冷庫作為食品、醫(yī)藥等行業(yè)溫控存儲的核心設(shè)施，其保溫卷簾門的選擇直接影響能耗效率與運營成本。從材質(zhì)特性到智能化功能，每個參數(shù)都需結(jié)合實際工況科學(xué)評估。本文將從角度，為冷庫管理者提供系統(tǒng)的挑選建議。

　　As the core facility for temperature controlled storage in industries such as food and medicine, the selection of insulated rolling shutter doors in cold storage directly affects energy efficiency and operating costs. From material properties to intelligent functions, each parameter needs to be scientifically evaluated based on actual working conditions. This article will provide systematic selection suggestions for cold storage managers from a professional perspective.

　　一、核心材質(zhì)與保溫性能

　　1、 Core materials and insulation performance

　　面板材質(zhì)選擇

　　Panel material selection

　　雙面彩鋼板：基板厚度需≥0.4mm，表面涂層應(yīng)采用食品級環(huán)氧樹脂，耐鹽霧試驗需達(dá)1000小時以上。

　　Double sided color steel plate: The substrate thickness should be ≥ 0.4mm, the surface coating should use food grade epoxy resin, and the salt spray resistance test should be over 1000 hours.

　　不銹鋼板：優(yōu)先選用304或316L材質(zhì)，耐腐蝕性能較普通鋼板提升3-5倍，適用于高濕度或沿海環(huán)境。

　　Stainless steel plate: 304 or 316L materials are preferred, with corrosion resistance 3-5 times higher than ordinary steel plates, suitable for high humidity or coastal environments.

　　鋁合金型材：需采用斷橋結(jié)構(gòu)設(shè)計，熱傳導(dǎo)系數(shù)≤2.5W/(m·K)，確保門體整體保溫性。

　　Aluminum alloy profiles: It is necessary to adopt a broken bridge structure design with a thermal conductivity coefficient of ≤ 2.5W/(m · K) to ensure the overall insulation of the door body.

　　芯材性能指標(biāo)

　　Core material performance indicators

　　聚氨酯（PU）：密度需≥40kg/m3，閉孔率＞90%，導(dǎo)熱系數(shù)≤0.022W/(m·K)，需提供第三方檢測報告。

　　Polyurethane (PU): Density must be ≥ 40kg/m3 If the closed cell rate is greater than 90% and the thermal conductivity is ≤ 0.022W/(m · K), a third-party testing report is required.

　　聚苯乙烯（EPS）：僅適用于低溫庫（-18℃以上），壓縮強(qiáng)度需≥100kPa，防火等級達(dá)B1級。

　　Polystyrene (EPS): Only suitable for low-temperature storage (above -18 ℃), with a compressive strength of ≥ 100kPa and a fire rating of B1.

　　真空絕熱板（VIP）：適用于超低溫庫，導(dǎo)熱系數(shù)≤0.004W/(m·K)，但需配套專用門框結(jié)構(gòu)防止穿刺。

　　Vacuum insulation board (VIP): suitable for ultra-low temperature storage, with a thermal conductivity of ≤ 0.004W/(m · K), but requires a dedicated door frame structure to prevent punctures.

　　二、密封系統(tǒng)關(guān)鍵參數(shù)

　　2、 Key parameters of the sealing system

　　三道密封設(shè)計

　　Three seal design

　　底部密封：采用雙層耐磨橡膠條，壓縮變形量需≥3mm，確保與地面完全貼合。

　　Bottom sealing: Using double-layer wear-resistant rubber strips, the compression deformation should be ≥ 3mm to ensure complete adhesion with the ground.

　　側(cè)邊密封：配備抗低溫硅膠毛刷，密度≥8000根/米，-40℃環(huán)境下仍保持彈性。

　　Side sealing: equipped with low-temperature resistant silicone brushes, with a density of ≥ 8000 roots/meter, and can maintain elasticity even in -40 ℃ environment.

　　頂部密封：設(shè)置自動升降密封氣囊，充氣壓力0.2-0.3MPa，填補門體與建筑結(jié)構(gòu)間隙。

　　Top sealing: Install automatic lifting sealed airbags with an inflation pressure of 0.2-0.3MPa to fill the gap between the door and the building structure.

　　實際檢測時，庫內(nèi)外壓差需保持在50Pa，持續(xù)10分鐘壓降不超過10Pa。

　　During actual testing, the pressure difference inside and outside the warehouse should be maintained at 50Pa, and the pressure drop should not exceed 10Pa for 10 minutes.

　　三、動力與控制系統(tǒng)

　　3、 Power and Control System

　　電機(jī)選型原則

　　Principles for motor selection

　　低溫環(huán)境需選用專用防凍電機(jī)，防護(hù)等級IP65，絕緣等級F級，確保-30℃環(huán)境下正常啟動。

　　Special anti freezing motors with a protection level of IP65 and insulation level of F should be selected for low-temperature environments to ensure normal start-up at -30 ℃.

　　門體面積＞20㎡時，需配置雙電機(jī)驅(qū)動系統(tǒng)，同步誤差控制在±2mm以內(nèi)。

　　When the door area is greater than 20 square meters, a dual motor drive system should be configured with synchronization error controlled within ± 2mm.

　　智能控制功能

　　Intelligent control function

　　變頻控制：實現(xiàn)0.1-0.5m/s無級調(diào)速，降低啟停沖擊，延長設(shè)備壽命。

　　Variable frequency control: achieve stepless speed regulation of 0.1-0.5m/s, reduce start stop impact, and extend equipment life.

　　紅外防撞：設(shè)置三級防護(hù)區(qū)域，近防護(hù)距離≤50mm，響應(yīng)時間＜50ms。

　　Infrared collision avoidance: Set up a three-level protection zone, with the nearest protection distance ≤ 50mm and response time ＜ 50ms.

　　遠(yuǎn)程監(jiān)控：支持Modbus TCP協(xié)議，可接入冷庫管理系統(tǒng)，實時顯示門體狀態(tài)與故障代碼。

　　Remote monitoring: Supports Modbus TCP protocol, can be connected to cold storage management system, real-time display of door status and fault codes.

　　四、防護(hù)體系

　　4、 Security protection system

　　機(jī)械裝置

　　Mechanical safety device

　　配備鋼絲繩斷裂保護(hù)裝置，額定載荷下系數(shù)≥5。

　　Equipped with wire rope fracture protection device, with a safety factor of ≥ 5 under rated load.

　　設(shè)置扭簧防斷裝置，采用雙螺母鎖定結(jié)構(gòu)，防止門體意外墜落。

　　Install a torsion spring anti breakage device and adopt a double nut locking structure to prevent the door from accidentally falling.

　　應(yīng)急處理方案

　　Emergency response plan

　　手動釋放裝置需在離地1.5米高度設(shè)置，操作力≤50N。

　　The manual release device needs to be set at a height of 1.5 meters above the ground, with an operating force of ≤ 50N.

　　備用電源系統(tǒng)需支持滿載運行≥24小時，電池容量實時監(jiān)測并預(yù)警。

　　The backup power system needs to support full load operation for ≥ 24 hours, with real-time monitoring and warning of battery capacity.

　　五、特殊工況適配方案

　　5、 Special working condition adaptation plan

　　高頻使用場景

　　High frequency usage scenarios

　　日開關(guān)次數(shù)＞50次時，需選用工業(yè)級門體，鉸鏈軸承采用自潤滑尼龍材質(zhì)，壽命達(dá)100萬次以上。

　　When the daily opening and closing times are greater than 50 times, industrial grade door bodies should be selected, and self-lubricating nylon materials should be used for hinge bearings with a lifespan of over 1 million times.

　　軌道需進(jìn)行硬化處理，表面硬度≥HRC55，摩擦系數(shù)≤0.15。

　　The track needs to undergo hardening treatment, with a surface hardness of ≥ HRC55 and a friction coefficient of ≤ 0.15.

　　防結(jié)露設(shè)計

　　Anti condensation design

　　在門體內(nèi)部設(shè)置電加熱膜，功率密度50-80W/㎡，表面溫度高于露點溫度3-5℃。

　　Install an electric heating film inside the door with a power density of 50-80W/㎡ and a surface temperature 3-5 ℃ higher than the dew point temperature.

　　配備濕度傳感器，當(dāng)相對濕度＞75%時自動啟動加熱功能。

　　Equipped with a humidity sensor, the heating function is automatically activated when the relative humidity exceeds 75%.

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