7 results about "Zero emission" patented technology

The invention discloses a manufacturing process of an interlayer copper connector of a printed circuit board. The manufacturing process comprises the following steps: coating a glue resin layer and sticking and pressing release paper on two sides of the outer surface of an insulation layer; forming pores and machining; removing the release paper on one side and coating a copper layer; filling holes with electric conductive colloid; removing the release paper on the other side and coating a copper layer; and pressing, fitting and curing. According to the invention, by adopting a simply and easily operated silk screen printing technology and by combining the electric conductive colloid with low liquidity, the chemical copper depositing and plating technology in the production technology of the traditional printed circuit board is replaced successfully, the conduction performance of the copper layer on performance can be achieved, zero emission and zero pollution in the environment protection aspect are achieved, the investment total amount in device input and plant input aspects is reduced, the investment hazard is reduced, and the conditions for rapid production and manufacturing cycle shortening are provided for the market demand of the printed circuit boards on the aspect of production efficiency.

The invention discloses a spray booth organic waste gas treatment system. The spray booth organic waste gas treatment system comprises a dry-type filter, adsorption-desorption boxes, a catalytic combustion apparatus, an adsorption fan, a desorption fan and a gas supplementing fan, wherein the number of the adsorption-desorption boxes is three, the catalytic combustion apparatus is internally provided with a preheating chamber, a catalysis bed, a heat exchanger and a first thermocouple, and a heater is arranged in the preheating chamber; and the spray booth organic waste gas treatment system also comprises a PLC control system, wherein the PLC control system comprises a PLC controller, a first thermocouple and a first over-temperature alarming device which are installed in the adsorption-desorption box, a second over-temperature alarming device which is installed in the catalytic combustion apparatus and a differential pressure gauge which is arranged in the dry-type filter, and the PLCcontroller is installed in a control cabinet. The spray booth organic waste gas treatment system solves the problems that the spray waste gas is easy in blockage, and the waste gas cannot be stably up to the standard; moreover, the automation and intelligent degree of the system is high, the treatment effect for the waste gas is good, the purifying efficiency is greater than 98 percent, and the waste gas can reach and be higher than the national emission standard; and moreover, the waste gas is catalytically combusted online, so that the zero emission of the waste gas is realized.

A double-face roller coating color aluminum plate preparing technology mainly comprises the following steps including unreeling, dipping degreasing, brushing, spraying degreasing, cleaning, rolling coating, ground coating + back coating, drying, cooling, back coating, drying cooling, face coating, drying, cooling, reeling and a packaging. A four-coating and three-drying assembly line, namely ground coating + back ground coating + back face coating + front face coating is composed of three layers of ovens, totally three drying procedures including drying for ground coating + back coating, drying for back face coating and drying for front face coating are adopted, and a dipping, brushing and spraying degreasing and dirt removing method is adopted in pretreatment, the surface of an aluminum plate has a better effect than an independent dipping or independent spraying, degreasing and dirt removing method, the surface cleanliness degree is improved, and the coating and the aluminum substrate attaching force can be greatly improved; and an environment-friendly and chromate-free passivation treatment method is adopted in chemical layer pretreatment, the chemical layer roller coating technology is adopted, film forming is more uniform, and chemical layer treatment environment protection, pollution avoiding and zero emission are achieved.

The invention provides an ecological cycle breeding system suitable for recycling of agricultural waste in mountainous areas. The ecological cycle breeding system comprises a pig farm, a heterotopic fermentation bed, an earthworm bed, a pheasant breading area, a termitomyces albuminosus cultivating area, a primary fishpond, a digestion tank, a biological contact oxidation pond, a secondary fishpond and a flower nursery. The invention further provides a breeding method based on the ecological cycle breeding system suitable for recycling of the agricultural waste in the mountainous areas. The system has the advantages that rural agriculture waste can be treated, high-value agricultural products can be produced, zero pollution and zero emission are achieved, an industrial chain is formed, andpoverty alleviation is achieved.

The invention discloses an environment-friendly treating device and a process for concentrated waste liquor obtained after evaporation of pesticide and resin chemicals and relates to the technical field of chemicals. The environment-friendly treating device comprises a heating and stirring kettle, wherein a first centrifuge and a second centrifuge are connected to the heating and stirring kettle through pipelines, the liquor outlet of the first centrifuge and the liquor outlet of the second centrifuge are connected with a mother liquor tank, the solid matter outlet of the first centrifuge and the solid matter outlet of the second centrifuge are connected to a belt conveyer, the discharge end of the belt conveyer is connected to a stirring tank, the outlet of the stirring tank is connected to a third centrifuge through a pipeline, the liquor outlet of the third centrifuge is connected to an evaporative circulation system, the mother liquor is connected to a boiler, and the smoke outlet of the boiler is connected with a deacidifying device. The environment-friendly treating device and process are good in separation effect and have the advantages of effectively improving the economic benefit of concentrated waste liquor, achieving complete protective discharge by carrying out lime deacidifying and dealkalizing treatment and realizing zero emission of pollutants.

The present invention relates to a composite flora and a textile fiber preparation method by using the composite flora. The composite flora comprises bacillus sp. with a preservation number of CGMCC No.5971, rheinheimera tangshanensis with a preservation number of CGMCC No.5972, acinetobacter lwoffii with a preservation number of CGMCC No.5973, pseudomonas fluorescens with a preservation number of CGMCC No.5974, and Wickerhamomyces anomalus with a preservation number of CGMCC No.5975. The method comprises the following steps: preparing a bacterial liquid; treating raw materials; and preparing fibers, wherein fiber preparation comprises biodegradation, steam sterilization, fiber obtaining, drying, and combing. According to the present invention, the method does not pollute the environment, a waste liquid is directly converted into an organic fertilizer so as to achieve zero emission and zero pollution, the biological treatment process provides a protection effect for fibers, advantages of low production cost and high economic benefits are provided compared with the traditional chemical method, and characteristics of energy source saving and environmental protection are provided.

The invention belongs to the technical field of desulfurization wastewater treatment, and in particular designs a circulating ultrafiltration membrane and vibration membrane treatment method and system. The membrane treatment method for desulfurization wastewater of the coal-fired power plant comprises the following steps: 1) pretreatment is carried out on desulfurization wastewater by a clarification tank; 2) circulating ultrafiltration is carried out on pretreatment produced water to obtain ultrafiltered produced water; 3) vibration membrane filtering is carried out on ultrafiltered producedwater to obtain vibrating membrane concentrated water and vibrating membrane produced water; (4) vibrating membrane concentrated water is concentrated water of the system, and then enters a subsequent zero-emission system; 5) vibrating membrane produced water is reused for production. The water quality of produced water disclosed by the invention meets water-quality requirements for reuse water of a desulfurization tower in the power plant, the water quantity of concentrated water is only 35% of the original water quantity, and both concentrated water and produced water can be used for bottomslag spraying of a boiler to realize zero discharge of wastewater.