33results about How to "Does not cause environmental problems" patented technology

The invention discloses a preparing method of integument controlled release grain fertilizer, which comprises the following steps: blending 2-4 kinds of organic composition to form mixing solution; adding filming activist and filming accelerant to form film mixing liquid; spraying 1-20% film mixing liquid on the grain fertilizer surface evenly under -20-50 deg.c; forming integument on the surface of grain surface after 2-120 min.

The invention relates to a sulphur removal corrosion inhibitor, which is prepared from the following components in percentage by weight: 26% of calcium gluconate, 18% of ferrous sulfate, 10% of basic zinc carbonate, 9% of stearic amide and the balance of water. The sulphur removal corrosion inhibitor is insensitive to the pH value, has no effect on the rheological behavior of drilling fluid and simultaneously has good compatibility with other finishing agents in the drilling fluid. Ferrous ions in the sulphur removal corrosion inhibitor are easy to absorb by organic matters, a complex compound of the ferrous ions and organic acid is environment-friendly, and the discharge of drilling cuttings and the drilling fluid containing iron ion filtrate cannot cause environmental problems.

The invention relates to a filtering device for waste gas, comprising exhaust pipe, of which one end is connected with generating device of waste gas; double filtering device constituted by a filtering device of water tank and a filter, which is connected with the other end of exhaust pipe; and fish-gill anti-overflow device. The filter is located in the middle of gas outlet pipe. The gas outlet pipe is used to connect the filtering device of water tank and the filter. The invention is provided with simple structure, lower power exhaustion, lower cost and smaller cubage. It can be used in waste gas discharging systems of vehicle and ship, lampblack presser, refreshing machine for indoor air and various factories.

The invention provides an ultraviolet light stabilizer based on polyvinyl chloride and a preparation method thereof. The structure of the ultraviolet light stabilizer is as shown in formula V, wherein R, x and y are defined according to the claims and the specification. The preparation method comprises steps of bringing in a nitrine functional group on the main chain of the polyvinyl chloride, and bringing in alkynyl on a small-molecular ultraviolet light stabilizer; and finally performing a 'click' reaction between nitrine and alkynyl to bond high-efficiency bonds of the ultraviolet light stabilizer on the main chain of the polyvinyl chloride. The preparation method is simple, and the content of the small-molecular ultraviolet light stabilizer is adjustable. A small-molecular ultraviolet light absorbent is bonded on the main chain of the polyvinyl chloride, so the problem of compatibility of the ultraviolet light absorbent in the polyvinyl chloride is avoided, and the environmental problem caused by precipitation of the small-molecular ultraviolet light stabilizer is avoided as well.

The invention relates to an AB type aqueous fire extinguisher which comprises a simple fire extinguishing container and an aqueous fire extinguishing agent packaged in the simple fire extinguishing container. The aqueous fire extinguishing agent comprises a component 1 and a component 2, the component 1 is water, and the component 2 is a main fire extinguishing agent body. The main fire extinguishing agent body is composed of, by weight, 8-20 parts of ammonium chloride, 5-15 parts of carbonate, 13-30 parts of diammonium hydrogen phosphate and 1-15 parts of bicarbonate. The aqueous fire extinguishing agent is packaged in the impact damage type container or the pressure storage type spraying container and made into manual casting type fire extinguishing liquid bombs or fire extinguishing mist spray, the fire extinguishing speed is high, and instant fire extinguishment can be achieved. The AB type aqueous fire extinguisher is small in size, low in weight, convenient to carry and low in cost, fire extinguishment can be achieved rapidly during a quite short period of time for A type fire disasters and B type disasters, reburning is avoided, the safety is high, an operation method is simple, and the AB type aqueous fire extinguisher is suitable for people of all ages to use and can serve as a simple standing fire extinguishing tool for homes, offices and the like.

Provided is a blanking die which causes no slack of a fixed punch and carries out exact blanking even if a large number of sheetlike materials are blanked at a high speed, and also to provide a blanking die which easily separates products obtained by blanking the sheetlike materials from the scraps, and causes no pollution problems even if the disposal by incineration is carried out. Base materials 2, 3 of the blanking die have spaces 4 surrounding the punch 1. Resin is charged into the spaces and is solidified to fix the punch 1. Further, the spaces 4 are filled with gas, and the base material 2 is provided with a plurality of gas flowing-out holes. As a result, the products and the scraps are easily separated by flowing-out the gas through the gas flowing-out holes.

A combustion control method for a regenerative combustion type heat treatment furnace. When alternately switching the combustion operation and the heat storage operation in a pair of regenerative burners, the slave fuel gas supply pipe and the air supply pipe in each regenerative burner are The quantities of fuel gas and combustion air supplied from the tube are fixed, so that proper combustion can be performed stably. When switching between the combustion operation and the heat storage operation in a pair of regenerative burners (20), in the regenerative burner (20a) in combustion operation, the fuel gas supply pipe (28a) and the air supply The supply of fuel gas and combustion air supplied from the pipe (24a) decreases from the normal combustion state, and in the regenerative burner (20b) in the heat storage operation, the fuel gas supply pipe (28b) passes through the fuel gas supply pipe (28b) ) and air supply pipe (24b) to supply the fuel gas and combustion air supply from the stop state increased, and in a pair of regenerative burners, through the fuel gas supply pipe and the air supply pipe supplied from The supply of fuel gas and combustion air is fixed.

The invention discloses an application of garlic bulb juice in controlling pepper phytophthora blight. According to the invention, garlic bulb is peeled and ground; the ground garlic bulb is mixed with sterile water, such that a dilute garlic bulb liquid is prepared; and the dilute garlic bulb liquid is used for irrigating pepper seedlings. According to the invention, the plant-sourced garlic bulb juice is used for controlling pepper phytophthora blight, and the pepper phytophthora blight can be effectively prevented and treated. The treatment method is simple, and does not cause environment problems. The method can be widely popularized.

The invention relates to a method for producing tap water by using a magnetic weighting agent coagulation magnetic separation technology, which comprises the following steps: adding a coagulant and amagnetic weighting agent into raw water to be treated for coagulation to obtain a coagulum, wherein the magnetic weighting agent is magnetic powder coated with polydopamine; carrying out solid-liquidmagnetic separation on the coagulum to obtain a precipitate and a clear liquid; carrying out solid-solid magnetic separation on the precipitate, and recycling to obtain a magnetic weighting agent; andcarrying out refined filtration and disinfection on the clarified liquid to obtain tap water. According to the method for producing tap water, a new magnetic loading coagulation magnetic separation technology is utilized, and the magnetic powder coated with polydopamine is further adopted as a magnetic weighting agent, so that the turbidity reduction efficiency of raw water production is greatlyimproved, the effluent quality is further ensured, the tap water production efficiency is improved, and the production cost is reduced. The magnetic weighting agent is added to produce tap water, so that the dosage of the coagulant is not additionally increased, secondary pollution to finished water is avoided, and the environmental problem is also avoided.

The invention relates to the technical field of thickened oil production increase, and particularly discloses a preparation method of a thickened oil viscosity-reducing and production-increasing agentand the prepared thickened oil viscosity-reducing and production-increasing agent. The invention provides a method for producing a thickened oil self-emulsifying viscosity-reducing production-increasing agent by using lignin, which comprises the following steps: carrying out oxidative sulfonation modification on lignin, and reacting the modified lignin with aldehyde and phenol to modify; after the reaction is finished, performing neutralizing with alkali, adding amine for modification treatment, then adding a co-emulsifier, and performing stirring and uniform mixing to obtain the product. Thepreparation method is simple, raw materials are wide in source and low in price, and waste is avoided. Tests show that the thick oil viscosity reduction and production increase agent has good self-emulsifying performance on heavy oil, is stable in emulsion and good in high-temperature resistance, and is not obviously attenuated at 200 DEG C.

The invention provides a pyrolysis process wastewater treatment system and method based on a double-circulation fluidized bed boiler, and belongs to the field of wastewater treatment. A circulating fluidized bed pyrolyzing furnace, a waste water pool, a waste water pump, an atomizing spray gun capable of advancing and retreating, a compressed air tank, a first manual valve, a second manual valve and other components are additionally arranged on the basis of an existing power generation system, and the waste water treatment system based on the existing power generation system is provided. The composition structure of the pyrolysis process wastewater treatment system can be simplified, the pyrolysis process wastewater treatment process is shortened, the heat source circulating back to the circulating fluidized bed combustion furnace is fully utilized in the pyrolysis process wastewater treatment process, and the wastewater treatment cost can be saved. Besides, the pyrolysis process wastewater is incinerated in the circulating fluidized bed combustion furnace, so that organic matters in the pyrolysis process wastewater can be converted into harmless small molecules such as H2O and CO2 at high temperature, meanwhile, dioxin is prevented from being generated, and environmental problems cannot be caused.

An environment-friendly cleaning agent, comprising the following components in parts by weight: 20-30 parts of absolute ethanol, 3-7 parts of sodium xylenesulfonate, 4-8 parts of sodium perborate, 5-10 parts of cyclohexane, alkane 3-8 parts of alcohol polyoxyethylene, 2-4 parts of sodium citrate, 1-3 parts of glycine, etc. The beneficial effect of the invention is that it will not cause environmental problems, basically has no poisonous effect on the human body, has fast volatilization speed, and has outstanding cleaning effect.