advantage of being able to conveniently complete the water-drawing operation without disassembly.

The utility model provides a circulating water pump and a water heater comprising the same. The circulating water pump comprises a water pump shell, a water pump rotating shaft, a water pump rotor, a water path reversing piece and a flow stabilizing valve. A containing cavity, a first water outlet channel and a second water outlet channel are formed in the water pump shell, wherein the first water outlet channel and the second water outlet channel communicate with the containing cavity. The flow stabilizing valve is arranged in the second water outlet channel. The water pump rotating shaft, the water pump rotor and the waterway reversing piece are arranged in the containing cavity, the water pump rotating shaft is connected with the water pump shell and sleeved with the water pump rotor, and the end, away from the water pump rotating shaft, of the water pump rotor is fixedly connected with the waterway reversing piece; when the water pump rotating shaft rotates, the water path reversing piece communicates with the containing cavity and the first water outlet channel. When the water pump rotating shaft is static, the water way reversing piece communicates with the containing cavity and the second water outlet channel. By arranging the specific structure of the circulating water pump, it can be guaranteed that in the normal use process, the flow stabilizing valve plays a flow stabilizing role, and in the circulating or pressurizing process, the normal flow of circulating water flow or the effective pressurizing effect can also be guaranteed.