CN202187002U - 利用堆肥发酵热量为沼气发酵物料增温装置 - Google Patents

利用堆肥发酵热量为沼气发酵物料增温装置 Download PDF

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CN202187002U
CN202187002U CN2011202819086U CN201120281908U CN202187002U CN 202187002 U CN202187002 U CN 202187002U CN 2011202819086 U CN2011202819086 U CN 2011202819086U CN 201120281908 U CN201120281908 U CN 201120281908U CN 202187002 U CN202187002 U CN 202187002U
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郑炜
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Abstract

本实用新型涉及的是一种利用堆肥发酵热量为沼气发酵物料增温装置，包括堆肥发酵装置（1）和沼气发酵装置（2），堆肥发酵装置（1）周围安装有蒸发器（3），沼气发酵装置（2）内安装有冷凝器（4），蒸发器（3）和冷凝器（4）分别通过管道与压缩机（5）相连，蒸发器（3）和冷凝器（4）以及连接管道内有热相变工质。本实用新型将堆肥发酵装置与沼气发酵装置联合建设，将堆肥产生的热能传递给沼气发酵物料，来维持沼气发酵所需要的恒定发酵温度，另外，可实时监控温度的变化，根据沼气发酵装置内的温度高低决定是否开启热泵加温系统。

Description

利用堆肥发酵热量为沼气发酵物料增温装置
技术领域
本实用新型涉及的是增温装置，具体的是一种利用堆肥发酵热量为沼气发酵物料增温装置。
背景技术
沼气是各种有机物质，在隔绝空气，并在适宜的温度、湿度下，经过微生物的发酵作用产生的一种可燃烧气体。沼气发酵受物料温度影响大，通常沼气发酵分为三个发酵温度区间，即常温发酵区为10～26℃；中温发酵区为28～38℃，最适温度为35℃；高温发酵区为46℃～60℃，商业化沼气工程使用中温和高温发酵。为保证沼气常年持续稳定供应，不受季节影响，除对沼气池（灌）保温外，还需要为发酵物料补充因热传递而损失的热能。目前，为沼气物料加热一般来源于外源性热源，对能源造成很大的浪费。因此，需要发明一种为沼气物料增温的装置。
发明内容
本实用新型的发明目的是针对上述问题提供一种利用堆肥发酵热量为沼气发酵物料增温装置，解决目前沼气物料加热还需外源性热源的问题。
本实用新型通过以下技术方案来实现：利用堆肥发酵热量为沼气发酵物料增温装置包括堆肥发酵装置和沼气发酵装置，堆肥发酵装置周围安装有蒸发器，沼气发酵装置内安装有冷凝器，蒸发器和冷凝器分别通过管道与压缩机相连，蒸发器和冷凝器以及连接管道内有热相变工质。
堆肥发酵装置和沼气发酵装置分别装有温度传感器，温度传感器与压缩机电源控制器相连接。
采用上述技术方案的积极效果：本实用新型将堆肥发酵装置与沼气发酵装置联合建设，堆肥发酵装置周围安装蒸发器，沼气发酵装置内安装冷凝器，蒸发器和冷凝器以及连接管道中有热相变工质，利用逆向卡诺循环，即热相变工质在液态和气态之间发生相变，将热量从蒸发器中传递到冷凝器中，即将堆肥产生的热能传递给沼气发酵物料，来维持沼气发酵所需要的恒定发酵温度；另外，堆肥发酵过程如有渗沥液，可由沼气处理，沼气的沼渣和沼液可以放入堆肥干物料中，调节堆肥物料水分，两者可以互相补充利用；由于堆肥发酵装置与沼气发酵装置均安装有温度传感器，可实时监控温度的变化，根据沼气发酵装置内的温度高低决定是否开启热泵加温系统。
四、附图说明
图1是本实用新型的结构示意图。
图中：1堆肥发酵装置，2沼气发酵装置，3蒸发器，4冷凝器，5压缩机，6a、6b温度传感器，7压缩机电源控制器。
五、具体实施方式：下面结合附图对本实用新型作进一步说明：
图1是本实用新型的结构示意图，如图所示，利用堆肥发酵热量为沼气发酵物料增温装置，包括堆肥发酵装置1和沼气发酵装置2，堆肥发酵装置1周围安装有蒸发器3，沼气发酵装置2内安装有冷凝器4，蒸发器3和冷凝器4分别通过管道与压缩机5相连，蒸发器3和冷凝器4以及连接管道内有热相变工质。在蒸发器3中，热相变工质负责从堆肥发酵装置1中吸收热量，而在冷凝器4中，热相变工质向沼气发酵装置2释放热量。蒸发器3和冷凝器4分别通过管道与压缩机5相连，压缩机5负责吸入蒸发器3中的低温低压的热相变工质气体，经过活塞打压后，成为高温高压的热相变工质气体，循环到沼气发酵装置2中的冷凝器4后，高温高压的热相变工质气体冷凝成液体，冷凝的过程中释放热量，为沼气物料进行加温；冷凝后的热相变工质液体再次进入堆肥发酵装置1中的蒸发器3，在堆肥高温的驱使下吸热汽化，进入下一个循环。通过热相变工质不停地在液体和气体之间发生相变，将堆肥发酵装置1中产生的热量传递给沼气发酵装置2。
为了在加热时能够对温度进行控制，堆肥发酵装置1装有温度传感器6a，沼气发酵装置2装有温度传感器6b，温度传感器6a和温度传感器6b分别与压缩机电源控制器7相连接。实际应用时，温度传感器6a距离堆肥表面垂直距离不低于5cm，与蒸发器3的距离不少于50cm；温度传感器6b与冷凝器4的距离不低于10cm，与容器内壁距离不大于10cm。通过温度传感器6a和温度传感器6b感应堆肥发酵装置1和沼气发酵装置2的温度，决定是否对沼气发酵装置2中的沼气物料进行加热。例如，在中温沼气工程中，当沼气发酵物料温度低于32℃且堆肥发酵装置周边温度高于10℃时，温度传感器6a和温度传感器6b将信号传给压缩机电源控制器7，加温系统启动，为沼气物料加温；当沼气发酵物料温度高于36℃时，温度传感器6a和温度传感器6b再次将信号传给压缩机电源控制器7，加温装置停止为沼气物料加温。

Claims (2)

1.一种利用堆肥发酵热量为沼气发酵物料增温装置，其特征在于：该装置包括堆肥发酵装置（1）和沼气发酵装置（2），堆肥发酵装置（1）周围安装有蒸发器（3），沼气发酵装置（2）内安装有冷凝器（4），蒸发器（3）和冷凝器（4）分别通过管道与压缩机（5）相连，蒸发器（3）和冷凝器（4）以及连接管道内有热相变工质。
2.根据权利要求1所述的利用堆肥发酵热量为沼气发酵物料增温装置，其特征在于：所述的堆肥发酵装置（1）和沼气发酵装置（2）分别装有温度传感器（6a、6b），温度传感器（6a、6b）与压缩机电源控制器（7）相连接。
CN2011202819086U 2011-08-05 2011-08-05 利用堆肥发酵热量为沼气发酵物料增温装置 Expired - Fee Related CN202187002U (zh)

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CH592139A5 (zh) * 1974-03-26 1977-10-14 Mueller Hans Maennedorf
CN2651250Y (zh) * 2003-07-02 2004-10-27 武绍之 垃圾堆肥发电装置
CN201175584Y (zh) * 2008-02-19 2009-01-07 李相斌 沼液真空浓缩装置
CN101899384A (zh) * 2009-05-31 2010-12-01 北京智慧剑科技发展有限责任公司 一种太阳能热管发酵设备及方法
CN101603001A (zh) * 2009-07-20 2009-12-16 北京科技大学 一种污水源热泵恒温型沼气池
CN101628778B (zh) * 2009-07-28 2011-04-20 刘犇 污泥热干化与污泥消化发酵联合应用的方法

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