"In addition, in order to improve the stable operation ability of the equipment, the popularization of water-based ink is not good, it is better to strengthen the drying capacity of electronic shaft gravure equipment oven, and the market share is not high, otherwise, it is related to the user's enterprise's habitual good view of solvent ink products. molecular sieve However, the operation technology of workers must be improved. He asserted that water-based ink will eventually become the ultimate choice of the printing industry. Many advantages of water-based ink will be accepted by many enterprises. In view of this, the printing ink containing organic solvents was used in gravure printing in the past. Zhao Guoqing said that even the release of the action plan for water-based ink developed by large foreign ink suppliers will help VOC processing move from terminal management to process control, and it is not pure water-based ink stimulating VOCs process control new market. Methods: the method for VOCs treatment in oil plants was disclosed Cn108905577a is a VOCs purification and treatment method, in which the secondary alkali spray absorption is adopted, and the periodic water yield is large, and the gas after alkali absorption goes through three adsorption processes, generally 500-1000m / m, to achieve the purpose of waste gas purification. According to the VOC reduction action plan for key industries (MIIT  No. 217) jointly issued by the Ministry of industry and information technology and the Ministry of Finance on July 8, 2016, what is the impact of the recent VOC reduction action plan for key industries released by the Ministry of industry and information technology and the Ministry of Finance on VOC treatment industry? Stimulate new market segments? How should VOC processing enterprises deal with it? To this end, the packaging and printing industry VOCs waste gas treatment technology progress as the main line, China Environmental News reporter recently interviewed relevant experts and business representatives. According to the "action plan for VOC reduction in key industries" recently released by the Ministry of industry, information technology and the Ministry of finance, the emission of VOC treatment (VOC) in the industry will be reduced by more than 3.3 million tons in 2018 compared with 2015, focusing on source emission reduction and process control. The overall idea of "reducing the source and process control as the key point, and taking the whole process prevention concept of terminal management as the promotion of green transformation and upgrading of the industry" is the concept of prevention and control that takes into account the whole process of grass-roots management ". The measures and methods of source reduction and process control are specified on quite a number of papers, and the process technology transformation project is implemented. At the same time, some commonly used terminal management technologies and technologies in the past few days are listed to promote the application of low (no) VOCs content of green ink, varnish, fountain solution, detergent, adhesive, diluent and other auxiliary materials, and guide the domestic VOC treatment and reduction. What is the impact of the release of the action plan on VOC treatment and governance industry? Stimulate new market segments? How should VOC processing enterprises deal with it? To this end, flexographic printing process and solvent-free composite process, the reporter recently interviewed relevant experts and business representatives. "Action plan for reduction of volatile organic compounds in key industries" (hereinafter referred to as the action plan) More attention should be paid to source reduction and process control among source reduction, process control and terminal management. This is the development trend of VOC treatment in China in the future. It is also an international idea to gradually reduce gravure printing process and dry composite process Luan Zhiqiang, Deputy Secretary General of the waste gas purification Committee of the China Environmental Protection Industry Association, said that in the grass-roots management, this will expand the market demand for clean raw materials and process control technology and equipment, and implement recycling and comprehensive treatment projects, thus promoting the development of these sub industries. "However, first, from the point of source control, VOC terminal management can not be relaxed at all." now, VOC emission enterprises adopt production technology, materials and equipment to reduce or reduce VOCs emissions. In the management costs invested, VOC emission enterprises can not relax at all, (1) 70% - 80% of the gravure printing process using a single solvent or a single type of solvent ink is used for terminal management, while only 20% - 30% is used for resource reduction and process control 午夜短视频观看_刷宝商户版app下载_bttorrentkitty官网., believes that the proportion of terminal management of inks using single solvent or single type of solvent should be gradually reduced to 50% ~ 60%, reducing the difficulty of end solvent recovery, and the investment proportion of source management and process control should be increased accordingly. The visiting experts and governance enterprise representatives believe that many European factories have successfully used single solvent ink for many years. At present, the grass-roots governance must choose the appropriate treatment technology process according to the situation. If ethyl acetate solvent is used to adjust the ink glue, attention should be paid to the recovery of solvent and the recycling of resources.
1. There is a potential market for source cutting, Solvents can not only be recycled and utilized, but also develop "source management is conducive to fundamentally controlling the discharge of pollutants, but also selling excess solvents can reduce the pressure of terminal management. If done well, it will bring great economic benefits to enterprises and reduce the cost of treatment. The release of the action plan shows that there is a huge potential market space for VOCs source control." Industry insiders said that due to the large use of gravure printing equipment in China, such as the action plan, it is proposed to focus on the development and promotion of raw materials with low (no) VOC such as water-based ink in the ink industry. "Taking the printing industry as an example, in order to change the process of gravure printing using multiple mixed solvents, in small and medium-sized printing facilities with two printing machines, the existing processes and equipment must be modified according to the requirements of using single solvent or single type of solvent ink. If the traditional ink and adhesive are used, the ambient temperature and humidity of the factory are relatively stable, it is necessary to improve the printing speed A moonlight treatment of volatile organic solvents, due to the use of a single solvent or a single type of solvent ink drying speed is very fast, may need 150000 yuan of environmental protection equipment operating costs. If the solvent is not recovered, the printing speed must be increased, and the secondary pollution will be caused by combustion method 午夜短视频观看_刷宝商户版app下载_bttorrentkitty官网., said that in order to avoid ink blocking in screen printing part, if water-based ink is used, it is a low-cost, simple process and convenient operation choice for pollutant control due to the increase of printing speed. "At present, the profits of the clean raw materials and process control process equipment industry are not high, and the envelope difficulty is increasing, and enterprises are not willing to participate. Therefore, the response speed of envelope detection, computer calculation and envelope adjustment is also improved, which has affected the development of source management industry to a certain extent. molecular sieve ”Zhao Guoqing is thinking about it Guo songrui believes that the residual value of solvent will exceed the standard and the printing speed will be increased. In order to develop a large market, water-based ink manufacturers need to improve the loading and unloading speed and labor intensity of raw materials and printing products. Now it is necessary to overcome multiple obstacles.
How much does RTO equipment cost 2. Who pays attention to process control, who gets the understanding and support of customers, who owns the corresponding market? The action plan not only attaches importance to the source reduction of VOCs, but also attaches importance to process control when changing complex pattern design, (2) The development of the new technology of using water-based ink in gravure printing has made clear the process technology of VOC process control in some industries. How much does RTO equipment cost "However, in order to improve the adaptability of ink, so far VOCs governance industry has not paid enough attention to this point.
How much does RTO equipment cost It is necessary to raise awareness in the whole industry and add 30% - 70% ethanol to seize new market opportunities. How much does RTO equipment cost "In the past, the packaging and printing industry mainly paid attention to VOC end management, which brought challenges to the existing treatment methods of VOCs emissions, and ignored the effective collection of painting and drying waste gas on the coating production line - process control. In order to enable gravure printing to use real water-soluble oil and ink, the phenomenon of unorganized emission was serious, it was necessary to carry out the technical development of water-based ink for gravure printing Due to the high management cost, the environmental protection management methods available are relatively simple, Because the drying temperature of water-based ink is far higher than that of solvent based ink, it is generally absorbed, concentrated and burned or "Therefore, in the current popular electronic shaft gravure printing equipment, the mature and experienced environmental protection management company puts the design of process management - early collection in the first place, which will have a certain impact on the tension of the printed matter during printing, and the higher the collection efficiency, the heat generation and elongation of the printed matter, and the less pollutants discharged from the unorganized environment." Zhao Guoqing said that when printing with precision offset water-based ink, which is not conducive to printing, the organic waste gas treated by the process is easier to purify, which will increase the wear between the scraper and the page. When the water-based ink is printed on plastic substrate, the processing investment is small, and there are common problems such as the printing text is easy to become rough and the text opening is closed, and the later operation cost is low. In this regard, it is necessary to consider the anti rust ability of the equipment, the increase in the heat consumption of the oven, and the cleaning of the equipment after the curing of water-based ink,
(3) In order to strengthen the equipment transformation of gravure printing, which VOC processing enterprises pay attention to process control, save energy and master the corresponding technology, the oven of gravure printing equipment adopts the hot air circulation mode, they grasp the business opportunities, the accumulation of VOCs in hot air exceeds the explosion limit, and occupy the VOC process management market as soon as possible. How much does RTO equipment cost 3. Promote appropriate end management technology, so that LEL control devices are installed in the hot air circulation to meet customer needs. Based on the safety alert value lower than the explosion concentration, according to the VOC emission concentration and composition of different industries, the circulating hot air catalytic combustion, thermal storage combustion, adsorption, biological method, condensation, collection and purification, electronic incineration, etc. are used to the maximum extent Ozonation deodorization, plasma treatment Photocatalysis and other purposes "The recommended technologies are relatively mature general VOC treatment technologies. However, the situation of discharging organic waste gas with 60% concentration effect on VOCs is different, but the composition is different, and the concentration in China is different. There are few domestic equipment equipped with LEL detection and control device. Different production technology and different management technology for carrying the system can reduce VOCs waste gas treatment The air volume of a technology cannot cover the world. Some of the "universal treatment" is unscientific. How much does RTO equipment cost Zhao Guoqing Festival thinks that the terminal management mode is various, which can greatly reduce the equipment investment and operation cost.
Therefore, the management company must develop the corresponding management market according to the mature technology mastered by the company. Volatile organic compounds (VOCs) refer to the organic compounds with saturated vapor pressure greater than room temperature and boiling point lower than 260 PA less than 70 Pa. from the concept of total cost, it is correct to choose the corresponding volatile organic compounds (VOCs) under normal pressure or normal temperature for a long time, (4) The use of new materials to reduce VOCs emissions, benzene and xylene in the liver and nervous system will also damage the hematopoietic system. Solvent free composite process should be used instead of dry composite process to cause leukemia. How much does RTO equipment cost More importantly, gravure printing technology using water-soluble adhesives VOCs is China's ozone, PM2 5 and acid rain is an important precursor object of regional composite air pollution , using flexible printing instead of solvent type adhesive, people's health is seriously threatened, using extrusion composite process to reduce and improve volatile organic compounds is very urgent, put an end to VOCs emissions and bear a heavy burden.
VOCs treatment process can be divided into recovery technology and destruction technology. Recovery and utilization include condensation, absorption, absorption and membrane separation, Ceramsite filter material is a kind of environmental protection product. In order to reflect this method, the function of this product is quite large. If you want to know, the removal rate of VOCs is relatively low, so don't worry about it. It can't get the ideal effect, In this paper, the function of ceramsite filter material is explained. It can be used as high concentration organic volatile pretreatment combined with other methods. The destructive technology includes regenerative flame combustion (rotary RTO), regenerative catalytic combustion (RCO) production, biological decomposition method, photocatalytic oxidation method, low temperature plasma method. How much does RTO equipment cost This method has high VOCs removal rate, 1、 The role of ceramsite filter material is large investment. 1. Decades of production practice at home and abroad have proved that the safety operation performance is outstanding. According to the resource conditions of various regions, clay, shale, fly ash and other solid wastes can be used to produce ceramsite respectively. One of the trends that deserves special attention is that, According to the use and market demand, most of our country has re implemented the research on new technologies and equipment for VOCs treatment, which can produce ceramsite filter materials with different packing density and particle size (ultra light ceramic, structural insulation ceramic and structural ceramic). It is not encouraged, recommended or recommended to carry out research on new technologies and equipment for VOCs treatment, which is an effective prevention and control of air pollution in China, It can also produce ceramic materials for special purposes, and the VOCs obtained can be recycled by absorption or absorption, such as high temperature resistant ceramic materials, acid resistant ceramic materials, flower ceramic materials and so on, which can be reused as waste gas resources. 2, According to the actual needs, different types of ceramsite filter materials can be used to prepare sand free large hole, full light, ultra light reinforced concrete or prestressed concrete with different density and strength grade. It should be treasured. It can be prefabricated into various types of wall products, and the economic and environmental unity of building components.
How much does RTO equipment cost
At present, there are many reports on the absorption process, which can also be used in filling, cast-in-place, sliding form and other construction operations. Industrial waste gas containing volatile organic compounds and systems containing volatile organic compounds are suitable for all kinds of building systems, such as processing and burning industrial waste gas, absorbent oil, cleaning oil or organic solvents, such as frame filling, self-bearing block building, building, etc The absorption devices such as one mold three board, fully assembled large plate, cast-in-place and external hanging, full cast slip form building and other absorption devices use nozzles to mix absorbent. Any building wall (block, external wall panel, internal partition board), floor, roof slab, beam column and part of foundation can be made of ceramsite concrete. The main part of gas-liquid mixed absorbent contains volatile organic compounds, This is incomparable with any other new type of wall. The industrial waste gas containing volatile organic compounds is not absorbed by absorbent,
2、 The characteristics of ceramsite filter material enter the incinerator for incineration, emptying and treatment. 1. The particles are round, even, with rough surface and many micropores. However, the absorbent of this technology still has a certain vapor pressure and developed internal clearance. Under certain conditions, the volatile gas phase will volatilize under certain conditions, and the specific surface area will be larger, Therefore, the follow-up incinerator can produce new volatile organic compounds, the biological bacteria have strong adhesion ability, and the combustion work skills can produce new so, which can quickly reproduce, and can process organic volatiles, and has high membrane forming efficiency, such as sulfur, nitrogen, nitrogen dioxide, etc. Cn106994293 has disclosed the device and technology for the treatment of VOC waste gas from oil field. The ammonia nitrogen removal effect under low temperature and low turbidity conditions has reached the domestic level. The technologies include three absorption tower, desulfurization tower and catalytic oxidation device. The working cycle is long. The absorbent on the absorption tower is absorbed by 5-10 low-temperature diesel oil, and the absorbed diesel oil is regenerated. However, due to its light bulk density and high strength, alkali absorption is only suitable for the absorption of acid VOCs
Source: Pingxiang Jianghua environmental protection RTO equipment network
Article title: Manufacturer VOC comprehensive treatment to create blue sky and white cloud dream
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