Step 1: Collect Items and Prepare to Assemble.
-Dry gas meter box (DGM)
- Air tight Pump
- Pre-assembled Probe
-Glass filter bell
-Heated filter box
-Box of Nozzles
Step 2: Assemble Pump to DGM.
Step 3: Connect M5 Line to DGM Box.
Step 4: Connect M5 Line to the Filter Box and Probe.
Step 5: Assemble and Weigh Out Train.
Glass trunk with the following items:
-Quarter turn tube
1. Take 4 clean impingers and fill 2 with 450 grams of DI water, leave the third empty, and fill the final impinger with 450 grams of silica.
2. Weigh and record each impinger on the datasheet
3. Begin to assemble the train backwards, the fourth impinger of silica will connect to the impinger outlet, attach the impinger with the outlet with a clip.
4. Attach a u-bend to the top of the inlet, and then proceed to attach the third empty impinger outlet to the u-bend.
5. Attach another u-bend to the inlet and connect the second inpinger of water, attach a u-bend to the outlet.
6.Attach the first impinger of water to the u-bend of the previous impingers, attach a quarter turn to inlet that will attach to the filter bell.
7. Place impingers in cold bucket and attatch cold bucket to filter box.
Step 6: Assemble Filter Bell and Place in Filter Box.
-Quarter turn tube
1. Select a pre-wieghed filter.
2. There are two sides to a glass filter bell. One side of the bell has a straight side and one side has a curve. Unscrew the filter bell and open the bell. Inside the bell is a plastic frit, place the filter on the frit. Re-assemble the bell with the filter side of the frit to curved end of the glass bell, and the straight side of the bell to the opposite side of the frit. Then teflon tape around the outside of the glass and frit. Screw together the ends with the bell on the inside.
3. Attach a quarter turn to the curved end of the bell with a clip.
4. Place the filter bell inside the filter box with the straight side coming out of the filter box to the impinger train.
5. Clip the quarter turn from the impingers to the straight side of the filter bell.
Step 7: Selection of Nozzle and Attachment of Probe to Filter Box
The main factor behind the selection of the nozzle is the differential pressure or flow of the stack gas with in the flue. We use a method 2 pitot traverse.The probe is inserted into ports 90 degrees apart and a reading on the manometer is taken. This helps determine an accurate model of the flow of the gas at specified measurements with in the stack.
Based upon the results of the formula, we can select a nozzle. To attach a nozzle to the probe do as follows:
1. At the end of the probe is a 1/2' union, we can attach the nozzle with a graphite ferrule and a 1/2' nut.
2. As we attach the nozzle to the probe we want to make the opening of the nozzle is aligned with with pitot and in the correct direction of the stack gas.
3.Insert probe into filter box and close latch, be sure to have a tight fit from probe to filter without breaking the glass. Tighten all clips and locks and prepare to leak check.
Step 8: Leak Check
Continue as follows:
1. Turn on pump, be sure to have valve closed to not to contaminate the sample filter.
2. Have a friend put a gloved finger over the tip of the nozzle.
3. Open the valve and watch the dial, we want to see the dial stop moving.
4. If the dial stops, we got a good leak check. If not re-check the connections from probe backwards. All the way back to the M5 line. A leak should be detected in system.