41results about How to "Don't leak" patented technology

The present invention discloses one kind of completely water lubricated pure water hydraulic axial plunger pump/motor, which adopts filtered natural water, including fresh water and sea water, as work medium and consists of mainly one casing and one rotary cylinder inside the casing. The cylinder has odd holes parallel to the driving/outputting shaft and distributed in the same circle; plunger sliding shoe assembly with plunger inside the cylinder holes, flow distributing sleeve and floating thrust disc inside corresponding hole, center spring with one end holding the flow distributing disc and the other end holding the sliding shoe to the inclined disc, and driving/outputting shaft interference fitted to the cylinder. The device of the present invention has all the friction pairs lubricated and cooled with water, and has small radial size, small volume, light weight and great specific power.

The invention relates to an electrolyte and a lithium ion battery comprising the same. The electrolyte comprises an organic solvent, a lithium salt, vinylene carbonate, fluoroethylene carbonate and a combined additive, wherein the combined additive comprises the following raw materials by percentage: 0.1%-7% of propane sultone, 0.1%-7% of ethylene sulfate and 0.1%-9% of adiponitrile on the basis of total weight of the electrolyte. The electrolyte provided by the invention is applied to the lithium ion battery, so that the initial efficiency, the cycle performance, the high-temperature storage performance, the overcharge resistance performance and the safety performance of the lithium ion battery at high voltage of above 4.4V can be greatly improved.

The invention discloses a long glass fiber enhanced polypropylene composite material water meter casing and a manufacture method of the long glass fiber enhanced polypropylene composite material water meter casing. A thermal plastic composite material water meter casing comprises the following ingredients: blending alloy, auxiliary agents, color powder, antioxidants and ultraviolet absorbers, wherein the blending alloy consists of glass fiber, polypropylene and/or polypropylene modified materials. The thermal plastic composite material water meter casing made by adopting an injection molding forming process has the characteristics of high-temperature resistance, low-temperature resistance, impact resistance, creep deformation resistance, water pressure resistance, hydrolysis resistance, no heavy metal, long service life, low cost, environmental-friendly effect and the like, is easy to process and conforms to the industrial standard of the national plastic water meter casing material, so the thermal plastic composite material water meter casing is particularly suitable for large-scale industrial production and wide popularization and application.

The invention relates to a battery recovery method, in particular to a method for recovering copper and aluminum from waste secondary batteries, and aims to eliminate potential safety hazards and avoid leakage pollution in a battery treatment process by providing the method for recovering copper and aluminum from the waste secondary batteries. The method comprises is used for obtaining end products, namely copper and aluminum, in such manners as electric discharging, calcination, crushing, smashing, sieving, shaking separation and magnetic separation, so that the recovery and the utilization of copper and aluminum are realized. Compared with the prior art, the method provided by the invention has the advantages that due to the treatment process of crushing after calcination, that is, easy-to-decompose organic solvents and electrolyte solutions in the waste secondary batteries are decomposed and released through heating and calcination, and then crushing is carried out, so that leakage of organic matters and the electrolyte solutions can be avoided in the follow-up crushing process, treatment safety of follow-up procedures is guaranteed; according to the treatment process provided by the invention, not only is treatment safety realized, but also leakage of harmful substances is prevented, so that the effect of environmental protection is realized.

The invention discloses a dead livestock conveying vehicle. The dead livestock conveying vehicle comprises a chassis, a disinfecting system, a refrigerator, a goods box, a loading mechanism and a pedal mechanism, the goods box is mounted on the chassis, and the refrigerator and the loading mechanism are mounted in the goods box. The disinfecting system is located in the goods box, and the pedal mechanism is mounted on the goods box. The loading space of the conveying vehicle is large, and dead bodies can be automatically loaded and unloaded, when the livestock dead bodies are located, the deadbodies can be easily placed on any position in the goods box, the dead bodies are prevented from being stacked, and the work efficiency and the personnel health safety are greatly improved. The conveying vehicle is provided with the pedal mechanism, the goods box can be automatically connected with a pedal on the ground, conveying of the dead bodies and walking of personnel into and out of the goods box are facilitated greatly, and the pedal mechanism cannot interfere unloading of the dead bodies. The conveying vehicle is provided with the disinfecting system, double disinfecting and sterilizing of the goods box can be achieved through disinfecting liquid and ultraviolet lamp light rays, and breeding and reproduction of bacteria and viruses of the livestock dead bodies in the conveying process are limited.

The invention discloses a common seepweed herb tea substitute, and relates to tea substitutes. The common seepweed herb tea substitute comprises common seepweed herb, germinated brown rice, chicory root and unripe tangerine peel. The prepared common-seepweed-herb germinated-brown-rice unripe-tangerine-peel tea is yellowish green and bright in color, and organically integrates aroma of tea and rice; the common seepweed herb tea substitute preserves natural aroma of the common seepweed herb and the chicory, and is added with fragrance of the unpolished brown rice. And thus, the common seepweed herb tea substitute is fresh, mellow and palatable in flavor, as well as aromatic and thick in tea soup. The common seepweed herb tea substitute has greatly increased nutritional values and flavor, andis very characteristic in tea aroma; moreover, the common seepweed herb tea substitute has fragrance of the common seepweed herb, the unripe tangerine peel and the rice, and contains water-soluble polyphenols of the common seepweed herb, rich amino acids, minerals, a large amount of vitamin B and vitamin E and the like. And thus, the common seepweed herb tea substitute is capable of eliminating stress so as to make people relaxed, conditioning the constitution, promoting blood circulation, increasing intestinal peristalsis, lubricating the intestines, relaxing the bowels, relieving inflammation, and moistening dryness; moreover, the common seepweed herb tea substitute has the functions of resolving food stagnation and strengthening the spleen and the stomach, and is capable of improving serum uric acid level of the human body. And thus, the common seepweed herb tea substitute is an ideal drink for people with hypertension and hyperlipidemia.

The invention discloses a composite heavy packaging film, comprising, from exterior to interior, a kraft paper layer, a PET polyester layer, an AL layer and a three-layer co-extruded polyethylene layer. Compared with the prior art, the invention has the following advantages: through usage of a composite structure, AL of a barrier layer can be effectively protected and is prevented from easy fracture; through mutual cooperation of a plurality of substrates, the composite heavy packaging film has good environmental suitability and barrier properties and adapts to packaging of a variety of large-volume contents.

The invention relates to a method for detecting a dielectric liquid level in a closed porcelain cover through an ultrasonic non-interventive method. The method comprises the steps that before a comparison porcelain cover is filled with dielectric liquid media, first interface echo wave crests on all detecting points on the side walls of an upper section, a middle section and a lower section are collected, a solid and gas interface distance-wave amplitude curve is drawn, after the comparison porcelain cover is filled with the dielectric liquid media, the first interface echo wave crests on the detecting points are collected, a solid and liquid interface distance-wave amplitude curve is drawn, the first interface echo wave crests collected on the porcelain cover to be detected is compared with those of the curve, and therefore the dielectric liquid level is determined. According to the method for detecting the dielectric liquid level in the closed porcelain cover through the ultrasonic non-interventive method, it is guaranteed that all the positions of the porcelain cover have the same detection sensitivity, the detection sensitivity is high, measurement errors caused by probe coupling, porcelain cover external diameter change, probe nonlinearity and the like are eliminated, the reliability and consistency of detection are high, liquid is not leaked, the environment is not polluted, and the method is suitable for detection of the liquid levels in various closed porcelain covers.

The invention relates to a glass ceramic crystallization technology. In heating, crystallization and cooling processes, microwave heating systems and electric auxiliary heating systems carry out crystallization treatment on a glass ceramic product, temperatures of sections of a furnace are controlled through adjusting output power of the microwave heating system, and the balance of the product temperature and the temperature of a corresponding section of the furnace is realized through adjusting output power of the electric auxiliary heating system so that cracking of the glass ceramic product in crystallization is avoided. The main furnace body of a microwave heating glass ceramic crystallization device is orderly provided with a heating section, a crystallization section, a temperature reduction section and a cooling section from front to back. The sections are seal-connected. The tops of the heating section, the crystallization section and the temperature reduction section of the main furnace body are provided with microwave emission systems. The bottoms of the heating section, the crystallization section and the temperature reduction section are provided with the electric auxiliary heating systems. Temperature detection sensors are arranged in the sections of the main furnace body. An output signal is connected to a control system. The control system respectively controls and is connected to the microwave emission systems, the electric auxiliary heating systems and auxiliary systems.

The invention discloses a thin oil lubrication flange type vibration exciter. A balancing weight is fixed to an eccentric block through a bolt, a shaft penetrates center holes of all parts including the eccentric block, a labyrinth cover, a through hole cover, a shaft sleeve, an oil slinger, oil stirring teeth, a bearing chamber, bearings, an oil seal, an O-shaped rubber ring and a round nut, shaft heads at the two ends of the shaft are matched with couplings, the bearing chamber is in screwed joint to a vibration screen side plate through a flange, the bearings and the oil stirring teeth arearranged inside the bearing chamber, the bearings are located at the two ends of the oil stirring teeth, a through hole cover is in screw joint with the two sides of the bearing chamber, the labyrinthcover is arranged on the outer side of the through hole cover, the through hole cover is matched with the labyrinth cover to generate a labyrinth groove, the middle of the labyrinth cover and the shaft sleeve is sealed through the oil seal, the middle of the shaft sleeve and the shaft is sealed through the O-shaped rubber ring, the eccentric block is tightly arranged on the outer side of the labyrinth cover to be pressed tightly through the round nut. The novel thin oil lubrication flange type vibration exciter is small in size, compact in structure, even in lubrication, good in cooling effect and convenient to install and maintain, long-time stable running of the vibration exciter is guaranteed, the service life of the vibration exciter can be greatly prolonged, the working efficiency ofthe vibration exciter is greatly improved.

The invention discloses an intelligent monitoring warning small-size home-use grain barn, which comprises a grain barn top, a grain barn body, a data display, a No.1 monitoring device, a No.1 strut, a smoke warning device, a No.2 monitoring device, a No.2 strut, a No.3 monitoring device and a No.3 strut, wherein the smoke warning device is arranged on the top of the grain barn; the data display is arranged at the grain barn body; the No.1 strut, the No.2 strut and the No.3 strut are arranged at the bottom of the grain barn body; the No.1 monitoring device, the No.2 monitoring device and the No.3 monitoring device are respectively arranged on the tops of the No.1 strut, the No.2 strut and the No.3 strut; meanwhile, temperature and humidity sensors are built in the No.1 monitoring device, the No.2 monitoring device and the No.3 monitoring device; temperature and humidity data is regularly transmitted to the data display through data lines; the data display receives the temperature and humidity data. The intelligent monitoring warning small-size home-use grain barn has the advantages that the temperature and humidity change of the whole grain barn is monitored in real time; the data display is used for displaying and warning; the smoke warning device is used, so that greater loss due to fire hazards is effectively avoided.

The invention discloses an electromagnetic valve air tightness test device. The electromagnetic valve air tightness test device comprises a first cylinder, a first piston rod, a support, an electromagnetic valve fixing seat, a second cylinder, a connection rod, a ventilation sleeve, a second piston rod, a buffer head, an air inlet pipe, an oil tank and oil, wherein the first cylinder is fixed above the oil tank, the first piston rod stretches out from a lower side of the first cylinder, a lower end of the first piston rod is fixedly connected with the support, the support is provided with a transverse through hole, a right end of the support is fixedly provided with the electromagnetic valve fixing seat at the transverse through hole, a left end of the support is fixedly connected with thesecond cylinder through the connection rod, the second piston rod of the second cylinder stretches out rightwards and extends into the transverse through hole, and the second piston rod is internallyprovided with a center hole opened at a right end. The electromagnetic valve air tightness test device is advantaged in that the compressed air and the oil are employed to test air tightness of an electromagnetic valve, and compact structure, low cost, reliable action and high test efficiency are further realized.

The invention provides a ball valve simple in structure and having better tightness with extension pipes. The ball valve comprises a valve block, the extension pipes and a valve ball; the extension pipes extending into the valve block are disposed at two ends of a flow path of the valve block; the valve ball is disposed within the valve block; the valve ball is connected with the extension pipes through valve seats in ring shapes; the valve seats are embedded onto the inner peripheries of the ends, extending into the valve block, of the extension pipes; a seal ring is disposed between the periphery of each valve seat and the inner periphery of the corresponding end of the corresponding extension pipe.

The invention discloses an electroplating clamp quick in switching. The electroplating clamp quick in switching comprises a case consisting of an electroplating tank and a mechanical driving box, a motor is arranged on an upper end cover of the mechanical driving box and drives a first bevel gear which is meshed with a second bevel gear, and the second bevel gear and a rotary shaft are coaxial. A portion, extending into the electroplating tank, of the rotary shaft is provided with a clamping groove matched with a wedged end of a quick switching rod. An electroplating part is arranged on the quick switching rod, a conducting rod is arranged in a hollow portion of the rotary shaft, two ends of the conducting rod are provided with springs abutted against with the conducting rod, and the spring arranged at one end of the mechanical driving box is connected with an electric wire. The electroplating clamp quick in switching has the advantages that firstly, the electroplating part can be quickly switched without discharging electroplating liquid, and the motor can be started to operate only by about 10 seconds, so that convenience and quickness are achieved while production efficiency is greatly improved; and secondly, the case is integrally formed by melting polypropylene plates, so that corrosion, leakage and environment pollution are avoided.

The invention provides a preparation method of high-transparency conductive polyurethane based on ionic liquid, the preparation method is characterized by comprising the following steps: step 1, preparing a polyurethane prepolymer with a long chain segment under the action of a catalyst; 2, in a solvent, grafting double-bond groups on the two sides of the polyurethane prepolymer prepared in the step 1 under the action of the catalyst; 3, preparing an ionic liquid containing a double-bond group; 4, mixing and stirring the prepared polyurethane prepolymer grafted with double-bond groups on two sides with the ionic liquid containing the double-bond groups in a solvent; 5, introducing gas to remove oxygen from the mixture mixed in the step 4; and 6, adding an initiator into the mixture without oxygen, and carrying out heating polymerization in a mold. The prepared high-transparency conductive polyurethane has good mechanical performance, can bear the pressure of 100 MPa without being damaged, also has good flexibility and can reach the standard of a wearable flexible sensor.

The invention discloses a brazing type clamping sleeve connector which comprises a pipe connecting piece and a pipe sleeved in one end of the pipe connecting piece. Two ends of the pipe connecting piece are respectively a brazing end and a clamping sleeve end. A clamping sleeve is arranged on the inner side of the clamping sleeve end. The brazing type clamping sleeve connector has the advantages that one end of the brazing type clamping sleeve connector serves as the brazing end, and the other end of the brazing type clamping sleeve connector serves as the clamping sleeve end, so that the combined pipe connector is very convenient and reliable to use and is resistant to high pressure and free of leakage in use.

The invention provides modified plastic and a preparation method thereof. The modified plastic is prepared from the following raw materials in parts by weight: 60-70 parts of high-density polyethylene, 25-35 parts of ultrafine talcum powder, 1-2 parts of a lubricant, 1-2 parts of an oil mixture, 1-2 parts of zinc stearate, 0.2-1 part of a light stabilizer, 1-2 parts of an antioxidant and 3-5 partsof a polymer compatilizer. The modified plastic prepared through the preparation method has the advantages of being good in corrosion resistance, rigidity and transparency and good in impact resistance and flexibility, and a container valve rod made of the modified plastic is good in rigidity and impact resistance, high in strength, better in acid and alkali resistance, stable in size, not liableto deform, more compact in coordination, free of gas leakage, safe, reliable, long in service life and good in application and popularization values.

The invention relates to a multi-layer sealing ball valve for rail transit. The multi-layer sealing ball valve comprises a ball body, valve bodies arranged at the upper end and the lower end of the ball body, upper and lower valve covers arranged between the ball body and the valve bodies, a valve rod penetrating through the middle of the upper valve cover, and a handle fixed to the valve rod; multi-layer sealing structures are arranged between the valve covers and the valve bodies; multi-layer sealing structures are arranged between the valve rod and the valve bodies; the valve bodies are of a sinking table type structure, and sealing gaskets for sealing through extrusion of boss type structures on the valve covers are arranged on sinking tables; and hard-connected limiting structures are arranged between the valve covers and the valve bodies. By adopting the multi-layer sealing structures, the ball valve is not prone to leakage due to the change of environment or medium temperature, the reliability of the sealing structure at the valve rod of the ball valve is improved, the valve rod does not leak when the ball valve handle is frequently opened and closed, and the influence of mounting torsion can be avoided.

The invention relates to the field of related fastening devices for leaking stoppage under pressure in the chemical industry, and discloses a strong magnetic fastening device for leakage stoppage under pressure in a high-temperature environment and chemical equipment. The fastening device comprises a supporting frame, a fastening piece (3) and a strong magnetic pressing plate (4), wherein the supporting frame can be fixed to a leakage body (6); and the fastening piece (3) is connected to the supporting frame and can tightly press the strong magnetic pressing plate (4) on a leakage eliminating strong magnet (5) located on the leakage body (6). According to the strong magnetic fastening device, the strong magnetic pressing plate is compacted through the fastening piece, then leakage eliminating strong magnet is compacted, and the strong magnet which cannot maintain the sealing property for a long time in the high-temperature environment is fastened, so that the strong magnet can still maintain the sealing property after being demagnetized, and a leakage point medium is prevented from leaking after the strong magnet is demagnetized.