52results about How to "Prevent respawn" patented technology

The invention discloses a pyrolysis treatment system for removing organics in chemical abraum salt, and belongs to the field of treatment and disposal of the abraum salt and secondary pollution control. The pyrolysis treatment system comprises a first-level pyrolysis device, a second-level pyrolysis device and a waste gas treatment system, wherein the waste gas treatment system is composed of a quench tower, a spray tower and an organic waste gas purifying device. The chemical abraum salt is subjected to a first-segment low-temperature pyrolysis, moisture, hydrogen chloride and volatile organic pollutants are removed, then second-segment medium-temperature anaerobic pyrolysis is carried out at the temperature lower than salt melting temperature, so that the organics are subjected to pyrolysis to become a gaseous product, and the gaseous product is separated from the abraum salt; and meanwhile, the waste gas generated by the two segments of pyrolysis reaches the standard and is discharged after being treated by the waste gas treatment system. According to the pyrolysis treatment system for removing the organics in the chemical abraum salt, two segments of pyrolysis is used, the organics in the abraum salt can be removed, meanwhile, the pyrolysis temperature is controlled within a temperature interval generated by dioxin, and the purpose of controlling the generation of the dioxin is realized from the source. Therefore, the environmental risk of the abraum salt heat treatment is greatly reduced, and a beneficial route is provided for the recycling of dangerous wastes such aschemical industrial abraum salt.

The invention relates to a method for producing low-sulfur gasoline, which comprises the following steps that: firstly, gasoline raw materials are fractionated into light and heavy gasoline fractions, the light gasoline fractions are subjected to alkali washing for removing sulfur and alcohol, the heavy gasoline fractions are subjected to catalytic hydrogenation for removing sulfur-containing compounds, the heavy gasoline fractions after the hydrogenation desulfuration are introduced into a counter flow reactor from the middle part, hydrogenation sulfur and alcohol removal catalysts are filled in positions under a material inlet of the counter flow reactor, hydrogen-rich gas is introduced from the bottom of the reactor, a part of heavy gasoline fractions are vaporized into gas phase ingredients and liquid phase ingredients, the liquid phase ingredients flow from top to bottom and are in count flow contact with hydrogen gas on the catalysts for carrying out hydrogenation sulfur and alcohol removal reaction, the liquid phase ingredients after the sulfur and alcohol removal flow out from the bottom of the reactor, the gas phase ingredients and other gas are discharged out from the top of the reactor, the gas phase ingredients after the condensation are mixed with the liquid phase ingredients discharged from the bottom of the tower and the light gasoline fractions subjected to the alkali washing for removing sulfur and alcohol to obtain gasoline products. When the method provided by the invention is adopted, the gasoline product with the sulfur and alcohol sulfur content lower than 3mug/g can be producted, and simultaneously, the total sulfur content of the gasoline product is reduced.

The invention discloses a controlled cascade pyrolysis recovery and dioxin prevention and control method for waste salt in the chemical industry, and belongs to the field of waste salt treatment and secondary pollution control. The method comprises the following steps that firstly, low-temperature pyrolysis is performed on the waste salt to remove moisture and low-boiling-point organic matters inthe waste salt, and then high-temperature anaerobic pyrolysis is performed, and recovery is performed to obtain organic matter removed salt; meanwhile, pyrolysis waste gas is treated by a waste gas treatment system and is discharged after reaching the standard. According to the controlled cascade pyrolysis recovery and dioxin prevention and control method for waste salt in the chemical industry, the waste salt containing the organic matter is subjected to low-temperature and high-temperature two-stage controlled pyrolysis, high-temperature pyrolysis gas is subjected to quenching, generation ofdioxin and oxidizing gases such as nitrogen oxides and sulfur oxides is effectively avoided, therefore, the purposes that the waste salt is pyrolyzed to remove the organic matter, harmlessness and recycling are achieved, and generation of dioxin is controlled from the source are achieved. The method is high in organic matter removal rate, the generation of dioxin can be controlled from the source, the treatment and disposal cost of the waste salt and the environmental risk are greatly reduced, the method is controllable, and a beneficial path is provided for recycling hazardous wastes such asthe waste salt in the chemical industry.

The invention relates to a spot-removing essence emulsion. Active ingredients of the spot-removing essence emulsion comprise 0.5-8 parts of an ingredient A selected from zinc dioxide and titanium dioxide, 3-15 parts of an ingredient B selected from hyaluronic acid and tartaric acid, 3-15 parts of an ingredient C selected from tranexamic acid and ferulic acid, 5-25 parts of an ingredient D selected from ascorbic acid and 3-16 parts of an ingredient E selected from arbutin and barbaloin. The spot-removing essence emulsion is obtained by mixing emulsification of water-in-oil microemulsions comprising the ingredients C, D and E, an oil-in-water emulsion comprising the ingredient A, a coated emulsion comprising the ingredient B and a colorant. The spot-removing essence emulsion is designed based on a skin cell directional penetration technology (5XCell-Technology) and realizes directional penetration and layer-by-layer action of different active ingredients in different skin cell layers thereby producing substantial spot removing efficacy.

The invention discloses a lawn mower with a root removal mechanism. The lawn mower comprises a base, a mowing mechanism, the root removal mechanism and a cleaning mechanism; a hand holding frame is fixed at the rear side of the top of the base, an installation frame is fixed at the rear side of the bottom of the base, and rollers are installed on the installation frame; the mowing mechanism is arranged on the front side of the bottom of the base; the root removal mechanism is arranged on the rear side of the bottom of the base; the cleaning mechanism comprises a cleaning motor. When the lawn mower is operated, weeds are mowed by the mowing mechanism, so that only rhizomes with certain lengths of weeds are left on the surface of the ground, the rhizomes of the weeds are removed from soil bythe root removal mechanism to achieve deep cleaning of the weeds, the regeneration of the weeds is avoided, cleaning of the rhizomes of the weeds on a clamping plate is conducted by the cleaning mechanism, and the root removal mechanism can be constantly operated.

The invention discloses stainless steel passivation liquid and a passivation technology thereof. The stainless steel passivation liquid comprises, by weight, 40-50 parts of inorganic acid, 5-15 parts of hydrogen peroxide, 8-12 parts of cyclohexanol, 4-8 parts of 2-ethylhexyl epoxystearate, 4-6 parts of acetic anhydride, 2-4 parts of polyethyleneimine, 3-5 parts of carbomer resin, 2-4 parts of a penetrating agent, 1-3 parts of corrosion inhibitor and 10-20 parts of organic filler. The passivation technology of the stainless steel passivation liquid comprises polishing and rust removal, surface oil removal, first-time water washing, sand blasting, acid pickling passivation, second-time water washing and surface drying. The stainless steel passivation liquid is little in perniciousness, good in passivation effect and not prone to generating corrosive damage on a stainless steel product. The passivation technology is simple, operation is easy, the production cost is low, pollution to the environment is weak, and the standard of green and environment friendliness is met.

The invention discloses an industrial sludge recycling method, and belongs to the technical field of industrial sludge harmless treatment. The industrial sludge recycling method comprises the steps ofsludge sorting and mixing, sludge conveying, hydrothermal reaction, plate-frame pressure filtration and dewatering, sludge drying, pyrolysis, plasma gasification and tail gas treatment. The industrial sludge recycling method can effectively use a heat value of sludge, recycle potential heat energy in the sludge, recycle metal parts, melt residual inorganic matters into glass bodies which cover residual heavy metals to serve as building materials, avoid harms caused by the heavy metals entering water and basically implement zero discharge of pollutants.

The invention discloses a device and method for resource utilization and harmless treatment of oily sludge. The method comprises the following steps: carrying out scattering and crushing pretreatment on high-oil-content sludge with an oil content of more than or equal to 5%, then carrying out thermal cracking to recover oil, and burning generated non-condensable gas in a cement kiln, subjecting generated thermal cracking furnace slag with an organic matter content of less than 0.5% to heat exchange, and then putting the thermal cracking furnace slag into a raw material system the cement kiln; carrying out scattering and crushing pretreatment on low-oil-content sludge with an oil content of less than 5%, performing roasting treatment on the low-oil-content sludge and thermal cracking furnace slag with an organic matter content of more than or equal to 0.5%, carrying out heat exchange on the generated roasting furnace slag, putting the generated roasting furnace slag into a cement raw material system, and treating the generated roasting furnace waste gas in the cement kiln. According to the invention, the traditional resource utilization and cement kiln co-processing mode of the oily sludge is innovatively changed through a system integration process, oil recovery is realized, large-scale co-processing of the oily sludge in the cement kiln is realized through raw material addition, and the method has the characteristics of wide application range, full resource utilization, thorough and harmless treatment and the like.

The invention relates to a Cu-containing industrial sludge hazardous waste resourceful treatment system. The Cu-containing industrial sludge hazardous waste resourceful treatment system comprises a batching room, a granulator, a smelting furnace, a waste heat boiler and a flue gas treatment system. The invention relates to a Cu-containing industrial sludge hazardous waste resourceful treatment method, which comprises the following steps of: sequentially carrying out batching, granulation and sludge pyrometallurgy to obtain matte and black copper; cooling flue gas by the waste heat boiler, conducting SNCR denitration, quenching, dry deacidification, cloth bag dust removal, wet deacidification and SCR reactor desulfurization treatment, and then performing discharging. According to the invention, the Cu component in the sludge is recovered to the maximum extent through a reasonable ratio of the components entering the furnace, and the flue gas produced by a high temperature molten pool ispurified through the reference of a mature purification process of hazardous waste incineration flue gas and reasonable process optimization so as to meet the emission standard requirement and achieve up-to-standard emission.

The invention relates to an earth ridge protecting cover or earth-free ridge for paddy fields and upland fields. The earth ridge protecting cover or earth-free ridge comprises an earth ridge protecting cover or ridge body (1) of a reverse groove shape, the surfaces, facing the outer side, of two side plates (12) are smooth surfaces, overlap edges (13) are arranged on the edge of one end of the earth ridge protecting cover or ridge body (1) and are provided with first connecting holes (14), and second connecting holes (15) are formed in the other end of the earth ridge protecting cover or ridge body (1). When the earth ridge protecting cover or earth-free ridge is used as the earth ridge protecting cover, earth ridges of the paddy fields and the upland fields are protected against damage, and people do not need to repair the damaged or collapsed earth ridges with a lot of time, manpower and financial resources every year; when the earth ridge protecting cover or earth-free ridge is used as the earth-free ridge, the manpower and the cost for constructing the earth ridges can be saved, the land can be saved, the economical performance is high in the use process, weeds are prevented from growing on the earth-free ridge, grass seeds are avoided, and weed control in the fields is convenient.

The invention aims to provide a photocuring skin wound adhesive. The photocuring skin wound adhesive is prepared from the following raw materials: n-butyl alpha-cyanoacrylate, fumed silica, polymethyl methacrylate, a stabilizer, a photoinitiator and an accelerant. Compared with the prior art, the skin can be tightly attached to the product, wound infection can be effectively prevented, wound healing is accelerated, and the wound can be immediately soaked in water, bathed, subjected to field work and the like after being glued and cured, so that the wound can be effectively protected.

The invention discloses a double-layer pipe microwave heating short joint for hydrate transportation. The double-layer pipe microwave heating short joint for hydrate transportation comprises a microwave heating device, an inner pipe, an outer pipe, a supporting plate, an upper inner pipe joint and a lower inner pipe joint. The microwave heating device consists of a shell, a shell joint, magnetrons, a waveguide tube and end covers, wherein the magnetrons are respectively packaged into the shell and the shell joint through the end covers, and the waveguide tube is connected with the corresponding magnetrons to be fixed on the outer wall of the shell. The microwave heating device is fixed on the outer wall of the inner pipe through the supporting plate, the upper inner pipe joint and the lower inner pipe joint, and is positioned by utilizing steps on the inner wall of the outer pipe. According to the double-layer pipe microwave heating short joint for hydrate transportation, in the process of exploiting and pumping hydrate by using a double-layer pipe, the hydrate in a conveying pipe can be effectively prevented from being generated again, the exploitation efficiency is improved, andthe safety of equipment is guaranteed.

The invention discloses a process system and a method for plasma gasification of industrial sludge and belongs to the technical field of harmless disposal of industrial sludge. The process system comprises a sludge adding device, a plasma gasification system, a combustible gas combustion system and a tail gas treatment system which are sequentially connected; an additive adding device is connectedwith the sludge adding device; the plasma gasification system comprises a plasma gasifier; the combustible gas combustion system comprises a combustion tower with an oxygen supply pipeline; the tailgas treatment system comprises a tail gas cooling system and a tail gas purifying system.

The invention discloses a soil turning device with a tilling depth adjusting structure for an agricultural implement and a soil turning method thereof. The soil turning device comprises an agricultural machine body. The device is characterized in that: a tilling depth adjusting mechanism capable of performing tilling depth on land and digging holes at equal intervals to facilitate vegetable planting is arranged in the left side of the agricultural machine body, equally-divided gears are welded to the front outer side and the rear outer side of an upper rotating shaft, a torsion spring rod is welded to the inner side of the first transmission gear, air cylinders are welded to the left side of the front portion and the left side of the rear portion of the agricultural machine body correspondingly, a weed collecting mechanism capable of collecting dug weeds is arranged below a soil turning mechanism, and a weed taking mechanism capable of taking out the weeds collected above the weed collecting mechanism is installed above a mincing mechanism. The tilling depth adjusting mechanism can be used for intermittently digging holes in the soil turning process through a soil turning assembly, so that the situation that holes need to be manually dug in the soil one by one through a hoe in the later period is avoided, the efficiency of the agricultural machine body is improved, the manual labor force is reduced, and the overall practicability is improved.

The invention belongs to the technical field of water and wastewater treatment, and particularly relates to a nitrogen-doped carbon-coated aluminum material, a preparation method thereof and application of the nitrogen-doped carbon-coated aluminum material to removal of oxysalt and halogenated organic pollutants. The invention provides a preparation method of a nitrogen-doped carbon-coated aluminum material. According to the preparation method, dopamine is used as a carbon source and a nitrogen source, nitrogen elements are introduced into a formed carbon layer by utilizing amino groups contained in the dopamine, and then the nitrogen-doped carbon-coated aluminum material is prepared in a manner of calcination in a nitrogen atmosphere. According to the method, the nitrogen-doped carbon layer is formed on the aluminum surface, the reduction activity of aluminum is improved, an oxidation film on the aluminum surface is prevented from being formed, meanwhile, the nitrogen-doped carbon layer can accelerate electrons to be transmitted outwards from an aluminum inner core, and therefore the activity of aluminum for reducing and degrading pollutants is improved. The nitrogen-doped carbon-coated aluminum material disclosed by the invention can be used for efficiently reducing and degrading oxysalt and halogenated organic pollutants in water, wastewater and strong brine.

The invention relates to quick-acting emulsifiable concentrate for burns and scalds, wherein the quick-acting emulsifiable concentrate is prepared by mixing 30-50 g of tea oil, 5-10 g of borneol, 5-10g of milk, 20-30 g of egg white and 1000-2000 g of a calcium hydroxide saturated solution. According to the invention, the pure natural quick-acting emulsifiable concentrate used for burns and scaldsand having no toxic and side effect is provided, and can be directly applied to burns and scalds, wherein the wound surface is not disinfected before the coating; and after the quick-acting emulsifiable concentrate for burns and scalds is used, burning pain can be immediately eliminated, then the red and swollen phenomenon is gradually eliminated, the growth recovery capacity is improved, wound recovery is fast, the healing period is short, the remarkable treatment effect on burns and scalds is achieved, the mild burn and scald healing period is 1-5 days, the moderate burn and scald healing period is 7-12 days and no scar is left, the severe burn and scald healing period is about 30 days and no scar is left in 80% of the severe burn and scald.