342 results about "Strontium" patented technology

The invention relates to the technical field of cement clinker preparation, and particularly discloses a calcium sulphosilicate mineral clinker with high carbonization activity, a raw material and a preparation method and a hardening method of the calcium sulphosilicate mineral clinker. The clinker is prepared from the following mineral phases: 87.2 to 95.1 percent of calcium sulphosilicate, 2.6 to 9.5 percent of dicalcium silicate and the balance of unreacted raw materials, inevitable impurities and the like. Part of calcium elements in crystal lattices of the calcium sulphosilicate are replaced by at least one of lithium elements, sodium elements, potassium elements and strontium elements. The hardening method comprises the following steps: mixing the calcium sulphosilicate mineral clinker with water, and curing in a carbon dioxide environment to obtain the calcium sulphosilicate mineral hardened body. The mineral clinker disclosed by the invention has excellent carbonization activity, so that the mineral clinker can react with carbon dioxide to obtain high strength, high carbon sequestration is realized, carbon emission is reduced, and the mineral clinker has excellent mechanical properties.

A piezocatalyst containing a nitrogen doped carbon skeleton derived from a zeolitic imidazolate framework (ZIF), and a single-atom alkaline earth metal anchored on the nitrogen doped carbon skeleton, where the alkaline earth metal is selected from the group of beryllium (Be), magnesium (Mg), calcium (Ca), Strontium (Sr), and barium (Ba); the piezocatalyst includes an active cite formed with the single-atom alkaline earth metal and nitrogen atoms from the ZIF. A piezocatalytic material includes the piezocatalyst. Also provided herein is a method of manufacturing such a piezocatalyst / piezocatalytic material and an environmental remediation method employing such a piezocatalyst / piezocatalytic material.

The method comprises the following steps: weighing an oxide precursor of metal indium, an oxide precursor of metal M, an ammonium salt and a lithium salt according to a chemical formula of indium-based halide, fully mixing, and calcining in an inert atmosphere to obtain the indium-based halide solid electrolyte. Forming an indium-based halide solid electrolyte through a solid-phase reaction; wherein M is selected from at least one of magnesium, calcium, strontium, barium, aluminum, gallium, indium, bismuth, scandium, yttrium, zinc, germanium, tin, lanthanum, cerium, samarium, gadolinium, holmium, erbium and ytterbium. The method can greatly simplify the synthesis process, reduce the raw material cost and realize industrial batch preparation.

The invention relates to the technical field of isotopes, in particular to a generator for separating yttrium [90Y] in mother liquor containing strontium [90Sr] and a separation method. The separation method comprises the following steps: adding mother liquor containing strontium [90Sr] into a resin separation column, leaching with leacheate, collecting the leacheate containing strontium [90Sr], and emptying liquid in the resin separation column with air; evaporating, dissolving and standing the strontium [90Sr]-containing leacheate at 85-95 DEG C, collecting the strontium [90Sr]-yttrium [90Y] leacheate, and adding the strontium [90Sr]-yttrium [90Y] leacheate into the strontium [90Sr]-containing mother liquor for circulation; and eluting by using an eluent, and collecting the eluent containing yttrium [90Y]. According to the method, the evaporation temperature of the leacheate containing strontium [90Sr] is adjusted, so that the loss of strontium [90Sr] can be greatly avoided, and the separation effect of yttrium [90Y] is not influenced.

The invention relates to an environment-friendly inorganic pigment and a preparation process thereof, and relates to the technical field of inorganic pigments, the environment-friendly inorganic pigment is prepared from the following raw materials by weight: 40-50 parts of a metal oxide, 5-8 parts of a dopant, 3-5 parts of a fluxing agent, 4-6 parts of a filler, and 0.5-0.8 part of a surface modifier; the metal oxide is formed by mixing CoAl2O4 and Fe2TiO5 according to the mass ratio of (3 to 5): 1; the dopant is prepared from rare earth salt, manganese salt, nickel salt, niobium salt, strontium salt and zircon salt. The environment-friendly inorganic pigment is low in preparation energy consumption, environment-friendly, excellent in covering power, weather resistance and light resistance.

The invention discloses a heat-treatment-free high-strength high-toughness die-casting aluminum alloy material which comprises the following components in percentage by mass: 7-8% of silicon, less than or equal to 0.14% of iron, less than or equal to 0.008% of copper, 0.6-0.7% of manganese, 0.2-0.26% of magnesium, less than or equal to 0.005% of zinc, less than or equal to 0.001% of calcium, less than or equal to 0.003% of lead, less than or equal to 0.0003% of antimony, less than or equal to 0.00008% of beryllium, 0.08-0.15% of titanium and 0.016-0.026% of strontium. The sum of the impurities is smaller than or equal to 0.15%, the content of a single impurity element is smaller than or equal to 0.05%, and the proportion of the mass percentage content of manganese to the mass percentage content of iron is larger than 5 and smaller than 7. According to the heat-treatment-free high-strength and high-toughness die-casting aluminum alloy material, through formula design and control over Mn / Fe being larger than 5 and smaller than 7, a needle-sheet-shaped Fe-rich phase is reduced, the purpose of improving the mechanical property of the aluminum alloy material is achieved, and the porosity and the mechanical property of the aluminum alloy material are good.

The invention belongs to the technical field of geological sample analysis and detection, and particularly discloses a method for measuring the amount of each element of lithium ore in a closed acid-soluble system, and the method comprises the following steps: pretreating the lithium ore; the pretreated lithium ore is weighed and put into a closed sample dissolving device, hydrofluoric acid and purified nitric acid are sequentially added, and the closed sample dissolving device is closed; carrying out heat preservation on the closed sample dissolving device twice to obtain a test solution; and measuring the test solution by using an inductively coupled plasma mass spectrometer to obtain a working curve, and calculating the content of the analysis element in the sample solution by using the working curve. The method for determining the amount of each element in the lithium ore by adopting the closed acid-soluble system has the characteristics of simplicity in operation, high efficiency and good stability, realizes simultaneous determination of the amount of lithium, rubidium, cesium, beryllium, strontium, niobium, tantalum, zirconium, hafnium and rare earth elements in the large-batch lithium ore, and further provides a reference for determination of main trace elements in the lithium ore.

The invention relates to a method for producing mayenite, comprising the following sequential steps: a) preparing a feed suitable for obtaining, at the end of step c), a product comprising more than 90% mayenite in percentage by weight based on the weight of the crystalline phase, said mayenite comprising calcium and / or strontium, aluminum and oxygen; b) melting the feedstock until a molten material is obtained; c) cooling the molten material in order to solidify the molten material and obtain a polycrystalline fused product; the melting is carried out using an electric arc furnace and in a reducing medium.

The invention relates to a preparation method of gray cast iron. The preparation method sequentially comprises the following steps that molten iron with qualified components is obtained through smelting, ladle-to-ladle inoculation is conducted, and casting is conducted. The molten iron comprises the following components in percentage by mass: 2.5 to 3.5 percent of C, 1.0 to 1.8 percent of Si, 0.6 to 1.5 percent of Mn, less than or equal to 0.4 percent of Cr, 0.3 to 0.7 percent of Mo, 0.6 to 1.3 percent of Cu, less than or equal to 0.18 percent of P, less than or equal to 0.15 percent of S and the balance of Fe and inevitable impurities; a silicon-zirconium-manganese-strontium inoculant is used for ladle-to-ladle inoculation, and the silicon-zirconium-manganese-strontium inoculant comprises the following components in percentage by mass: 60 to 70 percent of Si, 3 to 5 percent of Zr, 2.5 to 4.5 percent of Mn, 2.0 to 4.0 percent of Sr, 0.5 to 1.5 percent of Ca, 0.5 to 1.5 percent of Al and the balance of Fe.

The invention relates to the technical field of isotopes, in particular to a method and system for separating yttrium [90Y] in mother liquor containing strontium [90Sr]. The invention provides a method for separating yttrium [90Y] in mother liquor containing strontium [90Sr], which comprises the following steps: S1, adding the mother liquor containing strontium [90Sr] into a resin separation column, leaching with leacheate, collecting the leacheate containing strontium [90Sr], and emptying the liquid in the resin separation column with air; s2, eluting by using an eluent, and collecting the eluent containing yttrium [90Y]; wherein the total volume of the used leacheate is at least 11 times of the volume of the resin separation column. By means of the separation method, separation and recovery of yttrium [90Y] in the strontium [90Sr] mother liquor can be achieved, the recovery rate of strontium [90Sr] can be increased, the recovery rate of strontium [90Sr] can reach 98% or above, and the content of other metal impurities after recovery can be reduced.

The invention relates to a high-temperature, high-infrared-emissivity and low-thermal-conductivity coating and a preparation method and application thereof. The preparation method comprises the following steps: cleaning a substrate and carrying out sand blasting treatment; spraying alloy powder to form a bonding layer; and spraying an atomized solution containing a water-soluble strontium source, a water-soluble X source and a water-soluble zirconium source by utilizing a solution plasma spraying process, thereby obtaining the strontium-zirconium-zirconium-strontium-strontium-zirconium composite material. The Sr (Zr < 1-y > X < y >) Oz coating prepared by the preparation method disclosed by the invention has relatively high infrared radiation performance, and the infrared emissivity of the coating at 600 DEG C can reach 0.986; the coating prepared by the preparation method disclosed by the invention has low thermal conductivity, and the thermal conductivity of the coating can be as low as 1.63 W.m <-1 >. K <-1 > at 1000 DEG C. The obtained coating is suitable for various base materials and complex surface structures, and can form a uniform and continuous coating in different application scenes such as aircraft skins, electronic device shells and sintering furnace inner chambers, so that the comprehensive performance of the coating is ensured.

The invention provides a red light perovskite material based on bromine-iodine mixed halogen and a preparation method thereof, the red light perovskite material comprises a perovskite material doped with metal elements, the structural formula of the perovskite material is CsPbIxBr3-x, and X is more than 0 and less than 3; the doped metal element is one or more of zinc, potassium, aluminum, magnesium, calcium, strontium, barium, sodium, rubidium, lithium, cerium, samarium, antimony, erbium and bismuth; wherein the atomic percent of the cesium element is smaller than or equal to 21%, and the atomic percent of the doped metal element is larger than or equal to 10%; the red-light perovskite material only has one light-emitting peak, and the light-emitting spectrum does not move or deform under the irradiation of blue light. The prepared perovskite material is uniform in component and free of ion migration.

The invention provides a method for purifying strontium-90, which belongs to the technical field of separation and purification, and comprises the following steps: evaporating a strontium-90 aqueous solution extracted from high-level liquid waste, and adjusting the acid with fuming nitric acid to obtain a seasoning liquid; stirring the seasoning liquid, standing, filtering, washing the obtained precipitate, and dissolving to obtain a dissolved solution; loading the dissolving solution onto a pre-balanced strontium resin column, then sequentially eluting the strontium resin column by using a first eluting agent, a second eluting agent and a third eluting agent, and then eluting strontium-90 on the strontium resin column by using an eluent to obtain an eluent; loading the eluent onto an oil removal column, and collecting effluent, namely a purified strontium-90 solution. According to the method for purifying the strontium-90, equipment and operation are relatively simple, a non-radioactive carrier does not need to be added in the purification process, and the purification degree is relatively high.

This application discloses a composite mineralization material, its preparation method, and its application, belonging to the technical field of mineralization materials for water purification. The preparation method includes the following steps: (1) Selecting strontium-containing ore, zinc-containing ore, metasilicic acid-containing ore, and carbonate-containing ore from natural ores, crushing the above ores respectively, and calcining them at 600-800℃ for 1-4 hours; (2) Soaking the calcined ores in pure water, then performing carbonation treatment, air-drying, and performing component analysis to screen and obtain the strontium-containing mineralization material, zinc-containing mineralization material, metasilicic acid-containing mineralization material, carbonate-containing mineralization material, and basic material; (3) Crushing the mineralization material and basic material again, mixing them according to the weight ratio to obtain the composite mineralization material. The composite mineralization material prepared by this method can solve the problem of excessive metal elements and organic matter in natural ores, and can achieve stable dissolution of minerals, reduce scaling, and improve the service life of water purification devices.

The present application relates to the technical field of water treatment and environmental governance, and particularly relates to a nickel-strontium titanate electrode for removing uranium, a preparation method and application thereof, and the preparation method comprises the following steps: mixing a titanium source, an alcohol amine carrier and an alkaline solution to obtain a precursor solution; adding a nickel source and a strontium source into the precursor solution, performing ultrasonic treatment and hydrothermal reaction to obtain a nickel-strontium titanate material; and coating the nickel-strontium titanate material on the surface of a carbon fiber base material to obtain the nickel-strontium titanate electrode for removing uranium. Through the combination process of nickel doping, hydrothermal reaction and carbon cloth base coating, the prepared electrode forms a porous and uniformly dispersed composite structure, and meanwhile, the electrode can have optimal selectivity and removal efficiency for uranium in the range of pH 3-9. The nickel-strontium titanate electrode for removing uranium prepared by the present application is suitable for large-scale water treatment applications, and has a good application prospect in the fields of nuclear waste water and drinking water purification.

A process for producing amines by reductive amination, the process includes introducing a feed stream, the feed stream comprising an amino alcohol and a reducing agent, and hydrogen in a reaction zone of a reactor, and contacting the feed stream with a catalyst in the reaction zone. A hydrogen flow rate into the reaction zone is adjusted, and a product stream comprising ethyleneamines is extracted. The catalyst includes a carrier component selected from alumina, silica, and combinations thereof; and an active component having a first metal, a second metal, and a third metal. The first metal is selected from cobalt, nickel, and copper, the second metal is selected from rhenium, ruthenium, chromium, zinc, sodium, calcium, magnesium, strontium, lithium, potassium, barium, cesium, lanthanum, tungsten, iron, silver, titanium, manganese, aluminum, rhodium, platinum, palladium, iridium, and combinations thereof, and the third metal is niobium.

The application provides a strontium mineralization slow-release filter element and a preparation method and a water purifier. The strontium mineralization slow-release filter element comprises the following components in parts by weight: 4-10 parts of celestite powder, 80-250 parts of activated carbon and 40-125 parts of glue powder. The particle size of the celestite powder is 120-200 meshes. The particle size of the activated carbon is 80-120 meshes. The molecular weight of the glue powder is 300,000-5,000,000. The strontium mineralization slow-release filter element can ensure that the strontium element concentration in mineral water is not too high, and can control the slow and stable release of the strontium element, which is beneficial to promoting the health of human bodies.

The invention discloses a nuclear power station risk assessment method and device, electronic equipment and a storage medium. The method comprises the following steps: detecting a radiation source at a preset part position of the nuclear power plant to obtain first detection data, and determining a radiation risk factor of the nuclear power plant according to the first detection data; wherein the radiation source comprises neutron radiation, an alpha ray, a beta ray, a gamma ray and an x ray; detecting a pollution source and plants at a preset environment position of the nuclear power station to obtain second detection data, and determining an environment risk factor of the nuclear power station according to the second detection data; wherein the preset environment position comprises a preset soil position and a preset water body position, and the pollution source comprises strontium and cesium; and evaluating the operation risk of the nuclear power station according to the radiation risk factor and the environmental risk factor. According to the technical scheme of the embodiment of the invention, the representativeness of the radiation risk factor and the environmental risk factor can be improved, and the comprehensiveness and the accuracy of the operation risk assessment result of the nuclear power station are further improved.

The application discloses doped modified manganese iron phosphate with a nanoporous structure, a preparation method and application thereof. 1‑a‑b Fe a M b PO4, 0.01<=a<=0.98, 10 ‑4 <=b<=10 ‑2 M is a combination of one or more selected from magnesium, titanium, vanadium, chromium, cobalt, nickel, zinc, gallium, aluminum, zirconium, niobium, molybdenum, tin, antimony, calcium, barium, strontium, boron, ruthenium, silicon, tellurium, copper and lithium, and the particle size is below 50 nm, and the material also has a porous structure. The material can be used for preparation of lithium manganese iron phosphate positive electrode materials in lithium ion batteries, and the specific capacity, rate and cycle performance of the obtained positive electrode materials are improved.

This invention discloses a method for precipitation separation and ceramic solidification of divalent strontium and tetravalent uranium in radioactive waste liquid, relating to the field of radioactive waste liquid treatment and disposal. U in high-level radioactive waste liquid is in the form of hexavalent uranyl (UO2). 2+ U exists in the form of hydrogenation catalytic reduction, and the present invention uses hydrogenation catalytic reduction to prepare U. 4+ Sr 2+ and U 4+ ionic radius and Ln 3+ Due to the significant differences, CePO4·0.667H2O cerium phosphate, which has a stronger nuclide-containing capacity, was selected as the co-precipitation enrichment agent for Sr. 2+ and U 4+ Separation precipitant. Inexpensive raw materials such as UO2(NO3)2·6H2O, Sr(C2H3O2)2, NH4H2PO4, and Ce(NO3)3·6H2O are selected. By controlling the Sr... 2+ :U 4+ Ion ratio, reaction time, temperature, pH, and preparation of well-developed Sr crystals 2+ / U 4+ The precipitate of cerium phosphate solid solution with high solid content is avoided by using spark plasma solid-state sintering technology to prevent grain agglomeration and adhesion during high-temperature dehydration and crystal transformation of cerium phosphate. Furthermore, pressure sintering can promote further growth of nanocrystals and promote U... 4+ and Sr 2+ Homogenization within the monazite ceramic solidified body enables a one-step preparation of monazite ceramic solidified body from a lanthanite solid solution.

Disclosed is an eye drop composition for treating and preventing eye diseases. The eye drop composition for treating and preventing eye diseases contains, as active ingredients, minerals that have lost at least one electron, selected from germanium (Ge), silver (Ag), iridium (Ir), nickel (Ni), palladium (Pd), tantalum (Ta), antimony (Sb), zinc (Zn), indium (In), boron (B), astatine (At), thallium (Tl), magnesium carbonate (MgCO3), tin (Sn), iron (Fe), calcium sulfide (CaS), molybdenum (Mo), chromium (Cr), sodium (Na), tungsten (W), gallium (Ga), strontium (Sr), potassium (K), beryllium (Be), barium (Ba), magnesium (Mg), scandium (Sc), yttrium (Y), calcium (Ca), titanium (Ti), vanadium (V), hafnium (Hf), bromine (Br), zirconium (Zr), copper (Cu), manganese (Mn), rubidium (Rb), technetium (Tc), platinum (Pt), niobium (Nb), gold (Au), phosphate (Pi), rhenium (Re), ruthenium (Ru), cobalt (Co), zinc oxide (ZnO), aluminum (Al), selenium (Se), bismuth (Bi), phosphorus (P), rhodium (Rh), silicon (Si), iodine (I), tellurium (Te), sulfur (S), lithium (Li), osmium (Os), magnesium hydroxide (Mg(OH)2), and cesium (Cs), wherein the minerals are at least five types of minerals. The eye drop composition is very safe for the human body, and thus can be very effectively used as an eye drop agent for treating and preventing eye diseases, as well as for completely curing cataracts.

Methods for photocatalytic water splitting of produced waters may comprise introducing a photocatalyst comprising a semiconductor to a produced water comprising ions of sodium, chloride, calcium, magnesium, potassium, sulfate, barium, iron, lithium, strontium, or any combination thereof; in the presence of sunlight, allowing the photocatalyst to facilitate a reduction-oxidation reaction of a plurality of water molecules from the produced water; and obtaining hydrogen and oxygen.

Provided herein are methods and systems for extracting zirconium and / or other impurities from a strontium-containing mixture. A method for removing zirconium from a mixture including zirconium and strontium can include converting at least a portion of a Zr-containing precursor to ZrF4 in the mixture, converting at least a portion of a Sr-containing precursor to SrF2 in the mixture, solubilizing at least a portion of the ZrF4 and / or the SrF2 in a solvent to create a solution, and / or separating at least a portion of the solubilized ZrF4 and / or at least a portion of the solubilized SrF2 from the mixture.

The invention relates to a multi-permeable reactive barrier developed for use in nuclear power plants, which provides the uptake of cesium and strontium radionuclides, and contains at least one upper cover (1) providing fixation, through which the liquid enters; at least one lower cover (2) providing fixation, through which the liquid exists (drainage); at least one sealing element (3) positioned to separate each component from each other; at least one liquid permeable filter (4); and at least one body (5) containing zeolite, diatomite, clay and sepiolite components, respectively from top to bottom.

A multilayer piezoelectric element includes: (i) multiple piezoelectric ceramic layers, wherein: a primary component constitutes a perovskite structure of an alkali niobate; at least one of calcium, strontium, and barium, and silver, are contained; 0.1-2.0 mol of lithium, and 1.5-4.0 mol of silicon, per 100 mol of the primary component, are contained in a manner that a ratio of Li / Si becomes 0.025 or higher but under 0.40; and as measured with an X-ray diffraction measurement, a strongest diffraction line intensity (Imax) at 10.00°≤2θ≤50.00°, a strongest diffraction line intensity (IL2S) at 26.50°≤2θ≤27.50°, and an average value of diffraction line intensity (IBG) at 27.50°≤2θ≤29.00° satisfy a relationship R1=(IL2S−IBG) / (Imax−IBG)×100≥0.20; and (ii) internal electrodes that are placed between the multiple piezoelectric ceramic layers, and formed by a metal whose silver content is 80% by mass or higher.

The present invention belongs to the technical field of nuclide adsorption materials, and specifically discloses a Ca-ZrP-1,8-octanediamine composite material, its preparation method, and use. The composite material is synthesized by intercalation and ion exchange reaction using hydrothermal ZrP as a substrate. Compared with the prior art, the process for preparing the Ca-ZrP-1,8-octanediamine composite material is simple, economical, and does not produce intermediate products that pollute the environment. The prepared Ca-ZrP-1,8-octanediamine composite material has better adsorption performance than pure zirconium phosphate, stable performance in a wide pH range and a high correlation coefficient, and is more effective for Sr at pH = 1. 2+ The adsorption capacity reaches 34.52 mg / g, which is much higher than that of pure ZrP and can be used for the adsorption of radionuclide strontium.

The present invention belongs to the technical field of bonded copper wires, and particularly relates to a palladium-plated bonded copper wire and its preparation process. Copper, platinum, cobalt, zirconium, magnesium, strontium, rare earth metal elements and silicon are mixed to form a copper-based bonded wire material. The functions of the metals platinum, cobalt and zirconium and the combined silicon help to improve the internal grain distribution structure of the copper wire, improve the mechanical properties such as the tensile strength of the copper wire, the balling degree and the oxidation resistance; the magnesium, strontium and rare earth metal elements used help to improve the bonding performance of the bonded copper wire. The primary and secondary palladium plating processes are adopted to make the bonded copper wire have excellent tensile properties, bonding properties and oxidation resistance.

The invention discloses a preparation method of a composite aerogel for adsorbing cesium and strontium in wastewater. The composite aerogel prepared by the invention shows multiple technical advantages: due to a unique hierarchical pore structure, the composite aerogel has ultralow density and high porosity; rich surface functional groups of MXene and the ion screening effect of PB generate a synergistic effect, and selective removal of radionuclides such as Cs and Sr in wastewater is realized. Compared with traditional ion exchange resin and zeolite adsorbents, the adsorbent has the advantages of being large in adsorption capacity, short in adsorption time, high in adsorption efficiency, good in circulation effect and the like, and is particularly suitable for the fields of nuclear industry wastewater treatment, radioactive pollution emergency repair and the like.

A high-power, high-temperature-stability M-type strontium ferrite belongs to the field of ferrite material preparation technology. The ferrite comprises a main formulation of SrCO3, La2O3, CaCO3, MnO, SnO2, Fe2O3, and Co2O3, and additives composed of CaCO3, SiO2, H3BO3, and La2O3. This invention introduces Sn-Mn ions for co-substitution, thereby constructing a Sn... 4+ -Mn 2+ The charge balance mechanism effectively suppressed the Fe ionization induced by the introduction of high-valence ions. 3+ To Fe 2+ Price change behavior, effective compensation after replacement due to the introduction of non-magnetic Sn 4+ This results in a loss of lattice magnetic moment. Simultaneously, through a stepped pre-sintering and sintering process, a CoFe2O4 hard magnetic spinel phase is induced to precipitate in the M-type strontium ferrite main phase. The negative coercivity temperature coefficient of the CoFe2O4 phase complements the inherent positive temperature coefficient of the matrix.

The invention relates to the technical field of deslagging systems, in particular to a deslagging system in strontium salt production and a recycling method thereof.The deslagging system comprises a conveying line with a waste residue inlet and outlet, a waste residue pushing structure is arranged in the conveying line, a heat dissipation barrel is arranged in the middle of the conveying line, and the heat dissipation barrel communicates with an inner cavity of the conveying line; an inner rotating cylinder with an opening is rotatably mounted in the heat dissipation cylinder, the inner rotating cylinder is rotatably mounted on a water changing seat through a bearing, the inner rotating cylinder is driven by a heat dissipation motor, a water cooling structure is connected to the water changing seat, a floating plate is mounted on the water changing seat in a lifting manner, and a pressing piece is connected to the floating plate; a bidirectional driving structure is arranged on the heat dissipation cylinder, a selective linkage structure is installed on the inner rotating cylinder, when the floating plate ascends and descends, the state of the linkage structure can be adjusted through a pressing piece, the effect that the rotating direction of the inner rotating cylinder is adjusted according to the height of waste residues in the inner rotating cylinder is achieved, and a heat dissipation pipe is vertically installed on the conveying line; and the purpose of ensuring rapid heat dissipation of the waste residues under the conditions of not polluting the environment and saving space is achieved.