1807results about How to "No leaks" patented technology

The invention discloses a composite phase-change energy storage material for microcapsules and a preparation method thereof. The coating of the microcapsule is made of silicon dioxide, and the core of the microcapsule is made of a phase-change energy storage material, wherein the phase-change energy storage material is a paraffin organic solid-liquid phase-change energy storage material. 0.2 to 0.5 wt.% of dispersed emulsifier, 52.5 to 62.5 wt.% of solvent water, 18.75 to 31.5 wt.% of phase-change energy storage material and 15.5 to 18.75 wt.% of inorganic silica source are matched and put into a reactor for stirring for 5 to 8 hours; the mixture is uniformly dispersed and emulsified at the temperature 3 to 8 DEG C higher than that for solid-liquid phase change; hydrochloric acid aqueous solution catalyst with the pH value of 0.93 to 4.07 or sodium hydroxide aqueous solution catalyst with the pH value of 8.0 to 12.0 is added into the emulsion; the reacting solution is naturally cooled to room temperature and precipitation solution is obtained; the precipitate is washed with the combination of water and petroleum ether, wherein the mass percent of the petroleum ether is 30 wt.%; then the precipitate is washed with deionized water and is filtered, and the product is naturally aired. The invention improves the technology of phase-change energy storage and conservation, and has the function of automatic temperature regulation, favorable physical and chemical stability, crack resistance, flame retardancy, wear resistance and high thermal conductivity.

The invention relates to a real-time dynamic 3D water balance monitoring system of a power plant and a working method of the system. The system is characterized by comprising a data collection module, a data transmission module, a data storage module, a monitoring center and a data analysis and application module, wherein the data collection module collects flow data, and the data transmission module returns data collected by the data collection module in real time. Water volume data of different collection points is collected by the data collection module, transmitted to the data storage module by the data transmission module, and further transmitted to the data analysis and application module by the data storage module. The system and method have the advantages that the relation between water volume change and generating load is found via data analysis, the imbalance rate is calculated, and thus, scientific basis is provided for planning water-saving measures of the power plant.

The invention discloses a manufacture method of a reversible bonding micro-fluidic chip with high strength. The manufacture method includes using a sacrificial layer mold to manufacture and integrating a polydimethylsiloxane (PDMS) membrane of a micro pipeline structure firstly, aligning and attaching a structure face of the PDMS membrane to a pre-punched rigid substrate, then attaching the other rigid substrate with PDMS pre-polymer and curing agent mixed liquor coated in spin mode in advance to the back of the PDMS membrane, then solidifying to obtain a completely seamless attached substrate-PDMS-substrate sandwich type micro-fluidic chip, and finally, clamping two rigid substrates of the sandwich type micro fluidic chip from the upper and lower faces by using a clamp, and therefore the ability of tolerating applied pressure intensity of the micro pipeline structure of the sandwich type micro-fluidic chip is enhanced. The sandwich type micro-fluidic chip of a combination clamp simultaneously has superiorities of assembling reversibly and resisting high pressure, broadens the applied range of the reversible bonding micro-fluidic chip greatly, and reduces application cost of the micro-fluidic chip.

The invention belongs to the field of waste disposal in petroleum industry, and relates to an industrialization scale pyrolysis treatment system for oily sludge. The industrialization scale pyrolysis treatment system comprises a feeding pre-separation unit for performing secondary screening and solid-liquid separation on the oily sludge, a drying pyrolysis unit for performing drying and pyrolysis reaction on the oily sludge, a dust removal and condensation unit for performing dust removal and condensation on a pyrolysis gas mixture generated by the drying pyrolysis unit, and a discharge treatment unit which receives and treats separated substances of the other units respectively. Solid or solid-liquid mixed waste such as the oily sludge can be finally treated to achieve reduction, stabilization, harmlessness and recycling.

The invention discloses a sealing grease for a shield tail of a shield tunneller, which comprises by weight the following components: basic oil 17.5-19 portions, thickener 8-15 portions, waterproof sealing material 58-65 portions, lubricant 1.5-3 portions, antioxidant 1-2 portions, anti-rust agent 0.5-1.5 portions, and tackifier 4-6 portions. The invention is of low cost, strong adhesion, good sealing performance, good pumping effect, environmental friendliness, good lubrication and steadiness, is resistant to aging and oxidation, free from separation and dry contracting during the quality warranty period of the product.

The invention belongs to the field of mechanical vibration isolation and particularly relates to a multiple-degree-of-freedom vibration isolator and a multiple-degree-of-freedom vibration isolating system for an effective load and a satellite. The multiple-degree-of-freedom vibration isolator provided by the invention consists of a casing, a motion guide rod, a metal wire network material member,flexible hinges, a fine tuning spring, an upper casing end cover and a lower casing end cover and has the advantages of compact structure, reliable performance, long service life and the like. The vibration isolating system consisting of the vibration isolator arranged according to a certain geometry configuration is arranged between the effective load and the satellite and can be used for isolating the vibration transmitted to the effective load from each direction of a satellite platform; and the vibration isolator is connected with the effective load and the satellite through the flexible hinges, and thus a gap, collision and the like are avoided.

The present invention relates to a kind of high molecular solid/solid phase changing material with mixed net and comb structure, and features that polyglycol with two active end radical and polyglycol with one active end radical are fixed onto the high molecular skeleton material to form 3D mixed net and comb structure. The material of the present invention has relatively great phase change enthalpy up to 120 J/g, proper phase change temperature capable of being altered in 0-65 deg.c, stable solid state before and after phase change without supercooling, separating and other unstable phenomenon, high mechanical strength, high solvent resistance, good machining performance, no toxicity, no leakage, no corrosion, no pollution, long service life and other advantages. The present invention may be used widely in solar energy utilization, afterheat recovering, intelligent air conditioner and other fields.

The invention relates to a phase-shift diffraction/interference measuring instrument and a phase-shift diffraction/interference measuring method for detecting a three-dimensional shape of a microsphere, and belongs to the technical field of optical detection of three-dimensional shapes of space objects. Through the instrument and the method, the problems that the detection range of single measurement is narrow and an ideal sphere which serves as a reference surface is difficult to manufacture in the conventional way for detecting the microsphere are solved. The measuring instrument comprises a short-coherence laser, a half wave plate, a polarizer, a first quarter wave plate, a second quarter wave plate, a right angle delay prism, a polarization beam splitter, a polarization analyzer, an optical fiber coupler, a single-mode single-core optical fiber, a right angle phase-shift prism, a converging lens, a pinhole sheet, a knife-edge reflector, a microscope objective, a large-size charge coupled device (CCD) and a computer. According to the measuring method, a light path is formed by the measuring instrument, and the detected microsphere is adjusted to rotate so as to acquire shape parameters of the corresponding microsphere to ensure that the shape of the microsphere is detected. The measuring instrument and the measuring method are suitable for detecting three-dimensional shapes of microspheres.

The invention discloses a solar thermal power generation system by thermoelectric conversion, comprising a sunlight-concentrating and receiving module, a solar tracking module, a photothermal-conversion module for absorbing sunlight then transforming sunlight into thermal energy and a combination of semiconductor thermoelectric module, the combination-type cooling module is under the semiconductor thermoelectric module. In the invention, TE module can directly convert solar thermal and waste heat to electricity without heat transfer medium, heat storage tank, turbine, and mechanical moving part, thus realizing small scale, compact system with high efficiency; Due to the adopting of low concentrating lens with tracking system and compound waste heat supplying module, thus reducing floor area and effectively improving temperature difference and power generating efficiency of the overall system. In comparison with that of traditional solar thermal power generation system, the new system kept the advantages, including: low investment and low maintenance cost. In comparison with that of solar cell power generation system, the system has the advantages: large power in small area and possible in stable output; furthermore a heating source apart from solar energy is introduced to guarantee the stable current supply.

The invention provides an electrically operated valve, which uses a valve chamber forming component of the press forming piece to reduce cost, and the valve core does not misplace and incline relatively to the valve seat, thus not resulting in eccentric abrasion of the valve seat, valve leakage under closing valve state, undesirable valve vibration and noise, flow rate unevenness and sliding resistance increase, etc. The electrically operated valve includes: a shell (40); a rotor (30) configured on the internal circumference of the shell (40); a valve shaft (60) connected and fixed on the rotor (30); a valve core (61) arranged at the lower end of the valve shaft (60); a guide sleeve (80) configured in the shell (40) for guiding the lift of the valve shaft (60) and the valve core (61); a valve body (70), including a valve chamber forming component (74) and a valve seat component (72), wherein the valve chamber forming component is composed of a press forming piece and forms a valve chamber (71) for the fluid flowing in and out, while the valve seat component is composed of a cutting processing piece and provided with a valve seat part (72b) contacted with and separated from the valve core (61); and a thread feeding mechanism (16), resulting in contact and separation of the valve core (61) and the valve seat part (72b) by following the rotation of the rotor (30), the guiding part (73) for guiding the lift of the valve core (61) forms a whole with the valve seat component (72) through cutting processing.

The invention relates to a circular agriculture system and an implementation method thereof. According to a characteristic that different biological wastes can be highly efficiently cycled by various insects and small animals, an insect breeding factory is constructed; and insect and small animal proteasome and insect feces residue organic fertilizer are respectively utilized as an animal factory protein feed and a plant factory organic fertilizer. Therefore, carious animal and plant products with high added values can be produced with high yields. With modern advanced agricultural technologies and equipment, stereo cultivation is usually carried out with rare species, such that a unit yield of the types of factories reaches more than a hundred times that of conventional agriculture. With the products from the three types of factories, a wide variety of series downstream industry chain group can be developed, such that best economic benefit can be ensured. The three types of factories, downstream industry chain spaces and farmer residential spaces can be arranged in a rise building. The buildings can form a highly clustered production, management, residence, agriculture, industry and business integral community. With farmland novel industry and landscape designs outside the buildings, a novel intensive town is formed.

The invention provides a waterproof roll paver and a paving method, belongs to the technical field of waterproof rolls, and can solve the problems of easy pollution and easy fall of overlap edges of traditional wet paved rolls. The waterproof roll paver comprises a support device for supporting and sending out the waterproof rolls, a guide device for tensioning the waterproof rolls sent out from the support device, a driving device for towing the waterproof rolls guided out from the guide device to pave on a basal surface and driving the paver to move, and a pressing device for compacting the paved waterproof rolls. The waterproof roll paver can enable the overlap widths of the overlap edges of the waterproof rolls to be consistent, is free of leaking points, fall and pollution on the overlap edges, can realize continuous paving, can save the labor, improves the working efficiency, and greatly enhances the waterproof quality. The waterproof roll paver is suitable for paving various waterproof rolls, and specifically for wetly paving asphalt rolls.

The invention provides an API oil sleeve thread sealing grease composite. The components of the composite include 40-50 percent of basic grease, 5-10 percent of dimethyl silicon oil, 16.5-20 percent of crystalline graphite powder, 6-9 percent of polyfluortetraethylene, 0.5-1.0 percent of expansion graphite powder, 1-2 percent of white carbon black, 3-4 percent of sericite in powder, 3-4 percent oflight calcium carbonate and 10-15 percent of tin bronze powder according to the percentage accounting for in the weight of the sealing grease composite. The invention also provides a preparation method of the API oil sleeve thread sealing grease composite. The invention has the beneficial effects that among the components of the sealing grease composite, synthetic oil is taken as a substitute formineral oil, and therefore the low temperature fluidity of the basic grease is improved to facilitate the brush application in winter. The addition of high performance antirust to the basic grease ensures that pipe threading does not rust when oil sleeves and pipes are stored outside in long term. Without zinc powder added but with the consumption of copper powder increased and other wear-resistant materials added, the high temperature lubricity of the grease is guaranteed and the pipe threading of the oil sleeves and pipes is prevented from thread gluing when screwing together. With novel high efficiency sealing materials added in the components of the sealing grease composite, the leak tightness of the grease is guaranteed.

The invention relates to a non-contact mechanical end surface sealing structure, which comprises mechanical sealed movable ring and stable ring. While the end surface of stable or movable ring has micro groove and porous zone that symmetry according to the rotational center. Wherein, said zone is at the ascending part of end surface and the micro groove is at the descending part, which has a circular sealing dam beside it. The invention can be used in variable mediums to increase the ability of solid particle, the static pressure property, fluid dynamic pressure property and the pump adsorption property, to attain better sealing effect, with long service life.

The invention discloses a treatment system and a treatment process for organic waste gas boiler thermal incinerating. The treatment device comprises an absorbing device, a boiler fan, a boiler, a desulfurization, denitrification and dust removal device and a chimney which are sequentially connected, wherein a defroster, a waste gas draught fan, an emergency discharge controller and an air quantity balance compensator are arranged between the absorbing device and the boiler fan and are sequentially connected, the defroster is connected with the absorbing device, and the air quantity balance controller is connected with the boiler fan. The process has the advantage that on the premise of ensuring the purifying efficiency, by additionally arranging the defrosting treatment, the emergency discharge treatment and the air quantity balance treatment, the stability and safety of the whole treatment process are improved.

A heat dissipater employing inner liquid circulation mainly includes a heat sink, a heat dissipater, cooling liquid, a fan and a liquid driver; and is characterized in that a chamber is arranged in the heat dissipater; the heat sink and the liquid driver are arranged in the chamber; the cooling liquid forms enclosed inner circulation system in the heat dissipater chamber under action of the liquid driver; the heat dissipater is made of highly heat-conductive material; the heat sink and the fan are arranged on four walls or two walls of the heat dissipater, and a plurality of heat dissipating passages are arranged on inner wall of the heat dissipater. The invention has the advantages of adopting enclosed inner circulation cooling system, no requirement for pipeline connection, no leakage, convenient process, good cooling efficiency as well as high reliability.

The invention discloses a hermetic sealing program control testing stand, comprising a working platform, a clamping positioning device, a sealing plugging device, a gas source processing device, a compression gauge and an electric control cabinet. The clamping positioning device comprises a pedestal, a clamping air cylinder and a position limiting block; the output terminal of the clamping air cylinder is provided with a clamping block; the sealing plugging device comprises two sealing plugging mechanisms which are identical in structures; each sealing plugging mechanism comprises a support base, a sealing plug and a sealing plugging air cylinder; the output terminal of the sealing plugging air cylinder is fixedly connected to an installation block which is fixedly connected to the sealing plug through a gas channel joint and the sealing plug; the air inlet terminal of a gas processing device is in communication with an air source; the air outlet terminal is in communication connection with the corresponding gas channel joint of the sealing plugging mechanism through a first switch solenoid valve; and the corresponding gas channel joint of another sealing plugging mechanism is in communication connection with the pressure gauge. The hermetic sealing program control testing stand is simple in structure, easy in operation, low in manufacture cost, high in testing accuracy and wide in application range, and does not affect the pipe fitting quality during the detection process.

The invention discloses a parking brake relieving system of a railway vehicle. A parking braking check valve is arranged between a brake air cylinder and a parking brake control pulse valve; a normally open first cutout cock is arranged in the middle of an air path of an air suspension air cylinder towards a height valve and an air spring, and a pipeline leads out of the position between the air suspension air cylinder and the first cutout cock and is connected to the position between the parking brake check valve and the parking brake control pulse valve through a normally closed second cutout cock; after air pressure in the vehicle decreases to a certain value and parking brake is carried out automatically, a worker can introduce compressed air in the air suspension air cylinder into a brake by operating an on position and an off position of each cutout cock, and therefore parking brake of the brake is relieved. The parking brake relieving system of the railway vehicle can relieve parking brake of the vehicle by using the compressed air stored in the air suspension air cylinder on the vehicle when the vehicle has no power, relieve labor intensity of workers and bring convenience to operation and maintenance of the vehicle.

A method for producing fast-dry water self-stripping metal heat-treatment protective coating is carried out by putting boric acid 40.0-70.0 wt%, water resin 25.0-50.0 wt%, titanium pigment slurry 1.0-15.0 wt%, coloring pigment slurry 0.1-10.0 wt%, de-foaming agent 0.1-2.0 wt% and de-ionized water residue into stainless steel jar, high-speed dispersing to fineness below 50mu by agitator, filtering and packing to obtain final product. The precision metal work pieces have excellent oxidation and de-carbonizing resistances with air as medium for physical heat treatment, and have excellent cementation, aluminizing, siliconing and chromizing resistances with chemical substances as medium for chemical heat treatment. It has brushing and spraying functions, fast dry speed and better adhesion.

The invention relates to an experiment device used for an extra-high voltage alternating current-direct current gas insulated metal enclosed transmission line (GIL). The device is provided with the capabilities of electrification examination of an extra-high voltage alternating current and extra-high voltage direct current GIL unit segment under high voltage and large current, insulation property experiment of large size axial cylinder SF6 gas gap for the extra-high voltage alternating current and extra-high voltage direct current GIL, and flashover characteristic experiment of a pillar insulator and a disc insulator for the extra-high voltage alternating current and extra-high voltage direct current GIL, and can meet requirements for a fundamental research and the electrification examination of the extra-high voltage alternating current and extra-high voltage direct current GIL. The device comprises a left high-voltage and large current leading-in end, a right high-voltage and large current leading-in end, and a horizontal straight line section, wherein each high-voltage and large current leading-in end is vertically placed and comprises a high-voltage connection end, a high-voltage grading ring, a silicon rubber compound insulator high-voltage sleeve pipe, and a tower type cylinder, the horizontal straight line section comprises a horizontal unit cylinder, 3 disc insulators and one pillar insulator, and the horizontal unit cylinder is formed by axially arranging 4 grounded outer shells and a middle high-voltage guide rod.