---
title: "橡木装窑：装多少，以及会收缩多少"
description: "32 mm 橡木材堆的装窑量、它在车间里达到的含水率，以及一块 200 mm 板材到达那里的干缩量。"
image: "https://nestingcalc.com/og-default.png"
url: "https://nestingcalc.com/cn/case-studies/oak-kiln-charge/"
locale: "zh-Hans"
---

[案例研究](https://nestingcalc.com/cn/case-studies/)

# 橡木装窑：装多少，以及会收缩多少

32 mm 橡木材堆的装窑量、它在车间里达到的含水率，以及一块 200 mm 板材到达那里的干缩量。

13.10 m³ 每窑橡木

12.0% 车间 EMC

7.7% 弦向干缩

## 任务背景

一台小型硬木干燥窑的可用材堆外廓为 6.0 × 1.8 × 2.4 m。装窑前，操作员需要三个数字：实际能装进多少橡木、板材在客户车间会稳定在什么含水率，以及一块宽的弦切板在途中会移动多少。

## 输入

| 项目 | 数值 |
| --- | --- |
| 材堆外廓（长 × 宽 × 高） | 6.0 × 1.8 × 2.4 m |
| 板厚 | 32 mm |
| 隔条厚度 | 25 mm |
| 材堆填充系数 | 0.90 |
| 存放气候 | 20 °C / 65% RH |

## 怎么算的

装窑容量采用《干燥窑操作员手册》（USDA AH-188）的材堆几何：木材体积 = 材堆体积 × t / (t + s) × 填充系数，t 为板厚，s 为隔条厚度。平衡含水率采用《木材手册》2021 版所载 Simpson 形式的 Hailwood–Horrobin 吸附方程。干缩采用白橡木从纤维饱和点到目标含水率的公开弦向系数。

## 计算器返回的结果

| 项目 | 数值 |
| --- | --- |
| 每窑木材量 | 13.10 m³ |
| 每窑板尺数 | 5,550 |
| 材堆中的木材占比 | 56.1% |
| 存放处平衡含水率 | 12.0% |
| 200 mm 弦向板材在目标含水率时 | 184.6 mm (−7.7%) |

## 与常规做法对比

| 项目 | 25 mm 隔条 | 19 mm 隔条 |
| --- | --- | --- |
| 每窑木材量 | 13.10 m³ | 14.64 m³ |
| 材堆中的木材占比 | 56.1% | 62.7% |
| 每窑差值 | — | +1.54 m³ (+11.8%) |

本页每个数字都在构建时由计算器本身重新计算——没有任何一项是手工填进去的。

## 要点

隔条厚度不是细节。从 25 mm 隔条换成 19 mm，同一窑室能多装超过一个半立方米的橡木——每窑多约 12%，每窑都如此，代价只是换一批隔条。但权衡是真实的：更薄的隔条会减缓空气流动并加大干燥不均的风险，所以要拿产能权衡降等风险，而不是把更大的数字当成白赚的。另外，一块出窑时尺寸合格的 200 mm 弦切橡木板，到达车间平衡时会窄几毫米——按榫接要为稳定后的尺寸留量，而不是湿材尺寸。

## 自己算一遍

[干燥窑容量](https://nestingcalc.com/cn/kiln-capacity-calculator/)

还用到了: [平衡含水率](https://nestingcalc.com/cn/emc-calculator/) , [木材收缩](https://nestingcalc.com/cn/wood-shrinkage-calculator/) , [含水率](https://nestingcalc.com/cn/moisture-content-calculator/)

[案例研究](https://nestingcalc.com/cn/case-studies/) [切割优化器基准测试](https://nestingcalc.com/cn/benchmarks/)

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