CN101279170B - Technique for cleaning air conditioner filter screen of railway carriage - Google Patents

Abstract

The invention relates to a technique for washing an air conditioner filter screen in a railway passenger car. When an air conditioned passenger car enters a warehouse for reconditioning, a clean air conditioner filter screen is adopted for replacing an air conditioner filter screen to be replaced and a special cleaning machine for the air conditioner filter screen is used for cleaning. The filterscreen replaced for cleaning is collected and encased by a special filter screen container and transported to a working platform of the filter screen cleaning machine; a cleaning solution pipe arranged above the platform is applied by the pressure effect of the container, opened by a pressure switch and ejects a cleaning solution to spray and wet the filter screen in the container, so as to causedust to be wetted, decomposed and loosened. After the filter screen is wetted, the filter screen cleaning machine automatically pushes the filter screen at an angle to a cleaning tank (the filter screen enters the cleaning tank at an angle, which is beneficial for showers to clean dust); the cleaning tank is respectively provided with an upper shower and a lower shower which adapt to the length (width) of the filter screen; the upper shower and the lower shower spray high-pressure water to carry out spray-wash to the filter screen; then the cleaning machine pushes the filter screen to continuously move to a position for air drying; an air blower carries out air drying to the cleaned filter screen which automatically enters the air conditioner filter screen container. Whole cleaning process is finished. After the cleaning machine pushes the filter screen out of the container, the cleaning platform automatically rises to a height as the thickness of a filter screen to well prepare conditions for next filter screen.

Description

Technique for cleaning carriage air conditioner filter screen

Technical field passenger train environment and energy-conservation

Technical background is along with the fast development of China railways passenger traffic, the construction of the high-speed railway Line for Passenger Transportation in Beijing-Tianjin, Beijing-Shanghai, Beijing-Shijiazhuang, Shanghai-Hangzhou and open-minded, the high-speed railway of the eastern section of Beijing-Harbin, Beijing-Dalian and sea, Gansu Province line also will be built in succession.The equipment technology level of railway transport of passengers train is also improving constantly.Guaranteeing the air quality in the passenger car, is to guarantee the ride essential condition of health of passenger.The carriage air conditioner unit is after air is carried out heat, wet process, to send in a certain way in the passenger car again, makes air themperature, humidity, flow velocity and cleannes in the compartment reach the requirement of passenger's comfort and health.Passenger train is the public place, and the passenger who gets on or off the bus in the car is flowed big, and occupant's density is big, and corresponding dust is also many, and in addition, train operation also must influence the air quality of air-conditioning in sand and dust, the more external environment condition of dust.Guarantee the passenger vehicle air quality, must make the normal operation of air conditioner, the airstrainer of air conditioner is the important composition parts of the normal operation of air conditioner, must bring into play the effect of airstrainer, makes the air cleaner health.At present, artificial cleaning (sweep, brush) Air Conditioning screen pack, time-consuming, effort efficient is low, and also clean rate is not high.With 25 serial passenger trains is example, because the Air Conditioning screen pack does not clean for a long time, even do not adorn airstrainer, the air purity that air outlet blows out in the car is poor, and the air that air outlet blows out in the part passenger vehicle is taken the black ash sheet (group) of many particle diameter 1-5mm unexpectedly out of.Influence air-conditioner efficiency simultaneously, increase power consumption, reduce electric energy efficiency.The motor train set high-speed train Air Conditioning screen pack of the D prefix that newly put into operation in 2007, also be faced with the difficulty of airstrainer cleaning, especially the floating poplar wadding and the fine hair of catkin are very easily inhaled in the spring air, stick on the Air Conditioning screen pack, after train is gone into the passenger vehicle storehouse, labor cleaning's time is long, prolongs the storehouse and stops the activity duration.Through looking into, the carriage air conditioner airstrainer does not also have special cleaning equipment and technology.This carriage air conditioner airstrainer cleaning technique cleans screen pack with purpose-built washing equipment exactly, the compression work time, and improve the passenger train warehouse-in and reorganize and outfit operating efficiency, improve air-conditioner efficiency and performance, reach the purpose that the economize on electricity consumption reduction reduces discharging.

The summary of the invention technique for cleaning carriage air conditioner filter screen is that air-conditioned passenger train is put in storage when reorganizing and outfit, the air-conditioning filter net that the air-conditioning filter net of employing cleaning will need to change is changed, collect vanning with special filtering net container, be transported on the air-conditioning filter net cleaning machine workbench position, be installed in the cleaning fluid pipe subject container pressure effect of top, workbench position, the cleaning fluid pipe is opened by pressure switch, the cleaning fluid ejection is wetting to the spray of the screen pack in the container, make the wetting decomposition of dust loosening, spray time can be provided with as required.Screen pack is wetting finish after, automatically (screen pack enters flushed channel with the angle of inclination to the screen pack cleaning machine with the angle of inclination with screen pack, help the flushing of shower to dust) be pushed on the rinse bath position, the rinse bath position is installed last shower and the following shower that adapts with screen pack long (wide) degree respectively, the one side of screen pack direction in machine is at first passed through the shower (one side of screen pack in machine down in the process of cleaning machine propelling movement screen pack, because the dust ecto-entad sucks, flushing water washes from inside to outside and helps the dust flushing), following shower upwards carries out inject high pressure water, clean filtering wire side, along with cleaning machine pushes moving on the shower position of screen pack, the downward inject high pressure water of last shower carries out hydro-peening to screen pack one side outwardly.What cleaning machine pushed screen pack then continues to move to air-dry position, and blower fan carries out air-dry to the screen pack after cleaning, and the screen pack after air-dry enters the air-conditioning filter net container automatically along with cleaning machine continues to push.Cleaning machine push screen pack move out container after, next screen pack falls in cleaning platform automatically, thick height of screen pack of lifting is ready to condition for cleaning next screen pack.Finish the whole cleaning processes of screen pack, according to the dust degree of fouling of airstrainer, scavenging period can be regulated and control about 10 seconds.The lifting apparatus of the screen pack to be cleaned on the workbench position in the container is by electronic or hydraulic control.

Specific embodiment technique for cleaning carriage air conditioner filter screen is that air-conditioned passenger train is put in storage when reorganizing and outfit, and establishment officer places cleaning filter net to be changed respectively by the air-condition position of vehicle parking, to shorten the working time of changing screen pack.After treating that passenger vehicle puts in place, the staff adopts the air-conditioning filter net of cleaning to change the new wind screen pack and the return air screen pack of air-conditioning immediately, and checks affirmation, installs intact.Collect vanning with special filtering net container subsequently, finish work on the spot.The screen pack container is transported on the screen pack cleaning machine workbench position, and cleaning machine moves automatically by cleaning procedure, finishes whole cleaning processes.The screen pack container is used at the passenger vehicle scene according to parking stall dispersing and filtering net or collects screen pack, and the deadweight of screen pack container adds the screen pack Weight control about 25kg, so that disperse or collect screen pack in that passenger vehicle is on-the-spot.

The screen pack cleaning machine is made up of screen pack propulsion plant, lifting apparatus, last shower and following shower, water pump, blower fan, control device and lifting apparatus.The water treatment facilities supporting with cleaning machine arranged in addition, so that the recycling of rinse water.

This technology adopts to be changed and the cleaning and filtering network technology, can shorten the passenger vehicle storehouse and stop reorganizing and outfit the working time, quickens the passenger vehicle turnover, improves air-conditioner efficiency, reaches the purpose of environment-friendly and energy-saving emission-reduction.

Claims (1)

1. passenger train screen pack cleaning machine is by the screen pack propulsion plant, last shower and following shower, water pump, blower fan, control device and lifting apparatus are formed, the screen pack cleaning machine advances screen pack to clean by auto-programming, cleaning machine cleaning fluid pipe is opened automatically by pressure switch, wetting screen pack, the screen pack cleaning machine is pushed to screen pack on the rinse bath position with the angle of inclination automatically, the rinse bath position is installed shower and following shower respectively, cleaning machine pushes in the process of screen pack that shower and last shower jet cleaning water carry out hydro-peening to the inside and outside two sides of screen pack under the screen pack, the screen pack of cleaning machine propelling movement subsequently carries out air-dry and the screen pack container of packing into, cleaning machine push screen pack move out container after, thick height of screen pack of the automatic lifting of cleaning platform, be ready to condition for cleaning next screen pack, the lifting of the screen pack to be cleaned in the container is by electronic or hydraulic control.