Fukuda Ouhui LNG Bus Becomes Popular with Homeopathy

On September 13, 2013, the Ministry of Transport held a symposium to promote the creation of a bus city in Xi’an. The first batch of “transit cities” created companies to take turns speaking and share experiences, among which the promotion of energy-saving and new energy vehicles was the most concerned, especially LNG bus application.

In Dalian, a total of 370 million yuan has been invested in 713 vehicles since the launch of the “transportation city”. Among them, 394 are energy-saving and new energy vehicles (30 hybrid buses, 20 pure electric vehicles and 344 LNG buses), It accounts for 55% of all newly purchased vehicles; in Beijing, the signing of orders for more than 3,000 high-capacity LNG buses will contribute new strength to Beijing’s Blue Skies program; in Guiyang, since the “Oil to Gas” project started in 2005, 2227 vehicles have All buses use LNG clean fuel, becoming a representative of 100% of clean energy in the provincial capitals of the country... In fact, not only the pilot cities of “transit cities”, but the promotion and popularization of LNG buses has begun in the country.

"Quantity" and "Quality" Synchronization: Bus Priority to Crack Urbanization Problems

According to data from the Ministry of Transport, the urbanization rate increases by 1 percentage point each year, indicating that more than 10 million people have moved from rural areas to cities. The urban area has also been accompanied by rapid expansion. Between 2000 and 2011, the urban built-up area in the country has increased by 94%.

In addition, the rapid growth of private cars and the advent of the automobile society have brought convenience to the citizens. At the same time, environmental issues and congestion problems are called urban “common problems”. From 2000 to 2011, car ownership increased from 16.09 million vehicles to 106 million vehicles, an increase of 5.6 times, and the growth of public transport obviously failed to catch up. It is understood that as of the end of 2012, there were only 475,000 public electric vehicles. The dominant position of public transport in the urban transport system has not yet been established. The sharing rate of bus trips in most central cities across China is less than 30% on average, and the average size of small and medium-sized cities is about 10%, which is quite different from that of similar foreign cities. Problems such as “waiting for a bus driver, slow driving, and crowded car” are prominent: the average speed of buses in major central cities is about 15 km/h, which is comparable to that of bicycles and affects the attractiveness of urban public transport.

In other words, the rapid economic and social development and the acceleration of urbanization have created new requirements for urban public transport. “At the same time as accelerating coverage coverage and depth, it is an inevitable trend to further improve service capabilities and service quality, and to achieve simultaneous improvement of “quantity” and “quality”. Corresponding leaders of the Department of Road Transportation of the Ministry of Transport told reporters.

LNG bus promotion trend

Bus priority "forced" vehicle structure transformation and upgrading

According to authoritative data, in 2012, China’s oil consumption was 490 million tons, and imports were 284 million tons, and the foreign dependency was 58%. The transportation industry, as a large oil-consuming company, consumes more than 36% of the country's total oil. Constraints on resources and the environment are becoming more and more severe, and a "reversing mechanism" has been formed for the priority development of public transport, especially for the transformation and upgrading of the vehicle structure.

As LNG passenger cars do not produce harmful toxic substances such as sulfur, lead, and benzene, the country's four or more emissions basically have no PM emissions, and environmental protection effects are excellent. In addition to the environmental protection function, LNG passenger cars have more stable supply conditions for natural gas. During the operation process, the stable performance of the vehicle body will also be greatly improved. At the same time, LNG buses can effectively reduce costs and have better application prospects than traditional fuel buses. From the actual operation point of view, the LNG price is now about 70% of the diesel price. Using LNG instead of gasoline and diesel can save fuel costs. 30 %. Coupled with the popularization and improvement of China's LNG refueling station network, the nationwide promotion of LNG vehicles has no worries.

In terms of actual operations, the environmental protection department previously conducted tail gas testing for Futian Auhui LNG passenger cars that are currently under operation at Beijing Da-1 Road. According to its one-year-long operation tracking report, the emissions of carbon monoxide from LNG passenger cars have been reduced by 97% and carbon. 72% reduction in hydrogen compounds, 80% reduction in nitrogen oxides, 24% reduction in carbon dioxide, 90% reduction in sulfur dioxide, 40% reduction in automotive noise, and 100% reduction in benzene, lead and dust.

Car prices follow the trend: LNG vehicle technology is maturing

The accelerated progress of urbanization, urban congestion, and the deterioration of the environment have “forced” the transformation and upgrading of the transportation industry. Naturally, vehicle manufacturers must follow the trend and research and design products with reliable quality and high performance to meet market needs. At present, domestic mainstream passenger car manufacturers have all launched LNG-related models, of which Beiqi Futian Ouhui Bus is the most eye-catching.

After Beijing Public Transport Group took the lead in purchasing the Futian Ouhui 18-meter high-capacity LNG bus on the bus line of Da 1 Street of Chang’an Avenue, in August this year, the two parties signed a large list of 3012 LNG buses, which triggered a nation-wide follow-up.

It is understood that BJ6127 suburban buses, BJ6128 double-decker LNG city buses, and BJ6180 low-floor high-capacity LNG city buses selected by the Beijing Public Transport Group are classics that Futian Ouhui has fully investigated. In order to reduce the operating costs of users and reduce environmental pollution, Ouhui LNG buses integrate the three unique technologies of I-POWER power condition matching technology, full load body technology, and e-AIR engine intelligent cooling system, which perfectly realizes the unity of the two.

The Ouhui LNG passenger car adopts a highly integrated system design. The gas cylinders are in separate sealed compartments, isolated from all wiring harness appliances, eliminating the occurrence of hidden dangers from the source; at the same time, the anti-leakage device of the gas capsule compartment can effectively prevent gas leakage from leaking and will not cause Explosive; Ou Hui LNG passenger car is also the first to adopt A-class "non-combustible" materials, compared to ordinary passenger car "flame-retardant" materials, can be described as "good car is not afraid of fire", at the same time, the engine compartment is also equipped with a leak alarm device and automatic fire extinguishing The device is linked with the monitor display at the dashboard and the "passive safety" factor is significantly increased.

Back blowing Bag Filter
The back blowing bag filter condenses the advantages of all kinds of bag duster both at home and abroad. It is a new type of dust removal device which combines the mechanism of cyclone dust removal and filter dust removal mechanism, and uses special cleaning methods to remove dust.
Summary
The back blowing bag filter condenses the advantages of all kinds of bag duster both at home and abroad. It is a new type of dust removal device which combines the mechanism of cyclone dust removal and filter dust removal mechanism, and uses special cleaning methods to remove dust.  The direct scour filter bag with high speed dust air flow is avoided and the service life of filter bag is prolonged; the clean air source of the back blowing dust source is introduced from the clean air flow after purification, which reduces the temperature difference between the air flow of the back blowing air and the Dust Collector and reduces the condensation phenomenon to the minimum limit.
Scope of application
The products are widely used in mine, metallurgy, machinery manufacturing, foundry, chemical, papermaking, refractory, cement, asbestos, industrial kiln and other industries, such as material recovery, flue gas dust control.
Working principle
After the dust air flow is cut into the dust collector, the large particle dust is separated and falling into the ash bucket first, and the small dust particles are suspended in the gas through the airflow distribution device, entering the filter chamber evenly, dispersing in the gap between the filter bags and being blocked by the filter bag, and the purification gas flow is discharged by the main fan.
Structure form of bag type dust collector
1. According to the shape of the bag, it can be divided into flat bags (trapezoidal and flat shaped) and round bags (cylindrical).
2. According to the way of entering and leaving the wind, it can be divided into: the downward wind and the upward wind, the wind and the direct current (only the plate-like flat bags).
3, according to the bag filter method is divided into: external filtration and internal filtration. The filter material consists of cotton fiber, wool fiber, synthetic fiber and glass fiber. The filter material made of different fibers has different properties. The commonly used filter material is 208 or 901 terylene flannelette, the use temperature is not more than 120 degrees C, the glass fiber filter bag after the silicone resin treatment, the temperature is generally not more than 250 degrees C, the cotton wool fabric is generally applicable to no corrosion; the temperature is below 80-90 centigrade gas.
Features of bag type dust collector
1, the dust removal efficiency is high, it can trap small particles with a diameter larger than 0.3 microns, and the efficiency of dust removal can reach more than 99%.
2, the use of flexible, handling air volume by hundreds of hours per hour in the room, small square meters of square meters near the machine tool to hundreds of thousands of cubic meters per hour, directly set up as a unit, also can be used as a large dusting room, that is, "bag house".
3, the structure of bag filter is relatively simple, stable operation, less initial investment (compared with ESP), easy maintenance. Therefore, the bag filter is widely used to eliminate dust pollution, improve the environment and recycle materials.
4. The key filter material of bag filter is now in service for more than 2 years, and has achieved 4-6 years' performance.
5. In dry and semi dry desulphurization systems, the role of SO2 in flue gas is further reduced.

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