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1. Slotting of tubesheet

有三種開槽方法：一種板開槽法、兩種板開槽法、四種板開槽法。有兩種方法：人工開槽法和機(jī)械開槽法。

There are three slotting methods: one plate slotting method, two plate slotting methods and four plate slotting methods. There are two methods: manual slotting and mechanical slotting.

2.密封

2. Sealing

推薦的節(jié)能消聲通風(fēng)管道系統(tǒng)密封膠有兩種熱敏膠帶和壓敏膠帶。在管道用膠帶密封之前，應(yīng)使用一根特殊的扒竊裝訂針來固定管道的連接處，而裝訂針之間的距離為150毫米。裝訂時(shí)，裝訂針應(yīng)與接縫稍微成角。捆綁針僅用于固定蓋舌的界面。如果沒有蓋舌或平界面，則用膠帶片固定，大膠帶為300毫米，兩邊至少有1條。

The recommended sealant for energy-saving silencing ventilation duct system includes two kinds of thermal adhesive tape and pressure-sensitive adhesive tape. Before the pipe is sealed with tape, a special pickpocketing binding needle shall be used to fix the connection of the pipe, and the distance between the binding needles shall be 150 mm. When binding, the binding needle should be slightly angled with the seam. The binding pin is only used to fix the interface of the cover tongue. If there is no cover tongue or flat interface, fix it with adhesive tape. The large adhesive tape is 300mm and there is at least one on both sides.

3.加強(qiáng)

3. Strengthening

當(dāng)通風(fēng)管道系統(tǒng)中的靜壓載荷使玻璃纖維通風(fēng)管壁產(chǎn)生1%的撓度時(shí)，必須加強(qiáng)通風(fēng)管道。通常，節(jié)能和靜音通風(fēng)管道系統(tǒng)的管道可以通過以下方法進(jìn)行加固：

When the static pressure load in the ventilation duct system causes 1% deflection of the glass fiber ventilation duct wall, the ventilation duct must be strengthened. Generally, the pipes of energy-saving and silent ventilation duct system can be reinforced by the following methods:

A.用鋼制顏色和套管加固的拉桿加固方法，通常采用500Pa以下的正壓加強(qiáng)。

A. The tie rod reinforcement method with steel color and sleeve reinforcement usually adopts positive pressure reinforcement below 500pa.

B.框架加固方法，即輕鋼龍骨加固。

B. The frame reinforcement method is light steel keel reinforcement.

(C)鎖緊加固法，即用輕鋼龍骨加固，用于拉桿加固和框架加固，不能用于900彎管、三通管、悶管等特殊管道。

(C) Locking reinforcement method, i.e. light steel keel reinforcement, is used for tie rod reinforcement and frame reinforcement, and can not be used for 900 elbow, tee pipe, stuffy pipe and other special pipes.

(D)抗下垂加固法，用于特殊管道的加固，如可變管道加固和迂回管道加固。

(D) Anti sag reinforcement method is used for the reinforcement of special pipelines, such as variable pipeline reinforcement and circuitous pipeline reinforcement.

4.修理?yè)p壞

4. Repair damage

管子輕微的種密封有外可以用修補(bǔ)的，一特殊表面如果損壞劑。舒伯輕微有管子修補(bǔ)修補(bǔ)表面膠如果可用專用內(nèi)，損傷。面層如果的可鋁箔合格層選用損壞損壞未，管道表面鋁箔保溫管道對(duì)外鋁箔，修復(fù)進(jìn)行玻璃纖維。

The slight sealing of the pipe can be repaired with a special surface damage agent. Schuber slightly has a pipe repair surface glue. If it can be used, it will be damaged. If the surface layer is qualified with aluminum foil, the damaged layer shall be selected, the aluminum foil on the pipe surface shall be insulated, and the external aluminum foil of the pipe shall be repaired with glass fiber.

損傷將如果另按下來打開的涂切割接口保溫留下處膠周圍接口可密封，修復(fù)壁，好按母已經(jīng)，的選公上到的板材母了在和規(guī)范層損傷切割玻璃板接口公，膠粘劑工藝切割管玻璃纖維。更換，管道正常修復(fù)需要，較為較以運(yùn)行的的通風(fēng)管進(jìn)行系統(tǒng)可能和損壞保證則面積運(yùn)行，損壞會(huì)，大對(duì)系統(tǒng)正常管道影響嚴(yán)重如果。

If the damage will be pressed down, the thermal insulation of the open coating and cutting interface can be left. The surrounding interface can be sealed and the wall can be repaired, so as to cut the glass plate interface male and the glass fiber of the pipe according to the selected male of the female and the standard layer. If the replacement and normal repair of the pipeline are required, the ventilation pipe that is relatively more in operation may be damaged and the system will operate in a large area, the damage will be large, and the normal pipeline of the system will be seriously affected.