Analysis of formaldehyde detection method and removal method after renovation of new houses in Quanzhou

Before formaldehyde detection, doors and windows should be closed 12 hours in advance, and then reach 0. 1mg/m3. If this number is exceeded, formaldehyde will exceed the standard.

Ventricular treatment process

1. After the inspection, clean up the site, count and classify the indoor items, put the sundries in a place that will not affect the construction, and remove the ground garbage;

2. Wipe the working surface (including furniture, doors, floors, etc. ) and blow off floating dust and dust with a spray gun;

3. Fumigating furniture surfaces, painted surfaces, curtains, etc. Long-term high-temperature fumigation, fumigation for at least 20 minutes per piece of furniture on average, so that formaldehyde and odor are completely released. (Note: Every 25 minutes or so, you need to replenish 2 measuring cups of water, about 1.4 liter. Please turn off the power supply and release the pressure when adding water! )

4. Spray or wipe the furniture surface and paint board with formaldehyde scavenger (experiment can be done at the corners before use), and wipe it after it is completely dried, which has a polishing effect on the furniture surface;

5. Spray or wipe all boards, doors and furniture without paint surface with formaldehyde scavenger; If formaldehyde seriously exceeds the standard, wipe or spray it with formaldehyde nano-biological enzyme; For dark furniture or seriously polluted plates, wiping or spraying with formaldehyde nano-biological enzyme can effectively remove and degrade formaldehyde on the one hand, and also have a certain odor removal effect on the other; (1-2 times to use formaldehyde scavenger, more than 3 times to use one of them according to different pollution levels. (Note: When using the sprayer, tighten the watering can vigorously, and after each spraying, clean the watering can and spray gun with clean water to discharge the residual medicine! )

6. For various working faces that have used formaldehyde scavenger and formaldehyde nano-bio-enzyme, spraying or wiping with formaldehyde nano-bio-enzyme can produce strong adsorption, so that the agent can better penetrate, decompose and remove formaldehyde.

7. Spray the wall (light color) and ceiling (light color) with Wang Dewei; (or don't spray) For the painted wall, spray with Deodorant King or te formaldehyde nano-bio-enzyme; (Generally, white is not recommended to be clear)

8. Clean and care the walls and floors of the kitchen and bathroom with an air processor, so as to sterilize, remove mites and deodorize;

9. Spray or wipe all kinds of wood floors (laminated wood floors, solid wood floors and composite wood floors) with formaldehyde scavenger or formaldehyde nano-bio-enzyme, and wipe them after being completely dried, which can polish, protect and repair the scratches on the wood floors; The interior of the primary color furniture can be sealed by the protective film formed by the natural drying of Deodorant King.

10. According to the indoor smell, spray the decoration deodorant directly into the air. When spraying, spray upward as far as possible, let the medicine fall naturally, and remove all kinds of odors and organic volatiles in the room.

1 1. Use indoor environmental treatment equipment to analyze and purify indoor air, and quickly remove indoor odor and free toxic and harmful substances. (20-30 minutes according to the size of the room, close the doors and windows before processing, and separate the man and machine when working; Can be used before re-examination after treatment)

Treatment of some special materials

I. Carpets

1. Sterilize, decontaminate, deodorize and remove mites with a high-temperature steam engine;

2. Brush it with decorative deodorant;

Second, wallpaper

1. Spray wallpaper 20-30cm away from decoration and deodorization.

2. Fumigating with a high-temperature machine first, and then spraying formaldehyde biological enzyme. If it smells, you can use Wang Dewei.

Third, leather products.

Wipe with the king of decorative deodorization; Or an atomized spray of formaldehyde scavenger.

Fourth, fabric products.

1. Fumigating with high-temperature steam engine (air processor) for sterilization, decontamination, deodorization and mite removal;

2. Deodorize the king with decoration and fumigate.

3. Direct spraying with formaldehyde scavenger.

Precautions:

1. During the treatment, the window should be opened for ventilation, and the fan should be turned on for exhaust if the ventilation condition is poor;

2. Before use, the reagent should be tested in the corner as far as possible, and it can be used in a large area without obvious changes;

3. In order to avoid affecting the beauty of customers' articles, household appliances, lamps and other articles should be covered with newspapers or cloth as far as possible, and indoor plants should be moved to the balcony for opening;

4 indoor formaldehyde exceeds the standard by more than 4 times, and the treatment is more than 2 times; Except the biological enzyme of Weiwang and formaldehyde, the interval between two treatments should be about 2 days, and the operation should be carried out according to the medication process;

5. For newly renovated, unoccupied, newly purchased furniture and customers with strong smell, all wooden furniture, plates, floors, etc. You can wipe or evenly brush with decoration deodorant first, and then follow the treatment process after drying. (When wiping or brushing evenly, the concentration of decoration deodorant can be flexibly adjusted according to the smell and pollution degree. )

6. For wooden furniture seams and places that are not easy to brush, you can spray with a needle;

7. Don't lean on the object when decorating the deodorizing king for fumigation, 40-50 cm away from the object;

8. After the interior wall of furniture is finished, brush this product 1 hour to completely wipe off the excess products on the surface.

9. After the treatment, close the doors and windows, and open the window for ventilation after 3-4 hours for the customers who check in; For customers who have not checked in, they can open the window for ventilation after 1-2 days.

10. Wear a mask to protect your eyes when spraying chemicals during construction.