306 results about "Burn treatment" patented technology

The present invention discloses one kind of microporous teflon film for treating high temperature fume and dust and its preparation process. The preparation process includes mixing powdered teflon resin and powdered catalyst, adding liquid lubricant to the mixture, extruding, rolling, longitudinally stretching, transversely stretching, heat setting and other steps. The microporous teflon film for treating high temperature fume and dust has simple preparation process and low cost. It has pore size of 0.5-5 micron and dioxins eliminating rate at 200 deg.c as high as 95-98 %. It may be applied widely for high temperature tail gas treatment in refuse burning treatment plant, refuse burning power plant, coal burning power plant, cement mill, etc.

The invention relates to a recycling method for living garbage which comprises the steps: (1) separating: recoverable materials of big blocks and other materials are sorted out; (2) magnetic separation: magnetic materials like an iron block, etc., are separated; (3) cracking: the garbage materials after being separated are cracked to a granularity that is suitable for a subsequent treatment; (4) air separation: heavy materials and light materials are separated; (5) cracking of the heavy materials; (6) secondary magnetic separation of the heavy materials; (7) recycling of the heavy materials after magnetic separation; (8) cracking of the light materials; (9) firedamp treatment of the light materials; (10) firedamp storage; (11) screening of the firedamp mud; (12) burning treatment of the matters on the screen of the firedamp mud screen and (13) recycling of the matters under the screen of the firedamp mud screen, etc. The recycling method is mainly used for treating the living garbage and can better make use of the materials and energies in the garbage to simplify the treatment process and reduce the treatment cost and the pollution to environment.

The invention provides dialdehyde carboxymethyl cellulose-collagen frozen gel and a preparation method thereof. The method comprises the following steps of: first uniformly mixing 1 to 3 mass percent of the aqueous solution of collagen and 0.01 to 1 mass percent of the aqueous solution of dialdehyde carboxymethyl cellulose; then injecting the mixed solution into a mold and storing the mixed solution in a low-temperature reactor at the temperature of -40 to 0 DEG C for 1 to 7 days; and finally, taking the obtained product out and slowly unfreezing the obtained product to obtain the dialdehyde carboxymethyl cellulose-collagen frozen gel. The dialdehyde carboxymethyl cellulose-collagen freezing gel prepared by the method is improved in mechanical property, thermal stability and enzymatic degradation resistance at the same time of maintaining the biological activity of collagen gel per se, has the advantages of porosity, hydrophilicity, water absorbing and preserving property, good market application prospect and the like, and is widely used in biomedical fields, such as biologic scaffolds, cell culture, drug delivery, tissue engineering, wound and burning treatment and the like.

The invention relates to an efficient waste heat using organic contaminated soil displacement thermal desorption repairing system and method. A burner is communicated with a high temperature oxidizingchamber, a high temperature smoke pipe of the high temperature oxidizing chamber is communicated with a rotary kiln heating processing system and an air heat exchanger, a high temperature air outletof the air heat exchanger is communicated with the burner, a smoke pipe of the air preheater is communicated with an inlet of a quench tower, an outlet of the quench tower is communicated with an inlet of a bag-type dust collector, an outlet of the bag-type dust collector is communicated with an inlet of a deacidification tower, an outlet of the deacidification tower is communicated with an air inlet of a second induced draft fan, and an outlet of the second induced draft fan is communicated with a chimney. A part of high temperature flue gas generated by the burner enters a rotary kiln thermal desorption reactor to achieve desorption of organic pollutant and soil drying pretreatment, organic matter enters the high temperature oxidizing chamber through a backflow pipe for burning treatment, and thorough oxidative degradation removal is achieved; and the other part of high temperature flue gas is used for increasing the temperature of combustion air through the air heat exchanger.

A burn treatment bandage in which a silicone composition, primarily a silicone gel, is located on a bandage of the type having an adhesive strip capable of being attached to a user's skin along with a gauze portion thereon. The silicone and, particularly, the silicone gel is pre-incorporated into the gauze, such that when one attempts to treat a burn or other scar tissue, the user may merely apply the bandage such that the silicone material is in contact with the scar tissue.

The invention provides a treatment method of high calorific value excess sludge. The method comprises the following steps of: feeding the excess sludge to be treated with moisture content of 80 to 90 percent into a plate-and-frame water filter press for dehydration to obtain a filter-pressing dehydrated sludge cake; feeding the obtained sludge cake into a sludge granulation device; crushing the sludge cake into coarse granules at normal temperature; further drying the sludge granules in a heat energy drying room; feeding the dried sludge granules into sludge powdering equipment for further treatment, wherein the grain diameter of the treated sludge powder is 150 to 300 meshes, and the water ratio is 5 to 15 percent; storing sludge dried powder into a sludge dried powder warehouse, and spraying the sludge powder having small grain diameter and having a calorific value of 2,000 to 4,000 kilocalories into a sludge burning furnace to completely burn with a small amount of fuels or without the fuels, wherein the interior temperature of the burning furnace is 800 to 1,000 DEG C, and secondary pollution is avoided; and then conducting high-temperature fume which is generated by burning into a waste heat drying device, and drying the sludge. By the process, the burning treatment of the sludge can be performed conveniently, the energy consumption of sludge drying is reduced, the excess sludge is treated properly, and the secondary environmental pollution is avoided.

The invention relates to the use of Epidermal Growth Factor (EGF) in a preferably-injectable pharmaceutical composition which is administered by means of infiltration into and around chronic cutaneous ischaemic lesions in order to prevent diabetic foot amputation. Said composition can be administered to recently-created surgical surfaces damaged by the effect of acute reperfusion with oxygenated blood following prolonged ischaemia, thereby preventing further surgical procedures and favouring the preservation of the extremity. The aforementioned composition can be used to improve (i) the cell microenvironment, thereby increasing the reparative and defensive capacity and viability of the is tissues and (ii) the cicatrisation of cutaneous ischaemic lesions, thereby stimulating cell proliferation. The invention is suitable for use in human, veterinary and experimental medicine, specifically in vascular angiology and surgery, dermatology, burn treatment and reconstructive surgery and geriatric medicine. Said composition can be used for recalcitrant ulcers which are associated with lesions in the macro and/or microvasculature, patients with inadequate lymphatic and/or venous return and ulcers or other lesions which are difficult to cicatrise and/or heal.

This invention relates to a topical spray preparation for burn treatment and microbial infections on human being or animals. This non-aerosol preparation contains an antimicrobial drug, i.e., silver sulfadiazine, as is dispersed or solubilized in a cream or lotion base matrix which can be sprayed directly from a common trigger spray device. The key component of the matrix can be characterized by it having a suitable molecular weight polymer of cross-linked acrylic acid, such as Carbomers or non-ionic surfactants such as polyoxyethylene alkyl ethers, or any combination of the above materials.

The invention relates to the hot cracking gasifying treatment of the urban rubbish and the equipment. The method can adopts the non-selected rubbish to burn and gasify directly, uses the heat energy produced by the organics of the rubbish to crack the organics, the residual heat of the cracking gas to remove the water in the rubbish and the physical form characteristic of the rubbish to purify the furnace gas. The rectangle gasifying furnace (1) comprises eight main structural parts: the burner gas lead-out assembly (2), the feed cabin (3), the rectangle suction cabin (4), the rectangle drying chamber (6), the rectangle gasifying chamber (8), the fuel return heating combustion chamber (10), the melting combustion chamber (12), the slurry cabin (14). The invention can effectively prevent the producing of dioxin and does not have the high-cost and complex exhaust treatment processes of the usual rubbish burning treatment.

The invention relates to a method for preparing crude 1,6-hexamethylene diisocyanate through the phosgene method and separating pure 1,6-hexamethylene diisocyanate through rectification. The method uses o-dichlorobenzene and chlorobenzene as solvents and comprises the following steps: using hexanediamine and excessive phosgene to perform the two-step reaction of low temperature photochemical reaction and high temperature photochemical reaction under the action of catalyst and generate 1,6-hexamethylene diisocyanate (HDI), removing o-dichlorobenzene through distillation for reuse, continuously distilling to remove by-product chlorinated isocyanate, further mixing with DEIP solvent in a certain ratio through compulsory stirring, heating to perform flash evaporation and rectification, preparing the 1,6-hexamethylene diisocyanate product and DEIP through separation and purification, and regularly discharging the slagged tarry macromolecular compound to perform burning treatment.

The invention relates to a burning treatment process of waste gas and waste liquid containing chlorosilane in polysilicon production, which comprises the steps of: removing waste gas and waste liquid containing chlorosilane (trichlorosilane, dichloro-dihydro-silicon, silicon tetrachloride and metal chloride) in the production process of polysilicon; using natural gas as fuel in a burning furnace; and hydrolyzing the chlorosilane in the waste gas and the waste liquid at high temperature under the conditions of high temperature of 900 DEG C to 1000 DEG C and pressure of 0.01 to 0.06 barg to generate SiO2, HCl, a small quantity of Cl2 and the like which can be easily processed. In the process, the toxic chlorosilane difficult to process is burned and hydrolyzed at high temperature to generate SiO2, HCl, a small quantity of Cl2 and the like which can be easily processed; therefore, the problems of incomplete performance of absorption of alkaline hydrolysis and neutralization and sedimentation treatment of Ca(OH)2, difficult removal of chlorine ions, serious secondary pollution, generation of a large quantity of waste water and waste dregs, high operating cost and the like are solved. Simultaneously, the waste water and the waste dregs are not generated basically and useful resources are recycled.

The invention discloses a method for regenerating and revivifying a hydrogenation catalyst, which comprises the steps of treating an inactivated hydrogenation catalyst subjected to sulfur burning and carbon burning treatment with organic sulfur compound-containing thioalcohol and/or thioether and roasting a resulting product, wherein the organic sulfur compound-containing thioalcohol and/or thioether accounts for 0.1 to 2.2 percent of the weight of the inactivated hydrogenation catalyst. The method of the invention can effectively weaken the interaction between metal and the carrier to obtain a regenerated hydrogenation catalyst with high activity restoration degree. The method is particularly suitable for vulcanized hydrofining catalysts and hydrogenation catalysts.

The invention relates to the processing method of the urban sewage and sludge reduction. The flocculating agent A is first added in the urban sewage and sludge and added with flocculating agent B to further react after emulsion breaking reaction. The flocculating agent A is a quaternary ammonium type cationic polymer and the flocculating agent B is a cationic polymer with aminomethyl polyacrylamide as the basis. The urban sludge processed by the method of the invention has volume greatly reduced, hard mud cake, low water ratio, which can meet the requirement of the subsequent landfill, composting and burning treatment and realize the comprehensive utilization of the sludge.

The invention specifically relates to production equipment for refining hexamethylene diisocyanate and a method thereof. A stirrer is respectively arranged in the middle of the bottom of both a distillation column and a rectifying tower which are provided with a stirring device, and stirring wings are a frame type. The method for refining hexamethylene diisocyanate comprises the following steps: (1) letting an synthesized HDI solution enter a distillation column through a heat exchanger, starting a first vacuum pump, and starting a first stirrer in the column bottom while the agitation speed is less than or equal to 60rpm/min; Starting a first condenser on the tower top, evaporating all o-dichlorobenzene, continuously discharging by the distillation column and entering a mixing tank; and (ii) adding a DEIP solvent into the mixing tank, uniformly mixing crude HDI and the DEIP solvent according to the HDI-DEIP ratio of 1:1-1.5, sending the mixture into the rectifying tower to firstly evaporate mono-isocyanate chloride and continuously evaporate the HDI, drawing forth the DEIP for recycling, stirring high polymer residue in a heating vessel and discharging regularly, and carrying out burning treatment. The device and method provided by the invention can be applied in distillation separation and purification production technology which is easy to generate auto-agglutination phenomenon under the distillation condition.

The invention discloses a comprehensive burning treatment couch. The comprehensive burning treatment couch comprises a couch rack, a first supporting plate, a second supporting plate, a transparent cover, a disinfectant tank, an assembly plate, a rotating ball, an atomizing nozzle, a blower, an air inlet pipe, a latch, a seal plate, a temperature sensor, a humidity sensor, a humidifier, a second rotating ball, a drug delivery pipe, an extrusion hole, a drug application cloth cover, a seal cap and an air bag. The comprehensive burning treatment couch is simple in structure and powerful in functions, can avoid a wound when a patient is treated in the treatment couch, the wound can be prevented from being pressed, secondary hurt of the wound can be prevented, dust can be effectively prevented from falling on the wound of the patient, wound infection can be avoided, and isolated disinfectant spray and ointment application can be directly provided for patients inside the transparent cover.

The invention discloses a method for treating asphalt gas efficiently and harmlessly. The method comprises the following steps of: performing reaction adsorption on the asphalt gas and calcined petroleum coke powder in a Venturi reactor; collecting dust and coke tar from the gas in a bag-type duster remover for recycle; after removing the coke tar and dust-containing steam in the asphalt gas, performing burning treatment by using a regenerative combustion furnace, wherein the burning temperature is higher than 800 DEG C and the burning time is 1 to 2 seconds; and decomposing polycyclic aromatic hydrocarbons such as benzopyrene, benzanthracene and carbazole in the gas after the burning treatment for effectively removing harmful substances of the polycyclic aromatic hydrocarbons such as the benzopyrene, the benzanthracene and the carbazole, wherein the harmful substance content of the treated gas is below 5 mg/m<3>. By using the method, the harmful substances of the polycyclic aromatic hydrocarbons such as the benzopyrene, the benzanthracene, the carbazole and the like are removed effectively; and the harmful substance content of the gas after the treatment is below 5 mg/m<3> which is far below a national secondary emission standard.

The invention provides a method for deep dewatering sludge. Dewatering is conducted through plate-frame pressure filtration type sludge dewatering equipment. The method comprises the steps of 1 equipment inspecting, 2 preparing of a polymeric flocculant and a dewatering auxiliary, 3 sludge extracting, 4 dewatering auxiliary and polymeric flocculant adding, dispersing and reacting, 5 sludge pump working, 6 pressure filtration dewatering, 7 sludge discharging, 8 parameter recording and 9 equipment cleaning. According to the method, the adopted polymeric flocculant is a cationic organic polymeric flocculant with a long chain structure, the chain has many active cationic groups which can neutralize negative charges on sludge particles and bond multiple sludge particles simultaneously, and therefore dewatering is promoted; the dewatering auxiliary is high-activity plant fiber and can change and increase the sludge floccule structure and construct a net-shaped skeleton. The water content of the sludge dewatered through the method is lower than 60%, the organic matter contents and the sludge caloric values of the sludge before and after dewatering basically keep invariable, subsequent drying and burning treatment is promoted, and the significant governance advantages are achieved.

A composition for burn treatment containing, in % by weight:

The invention provides a drug dressing for the burn treatment and a preparing method thereof. The drug dressing comprises the following bulk drugs calculated according to the parts by weight: each 0.6 to 1.5 parts of arnebia root, sanquisorba root, Chinese goldthread, pangolin, dark plum, Chinese gall, giant knotweed, coptis root, corktree bark, dahurian angelica, hyacinth bletilla, bornel, burnt hair and Vaseline, and 1.5 to 2.5 parts of dragon's blood resin; the drug dressing also comprises 20 to 60 parts of vegetable oil calculated according to the parts by weight; the method comprises the following steps that: the pangolin, the bornel, the burnt hair and the dragon's blood resin are ground into four drug powder; the other bulk drugs and the vegetable oil are put into an oil bath to be heated, the other bulk drugs are fired with a slow fire until golden, gruffs are fished out, and then drug oil is achieved; when the drug oil is cooled, the four drug powder are mixed into the drug oil, and is stirred uniformly. The dressing can create a moist and germfree local environment for the wounded area, and has the remarkable advantages that the anti-infection effect is good and the healing of wound surface is quick, so as to be applicable for military first aids, primary hospitals and families.

The invention is directed to a novel topical burn treatment compositions comprising a silicone containing compound, a Vitamin E compound and a local anesthetic. and their use in treating topical burns.

The invention discloses biomass granular fuel produced by utilizing tobacco waste materials and a preparation method thereof. Raw materials of the biomass granular fuel are the tobacco waste materials and water. The preparation method of the biomass granular fuel comprises raw material smashing, water adding and mixing, raw material fermentation, extrusion forming and drying. Waste water and waste gas are not generated in the whole process, not only is the environmental pollution problem caused by burning treatment of the tobacco waste materials solved, but also the ignitability is good, the heat production amount is large, and the biomass granular fuel can be burned in a boiler instead of raw coal. Accordingly, the biomass granular fuel produced by utilizing the tobacco waste materials is environment-friendly and clean energy.

The invention relates to a method for improving the activity of a distillate oil hydrogenation catalyst, and is especially suitable for activation and regeneration of carbon deposition and poisoning caused deactivated distillate oil hydrogenation catalyst. The catalyst uses VIB oxide and group VIII oxide as active metal, and is an inactivated catalyst subjected to carbon burning treatment or a fresh catalyst; and the catalyst first fully contacts with a solution containing organic acid and alcohol, and then is subjected to hydro-thermal treatment and low temperature calcination treatment. The method for improving activity of distillate oil hydrogenation catalyst gives consideration to the active phase, pore structure and acidity center of the catalyst, can obviously improve activity of the activated catalyst, and has good industrial application prospect.

The invention relates a treatment method and system for burning sludge, which comprises: conveying the dewatered sludge in moisture percentage of 75-85 % into a combustion chamber of a circulating fluidized bed, and conveying the contaminated gas produced in storing process into the combustion chamber of the circulating fluidized bed, burning the dewatered sludge, contaminated gas and coal together, the end gas discharges by processing. The system comprises circulating fluidized bed boiler, ash separator and sludge storeroom, conveying the dewatered sludge through a sludge carrier pipe and a sludge spraying cap using a screw pump, emitting the sludge into the combustion chamber of the circulating fluidized bed and burning, conveying the said contaminated gas into the chamber of the circulating fluidized bed too. The system also has a steam purging unit and a water high pressure unit which clean the screw pump, sludge carrier pipe and sludge spraying cap nontiming to prevent the clogging by dewatered sludge.

A carbonization apparatus (10) for producing an activated carbon wherein an organic based material to be treated is carbonized, which comprises a carbonization furnace (40) wherein overheated steam is introduced to carbonize a material to be treated and the spent steam is discharged, a drying furnace (30) wherein the steam discharged from the carbonization furnace (40) is introduced to dry the material to be treated and the spent steam is discharged, a high temperature steam generating device (60) wherein steam is introduced and the high temperature overheated steam for use in supplying to the carbonization furnace (40) is formed, a deodorizing furnace (70) wherein impurities contained in the spent steam discharged from the drying furnace (30) are heated to deodorize them through burning and discharging a high temperature an exhaust gas is discharged, and a waste heat boiler (80) wherein water is heated by using the high temperature exhaust gas discharged from the deodorizing furnace (70) and the steam for supplying to the high temperature steam generating device (60) is formed. The carbonization apparatus allows the production of an activated carbon having high quality at a low cost, by recovering and reutilizing the heat contained in the exhaust gas which has been discharged from a deodorizing furnace and has been subjected to a burning treatment.

A method for preparing multiferroic single-phase bismuth ferric ceramic belongs to the technical field of material science. The method provided by the invention comprises the following concrete steps of: carrying out two pre-burning treatments on the bismuth ferric xerogel produced by the sol-gel method, namely heating to 400DEG C from room temperature at the heating rate of 1-5 DEG C/min for twotimes, to obtain a bismuth ferric precursor powder; pressing the bismuth ferric precursor powder into a sheet at a pressure of 2-4MPa, followed by sintering at low temperature, namely heating up fromroom temperature to 450-550 DEG C at the heating rate of 3-5 DEG C/min, to obtain the textural single-phase bismuth ferric ceramic made of nanometer particles whose particle size is less than 62nm. The bismuth ferric ceramic prepared by the method in the invention has good single-phase and insulating properties, saturated magnetic hysteresis loops and electric hysteresis loops at room temperatureas well as highly saturated magnetic intensity and remanent polarization. In addition, the method for preparing the multiferroic single-phase bismuth ferric ceramic requires simple equipment as well as a simple preparation technology, adopts the low temperature sintering technology, saves energy and has low cost.