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Skov Farm AirClean Technical User Manual

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Farm AirClean • BIO Flex
Technical User Guide
English: For other language variants of this document we refer to:
Español: Para otras variantes del idioma de este documento, visite:
Français: Pour les versions dans d'autres langues de ce document veuillez consulter:
2018.04.09 • 611151
http://docs.skov.com/1144
Software version 6.3
• 2015.05.08

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Summary of Contents for Skov Farm AirClean

  • Page 1 Farm AirClean • BIO Flex Technical User Guide English: For other language variants of this document we refer to: Español: Para otras variantes del idioma de este documento, visite: Français: Pour les versions dans d'autres langues de ce document veuillez consulter: http://docs.skov.com/1144...
  • Page 2 It was released in 2017. Product and Documentation Revision SKOV A/S reserve the right to change this document and the product herein described without further notice. In case of doubt, please contact SKOV A/S. Date of change appears from the back of this manual.

  • Page 3: Table Of Contents

    Conductivity Sensor, Temperature Sensor and pH Sensor ............ 27 3.3.3.3 Differential pressure sensor ....................27 3.3.3.4 Water supply and water meter ....................28 3.3.3.5 Drainage and the water meter ....................28 3.3.4 Pumps in general ........................28 Farm AirClean • BIO Flex...
  • Page 4 4.11.6.1 BIO Flex with pH- measurement ................... 44 Service Guide Error Tracing in the Environmental Impact ..........45 Setting of Air Cleaning Computer ............45 5.2.1 Compact Flash Card ......................47 5.2.1.1 Save Logs ..........................47 Farm AirClean • BIO Flex...
  • Page 5 5.5.3.1 Factory settings on the pH transmitter HC301 ............... 59 5.5.4 Filter Washer ........................59 Technical Data Enclosures Starting up a BIO Flex Installation ............62 Starting up a BIO Flex Installation (copy) ..........63 Farm AirClean • BIO Flex...

  • Page 6: Introduction

    Service Guide is intended for professional service engineers. SKOV A/S would like to congratulate you on your choice of your new biological air cleaning system 1.1 Personal Safety Measures In order to avoid damage to person and material, it is important that all operators are instructed in correct use of the installation.

  • Page 7: Signage

    Place this sign on the door to room B where the filter washer is in operation. 2 Product Description BIO Flex air cleaning system from SKOV A/S cleans the outgoing air from the livestock house of ammonia, odour and dust. BIO Flex is well suited for large air cleaning systems in connection with central channel and wall exhaustion.

  • Page 8: 2-Filter

    Technical User Guide 2.1 2-Filter Room B Room D Room A Vessel 2 Vessel 1 Technical Room Figure 1: Simplified sketch Farm AirClean • BIO Flex...
  • Page 9 This is registered in the air cleaning computer. If a set value is exceeded, an alarm/stop is triggered. Operating status, e.g. alarm, is shown on the main menu of the air cleaning computer. The mechanically, manually operated valves are intended for routine rinsing of the Trickling pipes. Farm AirClean • BIO Flex...

  • Page 10: Air Cleaning Computer

    Selection of Language The default setting of the DOL 356 computer is English display texts. When you want to change Technical User setup Language language, open the menu Select book icon and Press and select press language Farm AirClean • BIO Flex...

  • Page 11: Survey

    , it means water drainage/water supply disconnected. An example of disconnected water supply after the alarm: Leakage. Water inlet is marked in the main menu. Acknowledge the alarm to reactivate the water supply. The water supply has now again been re-established. Farm AirClean • BIO Flex...

  • Page 12: Menu Survey

    Technical User Guide 2.2.3 Menu Survey 2.2.3.1 Service Info Current operational data on selected sensor. Summary of water supply and drainage 2.2.3.2 Operation Farm AirClean • BIO Flex...

  • Page 13: Alarm

    Max. pressure drop over the filter at an output of 100%. Max. air flow through the filter at an output of 100%. Alarm leakage, only active if the air quantity sensor is installed. Possible to enable/disable the alarm. Farm AirClean • BIO Flex...
  • Page 14 : If this field is ticked off, it means that an alarm ceases, if the error ceases. The alarm limits are not to be changed without the acceptance of SKOV service. Alarm test Testing the alarm function. Farm AirClean • BIO Flex...
  • Page 15 Technical User Guide 2.2.3.3.2 Alarm limits Changes of alarm limits should not be carried out without the acceptance of SKOV A/S. Alarm type Remarks Alarm high water level 20-40 Water level Depend on desired normal water level 15 - 35cm.
  • Page 16 Water in the vessel Error on pH Sensor Sensor B5 Water in the vessel pH high Error on pH Sensor Contact Service if the value is exceeded for more than one week. Farm AirClean • BIO Flex...

  • Page 17: Technical

    Technical User Guide 2.2.4 Technical Farm AirClean • BIO Flex...

  • Page 18: Data Logging In Farmonline Weblink

    FarmOnline WebLink. Data is logged every two minutes and is stored for up to five years. To reach the data, please contact SKOV A/S. The following data can be collected in FarmOnline WebLink: • •...

  • Page 19: Maintenance Instructions

    Check filter washer – adjust and replace wearing parts if necessary Check trickling – assess frequency and adjust if necessary Check water meters – data collection in DOL 356 – clean if necessary Check solenoid valve and clean if necessary Documentation for authorities Farm AirClean • BIO Flex...

  • Page 20: Weekly Inspection And Maintenance

    The environmental effect of the filter is reduced if the trickling of the filter is insufficient. Dry, inactive zones/stripes may arise on the filter and the amount of drained water may be increased. Farm AirClean • BIO Flex...

  • Page 21: Check Of Trickling

    Check whether there is any sludge on the top of the filters. – wash away if necessary. See section 3.4. • Check whether there is any sludge in the process water and vessels - – replace if necessary and clean vessel. See section 3.3.2.1. Farm AirClean • BIO Flex...

  • Page 22: Pressure Loss And Biofilm On The Filters

    1 is about to start. A high pressure loss can also be due to an excessive amount of dust on the air distribution plate. Farm AirClean • BIO Flex...

  • Page 23: Supplementary Visual Evaluation Of The Amount Of Biofilm

    Large areas of the filter are film - either because of too almost completely clogged. It much sludge in the water, is no longer possible to and error or too long transilluminate the channels. intervals between each wash. Farm AirClean • BIO Flex...

  • Page 24: If The Bio Film And Pressure Loss Is Unsatisfactory

    3.2.3 Logbook A logbook is included with the BIO Flex system. Inspection, maintenance and servicing must be documented in the logbook. Farm AirClean • BIO Flex...

  • Page 25: Periodic Inspection And Maintenance, At Least Every Month

    Change the water in the vessel, if there is too much sludge in the water to obtain an efficient water pressure needed for washing the biofilm off the filters. See paragraph 3.3.2.1. Check and clean if necessary the sieve on the pumps. See paragraph 4.9.1 Filter Wash Settings. Farm AirClean • BIO Flex...

  • Page 26: Vessel And Process Water

    6. Trickling and drainage are activated when the vessel is filled with water. 7. Restart the ventilation. Note! DOL 356 does not register the water quantity when the vessel is drained by means of a drain pipe. Farm AirClean • BIO Flex...

  • Page 27: Regulation Components

    (condensation). Check that no condensation or other foreign matter has accumulated in the hoses as this may have an impact on function. The differential pressure sensor can be calibrated. Farm AirClean • BIO Flex...

  • Page 28: Water Supply And Water Meter

    Drainage and the water meter Check and clean if necessary the sieve on the pumps. Check that the water meter counts when it is drained. 3.3.4 Pumps in general Check and clean if necessary the sieve on the pumps. Farm AirClean • BIO Flex...

  • Page 29: Manual Wash Down Of Filters

    Sprinkling pump, if any, pump on the washing robot, drainage pump or a pump purchased for the purpose. Below is the washing procedure of manual wash down of filters when you cannot switch off the ventilation. Farm AirClean • BIO Flex...
  • Page 30 2. Move the filter washer to one of the pump wells. Pull the hose of the wash kit underneath the filter wall to the front side of the filters. Farm AirClean • BIO Flex...
  • Page 31 5. Wash the top of the filter. 6. Clean the front side of the filter from the top and downwards with a water jet following the channel slope of the filter. Farm AirClean • BIO Flex...
  • Page 32 See section 3.3.2.1. 10. Let the ventilation system run at maximum output. 11. Check the obtained pressure through the filters. Repeat the procedure for wash down until the obtained pressure loss has reached a satisfactory level. Farm AirClean • BIO Flex...
  • Page 33 OFF Technical/Service/Manual/Drainage/ Manual OFF Technical/Service/Manual/Washer 1 /Manual OFF If possible Technical/Service/Manual/Sprinkling /Manual OFF 13. Check that all components of DOL 356 have been reset to Automatic. 14. Check the trickling function. See section 3.2.1. Farm AirClean • BIO Flex...

  • Page 34: Cleaning Air Distribution Plate

    3.5 Cleaning Air Distribution Plate Clean the air distribution plate contemporary with manual wash down of filters in order to reduce pressure loss through the air cleaner. Use the SKOV kit for manual washing and keep a distance of min. 20 cm. 3.5.1...

  • Page 35: Frost Protection

    In case of chemical cleaning of the livestock house, the ventilation through the air cleaner should be disconnected. The air cleaner must remain operative in order to avoid drying-out. 3.7.1 Empty House The air cleaner must remain operative in order to avoid drying-out Farm AirClean • BIO Flex...

  • Page 36: Functional Description Main Switch

    A startup addition is added to the conductivity setpoint in vessel 2 (3 mS/cm + 5.0 mS/cm). Startup period 30 days Phase-out period until the conductivity setpoint has returned to 3 mS/cm. Alarm inactive Alarm for high/low conductivity and low/high pH alarm are inactive as default. Farm AirClean • BIO Flex...

  • Page 37: Water

    The water meter records the quantity of water by means of one pulse/2.5 litres. When using another kind of water meter, the quantity of water has to be adjusted. When replacing a water meter, the standard filter on the inlet side must be removed. Farm AirClean • BIO Flex...

  • Page 38: Water Supply

    00:00 to 23:30. Water is pumped out during a period from 23:30 to 24:00 in three intervals. DOL 356 initiates automatic drainage, if the set volume of minimum drainage has not been reached. Farm AirClean • BIO Flex...

  • Page 39: Trickling

    An actuator (M46) on the washing carriage moves the slide with the nozzles up and down in a vertical motion. An inductive sensor on each side of the washing carriage works as an automatic end stop. Farm AirClean • BIO Flex...

  • Page 40: Filter Wash Settings

    The air distribution plate distributes the air over filter 1 and ensures optimum distribution of air over the entire filter surface. Furthermore, it reduces the amount of dust on the filters. Farm AirClean • BIO Flex...

  • Page 41: Sensors

    4.11.3 Temperature Sensors DOL 12 temperature sensors measure the water temperature in vessel 2 and the air temperature in the compartments before filter 1 and after filter 2. The measurements are used for log data. Farm AirClean • BIO Flex...

  • Page 42: Differential Pressure Sensor

    The ammonia load should be interpreted as kg-NH3-N/ m2 filter area/day Farm AirClean • BIO Flex...
  • Page 43 Ammonia emission and the environmental consequences will typically be a quantity problem which is assessed based on the total ammonia emission on an annual basis. Normally, very low pH values (pH < 2.0) are not to be anticipated. Farm AirClean • BIO Flex...

  • Page 44: Bio Flex With Ph- Measurement

    DOL 356 gives alarm. pH > 8.5 Contact Service if the value is exceeded for more than one week. Be aware of regional or national standards as regards the pH value in the air cleaner. Farm AirClean • BIO Flex...

  • Page 45: Service Guide

    Installation Select the functions to be used by the air cleaner. Show connections Shows the connection terminals of the various components. Farm AirClean • BIO Flex...
  • Page 46 You can limit the operation access by means of passwords. In order to gain access to changing a setting, you must first enter a valid password. The default password is: 1111. SKOV A/S recommend to change the default password and subsequently change the password on a regular basis. Service info Provides detailed technical information to be used in connection with service.

  • Page 47: Compact Flash Card

    2) Lift out the front panel. 3) Remove the CF card placed on the back of the CPU (front panel). 4) Insert the new CF card. 5) Tighten the screws on the front panel again. Rename. Press OK Farm AirClean • BIO Flex...

  • Page 48: Setting Technical Parameters

    Minimum drainage is controlled by the evaporation in the system. Factory settings should not be changed. Settings for sprinkling are crucial as regards the biological processes in the filters. They should not be changed without previous agreement with SKOV A/S. Factory settings should not be changed.
  • Page 49 When using another kind of sensor, the settings have to be adjusted accordingly. Setting the air amount sensor Set the exact projected house data for max. and min. amount of air in m /hour at start-up. The air amount signal comes from the house computer. Farm AirClean • BIO Flex...

  • Page 50: Start-Up Test

    High water level. After 4 min. DOL 356 generates an alarm. k. Check if DOL 356 shows the same value for conductivity as the transmitter does. (The display of the transmitter should not flash; if it does, there is a faulty connection). Farm AirClean • BIO Flex...

  • Page 51: Service Check - Every Four Months

    Assess the quality of the process water – replace and clean if necessary. Hydrostat Measure the water level and check Hydrostat.. Conductivity sensor Clean and calibrate the sensor once a year. pH sensor Clean, check for function and calibrate the sensor. Farm AirClean • BIO Flex...
  • Page 52 Water meter Check that the water meter is operative and that there is no dirt. Water supply Clean the dirt filter. Check the function of the solenoid valve and clean if necessary. Farm AirClean • BIO Flex...

  • Page 53: Calibration

    4.2. Press Up / Down until 12.88 mS/cm is displayed on DOL 356. Note that the DOL 356 display only updates every 5-10 seconds. 12.88 4.3. Press Mode until mS lights up on HC303. 4.4. The calibration is completed. 4.5. Return the conductivity sensor to the vessel Farm AirClean • BIO Flex...

  • Page 54: Factory Settings Of The Conductivity Transmitter Hc303

    Not inv / inv n,in Energy saving Energy save mode On / Off Baud rate MODbus baud rate 9.6 / 19.2 19.2 Measuring Measuring range of the range device Cell constant Cell constant of the sensor Farm AirClean • BIO Flex...

  • Page 55: Differential Pressure Sensor

    2.5. The output signalmust now be in the 0 - 10 V measuring range. area with lower pressure 2.6. If the sensor works, reconnect the pressure hoses and check these Plus if necessary. Connection in area with higher pressure Farm AirClean • BIO Flex...

  • Page 56: Ph Sensor

    1.6. It is okay to wad up the bag a little, but the tip of the sensor and the reference point must be covered by liquid 1.7. Compare the measured value of DOL 356 with the pH value in the calibration fluid. Make a note of any deviation in the service report. Farm AirClean • BIO Flex...
  • Page 57 2.4. Press Mode and press Down until P00 is displayed. 2.5. Press Mode until pH lights up. Display på DOL 356 3. Indication of pH on DOL 356 3.1. Select in the DOL 356 menu: Main menu/Technical/Service Info/Status/ pH 2...pH. Farm AirClean • BIO Flex...
  • Page 58 If the keyboard lock is OFF (open). See section above. Switches back to ON (locked), after a few minutes. • The Buffer lamp must be on while you conduct 7.00 calibration. • The Slope lamp must be on while you conduct 4.01 calibration. Farm AirClean • BIO Flex...

  • Page 59: Factory Settings On The Ph Transmitter Hc301

    After a wash alarm, it may be necessary to calibrate the washer in the Service Manual Washer Reset run time menu: Not until the washer has completed the first wash, the run times will be adjusted by DOL 356. Farm AirClean • BIO Flex...

  • Page 60: Technical Data

    Ambient temperature, operation -12 to +40 °C (+10.4 to 104 °F) Ambient temperature, storage -40 to +65 °C (-40 to +149 °F) Ambient humidity, operation 0-95 % RH Max. ammonia concentration in 30 ppm the air before cleaning Farm AirClean • BIO Flex...
  • Page 61 0-80% RH Protection class* Splash proof IP 54 *It is assumed that the base is level, i.e. ≤ 1.5mm difference of height and that the screws of the cover are tightened with min. 1.5 Nm. Farm AirClean • BIO Flex...

  • Page 62: Enclosures

    Underneath the fan: Type: Quantity: Stepless m MS m Starting up FOWL: Has the customer been introduced to the logbook and trained in the use of the installation: Date of start-up: Customer signature: Service technician signature: Remarks: Farm AirClean • BIO Flex...

  • Page 63: Starting Up A Bio Flex Installation (Copy)

    Underneath the fan: Type: Quantity: Stepless m MS m Starting up FOWL: Has the customer been introduced to the logbook and trained in the use of the installation: Date of start-up: Customer signature: Service technician signature: Remarks: Farm AirClean • BIO Flex...
  • Page 64 SKOV A/S • Hedelund 4 • Glyngøre • DK-7870 Roslev Tlf. +45 72 17 55 55 • Fax +45 72 17 59 59 • www.skov.com • E-mail: skov@skov.dk...

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