The RV is what we usually call a RV. As its name implies, it is a car like a house. Its functional equipment is similar to that of a house. It is suitable for tourism or the car of people who need to work in the field. The equipment inside the car is basically the same as the house in the home, so it can be called an RV. The main devices in the car are sleeping tools, kitchen and bathroom facilities, lighting of tables and chairs, and necessary storage facilities. So what are the rigid standards that need to be strictly observed for such a car? First, quality requirements The styling design, production raw materials, etc. of a residential vehicle need to be designed, manufactured and selected according to the relevant regulations of the country. A well-built residential vehicle must undergo inspection and inspection by the inspection department before it can be put on the market for sale before it can be used by consumers. Second, the body device requirements Anti-corrosive materials must be added to the exterior of the car body to protect the car from damage in extreme conditions in the wild. In addition, if the RV is relatively high and the distance between the door and the ground is more than 40cm, a non-slip door ladder should also be provided to facilitate personnel to get on and off. There is also that the tires of residential vehicles should be stable and easy to dismantle and repair. Third, the internal device requirements The internal alarm system, fire-fighting system (fire extinguisher) and liquefied gas safety inspection system can not be less. The internal lighting can not affect the driver's sight and ensure safe operation. The appliances used in kitchen and bathroom facilities should comply with the relevant regulations. Fourth, the car device requirements The compartments should have good sealing and heat preservation, ensure smooth ventilation, drainage pipes are also essential, and the compartment structure must be solid and stable. Ensure traffic safety. The above are some of the specific standards for residential vehicles. I believe that everyone knows more about residential vehicles. They are suitable for travel and wilderness vehicles. Consumers can refer to these standards when purchasing and renting a residential vehicle in the future. I believe they will play a great role. effect.
A4 Paper Machine
This is A4 Paper Making Machine,writing and printing paper making machine.
According to the different paper grade and working speed, this kind of paper machine is needed to select the way of papermaking, dewatering structure of press section, dryer cylinder bank, sizing and finishing equipments.
Sheet forming can use the open-type headbox, air-cushion headbox, and hydraulic headbox, gap former and inclined wire former. According to the paper uniformity requirement, it can use distributor roll or finishing surface roll.
Press dewatering type is multi-roll and multi-press nip press rather than large-diameter press. As the low basis weight and wet strength of this kind of paper, it usually makes the low strength wet sheet attached to the felt or guide rolls during each section mutual transferring and full web leading as much as possible.
Dryer section: dryer cylinder group. Paper leading: active or passive paper rope system. Finishing equipment: To choose according to the paper grade requirement.
Now we introduce the technical proposal and structural drawing of Fourdrinier advanced printing paper machine, which we made for Taiqian Minrui Huatong Paper Company in Henan province, China. The advanced printing paper of this company is the famous brand in China.
Trimmed width: 2640mm
Working speed: 400m/min
Basis weight: 50-100g/sq.m.
Headbox: Air-cushion headbox
Forming table length: 15m
Suction flat box with all stainless steel micro-crystal cover.
Press section: four rolls two press nips
The wet sheet is stripped by pick-up suction unit.
The second under press nip rubber blind bottom roll diameter is Φ800mm, with drive unit;
The suction top roll diameter is Φ800mm, with drive unit.
The top press nip is made by a stone roll and a rubber roll. The rubber roll diameter isΦ800mm, with drive unit;
The stone roll diameter is Φ850mm, with cut squirt.
This structure ensures the low strength wet sheet can press smoothly and paper breaks can be reduced.
The smooth press rubber bottom roll diameter is Φ800mm; the top stone roll diameter isΦ850mm. The paper leading roll has the drive unit.
The dryer section has 32 dryer cylinders with the diameter of Φ1800mm, which is divided into five groups: three groups for before-sizing, two groups for after-sizing. The top and bottom felt of first group and the group at the back of sizing machine is equipped with six felt drying cylinder with the diameter of Φ1250mm, which can dry the moisture well and improve the drying efficiency.
The paper leading roll has the drive unit. The paper leading type is three-stage passive paper rope system.
Sizing machine: inclined type surface-sizing machine.
Calender: four roll three press nips; the number is decided by the demands.
Reeler: horizontal pneumatic reeling machine.
If you are interested in our products, please feel free to contact us for more information, we are glad to give you the competitive quotation upon receipt of your detailed requirements.
A4 Paper Making Machine,A4 Paper Machine,Writing And Printing Paper Machine,A4 Copy Paper Making Machine Dandong Tianshin Automatization Technology Co.,Ltd , https://www.tianshinmachine.com
