A condensate pump Overview:

Condensate pumps for thermal power plant condensate water transport, can also be used in other areas of the media and condensate similar. This pump has good suction performance.

100N130 and 150N110 pump can deliver liquid within 120 ℃, the other pumped liquid temperature must not exceed 80 ℃.

100N130 and 150N110 pump respectively, after the stuffing box packing gland and body at the pass into the cooling water flow can be used for water pump.

II. Parameters

Flow Range: 8 ~ 120m3 / h Head range: 38 ~ 143m

III. Model Description

Pump model is based on the size and performance preparation.

For example: 3N6 × 2 and 4N6A the meaning of

3 or 4-- suction pipe diameter in addition to 25

N-- horizontal cantilever condensate pump

6-- single stage design head was taken after 10 integer division, that is, single-stage lift of about 60 m

2-- series, indicating that the pump has two

A-- impeller after cutting (outer diameter decreases

IV. Condensate pump structure description

1, Variety

N-type condensate pump structure form horizontal cantilever single-stage, two, single-stage with inducer, a total of 10 species, single-stage there 3N6,4N6A, 100N130 and 100N160; levels have 2.5N3 × 2,3N6 × 2 and 4N6 × 2, single-stage with inducer has 6N6,150N110.

2, the support portion

Three varieties of the same part of the support structure, the main member has a bracket, front and rear bearing cap uranium and uranium in combination positioned on the front and rear bracket on uranium radial ball bearings, ball uranium Cheng Yicheng by the unbalanced force of uranium. With oil lubrication, oil can be seen from the oil standard. Front and rear bearing cover are equipped with blankets uranium as uranium ring seal to prevent leakage. Hole plugs at the used oil filling. The oil discharged from the wire hole cleaning oil change.

3, sealing and drive

Soft packing seal pump, equipped with a replaceable sleeve of uranium in uranium seal place.

Uranium is linked by an elastic pump driven by a motor, the transmission direction, the pump is rotated counterclockwise.

4, working part

Single-stage: The main piece of brass 80-3 cast impeller keyed on uranium from the 45 high-quality carbon steel and cast iron impeller mounted HT20-40 have cast pump, pump cover pump working chamber constituted, power machine driven by linking uranium is uranium-bearing support in the uranium and the impeller, the pump will work, cast iron HT20-40 uranium sets, the bushing made (refer to 6N6 and 4N6 × 2) between uranium has a water lubricated bearing role, stuffing and have built-in pump off after packing rings and graphite packing oil asbestos rope packing gland opening, with the longer studs compression packing, and can adjust the tightness, the external the introduction of high atmospheric pressure seal water day, ring in the stuffing box is formed over the entire absence of air intrusion sealed chamber inside the pump through the takeover aligned filler, while the female to stop the outflow of the water pump, only a small amount of lubricating drops out. Opened on the impeller balance hole. The high-pressure area to communicate with the low pressure region thereby eliminating import uranium thrust, in order to prevent wear pump body and cover, easy to repair, to achieve a good seal in the pump body, pump cover with sealing ring, screw holes with the upper portion of the pump discharge as for gas, when shut down for maintenance, pump water discharged from the wire hole, in order to facilitate the body and the lid catch? 7 with screws from the cover, both exports and imports with the pressure taps.

Two levels: single-stage and in the same period, only the pump, pump cover and intermediate guide vanes form two studios, two-room equipped with silicon brass 80-3 corresponding to the first-stage impeller and cast iron HTA20-40CUMO impeller made.

Single-stage with inducer (books): single-stage and the rest of the same material as aluminum and iron bronze impeller only 9-4 before adding a ferric bronze impeller 9-4 inducer made to improve the cavitation performance