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德國Palas HMT 1000 P油霧分離器檢測系統

該儀器為快速、準確測定油霧分離器的分離效率而設計,在世界各地有很多的工廠在使用HMT-1000測試系統。系統特點:所有組件均可在高于120°C環境下工作;可模擬實際環境進行等溫測量;可測量對不同油滴分級效率;可測量最大容油負荷及壓降;同傳統的重量測量法相關性好.

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標準配置:可加熱液滴發生器 (PLG-2100);可加熱氣溶膠稀釋器 (KHG-2010) 兩級串聯至100倍稀釋比;可加熱氣溶膠粒徑譜儀 (Welas?-1000 或 Welas?-3000);電暈靜電中和器 (CD-2000);可加熱密封艙及溫度控制器單元;基于Window的系統自動控制軟件

The quality control and development of separators should be preferably accomplished under practice-relevant test conditions. Oil separators must therefore be tested under the application conditions at high temperatures up to 120 °C and depending on its application field at high pressures. 


As special feature the HMT 1000 P version of the test rig offers the control of upstream absolute pressure to ± 200 mbar at the entrance of the test room or test filters.


With the modular testing system HMT 1000  P oil separators can, e. g. for the separation of blow-by aerosols in combustion engines or for the separation of oil vapour behind compressors, be characterized fast and exactly and above all be tested isothermally up to 120°C in step with actual practice:

 Fractional separation efficiency

 Loading time/Lifetime

 Total separation efficiency/gravimetry

 Pressure drop

The single components of the test rig like the high-resoluting heatable light-scattering spectrometer welas? digital 1000 H, the heatable dilution systems KHG 10 D and the heatable aerosol generator PLG 2100 can be simply removed from the HMT 1000 and used for other applications, e. g. measurements directly on the engine.


For many years numerous companies worldwide have benefited from the advantages of the heatable and pressure-resistant Palas? test components for the isothermal and isobaric particle size and particle quantity measurement of oil mists.


Palas? HMT 1000 filter test rigs have been used with great success in the international industry since 2001.


Quality in detail


The heart core of the HMT 1000 P is the light-scattering spectrometer welas? digital 1000, which measures the particle size and particle number and thus the concentration simultaneously but independent from each other. With the welas? digital 1000 it can be measured extremely fast, clearly, reproducibly and isothermally (see data sheet welas? digital).


welas? digital 1000



Fig. 1: welas? digital 1000


Advantage of the optical particle measurement compared to the absolute gravimetric measurement:


The usual gravimetric quantity determination is often not fast and sensitive enough and provides no information about the particle size distribution.

Due to the extremely good correlation between number distribution measurement and gravimetry a fast and mass-relevant test of the oil separators is guaranteed. 

The determination of the clean gas concentration is possible within 1 minute by means of the welas? digital system.


Why isothermal measurement?


Depending on the temperature of the engine the particle sizes and concentrations change in the oil mist. Thus, oil separators must be tested at different temperatures, i. e. with different particle sizes (up to approx. 5-8 μm) and particle concentrations (approx. 105 particles/cm3  up to 107 particles/cm3) as well as different volume flows in order to characterize them clearly regarding its separation behaviour.


Modifications of the characteristics of the separator which are caused by e. g. the change of the volume flow, the temperature, the loading of the filter etc. must be clearly determined by a reliable online measurement or an in-situ measurement. 


In order to prevent condensation effects but also evaporation effects, the complete aerosol guidance with the HMT 1000 P including preparation, sampling and measuring volume is heatable up to 120 °C. Thus, an isothermal fractional separation efficiency determination is guaranteed. 


Why regulation of ± 200 mbar?


Depending on the structure of the oil separator an over pressure or under pressure developes at the entrance of the filter. Because of the control of ± 200 mbar at the entrance of the test device oil mist separators can be tested under the same conditions as in practice.


Isothermal in-situ measurement, e. g. at the engine


The testing system HMT 1000 is built up movably and modularly. Thus, the single components can be used also for other tests and particle measurements, e. g. in-situ measurements at the engine. 


Insitu Messtechnik.JPG



Fig. 2: Isothermal sampling of particles and in-situ measurement 


Automatic detection of the measuring data with the Palas? FTControl software


The practice-proven software allows an almost fully-automated characterization of oil separators. Thus, a result is independent of the user of the test rig (see data sheet FTControl).


Test rig control:


Automated control of the volume flow

Automated switch on of the aerosol generator

Automatic switch between upstream/downstream measuring point

Automatic temperature control

Evaluation and registration of measuring signals as e. g. Δp, rel. humidity, temperature, volume flow, absolute pressure etc.

Automatic measuring process:


 Automatic evaluation of the pressure loss curve

 Automatic measurement of the fractional separation efficiency

 Automatic evaluation of the pressure loss curve at different loading conditions incl.  measurement of the fractional separation efficiency

Vergleich von unterschiedlichen ?labscheidern


Measurement range (size) 0.18 – 40 μm

Volume flow                1 – 25 Nm3/h, 1 – 85 Nm3/h (others on request)

Power supply                Three phase connection (400/230 V; 16 A), Power input: approx. 8 KW

Dimensions                Approx. 1780 ? 2240 ? 800 mm (H ? W ? D)

Differential pressure measurement 0 – 3000 Pa (others on request)

Aerosol concentrations        up to 107 particles/cm3 with 2 KHG 10 D

Compressed air supply        6 - 8 barg

Pressure                -0,2 – 0,2 barg relative

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維修流程

  • 1、技術溝通,初步判斷問題電話,與客戶進行初步溝通、了解并初步判斷儀器所出現的故障問題。
  • 2、簽訂維修協議由我公司向客戶發送儀器維修協議,客戶需如實填寫內容并回傳以便我司對儀器做進一步判斷。
  • 3、客戶郵寄儀器客戶可按照我司地址郵寄儀器,并將快遞單拍照發送至您的專屬客服進行備案。
  • 4、詳細診斷機器故障我司收到郵寄儀器后會對郵寄的儀器進行拍照并開箱檢驗,對儀器做進一步故障判斷。
  • 5、支付維修費用如客戶儀器在保修期內,我司不收取任何維修費,如客戶儀器在保修期外,我司會適當收取維修費。
  • 6、郵寄儀器給客戶我司將維修好的儀器按客戶地址進行拍照并郵寄,自此雖維修協議終止,但我司將提供終身免費答疑及技術指導。
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粒子計數器校準裝置 更多型號請咨詢客服[email protected]

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