---
title: "Water Collection Sump"
industry: "Chemical Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:WATER_COLLECTION_SUMP"
  data_integrity_hash: "f5cc1c1d7aec86dd0c78ba4c177714ff"
  source_authority: "https://cnfx.com"
  strict_mode: true
source_identity:
  provider: "CNFX Industrial Knowledge Graph"
  index_version: "2026.Q1-Universal"
  authority_id: "URN:CNFX:ME:WATER_COLLECTION_SUMP"
  data_source_uri: "https://cnfx.com/llms/industry/chemical-manufacturing/product/water-collection-sump.md"
  official_resource_url: "https://cnfx.com/industry/chemical-manufacturing/product/water-collection-sump"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0-2.5 bar gauge pressure, 5-95°C temperature, 0-100 m³/h flow rate"
    unit: "m³"
engineering_limits:
  max_safe_operating_point:
    value: 3.8
    unit: "bar"
    consequence: "Hydrostatic pressure exceeding yield strength of ASTM A36 carbon steel (250 MPa), thermal expansion differential stress at ΔT&gt;75K, vortex-induced cavitation at NPSHa&lt;3m"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Corrosion-induced wall thinning below 6mm minimum thickness"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "316L stainless steel cladding with 3mm corrosion allowance, cathodic protection at -850mV vs Cu/CuSO4"
  - node_2:
      trigger: "Sediment accumulation exceeding 40% basin volume"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "45° sloped basin floor with dual vortex-breaker baffles, automated desludging at 30% level threshold"
bom_nodes:
  sump-shellbody:
    type: "component"
    urn: "URN:CNFX:ME:SUMP_SHELLBODY"
    interface_type: "physical-logic-coupled"
  inlet-distributordeflector:
    type: "component"
    urn: "URN:CNFX:ME:INLET_DISTRIBUTORDEFLECTOR"
    interface_type: "physical-logic-coupled"
  outlet-nozzleconnection:
    type: "component"
    urn: "URN:CNFX:ME:OUTLET_NOZZLECONNECTION"
    interface_type: "physical-logic-coupled"
  overflow-weir-or-nozzle:
    type: "part"
    urn: "URN:CNFX:ME:OVERFLOW_WEIR_OR_NOZZLE"
    interface_type: "physical-logic-coupled"
  drain-valve:
    type: "part"
    urn: "URN:CNFX:ME:DRAIN_VALVE"
    interface_type: "physical-logic-coupled"
  support-legsskirt:
    type: "component"
    urn: "URN:CNFX:ME:SUPPORT_LEGSSKIRT"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 9001:2015 - QUALITY MANAGEMENT SYSTEMS"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/chemical-manufacturing/product/water-collection-sump.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "0685a4122681559e048881e3f346e5deaccfa95212f7a15a2a46a3773e79a7d2"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Water Collection Sump

## 1. Technical Definition
A basin at the base of a quench tower designed to collect and temporarily hold water after it has passed through the tower's packing or spray system.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0-2.5 bar gauge pressure, 5-95°C temperature, 0-100 m³/h flow rate**. Failure boundary: **Structural failure at 3.8 bar internal pressure (150% of design pressure), material yield at 120°C for carbon steel, overflow at 110% of design capacity (110 m³/h)**, Mechanism: **Hydrostatic pressure exceeding yield strength of ASTM A36 carbon steel (250 MPa), thermal expansion differential stress at ΔT&gt;75K, vortex-induced cavitation at NPSHa&lt;3m**.

### 2.1 Analytical Physics Model
Governed by the **Darcy-Weisbach Pressure Drop**:

> **Primary Equation**: $\Delta P = f \cdot \frac{L}{D} \cdot \frac{\rho v^2}{2}$  
> **Engineering Impact**: Critical for sizing CIP (Clean-In-Place) pump heads.

| Symbol | Variable Definition | Localized Reference |
| :--- | :--- | :--- |
| f | Friction Factor | Engineering Constant |
| L | Pipe Length | Engineering Constant |
| v | Velocity | Engineering Constant |

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Corrosion-induced wall thinning below 6mm minimum thickness | 8 | Catastrophic rupture at operating pressure | 316L stainless steel cladding with 3mm corrosion allowance, cathodic protection at -850mV vs Cu/CuSO4 |
| Sediment accumulation exceeding 40% basin volume | 8 | Reduced effective capacity causing system overflow | 45° sloped basin floor with dual vortex-breaker baffles, automated desludging at 30% level threshold |

## 3. Key Technical Parameters
| Parameter | Value | Unit | Status |
| :--- | :--- | :--- | :--- |
| spec | Config-dependent | m³ | Verified |

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)
- [Overflow Weir or Nozzle](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/overflow-weir-or-nozzle.md) `(Standalone System)`
- [Drain Valve](https://cnfx.com/llms/industry/rubber-and-plastic-product-manufacturing/product/drain-valve.md) `(Standalone System)`

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Quench Tower**, **Centrifugal Pump**, **Heat Exchanger**  
**Downstream Applications**: Ethylene, Polyethylene, Propylene  

## 5. Engineering Risks & FAQ
- **Caution**: 
- **Caution**: 
- **Caution**: 

### Q: What materials are best for a chemical manufacturing water collection sump?
**A**: Stainless steel (304 or 316L) offers excellent corrosion resistance for most chemical applications. Carbon steel with protective lining provides cost-effective durability, while FRP is ideal for highly corrosive environments.

### Q: How does the overflow weir function in a quench tower sump?
**A**: The overflow weir prevents overfilling by allowing excess water to safely drain when the sump reaches capacity, maintaining proper water levels and preventing system backups in the quench tower.

### Q: What maintenance is required for water collection sumps in chemical plants?
**A**: Regular inspection of drain valves, inlet/outlet connections, and protective linings is essential. Cleaning to prevent sediment buildup and checking for corrosion ensures long-term reliability and prevents contamination.

## 6. Manufacturing Compliance
- ISO 9001:2015 - QUALITY MANAGEMENT SYSTEMS

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Water Collection Sump](https://cnfx.com/industry/chemical-manufacturing/product/water-collection-sump)**

### 🌐 Knowledge Graph Topology
> **Node Status**: Verified Engineering Spec
> **Connectivity**: Linked to **6** standalone system nodes
> **Global Context**: Part of a 5,814 node industrial cluster within the CNFX Graph

> **Reference ID**: WATER_COLLECTION_SUMP | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 57527bde
