阅读说明：本技术 一种列车车厢空气净化专用复合滤网 (Special composite filter screen for air purification of train carriage ) 是由 侯立安 白光明 韩树涛 窦磊 温景剑 王秋生 杨春军 张学栋 于 2020-07-02 设计创作，主要内容包括：一种列车车厢空气净化专用复合滤网属空气净化设备领域。本发明的技术方案是：专用复合滤网由边框、用有机纤维交织而成并浸蕴着净化材料聚多巴胺并有特殊新材料、配以多种无毒材料形成新配方的高效滤网、压片和活栅组成；边框由压条、用于插入活栅的插框、外框以及若干挡条固定在一起；活栅由涂有银离子的多层复合钢网以及两端的夹框组成；可灵活地将整个专用复合滤网推入现有高铁列车车厢空气调节系统中并压紧的压片固定在上方。有益效果是：该专用复合滤网可方便地代替现有高铁列车车厢空气调节系统中的过滤网,有效去除挥发性有机物TVOC、甲醛及PM2.5、PM10等颗粒污染物,显著改善列车车厢空气质量,安装拆卸十分方便。(A composite filter screen special for air purification of train carriages belongs to the field of air purification equipment. The technical scheme of the invention is as follows: the special composite filter screen consists of a frame, a high-efficiency filter screen, a pressing sheet and a movable grid, wherein the high-efficiency filter screen is formed by interweaving organic fibers, is soaked with a purification material polydopamine, is provided with a special new material, and is matched with a plurality of non-toxic materials to form a new formula; the frame is fixed together by a pressing strip, an inserting frame used for inserting the movable grid, an outer frame and a plurality of barrier strips; the movable grid consists of a plurality of layers of composite steel nets coated with silver ions and clamping frames at two ends; the whole special composite filter screen can be flexibly pushed into the existing air conditioning system of the high-speed train carriage, and the pressed tablet is fixed above the special composite filter screen. The beneficial effects are that: the special composite filter screen can conveniently replace a filter screen in the existing air conditioning system of the train carriage of the high-speed rail, effectively remove volatile organic compounds TVOC, formaldehyde, PM2.5, PM10 and other particle pollutants, obviously improve the air quality of the train carriage, and is very convenient to mount and dismount.)

1. The utility model provides a special compound filter screen of train carriage air purification which characterized in that: special compounding

The filter screen consists of a frame (1), a high-efficiency filter screen (2) which is formed by interweaving organic fibers and is soaked with a purification material polydopamine, a pressing sheet (3) and a movable grid (4); the frame (1) is fixed together by a batten (1-1), an inserting frame (1-2) for inserting the movable grid 4, an outer frame (1-3) and a plurality of barrier strips (1-4); the movable grid (4) consists of a composite steel mesh (4-2) coated with silver ions by pressing and a clamping frame (4-1) on the periphery; the whole special composite filter screen can be flexibly pushed into the existing air conditioning system of the high-speed train carriage, and the compressed pressing sheet (3) is fixed above the special composite filter screen.

Technical Field

A special composite filter screen for air purification of a train carriage relates to air purification equipment, in particular to air purification equipment installed and used in a high-speed train carriage.

Background

At present, the scale of the Chinese high-speed rail stably occupies the world first, the China high-speed rail becomes the first choice for people to go out with rapidness and convenience, but the air quality in a carriage does not reach the standard, the health of passengers is harmed, railway departments often receive complaints of the passengers about the air quality of the carriage, and meanwhile, the carriages of a common train, a subway, an urban rail and a coach have the same air quality problem, so that the important schedule is provided for improving the air quality of the carriage. Air pollution in a carriage comes from multiple aspects, mainly including: people in the carriage are dense, and bacteria, viruses, body odor, breath odor, luggage peculiar smell and various meal odors are mixed together; volatile organic compounds (namely harmful substances such as TVOC) and the like continuously released by interior decoration materials of a carriage, hydraulic pipes, electric wires, cables and the like; when the air pollution outside the vehicle is serious, TVOC, sulfur dioxide, nitrogen oxide, PM2.5 haze particles and the like inevitably flow into the vehicle in the ventilation process. According to detection, pollution in a carriage is mainly caused by over standard TVOC and formaldehyde, wherein toluene accounts for 31.4248%, xylene accounts for 10.4103%, styrene accounts for 5.5346%, dimethyl-p-toluidine accounts for 0.8520%, and benzothiazole, acetophenone, undecane and the like are also contained, and volatile organic matters are very harmful to a human body. The prior art for purifying indoor air at home and abroad currently mainly adopts filter screens and activated carbon adsorption, can only adsorb particulate pollutants such as PM2.5, PM10 and the like, has short service life and high cost, and is easy to cause secondary pollution; in recent years, electrostatic dust removal technology is widely applied in the field of air purification, but the electrostatic dust removal technology is easy to generate ozone, high-concentration ozone can cause damage to human bodies, particle pollution can be only treated by the technology, harmful gases such as TVOC (total volatile organic compound) and the like cannot be treated, the installation and maintenance difficulty is high, and the technology is not suitable for being installed and used in train carriages. Therefore, at present, an air conditioning system is still frequently used in the train carriage of the high-speed train to adjust the temperature and humidity, and recently, a method for spraying negative ion liquid in the train carriage is also available, so that the volatilization of harmful substances such as TVOC, formaldehyde and the like is inhibited, and the effect is not ideal. Therefore, the innovative development of a brand-new filtering device which can be installed and used in a high-speed train carriage air conditioning system and can effectively remove volatile organic compounds TVOC and formaldehyde is a very urgent subject.

Disclosure of Invention

The invention aims to innovatively develop a filtering device which is installed and used in a high-speed rail train carriage air conditioning system, effectively remove volatile organic compounds such as TVOC (total volatile organic compound), formaldehyde and the like, and solve the problem of air pollution in high-speed rails, ordinary rails, subways and urban rail carriages.

The technical scheme of the invention is as follows: the special composite filter screen consists of a frame, a high-efficiency filter screen, a pressing sheet and a movable grid, wherein the high-efficiency filter screen is formed by interweaving organic fibers, is soaked with a purification material polydopamine, is provided with a special new material and is matched with a plurality of non-toxic materials to form a new formula; the frame is fixed together by a pressing strip, an inserting frame used for inserting the movable grid, an outer frame and a plurality of barrier strips; the movable grid consists of a composite steel mesh coated with silver ions and clamping frames on the periphery; the whole special composite filter screen can be flexibly pushed into the existing air conditioning system of the high-speed train carriage, and the pressed tablet is fixed above the special composite filter screen.

The invention has the beneficial effects that: the special composite filter screen can conveniently replace a filter screen in the existing air conditioning system of a high-speed rail train carriage, effectively remove volatile organic compounds TVOC, formaldehyde, PM2.5, PM10 and other particle pollutants, and kill bacteria and viruses to 99%, the outlet air of the special composite filter screen completely reaches the national excellent air standard, the air quality of the train carriage is obviously improved, the problem of air pollution in the high-speed rail, common iron, subway and urban rail carriages is solved, the air quality in the carriage reaches the national standard requirement, and a comfortable, safe and healthy riding environment is provided for passengers.

Drawings

FIG. 1 is a schematic cross-sectional view of the structure of the present invention.

Fig. 2 is a schematic sectional view of the structure of the frame 1 in fig. 1.

Fig. 3 is a schematic sectional view of the structure of the louver 4 in fig. 1.

Detailed Description

The details and operation of the present invention are explained in detail with reference to the accompanying drawings. The special composite filter screen consists of a frame 1, a high-efficiency filter screen 2 which is formed by interweaving organic fibers, is soaked with a purifying material polydopamine, is provided with a special new material and is matched with a plurality of non-toxic materials to form a new formula, a tabletting 3 and a movable grid 4; the frame 1 is fixed together by a batten 1-1, an inserting frame 1-2 for inserting the movable grid 4, an outer frame 1-3 and a plurality of barrier strips 1-4; the movable grid 4 consists of a composite steel mesh 4-2 coated with silver ions and a clamping frame 4-1 at the periphery; the pressing sheet 3 which can flexibly push the whole special composite filter screen into the existing air conditioning system of the high-speed train carriage and is pressed is fixed above the special composite filter screen. When the air conditioning system is pushed into the existing high-speed train carriage, the composite steel mesh 4-2 coated with silver ions intercepts micro particles in the air, and mainly filters particle pollutants such as hair, fiber velvet, dander, PM10 and the like in the indoor air; the purifying material of the high-efficiency filter screen 2 contains polydopamine, is provided with a special new material and is matched with a plurality of non-toxic materials to form a new formula, and is used for removing volatile organic compounds TVOC and formaldehyde, the TVOC is divided into polar gas and inert gas, such as toluene, xylene and the like, the purifying material polydopamine has the comprehensive effects of decomposition and physical adsorption on the polar gas and the inert gas, can quickly react with hydroxyl oxygen in the TVOC to play a role of decomposing the TVOC to generate stable compounds and water, the reaction is carried out at normal temperature, reverse reaction can not occur, the volatile organic compounds can not be decomposed, secondary pollution can not be generated, the reaction does not contain a catalyst, the catalytic decomposition process is not involved, and other volatile products are not generated. Because the special composite filter screen is the same as the overall dimension of the filter device of the existing high-speed train carriage air conditioning system, the special composite filter screen can be conveniently installed and disassembled only by detaching the filter device of the air conditioning system and pushing the special composite filter screen into the existing high-speed train carriage air conditioning system by the aid of the handheld pushing handle 3. When the special composite filter screen is used, the movable grid 4 is replaced regularly according to the regulations of railway departments, and the high-efficiency filter screen 2 is cleaned regularly, so that the air quality in the carriage is continuously and efficiently treated by the special composite filter screen. The invention has the beneficial effects that: the special composite filter screen can conveniently replace a filter screen in the existing air conditioning system of a high-speed rail train carriage, effectively remove volatile organic compounds TVOC, formaldehyde, PM2.5, PM10 and other particle pollutants, and kill bacteria and viruses to 99%, the outlet air of the special composite filter screen completely reaches the national excellent air standard, the air quality of the train carriage is obviously improved, the problem of air pollution in the high-speed rail, common iron, subway and urban rail carriages is solved, the air quality in the carriage reaches the national standard requirement, and a comfortable, safe and healthy riding environment is provided for passengers.