datalist:10数据库“tempdb”的事务日志已满，原因为“ACTIVE_TRANSACTION”。   在 System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection, Action`1 wrapCloseInAction)
   在 System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj, Boolean callerHasConnectionLock, Boolean asyncClose)
   在 System.Data.SqlClient.TdsParser.TryRun(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj, Boolean& dataReady)
   在 System.Data.SqlClient.SqlDataReader.TryConsumeMetaData()
   在 System.Data.SqlClient.SqlDataReader.get_MetaData()
   在 System.Data.SqlClient.SqlCommand.FinishExecuteReader(SqlDataReader ds, RunBehavior runBehavior, String resetOptionsString, Boolean isInternal, Boolean forDescribeParameterEncryption, Boolean shouldCacheForAlwaysEncrypted)
   在 System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async, Int32 timeout, Task& task, Boolean asyncWrite, Boolean inRetry, SqlDataReader ds, Boolean describeParameterEncryptionRequest)
   在 System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, TaskCompletionSource`1 completion, Int32 timeout, Task& task, Boolean& usedCache, Boolean asyncWrite, Boolean inRetry)
   在 System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method)
   在 System.Data.SqlClient.SqlCommand.ExecuteReader(CommandBehavior behavior, String method)
   在 System.Data.SqlClient.SqlCommand.ExecuteReader()
   在 B2b.Shop.ShopBase.GetDataList(Int32 iValue, Int32 iSize, List`1& loValues) 位置 f:\mywork\b2b168\b2bweb\B2bBase\ShopBase.cs:行号 4543datalist:8数据库“tempdb”的事务日志已满，原因为“ACTIVE_TRANSACTION”。   在 System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection, Action`1 wrapCloseInAction)
   在 System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj, Boolean callerHasConnectionLock, Boolean asyncClose)
   在 System.Data.SqlClient.TdsParser.TryRun(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj, Boolean& dataReady)
   在 System.Data.SqlClient.SqlDataReader.TryConsumeMetaData()
   在 System.Data.SqlClient.SqlDataReader.get_MetaData()
   在 System.Data.SqlClient.SqlCommand.FinishExecuteReader(SqlDataReader ds, RunBehavior runBehavior, String resetOptionsString, Boolean isInternal, Boolean forDescribeParameterEncryption, Boolean shouldCacheForAlwaysEncrypted)
   在 System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async, Int32 timeout, Task& task, Boolean asyncWrite, Boolean inRetry, SqlDataReader ds, Boolean describeParameterEncryptionRequest)
   在 System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, TaskCompletionSource`1 completion, Int32 timeout, Task& task, Boolean& usedCache, Boolean asyncWrite, Boolean inRetry)
   在 System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method)
   在 System.Data.SqlClient.SqlCommand.ExecuteReader(CommandBehavior behavior, String method)
   在 System.Data.SqlClient.SqlCommand.ExecuteReader()
   在 B2b.Shop.ShopBase.GetDataList(Int32 iValue, Int32 iSize, List`1& loValues) 位置 f:\mywork\b2b168\b2bweb\B2bBase\ShopBase.cs:行号 4543datalist:5数据库“tempdb”的事务日志已满，原因为“ACTIVE_TRANSACTION”。   在 System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection, Action`1 wrapCloseInAction)
   在 System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj, Boolean callerHasConnectionLock, Boolean asyncClose)
   在 System.Data.SqlClient.TdsParser.TryRun(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj, Boolean& dataReady)
   在 System.Data.SqlClient.SqlDataReader.TryConsumeMetaData()
   在 System.Data.SqlClient.SqlDataReader.get_MetaData()
   在 System.Data.SqlClient.SqlCommand.FinishExecuteReader(SqlDataReader ds, RunBehavior runBehavior, String resetOptionsString, Boolean isInternal, Boolean forDescribeParameterEncryption, Boolean shouldCacheForAlwaysEncrypted)
   在 System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async, Int32 timeout, Task& task, Boolean asyncWrite, Boolean inRetry, SqlDataReader ds, Boolean describeParameterEncryptionRequest)
   在 System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, TaskCompletionSource`1 completion, Int32 timeout, Task& task, Boolean& usedCache, Boolean asyncWrite, Boolean inRetry)
   在 System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method)
   在 System.Data.SqlClient.SqlCommand.ExecuteReader(CommandBehavior behavior, String method)
   在 System.Data.SqlClient.SqlCommand.ExecuteReader()
   在 B2b.Shop.ShopBase.GetDataList(Int32 iValue, Int32 iSize, List`1& loValues) 位置 f:\mywork\b2b168\b2bweb\B2bBase\ShopBase.cs:行号 4543<!DOCTYPE html>
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  "description":"表面式冷却器 苏州铜管表冷器定制, 减湿冷却过程中，由于边界层空气与主体空气之间不但存在温差，也存在水蒸气分压力差，所以通过换热器表面不但有显热交换，也有伴随湿交换的潜热交换。由此可知，湿工况下的表冷器比干工况下有更大的热交换能力，或..。获取更多表面式冷却器 苏州铜管表冷器定制相关供求信息，请查阅德州万冠空调设备有限公司网站供应商机栏目",
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<h2 class="p">表冷器一般将介质为冷冻水的翅片式空气换热器称为表冷器，多用Ф16mm铜管（孔距38mm? 列距33mm）。近年来Ф12.7mm铜管（孔距32mm，列距27.5mm）、Φ9.52mm铜管（孔距25mm，列距21.65mm）表冷器也得到广泛应用。</h2>
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<h1 title="表面式冷却器 苏州铜管表冷器定制">表面式冷却器 苏州铜管表冷器定制</h1>
<div class="time"><span>更新时间：2024-06-22 &nbsp; 浏览数：14</span><br />
所属行业：<a href="http://info.b2b168.com/nuantongkongtiao/" target="_blank">暖通空调</a> <a href="http://info.b2b168.com/nuantongkongtiao/nuantongkongtiao/" target="_blank">暖通空调</a> <a href="http://info.b2b168.com/nuantongkongtiao/nuantongkongtiao/kongtiaopeijian/" target="_blank">空调配件</a> </div>
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发货地址：山东省德州武城县   &nbsp;<br />
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<span class="ssx01">铜管规格</span><span class="ssx02">12.7mm</span>
<span class="ssx01">排距</span><span class="ssx02">27.5mm</span>
<span class="ssx01">铜管壁厚</span><span class="ssx02">0.3mm</span>
<span class="ssx01">片距</span><span class="ssx02">3.2mm</span>
<span class="ssx01">孔距</span><span class="ssx02">32mm</span>
</div>
减湿冷却过程中，由于边界层空气与主体空气之间不但存在温差，也存在水蒸气分压力差，所以通过换热器表面不但有显热交换，也有伴随湿交换的潜热交换。由此可知，湿工况下的表冷器比干工况下有更大的热交换能力，或者说对同一台表冷器而言，在被处理的空气干球温度和水温保持不变时，空气湿球温度越高，表冷器的冷却减湿能力越大。<br/><img style="margin: auto;clear: both;display: block" src="//l.b2b168.com/2022/09/07/19/202209071911012278184.jpg" alt="苏州铜管表冷器定制"/><br/>表冷器特点：<br/>1、表冷器制造工艺，性能优良：采用薄壁铜管穿双桥面铝翅片，具有传热效率高，水阻力小。<br/>2、表冷器具有结构紧凑、重量轻、工艺、性能好、阻力低、承受压力高等优点。<br/>3、表冷器的供水，回水管路应有良好的保温措施，以减少热损失或避免管道结霜。<br/>4、冬季不使用表冷器时，应将剩余的水放尽，以免结冰冻　裂铜管，供表冷器用的冷热水，不允许有砂子、铁锈、纤维等杂质。<br/>5、表冷器采用二次翻边，铜管串铝片，机械涨管工艺而制成。机组试验压力为130MPa,工作压力为1.6MPa。<br/>6、表冷器广泛用于空调工程中冷却、加热、去湿以及制冷工程中的冷凝器、蒸发器，并可为冷库配套<br/><img style="margin: auto;clear: both;display: block" src="//l.b2b168.com/2020/06/09/18/202006091848278390084.jpg" alt="苏州铜管表冷器定制"/><br/>全称表面式冷却器其原理是让热媒或冷媒或制冷工质流过金属管道内腔，而要处理的空气流过金属管道外壁进行热交换来达到加热或冷却空气的目的。<br/><img style="margin: auto;clear: both;display: block" src="//l.b2b168.com/2020/06/09/18/202006091848274854044.jpg" alt="苏州铜管表冷器定制"/><br/>表冷器经长时间使用后，因外表面积积灰、内表面结垢等原因，其传热系数会有所降低。为了保证在这种情况下表冷器的使用仍然安全可靠，在选择计算时应考虑一定的安全系数。可以采用加大传热面积的办法考虑安全系数，例如增加排数或增加迎风面积。但由于产品规格有限，采用这种办法往往做不到安全系数正好合适，或者给选择计算工作带来麻烦。<br /><a href="http://wgktsb.b2b168.com/">http://wgktsb.b2b168.com</a>
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