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What are single-drum boilers and double-drum boilers?

2020-10-28 09:31    page view:

Guide: When it comes to boiler structure, we can be divided into single-drum boilers and double-drum boilers, both of which belong to water tube boilers.

  When it comes to boiler structure, we can be divided into single-drum boilers and double-drum boilers, both of which belong to water tube boilers.

  The single-drum boiler is a vertical-mounted water tube boiler. The common model is DZW. The letters mean D single-drum, Z means vertical, and W means reciprocating grate. This kind of boiler has only one drum, which is placed longitudinally in the center of the top of the boiler, and two sets of convection tubes are arranged on the left and right sides of the furnace, forming a common "people" arrangement.

  Double-drum boilers can be divided into double-drum vertical boilers and double-drum horizontal boilers. The common models are mostly expressed as SZW, and the letters represent the meaning: S refers to double drums, Z refers to vertical type (the above mentioned also has horizontal type), and W refers to reciprocating grate. The common vertical boiler structure of double-drum boilers is: the boiler body is mainly composed of upper and lower drums. The upper drum is larger in diameter and length than the lower boiler. Two boilers are arranged in parallel on a vertical plane, and the convection tube is connected to the upper and lower drums. The furnace is located on the left side of the boiler, parallel to the convection flue, forming a common "D"-shaped structure.

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