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水处理厂水力纵断面设计

沿用户定义的管道、泵、固定损失和池体边界分段跟踪水力坡线。

状态: 已上线

PROJECT · OPTIONAL

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01 · USER INPUT

Design basis and inputs

Starting HGL *m · declared hydraulic grade line or water-surface datum at the profile startStarting minimum HGL criterionm · optional user-entered minimum criterion evaluated at the starting station

Sequential profile segments

Each segment uses only the fields shown for its selected type. Minimum HGL applies at the segment’s downstream station.

Segment 1

Nameused in profile and reportsType *select the active hydraulic stepFlow *m³/s · required for this segment typeDiameter *m · required for this segment typeLength *m · required for this segment typeAbsolute roughness *m · required for this segment typeKinematic viscosity *m²/s · required for this segment typeMinor-loss coefficient sum *dimensionless · required for this segment typeReference elevationm · optional; leave blank when unavailableMinimum downstream HGL criterionm · optional; leave blank when unavailable

Segment 2

Nameused in profile and reportsType *select the active hydraulic stepPump head addition *m · required for this segment typeReference elevationm · optional; leave blank when unavailableMinimum downstream HGL criterionm · optional; leave blank when unavailable

Segment 3

Nameused in profile and reportsType *select the active hydraulic stepFixed equipment loss *m · required for this segment typeReference elevationm · optional; leave blank when unavailableMinimum downstream HGL criterionm · optional; leave blank when unavailable

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02 · CALCULATED RESULT

Results at a glance

Load or enter inputs, then calculate to create an authoritative result.

03 · REPORTING

Exports and verification

CSV contains input and output detail. PDF uses the current calculation and report metadata.

Verification suite

Calculation revision c8d867d3

65 focused fixtures: Darcy–Weisbach reference fixture, laminar and turbulent factors, minor loss, pump and equipment steps, basin boundary, downstream criteria, optional elevation, and active type-specific input validation. Tests are deterministic and run without network access.

此工程工具目前仅提供英文版本。

工程依据

方法

根据声明的管道、泵、固定损失和水池边界分段，使用 Darcy–Weisbach 及输入的局部损失构建连续水力坡线。本工具筛选 HGL，忽略速度水头变化，不计算 EGL 或 TDH。

Pipe velocity = Q/A; Reynolds number = vD/ν. Darcy factor uses f = 64/Re for laminar flow and Swamee–Jain for turbulent flow.

Major pipe loss uses Darcy–Weisbach; minor loss is ΣK·v²/(2g).

The sequential profile adds entered pump head and subtracts major, minor, and fixed equipment losses. A basin water surface is an explicit downstream HGL boundary.

Elevation is reported separately; pressure head where elevation is entered is downstream HGL minus elevation.

A segment minimum HGL criterion is evaluated once at its downstream station. The optional starting minimum HGL criterion is evaluated at the starting station.

For 2,000 < Re < 4,000, Swamee–Jain is used as a screening approximation and a transitional-flow warning is reported.

范围 / 限制

根据声明的水力参数计算管道沿程与局部损失、逐段 HGL、压力水头、用户判据和余量。
No transient surge, looped network solution, pump selection, system-wide NPSH, or open-channel gradually varied flow.
No hydraulic grade is inferred from process-unit names. Basin water surfaces and minimum HGL criteria must be declared.
A margin below a user criterion is flagged for review but is not classified as safe or unsafe.
This screening HGL profile omits changes in velocity head between segments. It adds entered pump head directly to HGL and does not calculate the total energy grade line or total dynamic head (TDH).
Freeboard and available driving head are not calculated. No US-unit conversion path is implemented; hydraulic inputs and outputs use SI units.

工程路径

上游背景

全厂工艺配置与设计工况以声明的工艺布置、流量工况和运行假设作为背景；本工具支持全厂设计，不是顺序工艺阶段。

当前工具决策

水处理厂水力纵断面设计沿用户定义的管道、泵、固定损失和池体边界分段跟踪水力坡线。

下游工程步骤

单元工艺与综合项目审查将全厂工具结果与单元工艺设计及项目审查协调；不表示存在第 07 阶段或固定工艺依赖。

工作流

市政饮用水净化将全厂工具结果与单元工艺设计及项目审查协调；不表示存在第 07 阶段或固定工艺依赖。