112results about How to "To achieve the effect of repeated use" patented technology

The invention discloses a waste water treatment agent. The waste water treatment agent is prepared by using the following steps: 1, mixed fermenting, culturing and collecting pseudomonas pseudoalcaligenes and saccharomyces cerevisiae thalli; 2, mixing polyvinyl alcohol, calcium alginate, acrylyl and water according to a mass ratio of (6-15):(0.5-1.5):(3-5):100 to obtain a polyvinyl alcohol hydrosol, and adding the collected pseudomonas pseudoalcaligenes and saccharomyces cerevisiae thalli into the polyvinyl alcohol hydrosol to form a mixed solution; 3, adding the mixed solution into a saturated boric acid solution containing N'-methylene bisacrylamide CaSO4 by using a peristaltic pump to form a gel bead, cooling and unfreezing the gel bead, then cooling and unfreezing the gel bead again, placing in phosphate with the mass concentration of 0.2-0.5 g / L to obtain an immobilized cell bead with a spherical appearance and an internal porous mesh structure. The invention also discloses a method for treating waste water by using the treatment agent. Different heavy metals are well adsorbed.

The invention discloses a high-molecule filter screen cleaning device for an air purifier and relates to the field of filtering technology application. The high-molecule filter screen cleaning devicecomprises a casing and a drying mechanism, wherein a water supplying mechanism and a controller are connected to the top of the casing, the left end of the casing is fixedly connected with a fan, anda ventilation opening is formed in the right end of the casing; a filter core, an isolating mechanism, a cleaning mechanism and a filter screen are sequentially connected into the casing from left toright; the drying mechanism is fixedly connected to the middle position of the filter screen, the cleaning mechanism is connected with the water supplying mechanism through a flexible pipe, and the controller is electrically connected with the isolating mechanism, the cleaning mechanism, the drying mechanism and the water supplying mechanism. According to the high-molecule filter screen cleaning device for the air purifier disclosed by the invention, the filter screen is additionally arranged in front of the filter core to intercept particles in air, so that service life of the filter core isprolonged; furthermore, when the particles on the filter screen is too many, the cleaning mechanism and the drying mechanism are utilized to clean the particles on the filter screen, an effect that the filter screen is recycled is achieved, and use cost is reduced.

The invention relates to an antibacterial reusable air purification filter net and a preparation method thereof. The antibacterial reusable air purification filter net comprises a non-woven fiber supporting layer, a filter layer, an antibacterial layer and a covering layer which are sequentially hot-pressed and composited from bottom to top; the filter layer comprises a PTFE filter film; and the antibacterial layer comprises a chitosan antibacterial nanofiber membrane. Chitosan adopted by the antibacterial layer in the air purification filter net is a deacetylation product of chitin, is natural biopolymer linear polysaccharide, and is a rare positively-charged high-molecular polymer in nature, thus the situation that secondary pollution is caused by mass propagation of microorganisms adsorbed on the air purification filter net can be prevented, meanwhile, the air purification filter net can be washed through a detergent or washing powder without any reduction in performance, and thus the problem that a traditional filter net adsorbs dust for a long time, or bacteria breed, and consequently indoor secondary pollution is caused is completely solved.

The invention provides a stay cable saddle positioning device. The device comprises a base, supporting rods with one ends hinged to the base respectively, and a telescopic support, wherein the supporting rods are hinged to the other end of the telescopic support, and a bearing plate used for accommodating a cable saddle is connected to the upper end of each supporting rod. A stay cable saddle positioning method adopting the positioning device comprises the steps of 1, arranging an elevation point on the outer side of a stiff skeleton at the top end of a well poured tower column, and determining the positioning elevation of the cable saddle according to the elevation point; 2, adjusting the length of the telescopic support to enable the angle of each supporting rod to be consistent with the angle of a sub-steel-pipe; 3, giving off a center cross line of a main tower by means of a total station after tower column construction is finished, determining the direction of the cable saddle by means of a plumb, and installing the cable saddle; 4, re-checking the coordinates of the positioning key points of the cable saddle by means of the total station, adjusting the position of the cable saddle, fixing the cable saddle, and dismounting the positioning device. By the adoption of the device and method, cable saddle positioning precision is ensured, project quality is guaranteed, and working efficiency is improved.

The invention discloses a radial inclination compressive strength test device for a round-section concrete-filled steel tube and belongs to the field of structural engineering. The device is characterized in that by combination of a main foundation, an auxiliary foundation, a roller frame and the like, the radial inclination load of the concrete-filled steel tube is positioned in a vertical direction. When simple vertical load is applied to concrete-filled steel tube test blocks by a loading end head and a loading rod, the test stimulation of the inclination load transmitted by radial inclination limb rod pieces and applied to the test blocks is realized; and by the design of the circular arc surface of the auxiliary foundation, the round-section test blocks are effectively supported. The internal force of the rod pieces is tested in real time by using a load sensor; and strain data, deformation data and other data of the test blocks in the test process are obtained by using a strain gauge, a displacement meter and other measurement instruments. Different test blocks can be replaced conveniently, so that the device can be used repeatedly. The device is suitable for the strength test and the research of the round-section concrete-filled steel tube rod pieces in truss, tower, and lattice structures in the radial inclination load.

The invention relates to a drilling water stop. The difference of the drilling water stop lies in that the water stop comprises a right-hand threaded grouting pipe and a left-hand threaded grouting pipe; the grouting pipes are connected through right-hand and left-hand threaded couplings; an installation steel ring capable of moving up and down along the grouting pipe at the upper part is arranged on the grouting pipe at the upper part; a plurality of strips of round steel are uniformly arranged along a circumferential direction on the installation steel ring; the tail ends of the round steel are connected with arc-shaped thick steel sheets; matched rings, conical steel sleeves respectively provided with a smaller upper end and a bigger lower end and a plurality of rubber sleeves are sequentially arranged on the grouting pipe at the lower part from top to bottom; a washer is respectively arranged between every two adjacent rubber sleeves; limit steel rings for limiting the positions of the rubber sleeves are fixedly arranged on the tail end of the grouting pipe at the lower part; the conical steel sleeves, the rubber sleeves and the washers can move up and down along the grouting pipe at the lower part; when ascending, the arc-shaped thick steel sheets can support the matched steel rings; the arc-shaped thick steel sheets can clamp the conical steel sleeves. According to the drilling water stop, the water stopping and grout stopping effects are good, the detachment is convenient, and the use cost is low.

The invention discloses an application of modified polyurethane sponge in repair of non-aqueous organic-phase liquid contaminated soil and a repair method of the non-aqueous organic-phase liquid contaminated soil. The modified polyurethane sponge can be repeatedly used, adsorbed substances can be recycled only through physical extrusion, and elasticity and adsorption capacity of the sponge can berecovered, so that an effect of reutilization is achieved. Meanwhile, the modified polyurethane sponge is a biodegradable material, and secondary pollution to the soil is avoided. The modified polyurethane sponge provided by the invention has super-strong hydrophobicity, can selectively adsorb a non-aqueous organic-phase and repel water phase, and has a notable adsorption effect on non-aqueous organic-phase liquid in the soil, and the preparation method is simple and is easy to implement. The preparation method of the modified polyurethane sponge is simple, and the raw materials are easy to obtain. The modified polyurethane sponge provided by the invention is matched with a surfactant for use, so that a better removal effect is achieved on the non-aqueous organic-phase liquid in the soil,the repairing time is shorter, and repairing efficiency is higher.

The invention discloses a filter bag dust collector, and belongs to the technical field of dust removal. In view of the problem of uneven distribution of smoke on the surface of a filter bag in an existing filter bag dust collector, the filter bag dust collector comprises a case and a filter plate, the filter plate is provided with the filter bag, the filter plate is installed above the inside ofthe case, two vertical flow passage partition plates are disposed under the filter plate, and the two flow passage partition plates divide the case into a smoke flow passage and two dust removal chambers. The collector increases the smoke flow distance and the residence time through the two flow passage partition plates, adds an airflow uniforming device, makes the smoke flow over to uniformly cover the entire dust removal chambers, and has the advantages of improving the surface area utilization rate of the filter bag, improving the dust removal efficiency and reducing filter bag wear probability.

The invention relates to a monitoring system of a riverbed structure. The monitoring system is used for monitoring structural change of an underwater riverbed and outputting a sensing signal corresponding to the structural change of the riverbed. The monitoring system comprises an H-shaped support unit and at least one monitoring unit, wherein, at least part of the H-shaped support unit is buriedinto the riverbed; and the monitoring unit is arranged in the H-shaped support unit and buried into the riverbed. The monitoring unit sends out the sensing signal when the monitoring unit is exposed outside the riverbed in the case of the structural change of the riverbed, and then the structural change of the riverbed can be learned through analysis of the sensing signal so as to facilitate subsequent processing and warning.

The invention provides a temperature-controlled magnetic tweezer device comprising a microscopic imaging apparatus, a magnetic tweezer apparatus, a sample pool, a central monitor, a sample bench and a temperature control apparatus, wherein the magnetic tweezer apparatus comprises a magnetic tweezer and a magnetic tweezer controller, and the magnetic tweezer is horizontally arranged at a side surface of the sample pool and controlled by the magnetic tweezer controller. One end of a biological single molecule is connected to a sidewall away from the magnetic tweezer in the sample pool, and the other end is connected with a paramagnetic magnetic ball which passes through the magnetic tweezer controller. The sample bench is provided with a sample pool groove for accommodating the sample pool, wherein the sample pool is arranged in the sample pool groove, and the sample bench is prepared by heat-conductive materials. According to the invention, a temperature control function of the sample pool is improved, the controller and semiconductor refrigeration sheets, as well as the heat-conductive sample bench and heat dissipation units can be used to heat or cool, and finally a target temperature in the sample pool can be achieved. The sample pool is a nearly integral structure, thereby being simple in manufacturing steps, convenient to clean, capable of repeatable use, material-saving, and good in sealing.

The invention relates to the field of municipal public facilities, in particular to a well lid with a safety warning device. The well lid with the safety warning device comprises the well lid, the warning device and a support device; connecting rods connected with a well wall are arranged on two sides of the support device; the warning device is mounted between the well lid and the support device; the warning device includes a warning box; a compressed gas box is arranged at the bottom of the warning box; a separation plate for stopping gas leakage is arranged at the upper part of the compressed gas box; a through hole connected with the compressed gas box is formed in the middle position of the separation plate; extension springs are arranged on two sides of the upper part of the separation plate; a slide plate is arranged at the upper parts of the extension springs; a lifting rod matched with the through hole is arranged in the middle position of the slide plate; and an exhaust port is formed in the outer side between the separation plate and the slide plate, and is connected and provided with a warning airbag. The device prevents loss of the well lid and accidental falling of pedestrians and vehicles into a pit, and reduces the danger.

The invention discloses a waste paper recycling utilization device. The waste paper recycling utilization device comprises a machine body shell. The upper end of one side of the machine body shell isprovided with a paper inlet. A paper supporting plate is arranged below the outer side of the paper inlet. A scanning device is arranged in the machine body shell. A conveying device is arranged belowthe scanning device. An ink removing device is arranged below the conveying device. A flattening device is arranged below the ink removing device. The waste paper recycling utilization device has thebeneficial effects of being simple in structure and high in practicality.

The invention relates to an umbrella flexible draw linked building structure, comprising one upright (1), four braced structures (2) and a flexible material roof (3), wherein the upright (1) is a square hollow steel structure, the middle of the upright is provided with a downpipe (1-2) to solve the water draining problem of the roof, the four sides of the upright are provided with grooves (1-1), each braced structure (2) is composed of six steel member bars, and the stability and interlinking performance of the structure are achieved by controlling the rotating direction and angle of each node used for connecting the steel member bars; and when the building structure is unfolded, the flexible material roof (3) is in a hopper shape that the center is low and the four sides are slightly high, rainwater flows toward a central upright (1), and the rainwater flows to underground by virtue of the downpipe (1-2) at the middle of the of the central upright (1). The umbrella flexible draw linked building structure not only has an elegant appearance in an umbrella structure to obtain a spatial structure of a greater column grid but also can be freely opened and closed, regular drainage is formed, and the building structure can be widely applied to a large-scale outdoor show-type building.

The invention relates to the field of environment-friendly recycling, in particular to a recycling device of an oiliness plastic bag. The technical problem to be solved is to provide a recycling device of an oiliness plastic bag. The recycling device of the oiliness plastic bag includes a transporting cutting mechanism, a deoiling separation breaking mechanism, a working table, a device protectiveshell, a plastic bag, and a control display screen. The transporting cutting mechanism and the deoiling separation breaking mechanism are arranged in the working table, the upper part of the workingtable is connected with the device protective shell, the transporting cutting mechanism is connected with the plastic bag, and the working table is connected with the control display screen. Accordingto the device, the problem that the oiliness plastic bag can not separate inner oiliness liquid so that the oiliness plastic bag can not be recycled is solved, and the purpose of protecting an environment can be achieved.

The invention relates to an exhibition animation interaction display method and device and a readable storage medium, and the method comprises the steps: obtaining a plurality of local feature information of a target object, and splicing the local feature information to obtain complete feature information; performing element extraction on the target image animation, and modifying the target image animation according to real information to obtain a target image animation; making the image animation according to image layers so as to obtain a complete character image according to the image layers; basic skeleton data are imported, and the position of the skeleton and the position of each sub-layer image are adjusted, so that the skeleton and the sub-layer image are matched to obtain an erected skeleton; performing action debugging on the erected skeleton to obtain a skeleton image; capturing an actual picture, recognizing human skeletons in the actual picture, recognizing skeleton nodes to recognize human actions, and matching the human actions with corresponding role images; building an entity environment according to the actual picture, and packaging and outputting the built entity environment and the matched role image to a display device. According to the method, interaction can be realized, and meanwhile, animation resources can be repeatedly utilized.

The invention provides a smoke treatment process used for garbage incineration. The smoke treatment process aims at overcoming the defect that a smoke treatment process used for garbage incineration in the prior art is not reasonable, and consequently the removing effect on harmful substances in smoke is poor. The invention aims at providing a technical method for treating incineration smoke, and the method can be used for effectively conducting stabilized treatment on incineration smoke with complex composition variation.

The invention relates to an advertisement program list delivery method and system, and belongs to the technical field of computers, and the method comprises the steps: receiving a setting request of the advertisement program list, and creating a loop playlist and a timed playlist; obtaining at least one loop playing program, and sequentially adding the loop playing programs to the loop playing list; obtaining at least one timed playing program, and adding the timed playing program to the timed playing list; setting a timing period and a playing priority of the timing playlist and a playing priority of the loop playlist; and sending the timing play list and the loop play list to a display terminal, so that the display terminal plays an advertisement program. The setting process of the advertisement program list can be simplified, and the time cost and the labor cost in the putting process of the advertisement program list are reduced.

The invention provides a diamond cavity pressing device with a liquid nitrogen cooling system. The liquid nitrogen pump sucks liquid nitrogen in a liquid nitrogen bottle into a liquid nitrogen coolinglantern ring through a liquid nitrogen inlet, the temperature and the cooling rate of a sample bin in the liquid nitrogen cooling lantern ring are controlled, the thermocouple detects the real temperature of the sample bin and feeds back the real temperature to an external computer, the external computer compares the difference value between the real temperature of the sample bin and the set temperature, the rotating speed of the liquid nitrogen pump and the power of the heating furnace are controlled, and a target temperature and a cooling rate and / or a heating rate of the target temperatureare obtained. The diamond cavity pressing device is advantaged in that the sample bin is close to the liquid nitrogen cooling lantern ring, the liquid nitrogen pump cools a sample through liquid nitrogen, the temperature can be reduced to-190 DEG C or below at least, and the circulation rate of the liquid nitrogen is adjusted through the rotating speed of the liquid nitrogen pump, so the temperature and the cooling rate of the sample bin are controlled.

The invention discloses an organic fertilizer production deodorization system which comprises a fermentation workshop and a deodorization towel. The deodorization towel comprises an adsorption chamber, a spraying chamber and an exhaust chimney from bottom to top. A plurality of layers of supporting frames are fixedly connected in the adsorption chamber, an adsorbent is laid on the supporting frames, a plurality of breathable pipes for being connected with the adsorption chamber and the spraying chamber are arranged at the bottom in the spraying chamber, and a spiral spraying pipe is arranged in the spraying chamber. The workshop top of the fermentation workshop is fixedly connected with a sprinkler pipe. The adsorbent in the adsorption chamber adsorbs and removes substances in gas, such as skatole; the gas enters the spraying chamber through the breathable pipes, EM bacteria in water mist can further remove odor in the gas, ammonia and hydrogen sulfide gas in the gas are soluble in water, and the gas in the spraying chamber is discharged out through an exhaust chimney, so an deodorization effect is achieved.

The invention discloses graphene oxide aerogel fiber fabric as well as a preparation method and application thereof, and belongs to the technical field of nano material assembly and air filtration. The preparation method comprises the following steps of dispersing graphene oxide into a solvent, oscillating is carried out for uniform mixing, and carrying out ultrasonic treatment to obtain a graphene oxide solution; injecting the obtained graphene oxide solution into a rotary coagulating bath through a spinning head, and washing the graphene oxide solution with deionized water after coagulationto obtain graphene oxide gel fibers; and carrying out extraction filtration on the obtained graphene oxide gel fibers to obtain gel fiber fabric, and carrying out freeze drying to obtain the grapheneoxide aerogel fiber fabric. The graphene oxide aerogel fiber fabric as well as the preparation method and the application thereof have the advantages of environment-protecting preparation process, room-temperature operation, low energy consumption and the like, and the prepared product has a hierarchical porous structure formed by nanoscale gaps and micron-sized holes, is high in filtering efficiency and good in PM2.5 capturing performance, and has a wide application prospect in the field of air filtration.

The invention discloses a double-U type buffering support and a manufacturing method of the double-U type buffering support. The double-U type buffering support comprises double-U type components. Each double-U-type component comprises a U-shaped component and a reversed-U-shaped component, wherein one open end of the U-shaped component and one open end of the reversed-U-shaped component are connected, the length of the connected side of the double-U type component is larger than the sum of lengths of the open sides of the double-U type component, the connected side of the double-U type component is fixedly connected to the outer side of a first circular ring, the open end of the reversed-U-shaped component is fixedly connected to the inner side of a second circular ring, and the open endof the U-shaped component is fixedly connected to the inside of a third circular ring. The invention further discloses a manufacturing method of the double-U type buffering support. According to the manufacturing method, steel is cut into steel strips with different lengths, widths and thicknesses, the steel strips are bent into the reserved-U-shaped components, the U-shaped components and three different circular rings, each reserved-U-shaped component and each U-shaped component are welded into the double-U-shaped component, and then the circular rings and the double-U-shaped components arewelded into the double-U type buffering support. The double-U type buffering support has the advantages of being large in buffering deformation travel, high in impact bearing capacity and reusable.

The invention discloses a glass yarn splitting method for electronic-grade glass fiber cloth and a product thereof. The splitting method comprises the following steps of S1, uniformly spraying liquid carbon dioxide on the glass fiber cloth, and obtaining pre-split glass fiber cloth through a constant-temperature water bath; and S2, carrying out spunlace splitting treatment on the pre-split glass fiber cloth to obtain the split glass fiber cloth. According to the splitting method for the electronic-grade glass fiber cloth provided by the invention, liquid carbon dioxide pre-splitting is applied before a spunlace splitting method, so that the surface of the glass fiber cloth is uniform and flat, and the thickness is greatly reduced.

The invention relates to a self-recovery multi-direction stretching type energy absorption superstructure. The self-recovery multi-direction stretching type energy absorption superstructure comprises a plurality of energy absorption superstructure single bodies, each energy absorption superstructure single body comprises a support and a cosine structure, each support comprises four connecting columns of the same structure, one ends of the four connecting columns are connected with the same point, and the included angles between any two adjacent connecting columns are the same; the other ends of any two adjacent connecting columns are respectively connected with one cosine structure; and external connecting structures are arranged on the sides, away from the supports, of the cosine structures, every two adjacent energy absorption superstructure single bodies are connected through the corresponding external connecting structure, and all the cosine structures on each energy absorption superstructure single body are connected with the cosine structures on the adjacent energy absorption superstructure single body through the corresponding external connecting structure. According to the self-recovery multi-direction stretching type energy absorption superstructure, energy of impact vibration can be greatly absorbed through the stretching phase change process, and the impact vibration reduction requirement of a target object is met.

The invention discloses an anti-toppling mechanical device and method for an internal suspension stay wire holding pole. The anti-toppling mechanical device mainly comprises a triggering mechanism and an anti-toppling mechanism, the triggering mechanism comprises a triggering box, the triggering box is installed on the holding pole, a channel is formed in the triggering box, the middle of the channel is low, the outer side of the channel is high, a triggering ball is installed at the low position of the channel, a groove is formed in the high end of the channel, a pressure sensor is arranged in the groove, the anti-toppling mechanism comprises a plurality of supports, the upper portion of each support is hinged to a longitudinal beam of the holding pole, a first electromagnet and a second electromagnet are installed on the lower portion of each support, When each first electromagnet is powered on and the corresponding second electromagnet is powered off, the first electromagnet and the holding pole are attracted and fixed, and when each first electromagnet is powered off and the corresponding second electromagnet is powered on, strong springs unfold the supports to abut against an iron tower. According to the anti-toppling mechanical device and method for the internal suspension stay wire holding pole, the internal suspension stay wire holding pole is prevented from toppling, it is guaranteed that a tower body is not damaged, and constructors are not injured.

The invention discloses a metal hand mold applied to a butyronitrile glove production line. The metal hand mold comprises a first palm, a second palm is fixed to one side of the first palm, an arm module is arranged between the first palm and the second palm in a sleeving mode, and the upper end of the arm module extends to the position between the first palm and the second palm; and partition plates are jointly fixed to the peripheral side walls in the arm module. The invention further provides a production method of the metal hand mold applied to the butyronitrile glove production line, andthe production method comprises the following steps: S1, manufacturing a hand mold machine body: designing and manufacturing the butyronitrile metal hand mold, and according to design requirements, dividing the mold processes into two types, namely a stamping mold or a hydraulic mold. According to the metal hand mold and the production method, metal materials such as high-purity aluminum alloy / magnesium alloy can be used as material, the energy-saving effect can be effectively achieved, the material is not easy to break and wear, the service cycle is long, meanwhile, the material can be repeatedly used, solid wastes are avoided, the raw materials can be recycled, and the cost is reduced.

The invention discloses high-precision separation equipment for ores, and belongs to the field of ore production. The high-precision separation equipment comprises a cover shell, a feeding port is formed in the top of the cover shell, materials entering from the feeding port fall into a second supporting plate, a lifting cutter is arranged on the lower part of the second supporting plate, the cutmaterials are pushed by a push plate on one side of the second supporting plate and pass through a third screen, the fine materials fall into a first discharge channel from the third screen, the coarse materials fall into a second discharge channel through the third screen, a secondary cutting device is arranged on the upper part of the second discharge channel, the materials fall down along an inclined fourth screen after secondary cutting, the fine materials fall into a fourth discharge channel and enter a second material receiving box, and the coarse materials fall into a first material receiving box through the fourth screen; and a loose-leaf plate is arranged on the lower part of the first discharge channel to support the materials, so that the lifting cutter can fall for cutting again, and after cutting, the loose-leaf plate rotates downward to discharge the materials on an inclined second screen of a fifth discharge channel.

The invention relates to an inflatable foot protection device. The inflatable foot protection device comprises a sole protection air cushion, an instep protection air cushion and a heel protection aircushion, and is characterized in that the sole protection air cushion is in a hump shape, the sole protection air cushion is fixedly connected with a T-shaped sliding rail, the T-shaped sliding railis movably connected with a foot pad limiting block, the foot pad limiting block is fixedly connected with a rubber foot pad, the sole protection air cushion is fixedly connected with a telescopic rubber band, the telescopic rubber band is fixedly connected with the instep protection air cushion, and the instep protection air cushion is fixedly connected with a hook-and-loop fastener layer. Compared with the prior art, the flushing type disinfection device for wound treatment has the advantages that the whole protection device is divided into two parts of a foot sole and an instep, the recycling effect can be achieved when the protection device is detached and washed, resources are saved, and the protection device is quite convenient to wear and not prone to falling off.