Denitration chemical pump installation should know knowledge

Industry in China the largest source of nitrogen oxide emissions, coal, iron ore industry to realize the denitration ultra-low emissions will be the focus of the atmospheric governance direction. And denitration chemical pump is not missing in the denitration control system equipment, if the denitration pump installed wrong leads to water pump can't work normally, then we will look at denitration chemical pump when installation should know what kind of knowledge.

one, basic choose

denitration chemical pump before installation should review the levels of elevation and bolt hole size, location, location, meets the design requirements. Water water pump installation shall be carried out after the concrete strength to meet the design requirements.

2, water pump body installation

1) Anchor bolt setting, the bottom should not touch the bottom of the hole, the anchor bolt should be greater than 15 mm from the hole, bolt should be kept vertical, the verticality deviation should not be more than 10/1000.

       2） Leveling of denitration chemical pump should be based on the place such as horizontal machining surface of base, with a level measurement, the levelness of the pump body deviations should not exceed 0 per meter. 1mm。 3) With level, dial indicator or feeler measurement and calibration, keep the axis of the pump and motor axis coaxial degree, its axial tilt shall not exceed 0 per meter. 2 mm, radial displacement shall not exceed 0. 5 mm4) Water pump to find balance found when the pump is rough can take shim adjust the height.

       3） Denitration chemical pump out both ends of each pump should be equipped with drain and pressure tapping, in and out of the nozzle flange shall be provided for pipe connection.

3, power supply connection

(1) the size of the power supply cord shall conform to the requirements of the electricity

(2) the need to install the electric leakage protection

3. 220 v and 380 v should pay attention to the power cord plus or minus, avoid reverse

(4) leakage protection

4, debugging, running

denitration chemical pump commissioning, continuous operation under the design load should not be less than 2 h, and meet the following requirements:

1, there should be no abnormal vibration and noise during operation, the seal shall not be leakage, loose fastening parts should not be added.

, the current and power of the motor should not exceed 2 rating;

5, denitration chemical pump water pump maintenance

1: a line near the pump mounting bracket and the pump shell has no weight on the attachment.

2: when the pump after use to put the water in the water pump is clean, it is best to put the pipe unloaded and then rinse. Six,

note:

1 denitration pump mounted at the bottom of the cushioning, soft water pump in and out of the pipe connection.

2: control box note waterproof

3: water must add filters, add door before and after water pump

4: in and out of the water pipe should be sealed measures to avoid leaking.

5: water pump in outdoor should take protective measures.

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