34results about How to "To achieve the sealing effect" patented technology

The invention relates to a water phase hole sealing agent and usage thereof. With the total weight as the benchmark, the water phase hole sealing agent comprises the following components by weight percent: 10-20% of alcohols, 0.02-0.05% of alcohol amine, 1.5-5% of ethers, 0.03-0.3% of 1-phenyl-5-tetrazole-thione, 0.01-0.1% of 2- mercaptobenzothiazole, 0.1-0.4% of polyvinylpyrrolidone, 0.1-2% of surfactant, and the balance of water. The alcohol amine, 1-phenyl-5-tetrazole-thione and 2- mercaptobenzothiazole are mixed for preparing the water phase hole sealing agent, due to the assist of water solution of alcohols, ethers, polyvinylpyrrolidone, surfactant, and pH modifier, the alcohol amine, 1-phenyl-5-tetrazole-thione and 2-mercaptobenzothiazole cooperate so as to realize unexpected hole sealing effect; according to the experimental data, the plated piece with holes sealed is not corroded after at least 96 hours of salt spray test, so that the water phase hole sealing agent is obviously improved in hole sealing effect compared with the existing hole sealing agent, and the corrosion resistance of the plated piece is remarkably enhanced.

The invention discloses a pre-grouting reinforcement method for a working face crossing through faults. The method comprises the following steps: step 1, pre-drilling a working face top plate in a fault passing area to form a pre-drilled hole; step 2, grouting the pre-drilled hole, and injecting a reinforcing material to seal a surrounding rock crack; step 3, after the reinforcing material is completely solidified, drilling the working face top plate to form medium-deep holes; step 4, grouting and injecting a reinforcing material into the middle-deep holes through a grouting device; step 5, after the reinforcing material is completely solidified, drilling the part, between the adjacent medium-deep holes, of the working face top plate to form a deep holes; and step 6, grouting the deep holethrough the grouting device. The method has the advantages that the reinforcement of the working face top plate is realized through pre-grouting, gas can be prevented from leaking from surrounding rock crack, and the later gas extraction effect is improved; and in addition, the deep hole and the medium-deep holes are combined with a two-step grouting process, so that the phenomena of side fallingand roof leakage of the top plate when the working face crosses through the fault are prevented.

The invention provides a spraying device for pavement spreading. The spraying device for pavement spreading comprises a car hopper and a sealing mechanism; an agitator tank is placed on the car hopper; a mixing tank and a water storage tank are placed on the agitator tank; both the mixing tank and the water storage tank are connected with the agitator tank through valves; a material spraying rack is placed behind the car hopper under the agitator tank; a mortar pump is arranged between the material spraying rack and the agitator tank; the material spraying rack is a long strip-shaped pipeline material spraying rack; a plurality of pressure accumulators connected with the material spraying rack are arranged under the material spraying rack; atomizing nozzles are arranged under the pressure accumulators and connected with the pressure accumulators; an agitating shaft which runs through the agitator tank, is arranged in the agitator; a plurality of agitating blades are fixedly arranged on the agitating shaft; an agitating scraper is fixedly arranged on the agitating shaft; the agitating scraper is of an arc shape and propped against the inner wall of the agitator tank; the number of the sealing mechanism is more than 1. The spraying device for pavement spreading has the advantages that the agitation of the agitator tank in the device is comparatively uniform, accurate ratio of an ingredient to water is guaranteed through the adoption of a weighing module, and an ultra-thin sealing effect is achieved.

The invention provides an intelligent agricultural irrigation system, which includes an irrigation area, an irrigator, a console, a water tank, a water injection machine, and a water level test sensor. The water level test sensor is arranged inside the water tank, and a main delivery pipe is embedded on one side of the water tank, and The other side of the water tank is embedded with an auxiliary conveying pipe, one end of the main conveying pipe is provided with a water injection machine, and one side of the auxiliary conveying pipe is provided with a water pump, and the water pump, water injector and water level test sensor are all connected to the console signal through hidden wires , the other end of the auxiliary conveying pipe is connected with an irrigator, and the irrigator is arranged in the middle of the irrigation area. Through the internal design of the console, the present invention allows users to remotely control the irrigation system by using electronic devices such as mobile phones through Bluetooth wireless connection, so as to achieve the effect of easy operation.

The invention relates to a sealing device, in particular to a fully automatic precise sealing device for polymer chips. The invention provides a fully automatic and precise polymer chip sealing device which can cool the chip after sealing the chip, making it more convenient to take it out manually, and is fully automatic, and only needs to place and take out the chip manually. The invention provides such a fully automatic precise sealing device for polymer chips, which includes a casing, an air pump, a first fixed frame, a first movable plate, a first fixed plate, a sealing ring, a first movable rod, a first Spring, etc., the lower part of one side of the housing is equipped with an air suction pump. The chip is clamped by the first rubber plate. After the chip is clamped, the two chips are driven by the power mechanism to be bonded together. After the two chips are bonded together, the chip can be heated and sealed by the heating plate, so that Realize the effect of sealing the chip.

The invention relates to a sealing device, in particular to a full-automatic precise sealing device for polymer chips. According to the full-automatic precise sealing device for the polymer chips, the chips can be cooled after being sealed, manual taking-out is more convenient, full-automatic operation is achieved, and only the chips need to be manually placed and taken out. The full-automatic precise sealing device for the polymer chips comprises a shell, a sucking pump, a first fixing frame, a first movable plate, a first fixed plate, a sealing ring, a first movable rod, a first spring and the like, wherein the sucking pump is installed on the lower portion of one side of the shell. The chips are clamped through first rubber plates, after the chips are clamped, the two chips are driven to be attached to each other through a power mechanism, after the two chips are attached to each other, the chips can be heated and sealed through a heating plate, and then the effect of sealing the chips is achieved.

The invention relates to a hole sealing agent for preparing an Fe-based amorphous coating by HVOF. The hole sealing agent is prepared from tetrafluoroethylene, absolute ethyl alcohol, nano-scale Al2O3, mica filler, a dispersing agent and a film forming aid. The preparation method comprises the following steps: (1) mixing 50 parts of polytetrafluoroethylene and the absolute ethyl alcohol according to a volume ratio of 1 to 2, adding 25 parts of the nanoscale Al2O3, and ultrasonically and uniformly dispersing; (2) in an ultrasonically-dispersed mixture, adding 10 parts of the mica filler, 5 parts of the dispersing agent and 5 parts of the film forming aid, adding an appropriate amount of an absolute ethyl alcohol solvent to adjust the viscosity; and (3) placing all materials in the previous step into a high-speed dispersing machine, uniformly dispersing, filtering, sealing, standing, and preparing the needed hole sealing agent. By adopting a hole sealing method, the porosity and crystallization problem can be effectively solved.

The invention relates to a water phase hole sealing agent and usage thereof. With the total weight as the benchmark, the water phase hole sealing agent comprises the following components by weight percent: 10-20% of alcohols, 0.02-0.05% of alcohol amine, 1.5-5% of ethers, 0.03-0.3% of 1-phenyl-5-tetrazole-thione, 0.01-0.1% of 2- mercaptobenzothiazole, 0.1-0.4% of polyvinylpyrrolidone, 0.1-2% of surfactant, and the balance of water. The alcohol amine, 1-phenyl-5-tetrazole-thione and 2- mercaptobenzothiazole are mixed for preparing the water phase hole sealing agent, due to the assist of water solution of alcohols, ethers, polyvinylpyrrolidone, surfactant, and pH modifier, the alcohol amine, 1-phenyl-5-tetrazole-thione and 2-mercaptobenzothiazole cooperate so as to realize unexpected hole sealing effect; according to the experimental data, the plated piece with holes sealed is not corroded after at least 96 hours of salt spray test, so that the water phase hole sealing agent is obviously improved in hole sealing effect compared with the existing hole sealing agent, and the corrosion resistance of the plated piece is remarkably enhanced.

The invention discloses a sealing connecting piece for inward-rotation type grating plates. The sealing connecting piece comprises one set of grating plates. The grating plates include a pair of upper supporting arm and lower supporting arm, wherein the upper supporting arm and the lower supporting arm are horizontally arranged in parallel. The two ends of the upper supporting arm and the two ends of the lower supporting arm are connected through fixing plates respectively. A filtering membrane plate is arranged between the upper supporting arm and the lower supporting arm. An upper sealing coupling piece is arranged at the upper end of the upper supporting arm, and a lower sealing coupling piece is arranged at the lower end of the lower supporting arm. The upper sealing coupling piece and the lower sealing coupling piece between the adjacent grating plates are connected in a staggered manner. A sealing strip is arranged between the upper sealing coupling piece and the lower sealing coupling piece. According to the sealing connecting piece for the inward-rotation type grating plates, the sealing effect during equipment operation can be effectively achieved, the grating plates cannot be blocked, the filtering efficiency is high, maintenance is reduced, and operation cost is reduced.

The invention provides modified poly (propylene carbonate), which comprises a cross-linked poly (propylene carbonate) with polyphenyl polymethylene polyisocyanates as a cross-linking agent, as well as a polymer of hexanedioic acid and 1,2-propylene glycol ester, wherein the mass ratio of poly (propylene carbonate) to the polyphenyl polymethylene polyisocyanates is 100:(0.1-2), and the mass ratio of the cross-linked poly (propylene carbonate) to the polymer of hexanedioic acid and 1,2-propylene glycol ester is 100:(5-20). A preparation method of the modified poly (propylene carbonate) comprises the following steps: blending and extruding the poly (propylene carbonate) and the polyphenyl polymethylene polyisocyanates to obtain the cross-linked poly (propylene carbonate); and blending and extruding the cross-linked poly (propylene carbonate) and the polymer of hexanedioic acid and 1,2-propylene glycol ester to obtain the modified poly (propylene carbonate). The modified poly (propylene carbonate) provided by the invention is good in thermal stability, high in tensile elongation at break, good in transparency and capable of being biodegraded completely.

The invention provides a polypropylene carbonic ester compound and a preparation method thereof. The polypropylene carbonic ester compound comprises polypropylene carbonic ester, poly1,2-propanediol succinate and maleic anhydride, and the weight ratio of the polypropylene carbonic ester, the poly1,2-propanediol succinate and the maleic anhydride is 100:4-100:0.1-1. The polypropylene carbonic ester compound has higher tenacity and has the break elongation rate of 1,108%, and the material has higher transparency. Since the polypropylene carbonic ester and the poly 1,2-propanediol succinate havecomplete biodegradation, the polypropylene carbonic ester compound has higher tenacity and keeps the transparency and the complete biodegradation. Furthermore, the polypropylene carbonic ester material has wider application space.

The invention belongs to the technical field of hot dipping, and particularly relates to a double-frequency electromagnetic field cooperative flow sealing device and system for hot dipping. The flow sealing device comprises a three-phase traveling wave magnetic field generator and a single-phase alternating magnetic field generator, wherein the three-phase traveling wave magnetic field generator is arranged on the outer side of a flow sealing distribution channel, and the single-phase alternating magnetic field generator is arranged below the three-phase traveling wave magnetic field generatorand below the liquid level of a plating solution at the bottom of the flow sealing distribution channel. And the frequency of the three-phase alternating current introduced into the three-phase traveling wave magnetic field generator is lower than that of the single-phase alternating current introduced into the single-phase alternating magnetic field generator. The flow sealing device can generate traveling wave electromagnetic force based on a traveling wave magnetic field and electromagnetic repulsion based on a single-phase alternating magnetic field, and through the combined action of thetraveling wave electromagnetic force and the electromagnetic repulsion, large electromagnetic force can be provided to counteract the gravity borne by the plating solution, the plating solution can be stabilized, and liquid leakage caused by uneven stress due to flowing deformation of the plating solution under the influence of workpiece movement is avoided.

The invention provides an inner engaging gear pump used for a stopper of a petroleum machinery oil tube with an over-small hole in an oilfield. The other end of a shell body is matched with a right support and then fixedly connected with a right end cap, a full-moon-shaped supporting block is arranged in the shell body, and an inner gear ring is arranged in the full-moon-shaped supporting block; a left floating side plate is arranged on the left side of the inner gear ring, a right floating side plate is arranged on the right side of the inner gear ring, and a right support is arranged between the right floating side plate and the right end cap; a lip-shaped sealing ring is arranged between the right support and the right end cap, a gear shaft is eccentrically arranged in the inner gear ring and engaged with the inner gear ring, and a first sliding bearing is arranged among the shell body, the right support and the gear shaft; a second sliding bearing is arranged among the left floating side plate, the right floating side plate and the gear shaft, a crescent-shaped plate is arranged between the gear shaft and the inner gear ring, and a crescent-shaped plate fixing pin is arranged between the left floating side plate and the right floating side plate; and a crescent-shaped plate stopping pin is arranged between the left support and the right support, and a full-moon-shaped supporting block fixing pin is fixed on the left support and has a fixing impact on the full-moon-shaped supporting block.

The invention belongs to the technical field of sealing for alcohol extraction kettles, and particularly relates to a combined sealing device for a quick-open type alcohol extraction kettle. The device comprises a sealing end seat and a cover plate, wherein seat grooves are concavely formed in adjacent surfaces of the cover plate and the sealing end seat respectively; a first heat insulation sealing seat, a sealing ring and a second heat insulation sealing seat are successively arranged on stacking surfaces of the insides of the seat grooves in an adhered manner; and annular grooves are concavely formed in the inner side surface and the outer side surface of the sealing ring respectively, so that a wavy-line-shaped or comb-teeth-shaped structure is formed on the axial cross section of the sealing ring. The device further comprises a hoop, a bayonet is concavely formed in an inner ring surface of the hoop coaxially, sink slots or notches are annularly and concavely formed in the outer walls of the cover plate and the sealing end seat correspondingly, and the hoop applies a force in the axial direction to press the cover plate and the sealing end seat. The device has the advantages of reasonable structure, convenience in mounting and capability of being used repeatedly. Requirements of sealing of equipment under the working conditions of high temperature and high pressure can be met effectively, the working reliability is high, and the service life can be guaranteed effectively.

The invention discloses an inward rotating type grating chain wheel side edge sealing part. The sealing part comprises a pair of chains and a set of grating plates arranged in the chains; a sealing plate is arranged on the inner side of a fixed plate, and a connecting plate is arranged on the outer side of the fixed plate; the grating plates are fixed to the inner sides of the chains through the connecting plate; and the chains are covered with a fixed frame, a ring of adjusting fixed frame capable of displacing is arranged on the outer side of the fixed frame, and a ring of polymer sealing part is arranged on the inner side of the fixed frame and tightly attached to the connecting plate. The inward rotating type grating chain wheel side edge sealing part is simple in structure, long in service life, capable of effectively playing a sealing effect during equipment running, high in filtering efficiency and easy to maintain and reduces the operation cost.

The invention discloses an inward rotating type grating chain wheel side edge sealing part. The sealing part comprises a pair of chains and a set of grating plates arranged in the chains; a sealing plate is arranged on the inner side of a fixed plate, and a connecting plate is arranged on the outer side of the fixed plate; the grating plates are fixed to the inner sides of the chains through the connecting plate; and the chains are covered with a fixed frame, a ring of adjusting fixed frame capable of displacing is arranged on the outer side of the fixed frame, and a ring of polymer sealing part is arranged on the inner side of the fixed frame and tightly attached to the connecting plate. The inward rotating type grating chain wheel side edge sealing part is simple in structure, long in service life, capable of effectively playing a sealing effect during equipment running, high in filtering efficiency and easy to maintain and reduces the operation cost.

The invention relates to an intelligent sewage tank. A frame is arranged inside a tank body, a rotating shaft is arranged between the front end of a top frame and the rear end of the top frame and is provided with a sliding plate, the sliding plate is provided with a fixed frame, a motor is arranged inside the fixed frame, a gear is connected at the top part of a sticking wheel, a fixed plate is arranged at the front end of the bottom of the sliding plate, a stepping motor is arranged at the upper-right part of a rack, the rack is provided with thermally conductive silicone rubber, the sliding plate is provided with a heating plate, a threaded rod is arranged at the front end of an upright column, a support arm is arranged on the threaded rod, a stabilization frame is arranged at the upper part of the left end surface of the support arm, a motor is arranged at the front end of the inside of the stabilization frame, a roller is arranged at the rear end of the stabilization frame, the frame is provided with a cutting mechanism, and two rotating sticking wheels are arranged in a support frame. The intelligent sewage tank has a simple structure, can be operated flexibly and conveniently, can ensure the opening success rate, makes the loading process be smooth, can open the garbage bag through cooperation of the sticking wheel and the rotating wheel, can achieve a sealing effect by the heating plate and the thermally conductive silicone rubber, and can ensure the garbage not to be dispersed in a transporting process.

The invention discloses a gas drainage and sealing device, which includes a gas drainage pipe, wherein the gas drainage pipe is provided with a first fixed rigid baffle and a second fixed rigid baffle, and the first fixed rigid baffle is a A first solid rubber body is arranged on one side of the second fixed rigid baffle, and a second solid rubber body is arranged on one side of the second fixed rigid baffle, and the outer circumference of the gas drainage pipe between the first solid rubber body and the second solid rubber body forms a receiving cavity A telescopic mechanism for deforming the first solid rubber body and the second solid rubber body is arranged in the accommodating cavity. Squeeze the first solid rubber body and the second solid rubber body of the gas drainage and sealing device through the telescopic mechanism, so that the radial deformation of the solid rubber body increases to achieve the sealing effect and reduce the cost of sealing and gas drainage; The hole sealing device is easy to operate and has remarkable effects, which can prevent external air from entering the extraction borehole, effectively reduce the cost of hole sealing, and improve the quality and efficiency of the two-time sealing of the hole.