51results about How to "Fully circulated" patented technology

The invention discloses a middle hole pressure storage static leakage-free oil sprayer, comprising a high speed solenoid valve, a locking screw sleeve, a tapered surface ball valve type switch valve, a control plunger and barrel assembly, an oil sprayer spring, a spring seat, an opening check ring, an oil sprayer body, an oil sprayer assembly and an oil nozzle locking cap; the tapered surface ball valve type switch valve is arranged in a concave cavity in the upper end of the oil sprayer body; the upper end of the oil sprayer body is connected with the high speed solenoid valve by a locking nut; the lower end of the oil sprayer body is connected with the oil nozzle assembly by the oil nozzle locking cap; the control pole plunger and barrel assembly is arranged in a central hole formed along the axis of the oil sprayer body; the central hole of the oil sprayer body and the control pole plunger and barrel assembly form a middle hole pressure storage cavity. The oil sprayer is simple in structure, low in machining cost and convenient to mount, so the production efficiency and product percent of pass are improved.

The invention discloses an assembled type waterproof power distribution cabinet with an automatic temperature control function. The assembled type waterproof power distribution cabinet comprises a base, a cabinet body and a top cover; a concave sliding groove is formed in the base; convex beams and pulleys are arranged on the bottom edges of three cabinet bodies relatively; matched hasp locks are arranged on the adjacent framework vertical columns and cross beams of the first cabinet body and the second cabinet body, and the adjacent framework vertical columns and cross beams of the second cabinet body and the third cabinet body respectively; bent telescopic sleeve pipes are also adopted on the top parts of the adjacent cabinet bodies to form sealed electric wire and cable channels; each cabinet body is also provided with an air inlet, an air outlet, a heat dissipation apparatus and an automatic control apparatus; and the V-shaped top cover can be stably embedded and inserted in clamping grooves formed in the top parts of the first cabinet body, the second cabinet body and the third cabinet body. The power distribution cabinet can be assembled onsite, so that the size of the single cabinet body can be reduced, and the power distribution cabinet is convenient to transport and high in stability after assembling; therefore, integration in form is realized while circuit interconnection is also achieved; and in addition, the power distribution cabinet is excellent in waterproof and heat dissipation functions, and convenient and flexible to use.

The invention relates to a vegetative reversed filter concrete block and a retaining wall. The block comprises a front side wall, a back side wall, a first side wall and a second side wall, the first side wall is opposite to the second side wall, the front side wall and the back side wall are respectively connected between the first side wall and the second side wall, a middle partition plate is arranged between the first side wall and the second side wall and is connected between the front side wall and the back side wall to divide the inside of the block into at least two portions, and through holes are arranged on the first side wall and the second side wall. The vegetative reversed filter concrete block is made of special grading permeable concrete, has a certain porosity and permeates water but not soil, the back pressure applied to the block in water level receding can be relieved, safety and stability of the retaining wall are enhanced, animal and plant growth and water flow are facilitated, and an original environment is kept as far as possible.

The invention discloses a production device with drying and polishing functions for processing Bodhi fruit hand strings, and relates to the technical field of jewelry processing. The production devicecomprises a first conveying belt, a surface cleaning mechanism, a disc type drying mechanism, a polishing and slurry coating mechanism and an abrasive paper quick-change mechanism, wherein the surface cleaning mechanism is arranged on one side of the top end of the first conveying belt. According to the production device with the drying and polishing functions for processing the Bodhi fruit handstrings, the polishing and slurry coating mechanism is arranged, so that the defect that existing hand string raw materials are mostly completed by manual auxiliary positioning in the background technology is perfectly overcome; the output stroke of a polishing roller is controlled through the intermittent contact stroke of the output end of a triangular cam and an idle wheel, the transverse stroke and the longitudinal stroke of the polishing and slurry coating mechanism are driven at the same time by using one power source, the transmission of a driving gear to a transmission gear is transmitted through a spline shaft, and the power output direction is changed through a direction changing gear; and a reset spring is arranged, so that rapid elastic reset of the polishing and slurry coatingmechanism is realized, and the applicability is very high.

The invention discloses a portable vehicle-mounted air purifier which comprises a shell, a suction fan, supporting legs, a control panel, a filter layer mechanism and a photocatalyst filter screen, wherein the shell is cylindrical; a tangent plane is arranged on the side surface of the shell; the control panel is arranged on the tangent plane; the upper surface of the shell is provided with an opening in the position of a center shaft; the suction fan is arranged in the shell through a lifting mechanism; the annular filter layer mechanism and the photocatalyst filter screen are sequentially arranged in the shell along the direction far from the center shaft; annular air outlets are formed in the side surface of the shell; a plurality of exhaust fans are arranged in the shell; the inlets of the exhaust fans face towards the center shaft of the shell, and the outlets of the exhaust fans face towards the air outlets; and a plurality of supporting legs are arranged on the lower surface of the shell at intervals. The portable vehicle-mounted air purifier overcomes the problems of the vehicle-mounted purifier in the prior art that the purifying effect is poor, the direction of each air outlet is fixed, and thus the air in a vehicle can not effectively circulate.

The invention discloses building decoration paint. The building decoration paint is prepared from, by weight, 7-13 parts of a base material, 20-35 parts of filler, 4-17 parts of pigments, 10-13 partsof an auxiliary agent and 70-90 parts of distilled water. The base material is prepared from, by weight, 10-15 parts of silica sol, 12-20 parts of acrylic resin and 15-20 parts of epoxy resin. The filler is prepared from, by weight, 5-10 parts of light calcium carbonate and 30-35 parts of color sand. The auxiliary agent is prepared from, by weight, 22-27 parts of a whitening agent, 2-4 parts of stabilizing agent and 8-14 parts of a flame retardant. Various materials are processed to form the paint which is stable, high in quality and resistant to fire, combined materials are superior to existing materials, and the paint is less prone to damages and shedding, high in safety and long in service life. The paint has a faint mint aroma which masks intrinsic odor of the paint, so that physical comfort in use of the paint can be improved. After the paint is applied to exteriors of buildings, physical harms can be reduced, and safety of the paint is improved.

The invention discloses a stainless steel sieve plate high temperature permeability dissolving nitrogen treatment method, by stainless steel sieve plate high temperature permeability dissolving nitrogen treatment, a 1-2 mm high temperature dissolving nitrogen layer is obtained on sieve hole wall surface, through the quenching process, a nitrogen-containing martensite or austenite layer is obtained on sieve plate surface and hole wall surface, on the basis of keeping corrosion resistance of stainless steel, the wear resistance of the sieve plate surface and hole wall surface is significantly increased, and the service life of a stainless steel sieve plate is prolonged.

The invention discloses a photoetching machine projection objective and an objective support through-hole design method. The photoetching machine projection objective comprises an objective barrel, several objective lenses and lens supports corresponding to the objective lenses. The top of the objective barrel is provided with an air outlet and the bottom of the objective barrel is provided with an air inlet. One side of each one of the lens supports is provided with several through holes. Air flowing amounts and pressure loss values of the through holes are the same. The through holes of the adjacent lens supports are distributed diagonally. According to illumination field cases of each one of the lenses, the different through holes with different pore sizes are arranged at the corresponding lens supports through a specific method and the through holes of the adjacent lens supports are distributed diagonally so that gas pressure stability in a projection objective is guaranteed, full gas communication in the projection objective is realized, heat radiation performances and temperature stability in an optical path area are improved, the optical path area is fully filled with inert gas, projection objective sensitivity to a temperature and pressure is effectively reduced and photoetching quality is improved.

The invention relates to a stirring structure for reinforcing olefin polymerization and a method for reinforcing olefin polymerization. The stirring structure comprises a reaction kettle body and an inner-outer double-layer stirrer arranged in the reaction kettle body, wherein the inner-outer double-layer stirrer consists of an inner-layer paddle and an outer-layer paddle arranged outside the inner-layer paddle; the inner-layer paddle and the outer-layer paddle are coaxially mounted in the reaction kettle body; the inner-layer paddle and the outer-layer paddle rotate at different speeds and indifferent directions as required. According to the stirring structure provided by the invention, through different combinations of the paddle types of the inner- and outer-layer paddles and by adjusting the speeds and directions of the inner- and outer-layer paddles in the polymerization process, the processes of slurry polymerization, solution polymerization, emulsion polymerization, suspensionpolymerization and gas-phase polymerization are reinforced, the mass transfer and heat transfer are promoted, the product quality is improved while the conversion rate is increased; moreover, the structure of the reaction kettle is not transformed, thus the investment cost on the equipment is saved.

The invention provides a novel internal vibration type vibrating screen comprising a screen outer ring, spring supports and springs. The novel internal vibration type vibrating screen further comprises connection shafts, motors, reinforcing rings, bottom screens, platens and side screens. The vibrating screen is composed of an inner screen and the screen outer ring. The inner screen is composed of the reinforcing rings, the bottom screens, the platens and the side screens. The inner screen is connected with the motors through the connection shafts and is driven. The connection shafts are fixed to motor bottom plates through pressing plates and shaft end baffles. A dustproof cover, a supporting plate and a reinforcing plate are arranged between each motor bottom plate and the screen outer ring. The spring supports and the springs are arranged at the bottom of the screen outer ring. The other ends of the springs are connected with the inner screen. The novel internal vibration type vibrating screen has the beneficial effects that design is ingenious, the fault rate is low, maintenance expenses are low, work is more reliable, the internal vibration type structure is adopted so that resonance can be effectively prevented, the screen is kept balanced, stable simple harmonic vibration is output, and the double-layer screen structure is adopted so that it can be ensured that materials are sufficiently circulated and impurities are effectively filtered out.

The invention relates to the technical field of rail transit and particularly relates to an air conditioner air supply system and method for a rail transit vehicle. The system comprises guest room temperature sensors, guest room temperature sensors, a return air door control module and a fresh air door control module, wherein the return air door control module is used for controlling an opening degree of a return air door; when the temperature in the guest room reaches a high-temperature threshold value, the opening degree of the return air door is controlled to be large; the fresh air door control module is used for controlling an opening degree of a fresh air door; when the temperature in the guest room reaches a high-temperature threshold value, the opening degree of the fresh air door is controlled to be small; the guest room temperature sensors are arranged on the return air door and a return air inlet; and the return air inlet is formed in an air duct gap. The system is advantaged in that problems that a rail transit vehicle is single in air return position, uneven in air return and large in noise can be solved, and excessive air return devices do not need to be additionally arranged.

The invention discloses a ppb-level hydrogen sensor for detecting a lower limit, and belongs to the technical field of sensors. The hydrogen sensor comprises oxidized foam metal and palladium nanoparticles loaded on the oxidized foam metal, wherein the particle size of the palladium nanoparticles is 5-10 nm, the oxidized foam metal is obtained by carrying out high-temperature heat treatment on foam metal in an air atmosphere, the heat treatment temperature is 500-1000 DEG C, and the time is 3-6 h. Foam metal is fully oxidized at a certain temperature, a large number of insulating metal oxide nano wrinkles are obtained on the surface of the foam metal, and the oxidized foam metal substrate has a large surface area so as to adhere Pd nano particles; by utilizing the phenomenon that Pd reactswith high-concentration hydrogen to generate an incompletely reversible beta-phase Pd-H compound, a method for activating the hydrogen sensor through the high-concentration hydrogen is provided for the first time, and stable ppb-level hydrogen sensing performance of the hydrogen sensor is achieved.

An air purifier comprises a main machine, motor wind wheel assemblies are arranged in the main machine, and the air purifier is characterized in that the main machine can be arranged on a base in a left-right rotating mode, an upper air duct and a lower air duct are arranged in the main machine, the motor wind wheel assemblies are divided into an upper group and a lower group correspondingly, the upper air duct and the lower air duct are provided with respective air outlets, and PTC heating bodies are arranged at the air outlets; air inlet screen plates are arranged on the left side and the right side of the main machine, an air outlet screen plate is arranged on the front side of the main machine, and rotary shutters capable of guiding the air outlet direction are arranged between the air outlet screen plates and the air outlets. The air purifier is simple and reasonable in structure, convenient and fast to assemble, flexible and convenient to use, capable of achieving the effect of single-air-duct high-rotation-speed operation only through low-rotation-speed operation, capable of greatly reducing noise, even in air outlet and capable of effectively improving the sleep quality of a user, has a heating function, and can be conveniently used in cold seasons.

The invention provides a heat exchange device, a heat exchange system comprising the heat exchange device and a vehicle, and belongs to the technical field of vehicle heat exchange. The heat exchange device comprises a first flow guide plate, a plurality of heat exchanger plates, a second flow guide plate, a throttling plate and side plates. The first flow guide plate is provided with a first medium inlet, a first medium outlet and a second medium inlet; the plurality of heat exchanger plates are mounted on the first flow guide plate, and a first medium inflow channel, a first medium outflow channel, a second medium inflow channel and a second medium outflow channel are arranged; the second flow guide plate is mounted on the heat exchanger plates and is provided with a second medium outlet, a first medium inlet and a first medium outlet; the throttling plate is installed on the second flow guide plate and provided with throttling holes; and the side plates block the edges of the first flow guide plate, the multiple heat exchanger plates, the second flow guide plate and the throttling plate to form a plurality of first medium plate channels and second medium plate channels which are arranged alternatively. The problem that use of an air conditioner is affected due to control lag of an existing heat exchange device is solved.

The invention relates to a water reservoir. The water reservoir comprises a water reservoir body and a seepage discharging layer; the water reservoir body comprises a water reservoir bottom and a water reservoir side wall; the seepage discharging layer is arranged at the water reservoir bottom and the periphery of the water reservoir side wall; the seepage discharging layer is internally providedwith transverse seepage collecting pipes and vertical seepage collecting pipes which are criss-crossed and communicate; seepage holes are formed in the side walls of the transverse seepage collectingpipes and the vertical seepage collecting pipes; the vertical seepage collecting pipes communicate with seepage discharging pipes; and the seepage discharging pipes pass through the side wall of the water reservoir and communicate with one-way valves in the water reservoir body. The invention also discloses a design calculation method of the water reservoir. With the arrangement of the transverseseepage collecting pipes and the vertical seepage collecting pipes which are criss-crossed and communicate in the seepage discharging layer, water in the seepage discharging layer is automatically collected into the water reservoir, so that the buoyancy of the seepage discharging layer to a building above the seepage discharging layer is reduced and the safety of the building is ensured; and withthe arrangement of the one-way valves, groundwater in the seepage discharging layer can only flow in one direction, so that the groundwater is prevented from being polluted.

The invention relates to the technical field of waste heat recovery, in particular to a CSP heating furnace flue gas recirculation waste heat recovery system which comprises a working bin, a flue gas filtering device and a waste heat recovery device. The working bin comprises a square filtering bin and a recycling bin which is fixedly communicated with the top end of the filtering bin and is of a square structure, the smoke filtering device is assembled in the filtering bin, and the waste heat recycling device is assembled on the recycling bin; according to the system provided by the invention, flue gas filtration is additionally arranged before waste heat recovery, so that the problem that waste heat exchange recovery is influenced by adhesion and deposition of flue gas dust particles is avoided, meanwhile, incrustation cleaning can be actively carried out in real time, and the influence of an incrustation layer on the heat exchange effect is avoided or reduced.

The invention discloses a flue gas high-temperature combustion treatment chamber, and relates to the technical field of garbage combustion treatment, the flue gas high-temperature combustion treatment chamber comprises a treatment box body, the top of the treatment box body is provided with a flue gas inlet and a cooling port, the upper part of the treatment box body is provided with a drying exchange cavity, and the lower part of the treatment box body is provided with a first combustion cavity; wherein a plurality of circulation pipelines vertically penetrate through the drying exchange cavity, a through opening is formed in the right end of the drying exchange cavity, the left end of the drying exchange cavity communicates with a cooling opening, and the cooling opening is connected with a cooling device; a plurality of ceramic heat storage layers and a plurality of refractory brick heat storage layers are vertically arranged in the first combustion cavity at intervals, and the ceramic heat storage layers and the refractory brick heat storage layers are sequentially and alternately arranged in the first combustion cavity from left to right. The device has the advantages that combustion is sufficient, the combustion process is safe and reliable, the manufacturing cost is low, the content of dioxin is effectively reduced, and reverse generation of dioxin is prevented.

The invention relates to a fused salt electric-auxiliary thermal constant-parameter hot air heat exchanger. The hot air heat exchanger mainly comprises a framework main body, an inlet cavity and an outlet cavity which are correspondingly formed in the bottom and the top of the framework main body, an inlet and an outlet are correspondingly formed in the inlet cavity and the outlet cavity, and theinlet is communicated with an external molten salt supply device; the hot air heat exchanger further comprises a plurality of rows of finned tubes embedded in the frame body, two ends of each finned tube are correspondingly communicated with the inlet cavity and the outlet cavity, at least one row of electric heating tubes are arranged on the rear side of a heating tube, and adjacent tube rows arearranged in a staggered mode. According to the fused salt electric-auxiliary thermal constant-parameter hot air heat exchanger is used for the condition that the flow, the air pressure and the temperature of the air side are require to be constant by a technology, when the technology requires the temperature change, the electric heating tubes are controlled to be opened or closed according to theset hot air temperature, so that the row number of the electric heating tubes is adjusted, and the technical problem that certain production process heat carrier parameters need to be kept constant is solved.