38results about How to "Solve churn" patented technology

The invention discloses a zero-valent iron-carbon source-anaerobic digestion bacterium sustained-release microcapsule as well as preparation and application thereof, and belongs to the technical field of wastewater treatment. The preparation method comprises the following steps: S1, preparing a biochemical mixed embedding liquid containing an embedding material and a gel; s2, adding the biochemical mixed embedding liquid obtained in the step S1 into a cross-linking liquid, and performing cross-linking treatment to obtain the zero-valent iron-carbon source-anaerobic digestion bacterium sustained-release microcapsule, in the step S1, the embedding material comprises zero-valent iron, anaerobic digestion bacteria and a carbon source, and the zero-valent iron, the anaerobic digestion bacteria and the carbon source are jointly fixed inside and on the surfaces of the porous particles, so that loss of the zero-valent iron and the anaerobic digestion bacteria is effectively prevented, and passivation of the zero-valent iron is reduced; moreover, the carbon source is embedded in the immobilized particles, so that slow release of the carbon source is effectively realized, and dynamic balance of carbon source supply and biological requirements is realized.

The invention discloses a carbon-based confinement type catalyst as well as a preparation method and application thereof. The catalyst comprises a sludge carbon substrate, and carbon nanotubes and active metals covering the surface of the substrate, the active metal comprises Fe and Ni; ni is doped in the carbon nanotube to form a confinement structure; fe is loaded outside the carbon nanotubes. The active metal of the carbon-based confinement type catalyst is confined in a superstructure carbon nanostructure covering the surface of a carbon substrate, so that the hydrothermal oxidation efficiency can be effectively improved, the degree of cracking of sludge extracellular polymeric substances is improved, deep cracking of sludge is realized, and the risk of secondary pollution caused by loss of the active metal is reduced; the catalyst can selectively oxidize macromolecular organic matters released by sludge disintegration, the product selectivity of micromolecular carboxylic acid is improved to be higher than 95% by a confinement structure, the micromolecular carboxylic acid can be further utilized as a carbon source, the treated supernate can be used as a composite carbon source to be applied to the biochemical process of sewage treatment, and resource utilization is realized; the catalyst can realize HTO treatment of sludge at 200 DEG C or below, and does not generate biotoxic by-products in the sludge treatment process, and the treated product can be used as a high-quality carbon source.

The invention discloses an SJP base material porous structure, a manufacturing method and application of the SJP base material porous structure in hydro-fluctuation belt ecological slope protection, belongs to the technical field of hydro-fluctuation belt ecological restoration, and aims to solve the problems of hydro-fluctuation belt bank slope erosion and water and soil loss caused by waves. The SJP base material porous structure comprises a porous structure and SJP organic solidified soil slurry; the SJP organic solidified soil slurry comprises a viscosity time-varying grouting material, soil and water; the porous structure comprises vesuvianite, a cementing material and a water reducing agent. The manufacturing method comprises the following steps: preparing the porous structure; preparing SJP organic solidified soil slurry; the SJP organic solidified soil slurry is poured into the porous structure in a vibration forming mode, and the SJP base material porous structure is obtained. The SJP organic solidified soil slurry is poured into a porous structure made of pelelith, a cementing material and the like in a vibration forming mode, so that the SJP base material porous structure not only has high strength, but also has good vegetation space and good water permeability.

The utility model discloses a hardware fitting cleaning structure which comprises a box body, a box door is rotationally arranged on the front face of the box body, a U-shaped steel pipe is fixedly arranged in the box door in a penetrating mode, the two ends of the U-shaped steel pipe are closed, a water inlet mechanism is fixedly connected to the outer side of the U-shaped steel pipe, and a plurality of short pipes are fixedly arranged on the opposite sides of the upper end and the lower end of the U-shaped steel pipe in a penetrating mode. Short pipes are arranged in the box body, nozzles are fixedly connected to the bottoms of the short pipes, first electric cylinders are arranged on the two sides of the top in the box body in a sliding mode respectively, the positions of the first electric cylinders can be adjusted, and transverse plates are fixedly arranged at the bottoms of the first electric cylinders. The problems that when hardware fittings with large sizes are cleaned by hand, time and labor are wasted, meanwhile, many hardware chippings are often flushed out in the cleaning process, and many cleaning devices do not recycle the chippings, and large hardware resource loss is caused are solved.

The utility model discloses waste gas spray tower equipment for waste gas treatment, which relates to the technical field of waste gas treatment and comprises a device main body, a waste gas input device is fixedly mounted on the surface of the device main body, a main body base is fixedly mounted at the bottom of the device main body, and a gas conveying pipe is fixedly mounted at the top of the device main body. An exhaust main body is fixedly mounted at the other end of the gas conveying pipe, and the device main body comprises a treatment unit and a circulating unit. Through the arrangement of the water conveying pipe, the spraying head, the built-in water tank, the circulating water tank and the output water pump, the problem that when existing spraying tower equipment is used, the device cannot circularly input a water source, so that the water source is consumed after being used, and water source loss is caused is solved; through the structural combination, in the use process of the spray tower equipment, the circulating mechanism can be used for collecting a sprayed water source, so that the water source is gathered into the water tank again, and the water source can be recycled.

This invention relates to the field of caisson bottom sealing construction technology, and discloses a dynamic sealing sludge and water inrush sealing system for caissons. The system integrates a bottom sealing template assembly, a dynamic sealing baffle, a novel quick-setting sealing grout injection assembly, a drainage and pressure relief assembly, a fixing and anchoring assembly, and an anti-sludge isolation assembly. The bottom sealing operation is completed through an integrated process of layered sealing, immediate curing, and simultaneous bottom sealing. During construction, the base is first cleaned and the components are installed; after the dynamic sealing baffle is deployed, it is hydraulically attached to the base plate and the water inrush point is detected; then, quick-setting grout is injected into the leakage area in a targeted manner, and drainage and pressure relief are simultaneously activated to regulate the pressure; after the grout has quickly set, the baffle is retained as a permanent water-stopping structure; finally, underwater concrete is continuously injected through a pre-set pipeline, and an anti-sludge isolation layer is set to ensure the density of the concrete. This system simultaneously achieves rapid water inrush sealing, dynamic pressure balance, and high-quality bottom sealing, solving the problems of poor sealing time, poor process connection, and difficulty in controlling the quality of underwater concrete in traditional processes.

The invention discloses a catalyst for catalytically decomposing hydrazine nitrate and hydroxylamine nitrate in a nitric acid system and its application, wherein the feed liquid to be treated is heated and contacted with the catalyst, wherein the hydrazine nitrate and hydroxylamine nitrate are catalytically decomposed into nitrogen, water, trace nitrogen oxides and ammonium ions, etc., wherein the catalyst is a mesoporous activated carbon-carbide composite carrier as a carrier, the main active component is ruthenium, the auxiliary agent is Al or B, and the mass fraction of the active component in the catalyst is 1-5%; the invention also discloses a method for preparing the catalyst. The catalysts prepared by the invention have high decomposition activity of hydrazine nitrate and hydroxylamine nitrate, strong nitric acid corrosion resistance, long service life, and the waste liquid treatment method is efficient, safe, economical and environmentally friendly.

The present invention provides a magnetic information acquisition sensor and a magnetic information acquisition device, comprising: a butterfly body structure and two groups of butterfly wing structures, the butterfly body structure comprising a long hollow frame and a coil wound on the outer surface of the hollow frame, each group of butterfly wing structures comprising N butterfly wing rings, wherein N is an integer greater than or equal to 1; the material of the butterfly wing structure is a material with a magnetic resistance less than a preset value; the hollow frame has a hollow through hole passing through both ends of the hollow frame; the first end of each butterfly wing ring penetrates the hollow through hole from the first end of the hollow through hole, and the second end of each butterfly wing ring penetrates the hollow through hole from the second end of the hollow through hole; the butterfly body structure can generate a corresponding electromagnetic field when power is input to the coil, and the magnetic flux of the electromagnetic field can be guided by the butterfly wing ring.

The invention relates to the technical field of geotechnical engineering and foundation treatment, in particular to an adjustable hydraulic distraction device for preventing and treating ground surface settlement and a construction method, and the adjustable hydraulic distraction device comprises a central supporting steel pipe, a hydraulic driving unit, an umbrella rib supporting structure and a grouting system; a hydraulic driving unit and an umbrella rib supporting structure capable of being unfolded in the radial direction are arranged in the center supporting steel pipe, and the grouting system is connected with the center supporting steel pipe and grouts into the unfolded umbrella rib supporting structure and a peripheral cavity. Through a reliable and adjustable driving mode, a supporting structure similar to an umbrella rib is unfolded in time, strong and uniform radial extrusion force is generated, and a soil body is effectively compacted. Meanwhile, the supporting state can be dynamically adjusted according to stratum deformation, and long-acting and active prevention and control of sedimentation are achieved.

This utility model discloses a conveying device for processing Chinese medicinal materials, relating to the field of Chinese medicinal material processing technology. It includes a support section, a conveying section, and a circulation section. The support section allows for flexible adjustment of the conveying angle, enabling multi-process integration without additional equipment or manual labor. Rollers are installed at the bottom of the base plate for easy movement. The conveying section, mounted on a movable plate, includes a conveying cylinder with a feed hopper at one end and a discharge port at the other. An internal conveying shaft is connected to a conveying motor via a coupling. A detachable conveying side plate at the end facilitates maintenance. The circulation section surrounds the conveying cylinder and consists of a circulating water tank, a motor, and a circulation pipe. The circulation pipe is connected to the water tank at both ends. The motor drives an impeller to circulate cooling water, quickly removing frictional heat. A drain pipe with a solenoid valve is located at the bottom of the water tank. Filter screens are installed at both ends of the circulation pipe. The conveying cylinder and circulation pipe are made of copper to improve heat conduction and temperature control, ensuring the quality of the medicinal materials.

The invention relates to the technical field of functional food, in particular to hawthorn six-material sucking jelly and a preparation method thereof. The jelly is prepared from hawthorn pulp, Chinese wolfberry fruit powder, red date powder, cassia seed extract, dried orange peel extract, chrysanthemum extract, agar, carrageenan, glycerol and a natural sweetening agent, the synergistic effect of various functional components is achieved through scientific proportioning, and the jelly has the health effects of promoting digestion, relaxing bowel, enhancing immunity, resisting oxidation and the like. According to the invention, a microcapsule embedding technology is adopted to improve the stability of active ingredients, the proportion of agar to carrageenan is optimized to control the texture of the jelly, and homogenization treatment and low-temperature sterilization processes are combined to ensure the functionality, taste and portability of the product. The technical problems that existing functional jelly is single in formula, insufficient in stability and poor in texture are solved, and the functional jelly has remarkable innovativeness and market application value.

The invention provides a preparation method of sludge-based biochar for directionally enriching iron phosphate through synergistic modification of ferrous sulfate and sodium persulfate, and belongs to the technical field of harmless treatment and resource utilization of municipal sludge and environmental functional materials. According to the method disclosed by the invention, active phosphorus in the sludge is converted into a stable iron phosphorus compound in advance through oxidation-complexation dual effects of the ferrous sulfate heptahydrate and the sodium persulfate; the phosphorus-rich sludge is converted into more stable phosphorus-rich biochar through two-step heat treatment, the whole process of sludge pyrolysis is cooperatively regulated and controlled through Fe < 2 + > / S2O8 < 2->, integration of phosphorus release, phosphorus fixation and heavy metal passivation is achieved, the problem that in the prior art, the phosphorus retention rate is low is solved, phosphorus resources in the phosphorus-rich sludge are extremely retained and stabilized, and the phosphorus-rich sludge is obtained. The fixed rate of phosphorus in the modified sludge-based biochar with directionally enriched iron phosphate prepared by the method is greater than 99%.

This invention belongs to the field of agricultural microbiology technology, and discloses a strain of Sphingomonas, a microbial agent, its preparation method and application, specifically disclosing a strain of Sphingomonas (… Sphingomonas Microbial agent (sp.) R7 was deposited on March 31, 2025, at the China Center for Type Culture Collection (CCTCC), Wuhan University, Wuhan, China, with accession number CCTCC NO: M 2025634. The invention discloses a microbial agent containing this bacterium, its preparation method, and its application in improving soil and / or promoting rice growth, as well as in reducing cadmium content in the aboveground parts of rice. This microbial agent not only increases the content of nutrients such as nitrogen and phosphorus in the soil, thus improving soil quality, but also significantly increases the dry matter weight of rice roots, stems, leaves, and brown rice, promoting rice plant growth; it also concentrates cadmium in the rice roots, reducing the cadmium content in the aboveground parts of rice.

The utility model belongs to the field of bee breeding equipment, and particularly relates to a bee swarming control collecting device which comprises a mounting ring, a collecting cage is fixedly connected to the upper end of the mounting ring, a guide rod is slidably connected to the interior of the mounting ring, a base is fixedly connected to the lower end of the guide rod, and a limiting sleeve is fixedly connected to the upper end of the base. A threaded rod is rotationally connected into the limiting sleeve, the threaded rod is in threaded connection with the collecting cage, a rotary knob is fixedly connected to the upper end of the threaded rod, and a queen bee cage is in contact with the upper end of the base. According to the bee catching device, the catching cage can be hung at a high position to catch bees by arranging the catching cage, the hook and other components, the queen bee cage can be used for catching queen bees by arranging the queen bee cage, so that other bees are attracted into the catching cage, and the problem that bees run away due to the fact that swarms are inconvenient to collect after the bees are swarded is solved.

The application discloses a kind of knowledge base application methods and systems based on large model, can utilize large model, artificial intelligence or AI to quickly and efficiently obtain content information, to solve the answer content isolated generated in existing operation and maintenance question and answer database system, lack executable decision path, cannot cyclically utilize historical maintenance experience and the technical problem that operation and maintenance log is not fully utilized.Method includes: the initial water affair question text input by user is based on the multi-round question and answer reverse driving and path dynamic growth in the state of decision node;Experience knowledge node is compiled to water affair execution log array, and the incremental update processing of experience knowledge node is carried out on the success rate attribute feature;The received new water affair question text is processed by question fingerprint quick matching;And the new water problem text that cannot be quickly matched is mounted with supplementary knowledge node processing;Based on water affair execution log array and water affair patch log array, generate water affair operation and maintenance report.

The utility model relates to bridge shell raw material processing technical field discloses a bridge shell raw material heat treatment device, including trolley furnace body, one side of trolley furnace body rotatably connected has the furnace door, is provided with the track no.

The application discloses an organic fertilizer based on smoldering fire soil ash and a biochar loading process and a preparation method thereof, and components are as follows in terms of weight parts: 40-50 parts of rotten crop straw, 30-40 parts of fire soil ash, 3-6 parts of humic acid and 3-5 parts of water-retaining agent. The application has the beneficial effect that the physical skeleton of soil aggregates is reconstructed at the micro level by introducing a nano-mineral skeleton construction agent and modified porous biochar. In combination with the electronic shuttling effect of the shuttling repair agent, not only is the activity of soil heavy metals effectively passivated, but also the migration risk of heavy metals to the above-ground part of tobacco plants is reduced, and the gradient release characteristics of the microencapsulated active core material are utilized to solve the nutrient loss problem of traditional organic fertilizers in the environment with large mountain slope and strong rainwater erosion. The structure can make the soil aggregate structure be improved by nearly 78% (up to 68.7%), and effectively lock soil moisture and nutrients.

The present invention discloses a water-soluble fragrance micro-explosive bead and a preparation method thereof, comprising a core material, a wall material and a hydrophobic modified material, wherein the core material is a water-based fragrance, and an aqueous solution is dripped into an aqueous solution containing a film-forming agent and a film-forming filler to form an original explosive bead; the explosive bead is sequentially immersed in an initiator aqueous solution and an amphoteric monomer, and then suspended in a heavy oil solvent to initiate polymerization of the amphoteric monomer to form a flexible wall material transition layer; a hydrophobic monomer is dripped and polymerized to form a hydrophobic layer to construct a brittle wall material outer layer. After washing, solvent removal and drying, a dense explosive bead is obtained, wherein the water-soluble fragrance is the core material, the amphoteric polymer is the transition layer, and the hydrophobic polymer is the outer layer of the wall material. The present invention prepares a wall material composed of a double-layer polymer by a one-step polymerization method, which can effectively embed water-based fragrances, is not easy to seep out, and has long-term storage stability. The wall material of the explosive bead is easy to crush and the fragrance is quickly released, and the explosive bead has no odor.

The invention relates to a system for optimizing the recovery efficiency of superfine powder in powder coating production, which comprises a three-stage recovery system of an efficient cyclone separator, a pulse bag-type dust collector and a wet-type electric dust collector, and an air inlet of the efficient cyclone separator is connected with an exhaust pipeline of production equipment; an air inlet of the pulse bag-type dust collector is connected with an air outlet of the cyclone separator through a pipeline; an air inlet of the wet-type electric dust collector is connected with an air outlet of the pulse bag-type dust A wet-type electric dust remover is added to serve as a fine treatment unit after traditional two-stage recovery, through the three-stage progressive design of cyclone coarse separation, cloth bag medium-efficiency filtration and wet-type electric dust removal fine capturing, the wet-type electric dust remover can accurately capture'leakage net powder 'which is difficult to recover by traditional equipment through the dual effects of high-voltage electric field charging and liquid flushing, and the dust removal effect is improved. The fault of the cyclone separator is compensated; the efficiency of 5-micron particles is suddenly reduced and the effect of a bag-type The technical defect that particles with the particle size of 1 micron easily penetrate is overcome, and the problem of fine powder loss is solved.

The present invention relates to an anchor bolt double sheath and a use method thereof, which is used for protecting an anchor bolt arranged on a foundation. The anchor bolt double sheath comprises an upper sheath (7) and a lower sheath (6), wherein one end of the upper sheath (7) is open, and both ends of the lower sheath (6) are open, wherein the upper sheath (7) and the lower sheath (6) are both provided with threads inside and are sleeved on the anchor bolt, wherein a first cavity (10) is formed between the lower sheath (6), the anchor bolt and the foundation, and a second cavity (13) is formed between the upper sheath (7), the lower sheath (6) and the anchor bolt, and an inlet and outlet hole (9) is provided on the lower sheath (6) for connecting the first cavity (10) and the second cavity (13). Compared with the prior art, the present invention has the advantages of good anti-loosening performance, good sealing performance, long service life and the like.

The application discloses an integrated reinforced magnetic Fenton sewage treatment system and a treatment method. By using a multi-stage magnetic field coupling and a dynamic gradient separation technology, the pH range suitable for reaction is successfully widened to a neutral acid interval, the demand for acid-base adjustment and the sludge production are significantly reduced; by means of the synergistic effect of a pre-magnetization catalyst and a static mixer, microscopic uniform dispersion and efficient utilization of the medicament are realized, the hydrogen peroxide dosage is greatly reduced, and catalyst agglomeration and deactivation are effectively avoided; at the same time, by means of an in-situ disaggregation and backwashing recovery mechanism of the magnetic catalyst, the problems of catalyst loss and secondary pollution in the traditional process are solved, and in combination with a no-packing type deep purification design, the risk of reactor hardening and clogging is eliminated, while the water quality is ensured to be stable and up to the standard, the operation stability and the maintenance convenience of the system are significantly improved.

The invention discloses an easily-disturbed soil layer staged excavation supporting structure system and a construction method thereof.The foundation pit is excavated in two stages, an easily-disturbed soil layer exists within the depth range below the first-stage excavation face, and the easily-disturbed soil layer staged excavation supporting structure system comprises a first-stage foundation pit support and a second-stage foundation pit support; the first-stage foundation pit support and the second-stage foundation pit support are connected into a whole through a rigidity coordinating piece, the first-stage foundation pit support comprises a first-stage support pile and a plurality of first-stage anchor rods tensioned on the first-stage support pile, and the second-stage foundation pit support comprises a second-stage steel pipe pile, a plurality of second-stage densely-arranged anchor rods tensioned on the second-stage steel pipe pile and a grouting reinforcing body. According to the method, disturbance of construction of the second-stage supporting piles and the anchor pulling structure to the built-in ends of the first-stage supporting piles is reduced to the maximum extent, foundation pit accidents are avoided, meanwhile, the problem of soil loss between the piles in the earth excavation period is solved, and the safety of stage excavation foundation pit engineering of soil layers prone to disturbance is guaranteed.

The utility model discloses a kind of silicon powder recovery devices in industrial silicon furnace flue gas, including equipment base, separator tank, smoke inlet and gas outlet, the inside of the separator tank is movably connected with multiple groups of adjusting mechanism for changing flue gas flow rate, the adjusting mechanism includes fixedly connected on the inner side wall of separator tank fixed pivot, the fixed pivot is movably connected with spoiler through fixed link, and the spoiler is in conformity with the inner diameter of separator tank, the end of the spoiler is movably connected with piston;Through fixed link and the spoiler of pivot connection, and piston is movably connected with the end of spoiler and penetrates tank body, when flue gas quantity is larger and flow rate is too fast, tank pressure rises and pushes piston to move out, drives spoiler to rotate to tank wall, expands flue gas flow range to reduce flow rate, prolongs flue gas residence time, makes silicon powder fully settle.

The invention discloses an anti-slurry-leakage electric pole flange structure and a construction method thereof, and belongs to the technical field of electric pole flange plates, the anti-slurry-leakage electric pole flange structure comprises a flange plate body, a steel belt, an annular steel ring and an elastic sealing ring, the upper end of the steel belt is of a horn-mouth-shaped structure and can be attached to the inner surface of an electric pole mold, and the annular steel ring is arranged at the lower end of the steel belt; the annular steel ring is embedded in an outer annular groove formed in the upper end of the flange plate body, the elastic sealing ring is arranged between the annular groove and the annular steel ring, and the elastic sealing ring is installed in a steel belt between the electric pole and the flange plate body and the annular steel ring and keeps in elastic contact with the steel belt and the annular steel ring. The problem of slurry loss in the centrifugal forming process is effectively solved, it is ensured that concrete at the connecting position of the flange and the electric pole is compact and free of hollowing, and the strength and durability of the overall structure of the electric pole are enhanced.

The present invention discloses a method for treating organic phosphine wastewater by using homogeneous catalytic wet oxidation, which includes a wet oxidation section, a biochemical treatment section and a phosphorus recovery section; the organic phosphine wastewater, the homogeneous catalyst and the mother liquor of the single membrane electrodialysis are mixed and heated by heat exchange, and then the wet oxidation treatment is carried out, and then the acid adjustment tank is entered after cooling, and then nanofiltration is carried out, the nanofiltration concentrated water enters the single membrane electrodialysis treatment, the single membrane electrodialysis mother liquor is returned to the regulating tank, the anion liquid enters the phosphorus recovery section, and the nanofiltration produced water enters the biochemical treatment section; the biochemical treatment section includes an alkali adjustment tank, a biochemical unit and an effluent monitoring tank in sequence, and the phosphorus recovery section includes a reaction tank and a concentration crystallization unit, and finally forms a product struvite. In view of the characteristics of high COD, high organic phosphorus, high toxicity and difficult degradation of organic phosphine wastewater, the present invention adopts a treatment process with homogeneous catalytic wet oxidation as the core, giving full play to the characteristics of high catalytic activity and strong treatment capacity of homogeneous catalytic wet oxidation, and finally achieving the standard discharge of organic phosphine wastewater.

The anus medicine applying and applying device for the anorectal department comprises a driving assembly, a medicine supplying assembly and a medicine applying assembly which are arranged in a gun body. The medicine applying assembly comprises an applying head arranged at the muzzle, a medicine outlet cavity is formed in the applying head, and a medicine outlet is arranged around the side wall of the applying head; the medicine supply assembly comprises a medicine feeding pipe connected with a medicine outlet cavity and an ointment pipe, medicine in the medicine feeding pipe is supplied by a peristaltic pump, and a power shaft of the peristaltic pump is linked by a trigger through a thorn wheel assembly. The ratchet wheel assembly comprises a driving wheel and a driven wheel which are in toothed connection, the driving wheel is coaxial with the trigger, a shaft of the driven wheel is a power shaft, and the driven wheel rotates along a circular guide rail arranged on the wheel side; the power shaft is fixedly connected with a circular plate provided with claw grooves in the radial direction. A pawl arranged in the pawl groove and supported by a first spring is in tooth connection with a ratchet wheel arranged in a wheel ring of the driven wheel. The condition of a patient can be conveniently observed so that medicine can be accurately applied to the patient, the follow-up operation of medicine application in the anus is facilitated, and the operation convenience during medicine application is improved.

This invention discloses a gradient frustum array type multi-degree-of-freedom omnidirectional piezoelectric power generation device, belonging to the field of marine wave energy power generation devices. It includes a floating shell, a gradient frustum array skeleton unit, orthogonally arranged vibration energy harvesters, and a power management module. Through key technologies such as gradient frustum wideband adaptation, orthogonal energy harvesting array omnidirectional capture, magnetic coupling displacement amplification and limiting, and d33 mode piezoelectric conversion, it simultaneously captures multi-directional wave energy, adapts to 0.5-5Hz wideband waves, amplifies piezoelectric deformation, and achieves overload protection. It solves the problems of narrow energy harvesting bandwidth, low conversion efficiency, and weak environmental adaptability of existing devices, achieving efficient wave energy harvesting and in-situ power supply, and improving the device's service life and adaptability to the marine environment.

The present application relates to the technical field of hot box, and provides a hot box door locking mechanism, a hot box and a false twist texturing machine.The hot box door locking mechanism comprises at least one pressing mechanism, a transmission shaft for driving the pressing mechanism to rotate, and a pressing handle for driving the transmission shaft to rotate.The pressing mechanism comprises a rotating pressing piece and a retaining assembly.The transmission shaft penetrates through the retaining assembly and is connected with the rotating pressing piece.The pressing handle rotates to form a first shaft.During the process of driving the rotating pressing piece to rotate by the transmission shaft, the rotating pressing piece and the hot box door change from being separated from each other to being in contact with each other, so as to press the hot box door to rotate to a closed state surface.The present application drives at least one pressing mechanism by the pressing handle to apply a pressing force to the edge area of the hot box door, so as to press the hot box door to rotate to a closed state surface, thereby solving the problems of heat loss and high energy consumption caused by the fact that the hot box door cannot be effectively closed to heat the cavity.

The invention relates to the technical field of building materials, and discloses a novel anti-dispersion grouting material capable of adjusting setting time under a flowing water condition. The invention relates to a quick hardening iron aluminate cement mortar which is prepared from the following raw materials: quick hardening iron aluminate cement, silica fume, superfine fly ash, a modified inorganic thixotropic stabilizer, a composite setting time regulator, polycarboxylate superplasticizer powder, hydroxyethyl methyl cellulose, an organic silicon defoaming agent and the like. The dispersion resistance of the slurry in a flowing water environment is improved; the hydration rate is regulated by utilizing the synergistic effect of the boric acid powder and the trisodium citrate dehydrate powder, so that the technical problem that the setting time of the quick-hardening cement is difficult to control is solved; and in cooperation with the micro-grading filling effect of the mineral admixture, the high fluidity, high flowing water retention rate and high early strength of the slurry under the low water-binder ratio are achieved, and the slurry is suitable for grouting reinforcement in the complex underground flowing water environment.

This utility model relates to the technical field of automatic pipe packaging and loading equipment, and in particular to an online automatic packaging and loading device for small-diameter pipes. It includes a transmission module and a bundling module. A lifting module is provided on one side of the bundling module, and the lifting module includes a conveyor platform. An electromechanical control box is located on the left side of the conveyor platform, and a side support is bolted to the back of the conveyor platform. This utility model uses a servo motor in the lifting module to drive a belt to lift and bundle the pipes, and a series of gears work together to automatically complete the pipe flipping and loading operation. This completely replaces the heavy manual labor of short-distance handling and lifting pipes to the loading platform. The bending design at the end of the lifting plate stably restrains the pipes, and the drive motor provides high-torque flipping force through the gears, eliminating the need for employees to participate in the handling process and fundamentally alleviating the problems of back injuries and complaints caused by long-term labor.