消防干式報警閥施工、安裝要點
來源：http://www.xintli.net/ 日期：2022-07-03
火災(zāi)干式報警閥主要由封閉式噴頭、管網(wǎng)、干式報警閥、充氣設(shè)備、報警裝置和供水設(shè)備組成。那么消防干式報警閥的施工安裝有哪些關(guān)鍵點呢？
The fire dry alarm valve is mainly composed of closed sprinkler, pipe network, dry alarm valve, inflation equipment, alarm device and water supply equipment. So what are the key points in the construction and installation of fire dry alarm valve?
1）干式報警閥組應(yīng)安裝在不結(jié)冰的地方，主要是干式報警閥組處于伺服狀態(tài)時，水源側(cè)管網(wǎng)充滿水，干式閥系統(tǒng)側(cè)是氣室。為保證其氣密性，一般灌滿設(shè)計要求的密封水。如果干式閥的安裝部位結(jié)冰，干式閥的充水部分可能會結(jié)冰，尤其是干式閥氣室一側(cè)的密封水更容易結(jié)冰，可能會影響干式閥的開啟。閥門在輕型情況下，并可能導(dǎo)致嚴(yán)重的問題。干燥報警閥損壞。
1) The dry-type alarm valve group should be installed in a place free of ice, mainly because when the dry-type alarm valve group is in the servo state, the pipe network on the water source side is full of water, and the air chamber is on the dry-type valve system side. In order to ensure its air tightness, it is generally filled with sealing water required by the design. If the installation part of the dry valve freezes, the water filling part of the dry valve may freeze, especially the sealing water on the side of the dry valve chamber is more likely to freeze, which may affect the opening of the dry valve. The valve is in light condition and may cause serious problems. The drying alarm valve is damaged.
2）安裝完成后，將高度為50-100mm的清水注入報警閥的氣室，以保證干式報警閥的密封性，同時也防止水源一側(cè)的壓力水由于水壓波動而進入氣室。規(guī)定的50-100mm的低高度主要是為了保證密封的下限，高水位線不得影響干式報警閥（差壓式）的動作靈敏度。
2) After installation, inject clean water with a height of 50-100mm into the air chamber of the alarm valve to ensure the tightness of the dry alarm valve and prevent the pressure water on the water source side from entering the air chamber due to water pressure fluctuation. The specified low height of 50-100mm is mainly to ensure the lower limit of sealing, and the high water level shall not affect the action sensitivity of dry-type alarm valve (differential pressure type).
3）充氣連接管接口應(yīng)在報警閥氣室充水位以上，充氣連接管直徑不小于15mm，并安裝止回閥和截止閥在充氣連接管上。檢驗數(shù)量：全檢。檢驗方法：觀察檢驗和尺檢驗。
3) The interface of the inflation connecting pipe should be above the filling level of the air chamber of the alarm valve, the diameter of the inflation connecting pipe should not be less than 15mm, and the check valve and stop valve should be installed on the inflation connecting pipe. Inspection quantity: full inspection. Inspection method: observation inspection and ruler inspection.
4)氣源設(shè)備的安裝應(yīng)符合設(shè)計要求和現(xiàn)行相關(guān)標(biāo)準(zhǔn)。
4) The installation of gas supply equipment shall comply with the design requirements and current relevant national standards.
5）氣源與報警閥之間應(yīng)安裝排氣閥。應(yīng)靠近報警閥。檢查次數(shù)：所有檢查。檢查方法：觀察檢查。
5) A safety vent valve shall be installed between the air source and the alarm valve. It should be close to the alarm valve. Inspection times: all inspections. Inspection method: observation inspection.
6）加速器應(yīng)安裝在報警閥附近，并應(yīng)有防止水進入加速器的措施。檢查次數(shù)：所有檢查。檢查方法；觀察檢查。
6) The accelerator shall be installed near the alarm valve, and measures shall be taken to prevent water from entering the accelerator. Inspection times: all inspections. Inspection method; Observe and check.
7）低壓預(yù)報警裝置應(yīng)安裝在配水主管的一側(cè)。檢查次數(shù)：所有檢查。檢查方法：觀察檢查。
7) The low pressure pre alarm device shall be installed on one side of the water distribution main pipe. Inspection times: all inspections. Inspection method: observation inspection.
8)
川消小編認(rèn)為壓力表應(yīng)安裝在以下部位：報警閥的充水側(cè)和充氣側(cè)；在空壓機的氣泵和儲氣罐上；在加速器上。檢查次數(shù)：所有檢查。檢查方法：觀察檢查。
8) Chuanxiao Xiaobian believes that the pressure gauge should be installed at the following parts: the water filling side and the gas filling side of the alarm valve; On the air pump and air storage tank of the air compressor; On the accelerator. Inspection times: all inspections. Inspection method: observation inspection.
9）管網(wǎng)充氣壓力應(yīng)符合設(shè)計要求。
9) The inflation pressure of the pipe network shall meet the design requirements.
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