99results about How to "Reduce stacking" patented technology

The invention belongs to the technical field of railway tracks, and particularly relates to a steel rail fastener mounting method which comprises the following steps: step 1, placing sleepers; secondly, baffle seats are placed on the sleepers; step 3, placing the under-rail backing plate; fourthly, the gauge apron is placed; 5, installing a W-shaped elastic strip; sixthly, the screw spikes sequentially penetrate through the W-shaped elastic strips and the gauge aprons to be in threaded connection with the pre-embedded sleeves, and a pre-assembled fastener system is formed; seventhly, the pre-assembled fastener system is moved to a track construction installation position; eighthly, the screw spikes are unscrewed, the gauge apron is lifted to buckle one end of the under-rail cushion plate, the steel rail is laid, and the gauge apron is put down; and ninthly, the screw spikes are tightened, and assembling is completed. Parts are placed in order, and the parts are not prone to being missed and lost; and when the sleeper is carried into a rail construction installation position from the side of the rail, the W-shaped elastic strip can be used as a hanging point, so that the sleeper can be conveniently carried on site, the efficiency is high, and the potential safety hazard during sleeper carrying is greatly reduced.

The invention relates to automatic cutting equipment for an aluminum material and a cutting process of the automatic cutting equipment, and relates to the technical field of aluminum material production equipment. The cutting device comprises a machine body and a cutting knife arranged on the machine body, a pushing air cylinder used for driving the cutting knife to conduct feeding motion is arranged on the machine body, a feeding table is arranged on the machine body, and a conveying roller set used for conveying materials towards the cutting knife is rotationally arranged on the feeding table; a material stacking frame for storing materials is arranged on one side of the machine body, and the material stacking frame is obliquely arranged in the direction of the feeding table; a material arranging assembly used for reducing material accumulation is arranged on the material stacking frame, a feeding assembly is arranged on the material stacking frame and used for moving a single material to the feeding table, and the feeding assembly is located on the side, facing the feeding table, of the material arranging assembly; a positioning assembly is arranged on the feeding table and used for positioning materials on the feeding table. The aluminum material cutting device has the effects that automatic feeding is convenient and fast, and the aluminum material cutting efficiency is improved.

The invention discloses a signal synchronous acquisition and measurement embedded device and an early warning system, and the device comprises a signal acquisition position determination module which is used for determining the installation position of each sensor in a signal acquisition module; the signal acquisition module is used for acquiring electromagnetic field signals in the GIS; the signal processing front end is used for carrying out signal conditioning on the electromagnetic field signal transmitted by the signal acquisition module and transmitting the conditioned signal to the analog-to-digital converter; the analog-to-digital converter is used for converting the conditioned signal into a digital signal from an analog signal and then transmitting the digital signal to the signal measurement module; the signal measurement module is used for monitoring the digital signal based on strong correlation characteristics obtained through pre-screening, and obtaining a full time domain oscillogram containing a time domain oscillogram and a frequency domain oscillogram of a partial discharge signal when it is determined that the partial discharge signal is monitored, and the strong correlation characteristics comprise a time domain strong correlation characteristic and a frequency domain strong correlation characteristic; according to the invention, high-precision synchronous detection of GIS partial discharge time domain full-waveform data can be realized.

The invention provides a mine filling cement material capable of cementing high-content phosphate tailings as well as a preparation method and a use method thereof, relates to the technical field of mine filling materials, and solves the technical problems that the existing mine filling cement material cannot shorten the setting time and improve the setting strength of the material while reducing the bleeding rate. The high-strength concrete is prepared from the following components: 40 to 45 weight percent of slag, 7 to 10 weight percent of metakaolin, 8 to 10 weight percent of yellow phosphorus slag, 0 to 5 weight percent of phosphogypsum, 35 to 40 weight percent of cement clinker, 1 to 5 weight percent of exciting agent and 1 to 5 weight percent of mineral admixture, the mineral admixture is prepared from bentonite, sepiolite and attapulgite. According to the invention, the setting time can be effectively shortened, the bleeding rate is effectively reduced, the filling time is shortened, the underground drainage and filling cost is reduced, the pollution to the water environment of a mining area is reduced, the effective utilization of the phosphate tailings is realized, and the stacking of the phosphate tailings and the environmental pollution are reduced; the condensation speed and the strength of the filling body can be effectively improved; the comprehensive performance of the material is improved.

The invention provides an iron tailing-based geopolymer grouting material and a preparation method thereof. The iron tailing-based geopolymer grouting material comprises the following components in parts by weight: 30-60 parts of iron tailing powder, 15-45 parts of slag, 10-20 parts of fly ash, 5-8 parts of desulfurized gypsum, 17-33 parts of water glass, 2-4 parts of NaOH, 70-80 parts of water and 0.8-1 part of a water reducing agent. According to the iron tailing-based geopolymer grouting material disclosed by the invention, the iron tailings can be used as a gelling admixture to be applied to a geopolymer system, so that the application range of the iron tailings is widened, and a large amount of stockpiling of the iron tailings is reduced; meanwhile, the iron tailing powder, the slag, the fly ash and the desulfurized gypsum are used as main raw materials, mechanical ball milling and alkali excitation are used as activation modes, carbon emission caused by high-temperature calcination activation is avoided while solid waste is digested, the 28d strength of the prepared grouting material can reach 6.94 MPa, the goaf filling requirement is met, and the grouting material has good flowability and is suitable for being used as a grouting material. The material can effectively replace a cement-based material for goaf filling.

This utility model relates to the field of wheat sorting technology and discloses a gravity grading and destoning machine for wheat sorting, including a sorting box, a vibrating base, a feeding assembly, and a chip removal assembly. The vibrating base is located at the bottom of the sorting box, and the feeding assembly is located at the top of the sorting box. The sorting box has two screen plates arranged vertically at intervals inside. The chip removal assembly includes a collection box fixedly installed on the back of the sorting box. A chip suction hood is fixedly installed above each screen plate inside the sorting box. A chip suction pipe is connected between the chip suction hood and the collection box. A fan is fixedly installed on one side of the collection box, and a filter screen is fixedly installed on the side of the collection box near the fan. By setting up the chip removal assembly, this utility model can remove wheat bran and other dust from wheat during the screening process, improve the sorting quality of wheat, and prevent dust from spreading into the surrounding environment and causing pollution.

The present invention relates to a method, device, system, equipment and medium for simultaneously transmitting different types of audio, the method comprising collecting original audio data; processing the original audio data to obtain a first audio signal and a second audio signal of different types; transmitting the first audio signal to a first signal processing device, transmitting the second audio signal to a second signal processing device, the first signal processing device is different from the second signal processing device, and the first signal processing device transmits the first audio signal to the second signal processing device. The advantages are that dual signals are sent to a mixing device through a single device, which reduces equipment stacking, improves stability, reduces failure rate, reduces maintenance and operation difficulty, and reduces purchase cost and use cost; the dual signals do not affect each other, achieving the effect of efficient transmission; on-site wiring is simple, with fewer types of cables, making the site more concise.

The invention provides an oscillating circuit of an MEMS resonator. A bias circuit provides direct current bias voltage and tail current source bias voltage of PMOS cross coupling pair transistors for a main oscillator core circuit; therefore, each branch in the main oscillator core circuit can be connected in series with only three transistors, and the three transistors can realize the function of generating oscillation sine wave signals by the main oscillator core circuit without stacking more transistors; the number of series transistors is small, the working voltage of the main oscillator core circuit is correspondingly reduced, the main oscillator core circuit can work in a low power supply voltage environment, the power consumption of the main oscillator core circuit is reduced, and in other words, the oscillation circuit of the MEMS resonator provided by the invention can improve the reliability of the MEMS resonator on the premise of ensuring low phase noise and providing the same negative resistance. Therefore, the power consumption of the oscillator is reduced, and the quality factor of the oscillator is improved.

The utility model discloses a textile waste disinfection device, including shell and replacement mechanism, the interior of shell is provided with disinfection cabin, the inner wall of disinfection cabin is provided with disinfection lamp and nozzle, the replacement mechanism includes replacement barrel, partition frame and partition plate, the partition frame and partition plate are both arranged in the replacement barrel, and the replacement barrel is provided with the disinfection lamp and the nozzle. A connecting plate is arranged on the inner wall of the replacement barrel and used for positioning the partition frame and the partition plate. According to the fabric disinfection device, the replacement barrel, the partition plate and the partition frame are arranged in a matched mode, multiple pieces of fabric can be placed in different partition areas respectively during disinfection, stacking of the fabric is reduced, the driving disc, the disinfection device and the spray head are matched, the replacement barrel can be driven by the driving disc to rotate, steam is sprayed out through the spray head for disinfection, and the disinfection effect is good. And dead angles in the disinfection process are reduced.

This utility model relates to the field of steel plate component technology, specifically a steel plate component stacking equipment, including a frame with multiple sets of clamping plates installed on it, and baffles and recessed support plates distributed between each set of clamping plates; a transfer component is also installed on the inner side of the frame. This steel plate component stacking equipment, through the coordinated action of the transfer component and the pushing component, achieves automatic transfer, positioning, and stacking of steel plate components, reducing manual intervention and significantly lowering the labor intensity of workers. The clamping plates and baffles define the stacking boundaries, the support plate of the pushing component cooperates with the recessed support plate to clamp the steel plates from both sides, and the pushing plate and auxiliary plate of the transfer component ensure longitudinal positioning, ensuring neat stacking and avoiding the risk of slippage due to tilting, while also reducing storage space occupation. The waist hole design of the side plates and clamping plates allows for adjustment of the position of the baffles and clamping plates, and the adjustment holes of the auxiliary plates allow for adjustment of their installation position, enabling the equipment to adapt to the stacking needs of steel plate components of different sizes.

The invention provides a preparation method of sulfentrazone and a catalyst, and belongs to the technical field of organic chemistry. The intermediate and methylsulfonyl chloride are subjected to a heating reflux stirring reaction under the action of a catalyst, and sulfentrazone is prepared; the catalyst is a compound formed by depositing magnetic ferroferric oxide and Cu and Co elements after the surface of a wrinkled graphene oxide sheet is modified by tannic acid and doping La elements. The method for preparing sulfentrazone is simple, avoids harsh conditions of high temperature and high pressure, is safe and environment-friendly, avoids environmental pollution, and the catalyst is easy to separate, reusable, high in catalytic activity, high in reaction raw material conversion rate, high in product yield, few in side reaction, high in product purity and wide in application prospect.

The application provides a display panel and a display device. The display panel has a display area, a bending area and a binding area. The bending area is located between the display area and the binding area. The display panel comprises a display substrate and a touch protection layer. The touch protection layer is arranged on the light-emitting side of the display substrate. The touch protection layer extends from the display area to the binding area through the bending area. The display panel provided by the application enables the touch protection layer to cover the part of the display substrate located in the bending area. The touch protection layer can replace the film layer of the part of the display substrate located in the bending area. The touch protection layer can effectively disperse stress during the bending process of the display panel, thereby improving the bending performance. Meanwhile, the overall laminated layer and thickness of the bending area can be thinned, which is conducive to the design of products with smaller bending radius and can also reduce the material cost.

This invention discloses Ni2Fe(SO4) 0.5 (OH)6(H2O) 3.85 This paper discusses / NF catalysts, their preparation methods, and applications, belonging to the field of catalyst synthesis technology. Using large-size nickel foam as a substrate, Ni₂Fe(SO₄) is directly prepared through one-step in-situ microwave-driven growth. 0.5 (OH)6(H2O) 3.85 The nanosheet array eliminates the need for subsequent loading or additional processing, simplifying the process and enhancing the bond between the catalyst and the substrate. This catalyst exhibits excellent performance in hydrogen production via water electrolysis, particularly in seawater electrolysis.

The invention discloses an embedded device for synchronous signal acquisition and measurement and an early warning system, comprising a signal acquisition position determination module for determining the installation position of each sensor in the signal acquisition module; a signal acquisition module for acquiring electromagnetic field signals inside a GIS; a signal processing front end for performing signal conditioning on the electromagnetic field signals transmitted by the signal acquisition module, and transmitting the conditioned signals to an analog-to-digital converter; an analog-to-digital converter for converting the conditioned signals from analog signals into digital signals and then transmitting them to a signal measurement module; a signal measurement module for monitoring digital signals based on strong correlation features obtained in advance screening, and obtaining a full time domain waveform diagram including a time domain waveform diagram and a frequency domain waveform diagram of the partial discharge signal when it is determined that a partial discharge signal is monitored, wherein the strong correlation features include time domain strong correlation features and frequency domain strong correlation features; the invention can realize high-precision synchronous detection of GIS partial discharge time domain full waveform data.

The present application relates to the technical field of road engineering pavement materials, in particular to a composite asphalt regenerant, a preparation method, a use method and an application thereof.The regenerant comprises, by mass percentage, 30-70% of aromatic component oil, 15-50% of hydrogenated base oil, 5-10% of a curing accelerator, 3-10% of a low-temperature stabilizer, 0.5-3.0% of an antioxidant, 0.5-5.0% of a diluent and 1-5% of an ammonium ion stabilizer.The present application significantly reduces the viscosity of the regenerant through multi-component synergy, realizes normal-temperature construction in all seasons, effectively restores the penetration and softening point of aged asphalt, delays secondary aging through the synergy of the antioxidant and the ammonium ion stabilizer, and simultaneously enhances the low-temperature crack resistance and initial strength of the recycled mixture, and is suitable for plant-mixed hot recycling, in-place hot recycling and cold recycling processes.

The present invention relates to the technical field of recycled aggregate screening, and specifically to a recycled aggregate screening and dust removal device and method. The present invention adds a dust removal device on the basis of the screening device, and removes dust in a closed environment to avoid pollution to the environment. Through the screening device, the circulation device, the collection chamber and the dust removal device, the circulation screening, secondary screening, aggregate classification and dust removal can be achieved by one-key start, which greatly reduces the labor cost and time cost. The structure is ingenious. When the aggregate enters the screening device, the centrifugal action causes the recycled aggregate to undergo centrifugal movement. During the movement, the corresponding size of the aggregate will enter the corresponding collection chamber through the discharge port. This circulation device can perform multiple circulation screening on the same batch of aggregates to ensure the accuracy of aggregate screening; in addition, the present invention divides aggregate screening, aggregate collection and dust removal into three parts, which are clear at a glance, simple and beautiful.

The invention relates to the technical field of concrete preparation, in particular to an environment-friendly recycled concrete preparation process which comprises the following components: recycled concrete aggregate, a hydroxyapatite-graphene composite material, rice hull ash, recycled plastic particles, fly ash, slag powder, Portland cement, medium sand, a water reducing agent and water. By selecting the recycled aggregate, introducing the high-performance additive and the novel composite material and optimizing the preparation process, the invention aims to prepare the recycled concrete with excellent mechanical properties, good durability and environmental protection performance, and the novel recycled concrete not only has wide market application prospects, but also has wide application prospects. And powerful technical support can be provided for green transformation of the building industry.

The invention discloses a nickel-selenium co-doped molybdenum disulfide catalyst loaded on carbon paper, and a preparation method and application thereof. The preparation method first prepares nickel-doped molybdenum disulfide (Ni-MoS2) and NaHSe solutions respectively. A nickel source, a molybdenum source and a sulfur source are stirred evenly in deionized water and then placed in a polytetrafluoroethylene-lined autoclave containing clean carbon paper for hydrothermal reaction to obtain a Ni-MoS2 catalyst; in an inert atmosphere, selenium powder and sodium borohydride are completely reacted in anhydrous ethanol, and then deionized water is added to obtain a NaHSe solution. The NaHSe solution is transferred to a polytetrafluoroethylene-lined autoclave containing Ni-MoS2 for solvothermal reaction to obtain a nickel-selenium co-doped molybdenum disulfide catalyst loaded on carbon paper, and applied to an electrocatalytic hydrogen evolution reaction. This method has the characteristics of simple preparation, low cost and environmental friendliness.

The invention relates to a Ti3C2Tx / Fe2O3 / CNTs humidity-sensitive material and a preparation method thereof, Ti3C2Tx is used as a template, through hydrothermal reaction with FeCl3, Fe2P3 is generated and is self-assembled to the surface of Ti3C2Tx, a Ti3C2Tx / Fe2P3 material is finally formed, the Ti3C2Tx / Fe2P3 material and a uniform aqueous dispersion of carbon nanotubes ( / CNTs) are fully mixed, the materials are assembled together through Van der Waals force, and the Ti3C2Tx / Fe2O3 / CNTs composite material is obtained. Ti3C2Tx has abundant surface properties and excellent structural stability, an ideal platform is provided for generation of Fe2O3 nanoparticles, and CNTs are connected with all Ti3C2Tx / Fe2P3 lamellar structures to form a continuous and stable conductive network. A network structure formed by connecting the CNTs is like an electron transmission'highway ', so that the overall resistance change of the material caused by water molecule adsorption / desorption can be extremely sensitively transmitted out, and the signal response of the sensor is amplified. According to the preparation method, the humidity sensitive material with high sensitivity and excellent responsiveness can be obtained, the preparation process is simple, and the humidity sensitive material can be practically applied to the fields of industry, environmental monitoring, medical treatment and the like.

The utility model relates to an intelligent insect condition monitoring device which is characterized by comprising a top cover, a supporting column and an intelligent monitoring box which are sequentially connected from top to bottom, a trap lamp and a lampshade are arranged between the top cover and the intelligent monitoring box; an automatic insect trap is arranged in the intelligent monitoring box; the automatic insect trap comprises an insect sliding funnel arranged at the top of the intelligent monitoring box and a low-pressure processing bin arranged in the intelligent monitoring box; an air inlet section and an air outlet section are respectively arranged on the left and right sides of the low-pressure treatment bin; an outlet in the bottom of the insect sliding funnel is connected to the air inlet section through a conveying pipe; the conveying pipe is provided with a bladeless fan; when the intelligent insect situation monitoring device operates, airflow blown out of the bladeless fan is blown into the low-pressure treatment bin in an obliquely upward mode along the conveying pipe, and after penetrating through the middle of the low-pressure treatment bin and the airflow filtering module, the airflow is pumped away from the draught fan and discharged out of the low-pressure treatment bin. The technical problems that an existing intelligent pest situation monitoring device is poor in sorting effect on pests of different body types, and the pest bodies are prone to stacking and covering are solved.

The invention discloses alkali-activated foam concrete as well as a preparation method and application thereof, and relates to the technical field of building materials. The alkali-activated foam concrete is prepared from the following raw materials in parts by mass: 45 to 70 parts of mineral powder, 1 to 3 parts of first alkali activator, 8 to 15 parts of second alkali activator, 5 to 10 parts of alkali sealing treatment agent, 0.5 to 1.0 part of fiber, 15 to 30 parts of water, 0.5 to 2.0 parts of foaming agent, 0.1 to 0.5 part of foam stabilizer and 0.1 to 0.5 part of water reducing agent. According to the technical scheme, ordinary Portland cement and special cement are replaced with mineral powder, the lightweight and high-strength foam concrete material is prepared according to the alkali excitation principle, the cracking phenomenon of foam concrete can be relieved and eliminated, the stability of the slope surface can be improved, and by means of the mixed alkali activator, the alkali sealing treatment agent and the low-alkali-amount formula, the slope surface is more stable. The alkalinity of the foamed concrete can be reduced, and the survival rate of slope plant cultivation can be improved, so that the problem that different plants are difficult to grow on the slope can be solved.

The present application relates to the technical field of filter material preparation, and particularly relates to a wear-resistant blended gradient needle-punched filter material and a preparation method, which comprises the following steps: S1, preparing a first mixture and a second mixture; S2, respectively laying the first mixture and the second mixture to obtain an inner layer and an outer layer; S3, hooking and bonding the outer layer and the inner layer by pre-punching to obtain a base material; S4, vacuum impregnating the base material in an impregnation liquid for h; S5, treating the base material in step S4 at 80-120 DEG C for 15-30 min; S6, applying a finishing agent to the surface of the base material treated in step S5 by padding; S7, treating the base material treated in step S6 at 150-200 DEG C for 3-5 min; and S8, laying a PTFE microporous membrane on the base material treated in step S7. The filter material prepared by the present application has high transverse breaking strength and longitudinal breaking strength, and excellent filtering efficiency.

The invention discloses an improved whale optimization algorithm and SVRM short-term icing prediction method based on a random forest, and the method comprises the steps: (1) obtaining all micrometeorological data and the equivalent icing thickness thereof, carrying out the mapping along with a time sequence, preprocessing the data, and dividing the data into a training set and a test set; (2) analyzing the influence of each meteorological factor on icing growth based on a random forest algorithm, obtaining an icing influence rate through the random forest algorithm, and taking the characteristic quantity with the high influence rate as an input characteristic quantity; (3) initializing a support vector machine regression model; (4) adding stage position updating in the basic whale optimization algorithm, and adding adaptive weight for improvement; (5) optimizing a kernel parameter and a penalty factor of the support vector machine regression model by using an improved whale algorithm; and (6) reconstructing a support vector machine regression model by using the obtained optimal parameters, training the support vector machine regression model by using the training set, testing the input of the test set, obtaining a final icing prediction value, and performing error calculation on a prediction result.

The utility model relates to the technical field of differential separation, in particular to a differential separator which comprises a rack, a conveying device, a high-speed servo motor, a low-speed servo motor, a first speed reducer and a second speed reducer. The two conveying devices are installed on the machine frame, the two conveying devices are symmetrically arranged left and right, the first speed reducer used for driving the conveying devices to move is installed on one of the conveying devices, and the high-speed servo motor used for driving the first speed reducer to rotate is installed on the first speed reducer; the second speed reducer used for driving the conveying device to move is installed on the other conveying device, and a low-speed servo motor used for driving the second speed reducer to rotate is installed on the second speed reducer. The conveying device has the advantages that the problem that products are stacked or fall off in the conveying process is solved, the resource consumption of the workbench is reduced, and the working efficiency of workers is improved.

The invention provides a graphene full-biodegradable polyolefin composite material and a preparation method thereof, and relates to the technical field of environmental degradable material preparation. According to the preparation method of the graphene full-biodegradable polyolefin composite material, graphene oxide is pretreated to form organic matter grafted graphene oxide, then the organic matter grafted graphene oxide is subjected to melt blending with polyolefin, and polyolefin is grafted on the surface of graphene oxide, so that the compatibility of the graphene oxide and a polyolefin material is improved; the graphene is uniformly dispersed in a polyolefin matrix, agglomeration is avoided, stacking of graphene sheet layers is reduced, the structure of the composite material is stable, and meanwhile, oxygen-containing functional groups on the graphene oxide are beneficial to improving the biodegradation rate. The invention provides the graphene full-biodegradable polyolefin composite material prepared by the method. And in the use period, the biodegradable plastic has good stability and safety, and also has good biodegradability.

The utility model discloses a GIS-used insulator power frequency withstand voltage partial discharge test tool comprising a substrate, the bottom of the substrate is symmetrically and rotatably provided with two groups of pulleys, a plurality of insulators used for testing are arranged above the substrate, an upper cover plate is commonly arranged above the plurality of insulators, and the upper cover plate is arranged above the plurality of insulators. A connecting seat is fixedly arranged at one end of the upper cover plate, a conducting rod is arranged on the connecting seat, and one end of the conducting rod extends out of the upper cover plate. According to the utility model, insulation torsion bars, insulation cylinders and other insulators with different sizes and models can be tested, and the substrate and the cover plate are designed according to the size of the tank body of the withstand voltage test tank, so that a large number of insulation product tests can be carried out at one time, the cost for manufacturing the tool is effectively saved, and the stacking of the tool is reduced, thereby effectively utilizing the space and improving the working efficiency. The operation is convenient and fast, and the test efficiency is effectively improved.

The invention relates to the technical field of a sulfuric acid method titanium dioxide production process, and discloses a method for treating acidic wastewater in sulfuric acid method titanium dioxide production, which comprises the following steps: feeding acidic wastewater in sulfuric acid method titanium dioxide production into a first-stage neutralization reaction tank, introducing a neutralizer, and carrying out a first-stage neutralization precipitation reaction; carrying out solid-liquid separation on the reacted slurry; the separated filter cake is recovered and sent to a titanium dioxide production process, the filtrate is sent to a second-stage neutralization reaction tank, a neutralizer is introduced, a second-stage neutralization precipitation reaction is carried out, the reacted slurry is subjected to solid-liquid separation, and the obtained filter cake is dried to obtain iron oxide; and carrying out membrane separation treatment on the filtrate after secondary separation, sending the separated dilute phase back to the titanium dioxide production process as purified water, and carrying out evaporation concentration crystallization on the separated concentrated phase solution to obtain ammonium sulfate. According to the method, resources in the acid wastewater can be fully recycled and recycled, generation of solid waste is avoided, the economic effect is improved, and green development is promoted.

The invention discloses a porous nickel-iron hydrotalcite adsorbent and a preparation method and application thereof, and belongs to the technical field of fluorine removal agent materials.The porous nickel-iron hydrotalcite adsorbent is characterized in that amide molecules and metal ions are adopted to form ligands, the ligands are embedded in a hydrotalcite layer, and the ligands are removed in the subsequent heating and cleaning process to form a pore structure; in addition, amide molecules are beneficial to slowing down too tight stacking among hydrotalcite sheets, so that the synthesized porous nickel-iron hydrotalcite adsorbent has more adsorption sites, and the fluorine removal capacity of the adsorbent on fluorine ions in a water body is enhanced. Compared with the existing known hydrotalcite fluorine removal agent preparation technology, the preparation method has the advantages that secondary calcination activation is not needed, secondary anion replacement is not needed, and the porous nickel-iron hydrotalcite adsorbent with better fluorine removal capacity can be obtained by a one-step method.

This utility model relates to the field of cleaning equipment technology and discloses an ultrasonic cleaner with a rotating basket. The cleaner includes a machine body, a roller rotatably connected to the surface of the machine body, and a fixed rod connected to the surface of the machine body. The arc surface of the fixed rod is rotatably connected to the roller, and a flattening device is provided on the arc surface of the fixed rod. The flattening device includes two hollow tubes, both of which are fixedly connected to the arc surface of the fixed rod. Sliding rods are slidably connected inside the hollow tubes, and one end of each sliding rod is fixedly connected to a flattening rod. This ultrasonic cleaner with a rotating basket avoids situations where, during cleaning, items are stacked, and the surfaces in contact with each other (such as the inside of parts or overlapping areas) are in a long-term ultrasonic shadow zone, preventing the cavitation effect from working effectively and causing stains to remain. This is especially problematic for small parts with crevices or textures (such as screws and chains), where stains in hidden areas are difficult to remove, thus affecting the cleaning quality.

The invention provides an assembly type waterproof protection layer construction method, and relates to the technical field of basement construction, the assembly type waterproof protection layer construction method comprises the following steps: a concrete shape-assisting plate manufacturing step: prefabricating a plurality of concrete shape-assisting plates including a plurality of transverse plates and longitudinal plates, each of the transverse plate and the longitudinal plate is provided with at least one side edge, at least one limiting groove and at least one elastic limiting hook; a fertilizer groove is formed outside the basement, the basement comprises four side walls which are encircled into a whole and a top plate poured on the tops of the four side walls, and waterproof coiled materials are fixed to the side walls and the top plate; the fabricated waterproof protective layer has the beneficial effects that construction is easy, the construction period is greatly shortened, the labor cost is reduced, and the fabricated waterproof protective layer is high in strength and waterproofness and good in durability.