149results about How to "Realize harmless treatment" patented technology

The invention relates to the technical field of solid waste treatment, in particular to a harmless barium slag compound and a preparation method and application thereof. The preparation method comprises the following steps: grinding barium slag and desulfurized gypsum, mixing with water, and standing and curing to obtain a harmless barium slag compound; the mass ratio of the barium slag to the desulfurized gypsum is limited to be (1-10.1): 1; the mass ratio of the water to the mixture of the barium slag and the desulfurized gypsum is (0.18-0.32): 1; soluble sulfate provided by the desulfurized gypsum is used, free barium ions in the barium slag are fixed through precipitation, barium sulfate is formed, and harmless fixation is achieved. The leaching concentration (horizontal oscillation method) of heavy metal ions in the barium slag is lower than the drinking water standard and the hazardous waste identification standard, and harmless treatment of the barium slag is achieved. The problems of reduction, harmlessness and recycling of industrial solid waste (desulfurized gypsum) and hazardous waste (barium slag) can be solved, and collaborative resource utilization and environmental protection of the solid waste and the hazardous waste are promoted.

The invention belongs to the related technical field of animal remains treatment, and discloses an animal remains treatment device which comprises a box body, a spraying unit is arranged at the top of the box body, a soaking and freezing unit is arranged below the spraying unit, animal remains are placed in the soaking and freezing unit, and the animal remains are conveyed to a vacuum drying unit after being sprayed, soaked and frozen. And performing crushing treatment after drying. Two-phase heat exchange of liquid nitrogen spraying is utilized, quick freezing of the remains is achieved, then liquid nitrogen is utilized for soaking, and ductile-brittle transformation of animal remains tissue is achieved; sublimation of water in the remains is achieved through negative pressure, drying of the animal remains is achieved, mechanical damage is reduced to the maximum extent, pathogens and bacteria can be effectively killed through liquid nitrogen freezing and smashing, and therefore the risk of infectious diseases is reduced.

The invention discloses a material and method for reducing the content of heavy metals and nitrogen and phosphorus in bottom mud, the material is suitable for reducing the content of heavy metals and nitrogen and phosphorus in bottom mud, and the material comprises the following components in parts by mass: 100 parts of calcareous shale, 20-40 parts of steel slag, 6-10 parts of activated carbon powder and 6-10 parts of medium-coarse sand; the sintering material is formed by sintering a mixed material, and the mixed material comprises the following components in parts by mass: 100 parts of calcareous shale, 20-40 parts of steel slag, 6-10 parts of activated carbon powder and 6-10 parts of medium-coarse sand; and 2-4 parts of an adhesive. The material for reducing the contents of heavy metals and nitrogen and phosphorus in the bottom mud not only blocks the pollution of sludge to water quality, but also effectively reduces the contents of heavy metals and nitrogen and phosphorus nutrients in the bottom mud in situ, and can reduce the thickness of the bottom mud, improve the characteristics of the bottom mud and really realize harmless treatment of the bottom mud.

The invention discloses a method for preparing lithium carbonate by using a waste lithium iron phosphate positive electrode material, which comprises the following steps: pulverizing the waste lithium iron phosphate positive electrode material, sieving, fully mixing the pulverized waste lithium iron phosphate positive electrode material with concentrated sulfuric acid, and carrying out dump leaching for 6-12 hours; primary leaching: raw materials come from secondary leaching residues, acid is adjusted to the pH value of 1.5-2.0, sodium ferrate is added, stirring leaching is performed at the temperature of 60-70 DEG C, leaching liquid serves as secondary leaching liquid, and leaching residues are recycled to be used for preparing iron phosphate raw materials; and secondary leaching: the solution comes from the primary leaching solution, acid is consumed by using heap leaching raw materials, the end point PH is controlled to be 3.0-3.5, sodium ferrate is added, and stirring leaching is performed under the condition of 45-55 DEG C. No hazardous waste is generated in the whole process, leaching residues are used as raw materials for preparing iron phosphate, calcium carbonate can be recycled for acid adjustment, and harmless treatment is truly achieved.

The invention relates to the technical field of cleaning equipment, and discloses a wild jujube cleaning machine which comprises a treatment box which serves as a basic component of the whole device and is used for assembling and bearing all treatment mechanisms and subordinate structural parts of the treatment mechanisms. The partition seat is fixedly connected to the middle of the inner side of the treatment box and used for dividing the space of the upper and lower parts of the inner side of the treatment box into an arc-shaped cavity, a sorting cavity and a collecting cavity; and the attachment and separation mechanism is used for carrying out separation treatment on soil, dust and other impurities attached to the wild jujubes fed into the equipment. By adding and arranging the gas-liquid mixed washing mechanism, when the wild jujubes treated by the attachment and separation mechanism are washed, the wild jujubes are washed in a gas-liquid mixed mode, water resource consumption in the wild jujube washing process can be effectively reduced, and a large amount of water cost can be saved for enterprises; in addition, by reasonably controlling the switching frequency and pressure of water and air, a good cleaning effect can be achieved under low water pressure.

The invention provides an ionization irradiation-electroosmosis coupled sludge deep dehydration and innocent treatment device, system and method. The device comprises: an irradiation shielding housing which encloses a closed processing chamber; the middle layer assembly is arranged in the irradiation shielding shell in an up-and-down movable mode and divides the irradiation shielding shell into an upper-layer processing chamber and a lower-layer processing chamber; the irradiation sources are arranged in the upper-layer treatment chamber and the lower-layer treatment chamber; the middle layer assembly is sequentially provided with a first cathode plate, a first water collecting device and a second anode plate from top to bottom; a first anode plate is arranged at the top of the upper-layer treatment chamber; a second cathode plate and a second water collecting device are sequentially arranged at the bottom of the lower-layer treatment chamber from top to bottom; and the first cathode plate and the second cathode plate are provided with holes and are paved with filter screens. The treatment system and method can realize simultaneous upper-layer irradiation and lower-layer dehydration or lower-layer irradiation and upper-layer dehydration treatment, and have the advantages of high treatment efficiency, safety and reliability.

The invention discloses a treatment method for medium-temperature roasting and curing of electrolytic manganese residues, and belongs to the technical field of solid waste treatment. The method comprises the following steps: crushing an electrolytic manganese residue raw material, carrying out ball-milling mixing on the crushed electrolytic manganese residue raw material, calcium silicate and barium chloride to obtain a mixed material, and calcining the mixed material at 750-1000 DEG C to obtain the solidified electrolytic manganese residue. The heavy metal ion leaching concentration of the solidified electrolytic manganese residues is lower than the national limit standard, secondary pollution is prevented, and the method is short in technological process, easy to operate, low in additive dosage, low in cost and capable of being applied and popularized on a large scale.

The method comprises the following steps: crushing the cyanidation tailings, putting the crushed cyanidation tailings, biomass material powder and an alkaline substance into a reaction kettle, adding water, heating to 200-350 DEG C, carrying out hydrothermal reaction treatment, and filtering after the hydrothermal reaction is finished, so as to obtain a sodium silicate solution and a solid filter; adding hydrochloric acid into the sodium silicate solution for pH regulation, then adding bone glue, heating, stirring, filtering and separating to obtain the sodium silicate solution and desiliconized tail liquid; and the solid filtered matter is subjected to gold element enrichment through a carbon leaching method, then solid-liquid separation is conducted, the solid obtained through separation is subjected to magnetic separation, and gold-loaded carbon and iron ore concentrate are obtained. According to the method, the waste biomass material is adopted as a reduction material of the cyanidation tailings, and a hydrothermal treatment mode is adopted in an alkaline environment, so that the process cost in the production process can be greatly reduced, no harmful substance is generated in the reduction process, and the environment can be effectively protected; and meanwhile, separation of valuable metals can be promoted.

The invention discloses an artificial aggregate prepared from desulfurized solid waste as well as a preparation method and application of the artificial aggregate, and belongs to the technical field of solid waste resource utilization. The preparation method comprises the following steps: carrying out ball milling treatment on the desulfurization slag to obtain desulfurization slag powder; the waste incineration fly ash is subjected to low-temperature pyrolysis treatment, and pretreated waste incineration fly ash is obtained; mixing the desulfurized fly ash, the desulfurized slag powder and the pretreated waste incineration fly ash to obtain a raw material mixture; adding water into the raw material mixture, and pelletizing to obtain aggregate particles; the aggregate particles are subjected to air curing and mineralization curing in sequence, and the composite material is obtained. The invention further discloses the artificial aggregate prepared by the method and application of the artificial aggregate. The artificial aggregate prepared from the desulfurized solid waste is high in compressive strength and stable in ion sealing, can solve the problems that existing coal ash-based aggregate is low in strength and high in dependency on additives, and is wide in application prospect.

The invention discloses a method for co-processing chromium-containing aluminum mud and electrolytic aluminum overhaul slag, which comprises the following steps of: oxidizing cyanide in the finely ground overhaul slag into carbon dioxide and nitrogen by using hexavalent chromium with strong oxidizing property in the chromium-containing aluminum mud under an acidic condition, and adding calcium oxide into decyanated slag to obtain trivalent chromium precipitate and insoluble villiaumite; and chloridizing the washed and dried precipitation slag by adopting aluminum chloride, carrying out multi-stage condensation separation and purification on the chloridized flue gas to respectively obtain ferric trichloride and aluminum trichloride, carrying out heat exchange and washing on the chloridized slag to obtain a chromium trichloride solution, and carrying out alkaline leaching to obtain sodium aluminate and tailings. According to the method, oxidation-reduction characteristics of the chromium-containing aluminum mud and the overhaul slag are utilized to cooperate with detoxification, a carbon-based wave-absorbing material in the overhaul slag is subjected to microwave heating for chlorination recovery of valuable elements, the heating rate is high, heating is uniform, the reaction efficiency is high, harmless treatment of the two hazardous wastes is achieved, the valuable elements such as chromium and aluminum in the hazardous wastes are effectively recovered, and the method is suitable for industrial production. And the energy utilization rate is high.

The invention discloses a preparation method of environment-friendly cement. The preparation method comprises the following steps: step 1, crushing and screening construction waste to obtain aggregate and powder; 2, the organic waste is subjected to pyrolysis treatment, and pyrolysis residues are obtained; 3, limestone, clay, the aggregate and powder in the step 1 and the pyrolysis residues in the step 2 are mixed, calcined and ground, and the environment-friendly cement is obtained. Wherein the construction waste is calculated according to the weight of the aggregate and the powder, the organic waste is calculated according to the weight of the pyrolysis residue, and the weight parts of the limestone, the clay, the construction waste and the organic waste are 35-45 parts, 5-10 parts, 45-55 parts and 6-18 parts respectively. Compared with the prior art, the cement has the advantages that the production cost is reduced by 15-30%, the heavy metal content of pyrolysis residues treated by the technical scheme is reduced by 40-70%, and the 28d strength of cement clinker is improved by 5-20% compared with that of common cement.

The invention discloses an amido-functionalized resin-based nano zero-valent ruthenium-loaded composite material, a preparation method thereof and application of the amido-functionalized resin-based nano zero-valent ruthenium-loaded composite material in catalytic reduction of bromate in a water body, a matrix of the composite material is polystyrene resin with a propane diamine group, the matrix is spherical, the particle size distribution is 0.20-0.80 mm, and the pore size distribution is 1-50 nm; holes are uniformly distributed in the surface of the matrix, zero-valent ruthenium nanoparticles are uniformly distributed in the holes, the particle size of the zero-valent ruthenium nanoparticles is 2.0-30 nm, and the zero-valent ruthenium loading rate of the resin-based composite material is 0.5-5%. According to the invention, the resin-based zero-valent ruthenium composite material is used for reducing and removing bromate in the water body, and the composite material utilizes zero-valent ruthenium to enhance the reduction capability and selectivity of the reaction on the basis that a propylene diamine functional group has certain adsorption and reduction of bromate; tests show that when the pH value of a water body is 2.0-10.0, most bromate can be converted into bromide.

The invention provides an electronic waste metal resource harmless extraction process based on a green chemical method, and aims to realize efficient recovery and harmless treatment of precious metals and common metals in electronic wastes. According to the process, low-toxicity organic acid (such as citric acid and oxalic acid) is adopted as a solvent, and metal dissolution and selective complexation are carried out under the condition of normal temperature or low temperature. By regulating and controlling the pH value of the solution and the concentration of the complexing agent, efficient separation and extraction of metal are achieved. The system integrates an automatic monitoring module, the dissolving, electrolyzing and precipitating processes are adjusted in real time, meanwhile, a cyclic waste liquid treatment system is adopted, and water resource consumption and waste liquid discharge are effectively reduced. Compared with a traditional high-temperature smelting and acid leaching process, the method has the advantages that energy consumption and environmental pollution are greatly reduced, and the metal recovery rate and economic benefits are improved. The process is suitable for treating various electronic wastes, conforms to the green and environment-friendly concept, and has a wide market application prospect.

The invention relates to the technical field of wastewater treatment, in particular to a high-concentration unsymmetrical dimethylhydrazine wastewater treatment method which comprises the following steps: A) performing filtration pretreatment on unsymmetrical dimethylhydrazine wastewater; b) directly performing electron beam circulating irradiation treatment on the filtered wastewater, and accumulating the electron beam absorbed dose without adding chemical agents; c) detecting unsymmetrical dimethylhydrazine concentration and COD (Chemical Oxygen Demand) concentration of the wastewater subjected to electron beam irradiation treatment; when the removal rate of unsymmetrical dimethylhydrazine in the wastewater is greater than or equal to 90% and the removal rate of COD (Chemical Oxygen Demand) is greater than or equal to 80%, the wastewater enters an electrochemical reactor to be subjected to electrochemical reaction; d) detecting unsymmetrical dimethylhydrazine concentration and COD (Chemical Oxygen Demand) concentration of the wastewater after the electrochemical reaction; and when the concentration of unsymmetrical dimethylhydrazine in the wastewater is less than 0.5 mg / L and the COD is less than 120mg / L, entering the next step of treatment when the treatment requirement is met. According to the method, the degradation rate of unsymmetrical dimethylhydrazine and the COD removal rate can be effectively improved, and harmless treatment of the wastewater can be realized by adopting simple operation steps.

The invention belongs to the technical field of water treatment materials, and particularly relates to a coal gasification slag unfired ceramsite filter material as well as a preparation method and application thereof. The coal gasification slag thermal insulation material comprises the following raw materials in parts by weight: 67.5-95 parts of coal gasification slag, 5-15 parts of active powder, 0-20 parts of metakaolin, 2-8 parts of expanded perlite, 0.1-0.5 part of a foam stabilizer and 1-3 parts of a foaming agent. The unfired ceramsite filter material has the advantages of being reusable, green and environment-friendly in preparation process, low in follow-up treatment cost, capable of being reused after failure and the like.

This invention discloses an artificial aggregate prepared using desulfurization solid waste, its preparation method, and its application, belonging to the field of solid waste resource utilization technology. The preparation method includes the following steps: ball milling desulfurization slag to obtain desulfurization slag powder; low-temperature pyrolysis treatment of waste incineration fly ash to obtain pretreated waste incineration fly ash; mixing desulfurization ash, desulfurization slag powder, and pretreated waste incineration fly ash to obtain a raw material mixture; adding water to the raw material mixture and pelletizing to obtain aggregate particles; subjecting the aggregate particles to air curing and mineralization curing sequentially to obtain the final product. This invention also discloses the artificial aggregate prepared by the above method and its application. The artificial aggregate prepared using desulfurization solid waste of this invention has high compressive strength and stable ion storage, which can solve the problems of low strength and high dependence on admixtures in existing coal ash-based aggregates, and has broad application prospects.

The invention belongs to the technical field of building materials, and provides a waste incineration fly ash-based high belite sulphoaluminate cement clinker and a preparation method thereof. The clinker is prepared from the following raw materials in parts by mass: 32.25 to 34.25 parts of waste incineration fly ash, 41.34 to 43.34 parts of carbide slag, 0.36 to 2.36 parts of ferric oxide and 22.05 to 24.05 parts of bauxite tailings. According to the method, the waste incineration fly ash serves as a preparation raw material, the fly ash contains high-content calcium sulfate and heavy metal ions, the components enter C2S mineral lattices in the calcination process, lattice distortion is caused, and the activity of C2S is improved. Meanwhile, heavy metal ions in the fly ash are effectively solidified in a clinker mineral structure, the leaching risk of heavy metal and environmental pollution are reduced, and harmless treatment of the fly ash is achieved. The waste incineration fly ash based high belite sulphoaluminate cement clinker prepared by the preparation method disclosed by the invention has excellent early compressive strength.

The utility model discloses an injection molding waste gas adsorbing and cleaning device, which relates to the technical field of waste gas treatment, and comprises a barrel and a spray dust removal component, the spray dust removal component is arranged at the bottom end in the barrel, and the spray dust removal component comprises a sedimentation tank, a slag discharge pipe, a circulating pipe, a filter screen, a water pump and a spray pipe. According to the injection molding waste gas adsorbing and cleaning device, the corrugated suction heads are connected outside the corresponding threaded connectors according to requirements, the idle air inlets are plugged through the rubber plugs, then the motor is started to drive the centrifugal impeller in the support to rotate, negative pressure is generated in the barrel, waste gas generated during injection molding and material taking is sucked into the barrel, and the waste gas is sucked into the barrel. On one hand, the input end of the water pump is communicated with the settling pond through the circulating pipe inlet, on the other hand, the output end of the water pump is communicated with the spraying pipe through the circulating pipe outlet, and liquid medicine mixed with a chemical absorbent in the settling pond is combined with waste gas in an atomization mode and used for cleaning the waste gas, removing a large amount of dust and reducing the temperature of the waste gas.

A process flow for treating Chinese medicinal residues and its application. The problem of environmental pollution caused by existing Chinese medicinal residues is solved. It includes step 1, a residue transfer bin; step 2, a wet material crushing system, which is used to pre-treat and crush the Chinese medicinal residues; step 3: a residue dehydration system, which is used to remove part of the water in the Chinese medicinal residues; step 4: a fiber crushing system, which is used to further refine the form of solid materials; step 5: a fermentation bin, which breaks up the fiber crushing system, and the crushed materials and fermentation auxiliary materials are transported to the fermentation bin, and the materials and auxiliary materials are uniformly stirred and heated to assist in removing water through the stirring and heating auxiliary fermentation functions, and the moisture content of the materials is reduced to 30%, and fermented in the fermentation bin. The effective materials treated by this process can be used as organic fertilizer or biological feed. The present invention develops medicinal residues into products with high added value, realizes the harmless treatment of Chinese medicinal residues, and realizes energy recycling.

The invention discloses a method for resource utilization of sludge and preparation of a soil conditioner, comprising the following steps: nitrogen is charged into a hydrothermal reactor to exhaust air, sludge is sent into the reactor for hydrothermal carbonization reaction, after the reaction is finished, solid-liquid separation is performed on the obtained hydrothermal product to obtain hydrothermal charcoal; the hydrothermal charcoal and eggshell are mixed, placed in an incinerator, air is introduced, and incineration is performed to obtain incineration ash, deionized water is added into the incineration ash, and then concentrated sulfuric acid is added to adjust pH, and phosphorus is leached by stirring, concentrated sulfuric acid is intermittently added during the leaching process to keep pH stable, and after the leaching is finished, acid leaching solution and acid leaching residue are respectively obtained by centrifugal filtration; straw and eggshell are immersed in a magnesium chloride solution, modified by magnesium chloride, and then subjected to high-temperature pyrolysis to obtain pyrolytic charcoal; the pyrolytic charcoal adsorbs phosphorus in the acid leaching solution, and the obtained phosphorus-rich biochar can be directly used as a soil conditioner.

The invention discloses a method for preparing a road base material by using incineration slag and polluted sludge, which comprises the following steps: carrying out wet tempering and chemical modification on the incineration slag to obtain activated incineration slag; treating the solid-phase sludge by using low-temperature plasma to obtain pretreated sludge; uniformly mixing the activated incineration slag and the pretreated sludge to obtain a mixed raw material; adding a mineralizer into the mixed raw material, uniformly mixing, and adding water to obtain a reaction wet material; performing hydrothermal reaction on the reaction wet material to obtain a mineralized material; and uniformly mixing the mineralized material with the water glass solution to obtain the road base material. According to the method, heavy metals in the incineration slag and the polluted sludge are promoted to react with the mineralizing agent under the hydrothermal treatment condition, so that the heavy metals are solidified and stabilized, and the long-term leaching risk of the heavy metals in the roadbed and the mobility of the heavy metals in the environment are effectively reduced. Meanwhile, a thermodynamically stable mineral phase is generated by hydrothermal treatment, so that the strength, durability and compression resistance of the roadbed material are remarkably enhanced.

The invention provides a well drilling solid waste treatment method. The well drilling solid waste treatment method comprises the steps that well drilling solid waste is pretreated; carrying out deep treatment on the pretreated drilling solid waste; and carrying out tail gas treatment on the well drilling solid waste subjected to deep treatment. According to the well drilling solid waste treatment method, reduction, harmlessness, stabilization and recycling of well drilling solid waste are achieved through the three steps of pretreatment, deep treatment and tail gas treatment.

This utility model discloses a waste treatment device for isothiazolinone production, relating to the field of isothiazolinone production technology. The waste tank is connected to a first filter, the first filter is connected to a settling tank, the settling tank is connected to a distillation tank, the distillation tank is connected to a degradation tank, the degradation tank is connected to a sedimentation tank, the sedimentation tank is connected to a second filter, the second filter is connected to a nanofiltration membrane device, and the nanofiltration membrane device is connected to a treatment water tank. This device can effectively remove harmful substances from the isothiazolinone production waste, achieving harmless treatment of the waste and also realizing resource recycling to a certain extent, thus possessing good environmental and economic benefits.

The invention discloses a wild termitomyces albuminosus tending method, which belongs to the technical field of fungus cultivation, and comprises the following steps: (1) searching a point location where wild termitomyces albuminosus grows or a region where termites for cultivation move in a region where the altitude does not exceed 2500m and the termites for cultivation live, determining a wild termitomyces albuminosus unearthed point within a range of 0.5-3m from the center or a termite cultivation activity area as a tending point; (2) punching a plurality of pits in the tending points according to the soil thickness condition; putting materials which are fond of the termites for cultivation into the pits; and covering the distribution range of the pits with agricultural and forestry wastes, stacking into a food pile, covering, and managing the food pile and the soil around the tending point. The method solves the problems that existing wild termitomyces albuminosus propagation promotion cannot completely cover all habitats of termitomyces albuminosus, water and soil loss is easily caused, inoculation procedures are complex and the like, and water and soil conservation can be promoted while the yield of the wild termitomyces albuminosus is remarkably increased.

According to the electrolytic bath system, the walking support and the fiber separation equipment, the fiber separation equipment comprises the electrolytic bath system, the walking support and a cleaning tank, electrolytic bath bodies and the cleaning tank are both installed on a base, the electrolytic bath bodies comprise the multiple electrolytic bath bodies, and the multiple electrolytic bath bodies and the multiple cleaning tanks are sequentially arranged in a straight line; according to the device, the composite wire is wound outside the titanium barrel, and the composite wire wound outside the titanium barrel can be automatically electrolyzed and cleaned by utilizing the matching of the walking bracket, the electrolytic bath system and the cleaning tank, so that the working efficiency is improved, and the working efficiency is improved. Manual intervention is not needed in the whole process, and the safety of operators is guaranteed.

The invention belongs to the technical field of composite microbial agents, and particularly relates to a composite microbial agent for liquid dung treatment and a preparation method and application thereof. The compound microbial agent is a mixed microbial agent of streptomyces isothiocyanate (HBU11), aspergillus niger (Aspergillus niger) HBUN19, bacillus subtilis (HBU29) and Hydrogenobacterium bissanensis HBU34, and the compound microbial agent is a mixed microbial agent of bacillus subtilis (HBU19), bacillus subtilis (HBU29), bacillus subtilis (HBU34), bacillus subtilis (HBU29), bacillus subtilis (HBU29), bacillus subtilis (HBU29), bacillus subtilis (HBU29), bacillus subtilis (HBU29), bacillus subtilis (HBU29), bacillus subtilis (HBU29), bacillus subtilis (HBU29), bacillus subtilis (HBU29), bacillus subtilis (HBU29), bacillus subtilis (HBU29) and bacillus subtilis (HBU34). The compound microbial agent is efficient, non-toxic and biodegradable, and can effectively degrade organic matters in the liquid dung and remarkably reduce the content of pollutants such as ammonia nitrogen and total phosphorus in the liquid dung through compound use of various efficient strains, so that harmless treatment of the liquid dung is realized.

The invention discloses a carbon-based soil conditioner based on coal slime as well as a preparation method, system and application thereof, and belongs to the technical field of environment-friendly agriculture, the carbon-based soil conditioner is prepared from the following raw materials in parts by mass: 10-90 parts of coal slime, 2-15 parts of an activator, 4-40 parts of a nutrient substance, 10-50 parts of an organic matter and 4-20 parts of a pH value regulator; the activating agent is formed by compounding a sulfuric acid solution, a nitric acid solution and a phosphoric acid solution; the pH value regulator is formed by compounding copper sulfate, ferrous sulfate and monopotassium phosphate. The carbon-based soil conditioner is obtained by activating the coal slime and mixing the activated coal slime with the nutrient substances, the organic matters and the pH value regulator, so that the utilization rate of the coal slime is effectively increased, meanwhile, the soil can be better improved, and the yield and quality of crops can be improved.

The utility model relates to the technical field of sewage treatment, and provides an unpowered sewage treatment tank which comprises a left treatment tank and a right treatment tank, the left treatment tank and the right treatment tank are in sealed communication through a connecting cylinder, and the left treatment tank and the right treatment tank are each provided with a liquid inlet and a reserved punching position capable of punching multiple positions. The upper end of the left treatment tank and the upper end of the right treatment tank are provided with observation openings, sealing covers are detachably installed at the observation openings, a middle filter cylinder is installed on the inner wall of the connecting cylinder in a sliding mode, an annular supporting frame is arranged on the middle filter cylinder, and the annular supporting frame is placed at the upper end of the connecting cylinder. The device is simple in structure, convenient to use, suitable for being used in different scenes, small in occupied space and capable of achieving harmless treatment of toilet excrement and domestic sewage synchronously, excrement can be taken out conveniently through the middle filter cylinder, the treated sewage can be used for irrigation of vegetables and crops, and reasonable utilization of resources is achieved.

The utility model provides a transmission window and a reflection type X-ray tube, the transmission window comprises a beryllium window sheet and a graphene film layer, the beryllium window sheet is a sheet comprising an upper surface and a lower surface which are opposite to each other, and the graphene film layer covers the upper surface and the lower surface of the beryllium window sheet. According to the utility model, the graphene film layer covers the surface of the beryllium window sheet, the air leakage probability of the transmission window when the beryllium window sheet is thin is reduced by using the characteristics of high heat conductivity, high strength, high air tightness, good ray permeability and low manufacturing cost of the beryllium window sheet, the product yield of sealing of the transmission window is improved, the manufacturing cost of the transmission window is reduced, and the production cost of the transmission window is reduced. The mechanical strength, the heat dissipation characteristic and the working reliability of the transmission window are also improved; in addition, through covering of the graphene film layer on the surface of the beryllium window sheet, harmless treatment of the beryllium window sheet is realized, the potential personnel poisoning risk caused by leakage of highly toxic beryllium oxide on the surface of the beryllium window sheet is eliminated, and the production safety is improved.

The invention discloses a self-crosslinking type soft low-smoke halogen-free flame-retardant polyolefin cable material as well as a preparation method and application thereof. The cable material comprises the following raw materials in parts by weight: 30-40 parts of modified polyethylene; 30 to 40 parts of modified polypropylene; 25 to 35 parts of an ethylene-tetrafluoroethylene copolymer; 30-40 parts of a fuming inhibitor; 40 to 50 parts of a halogen-free flame retardant; 2-3 parts of a lubricant; 2-3 parts of a compatibilizer; and 7-11 parts of a thermoplastic elastomer. The flame-retardant and smoke-suppression effects are achieved through aluminum hydroxide at the initial stage of combustion, the thermal decomposition temperature of PE and PP materials can be remarkably reduced through magnesium hydroxide, meanwhile, the excellent carbonization and flame-retardant effects on polymers are achieved, an isolation belt for isolating fire can be formed through the heating expansion characteristic of pentaerythritol phosphate melamine salt, and the flame-retardant and smoke-suppression effects are achieved. And the phosphorylated linseed oil is used as a bio-based flame retardant, so that harmless treatment of harmful substances can be realized during combustion, and the fireproof performance of the cable is further improved.