君，已阅读到文档的结尾了呢~~
施工设备操作规程
扫扫二维码，随身浏览文档
手机或平板扫扫即可继续访问
施工设备操作规程
举报该文档为侵权文档。
举报该文档含有违规或不良信息。
反馈该文档无法正常浏览。
举报该文档为重复文档。
推荐理由：
将文档分享至：
分享完整地址
文档地址：
粘贴到BBS或博客
flash地址：
支持嵌入FLASH地址的网站使用
html代码：
&embed src='/DocinViewer--144.swf' width='100%' height='600' type=application/x-shockwave-flash ALLOWFULLSCREEN='true' ALLOWSCRIPTACCESS='always'&&/embed&
450px*300px480px*400px650px*490px
支持嵌入HTML代码的网站使用
您的内容已经提交成功
您所提交的内容需要审核后才能发布，请您等待！
3秒自动关闭窗口工具类服务
编辑部专用服务
作者专用服务
火灾环境中液化气储罐热响应行为的数值分析
近年来,随着液化气作为燃料在工业和日常生活中大规模的使用,液化气泄漏、容器爆炸及火灾事故日益增多,造成了大量的财产损失和人员伤亡。因此,工业界安全问题的迫切需要和其学术上的综合性、复杂性,使得当今世界各个国家都在积极组织力量,从多角度、多侧面对事故的发生机理及原因特别是火灾环境下液化气储罐的热响应进行了大量的实验和模拟研究。但是由于储罐爆炸过程的短暂性和复杂性,只靠实验研究是难以对这些事故的发生机理进行全面细致的研究。因此,各个国家开展了广泛的数值模拟研究,即在实验基础上分析物理现象,建立相应的物理模型和数学模型,借助计算机仿真技术进行模拟,这将对预测、预防、控制事故的发生、保障生产的安全运行、提高生产效益具有重要的理论价值和实践意义。本文根据质量守恒、能量守恒以及结合国内外研究成果建立起描述火灾环境中液化气储罐热响应的偏微分方程和相应的定解条件,包括容器壁的导热微分方程、容器内介质的传热传质微分方程,由此构成火灾环境下液化气储罐热响应的数学模型。
学科专业：
授予学位：
学位授予单位：
导师姓名：
学位年度：
在线出版日期：
本文读者也读过
相关检索词
万方数据知识服务平台--国家科技支撑计划资助项目（编号：2006BAH03B01）(C)北京万方数据股份有限公司
万方数据电子出版社Patent CNC - Air compressor using variable frequency speed-pressure regulation - Google PatentsCN CGrantCN Apr 30, 2008May 17, 2006May 17, 2006.2, CN
C, CN C, CN , CN-C-, CN C, CNC, CN, CN.2, , ,
(4) , Air compressor using variable frequency speed-pressure regulation
C 一种采用变频调速调压的空气压缩机。 One kind of frequency control regulator air compressor. 包括机架、储气罐、曲轴箱、压缩气缸、电机、连通压缩气缸和储气罐的管路和阀门以及出气阀和安全阀。 It includes a frame, gas tank, crankcase compression cylinder, motor, communication compression cylinder and the gas tank piping and valves as well as a valve and a safety valve. 连通压缩气缸和储气罐的阀门是三通阀，三通阀的第三通路上连接着气管，气管的另一端安装着压力传感器。 Connectivity compression cylinder and the gas tank valves are three-way valve, the third three-way valve is connected via the trachea, the trachea and the other end is attached to a pressure sensor. 压力传感器分别以导线与指针式或数字式压力表和单片机比较控制器连接。 Pressure sensors are to lead with Analog or digital pressure gauge and compare SCM controller. 指针式或数字式压力表和单片机比较控制器还分别与设定调整器连接。 Analog or digital pressure gauge and single-chip controller is also connected with the comparison set adjuster. 单片机比较控制器的再连接到变频调速器，变频调速器连接在电源和电机之间以调节电机的转速。 Compare microcontroller and then connect the controller to the inverter, the inverter is connected between the power source and the motor to adjust the speed of the motor. 它可以在较大的范围内设定或调整压力，并进而将输出压力控制在该设定值附近的一个较小范围内。 It can be set or adjust the pressure in the larger context, and thus the output pressure is controlled within a relatively small area of the setting nearby. 压力控制准确，耗能低、节能效果好。 Pressure control accuracy, low power consumption, energy-saving effect. 可广泛应用于各行各业中。 It can be widely used in various industries.
1.一种采用变频调速调压的空气压缩机，包括机架，安装在机架上的储气罐，固定在储气罐上的曲轴箱，安装在曲轴箱上的压缩气缸，固定在曲轴箱上的电机，电机驱动压缩气缸中的活塞工作，连通在压缩气缸和储气罐之间的管路及其阀门，设置在储气罐上的出气阀和安全阀，其特征在于连通在压缩气缸和储气罐之间的阀门是三通阀，三通阀的第三通路上连接着气管，气管的另一端安装着压力传感器，压力传感器分别以导线与指针式或数字式压力表和单片机比较控制器连接，指针式或数字式压力表和单片机比较控制器还分别与设定调整器连接，单片机比较控制器的比较值再输入连接到变频调速器，变频调速器连接在电源和电机之间以调节电机的转速，指针式或数字式压力表带有设定显示和工作显示的转换开关，压力传感器和设定调整器经转换开关再与指针式或数字式压力表连接。 A frequency control regulator air compressor, comprising a frame, gas tank installed on the frame, fixed to the crankcase gas tank, compressed gas cylinder is mounted on the crankcase, fixed in crankcase motor, the motor driving the compression cylinder piston work, connecting pipes and valves in the compressed between the cylinder and the gas tank, set out on a gas tank valves and safety valves, wherein the communication in compression valve between the cylinder and the gas tank is three-way valve, the third three-way valve is connected via the trachea, the other end of the tube is mounted pressure sensors, pressure sensors and wire Analog or digital pressure gauge and are SCM comparison controller connection and dial or digital pressure gauge and microcontroller comparison controller also connected with the setting regulator, compare the value of single-chip controller then compare input is connected to the inverter, the inverter is connected to the power supply and between the motor to adjust the motor speed, pointer or digital pressure gauge with setting display and operating display switches, pressure sensors and set the adjuster switch and then connect via Analog or digital pressure gauge.
2. 按照权利要求1所述的釆用变频调速调压的空气压缩机，其特征在于所说的设定调整器带有两个设定钮，其一为上升设定钮，其二为下降设定钮。 2. Bian claim 1, wherein the frequency control regulator air compressor, characterized in that said setting regulator with two settings button, one button is set to rise, and the second is button-down set.
釆用变频调速调压的空气压缩机技术领域本发明属于空气压缩机技术领域，更明确地说涉及采用变频调速调压的空气压缩机的设计。 Preclude the use of technology in the field of air compressors Frequency regulator of the present invention belongs to the air compressor, and more specifically relates to frequency control regulator air compressor design. 背景技术传统的空气压缩机的输出只能围绕某个压力在一定的范围内波动。 Output A conventional air compressor only around a pressure fluctuation within a certain range. 一般以压力控制开关或调压器控制电机的起动和关闭，大体上将输出压力控制在一定范围内。 Generally pressure control switch or regulator to control the motor starting and stopping, generally the output pressure control within a certain range. 亦即当输出压力过低时，起动电机运转，进而驱动压缩气缸工作，使储气罐内的压力提高；当输出压力过高时，关闭电机停止运转，使储气罐内的压力降低。 That is when the output pressure is too low, the starter motor is running, and then drive the compression cylinder working, increase the pres when the output pressure is too high, turn off the motor stops running, the pressure inside the tank is reduced. 已有空气压缩机只能将输出压力控制在固定的小范围内，根本不能在较大的范围内设定或调整压力，而且压力控制也不够准确。 Existing air compressor output pressure can be controlled within a fixed range of small, simply can not be set or adjust the pressure in a wide range, and the pressure control is not accurate enough. 另外，其电机在工作时均为全速运行，因此耗能大、运行成本高。 In addition, the motors are running at full speed operation, and therefore energy consumption, high operating costs. 发明内容本发明的目的，就在于克服上述缺点和不足，提供一种釆用变频调速调压的空气压缩机。 The object of the present invention, it is to overcome the above drawbacks and disadvantages, to provide a frequency control regulator preclude the use of an air compressor. 它可以在较大的范围内设定或调整压力，并进而将输出压力控制在该设定值附近的一个较小范围内，而且压力控制也较准确。 It can be set over a wide range or adjust the pressure, and thus the output pressure is controlled within a relatively small area near the set value, and pressure control are more accurate. 另外， 其耗能低、节能效果好。 In addition, its low power consumption, energy-saving effect. 为了达到上述目的，本发明包括机架，安装在机架上的储气罐，固定在储气罐上的曲轴箱，安装在曲轴箱上的压缩气缸，固定在曲轴箱上的电机， 电机驱动压缩气缸中的活塞工作，连通在压缩气缸和储气罐之间的管路及其阀门，设置在储气罐上的出气阀和安全阀。 To achieve the above object, the present invention comprises a frame, gas tank installed on the frame, fixed to the crankcase gas tank, compressed gas cylinder is mounted on the crankcase, the motor is fixed to the crankcase, motor drive compression cylinder working piston, connecting pipes and valves in the compressed between the cylinder and the gas tank, set out on a gas tank valves and safety valves. 上述连通在压缩气缸和储气罐之间的阀门是三通闽，三通阀的第三通路上连接着气管，气管的另一端安装着压力传感器。 Said communication in the compression valve between the cylinder and the gas tank is on the third path tee Fujian, three-way valve connected to the pipe, the other end of the tube is mounted a pressure sensor. 压力传感器分别以导线与指针式或数字式压力表和单片机比较控制器连接。 Pressure sensors are to lead with Analog or digital pressure gauge and compare SCM controller. 指针式或数字式压力表和单片机比较控制器还分别与设定调整器连接，单片机比较控制器再将比较值输入连接到变频调速器，变频调速器连接在电源和电机之间以调节电机的转速。 Analog or digital pressure gauge and single-chip controller is also connected with the comparison set adjuster, and then compare the value of single-chip comparison controller input connected to the inverter, the inverter is connected between the power source and the motor to adjust motor speed. 指针式或数字式压力表带有设定显示和工作显示的转换开关，压力传感器和设定调整器经转换开关再与指针式或数字式压力表连接。 Analog or digital pressure gauge with setting display and switch the operating display, pressure sensor and setting adjuster and then connects with Analog or digital pressure gauge by the switch.
设定调整器带有两个设定钮，其一为上升设定钮，其二为下降设定钮。 Setting adjuster with two set buttons, one for rising Setup button, and the second decline Setup button. 上升设定钮用于欲设定值较当前值大时的上升设定，亦即将当前值提高到欲设定值时的&加&设定；下降设定钮用于欲设定值较当前值小时的下降设定, 亦即将当前值下降到欲设定值时的&减&设定。 Rise setting knob for the &plus& setting To set the value of the value is greater than the increase in the current, ie the current value increased
the decline setting knob For setting values for current the value of h-down set, that is down to the current value To set the value of the &minus& setting. 所说的压力传感器可以采用半导体压阻传感器。 Said pressure sensor can be a semiconductor piezoresistive sensor. 半导体压阻传感器的传感信号强、信噪比高、电路处理方便，使用效果好。 Semiconductor piezoresistive sensors sensing signal strength, signal to noise ratio, convenient circuit processes, good results. 变频调速器可以采用已有技术。 Inverter can be used in the prior art. 号专利就公开了这样一种已有技术。 Patent No.
discloses such a prior art. 本发明是这样工作的：开机、空气压缩机工作稳定后，首先检查指针式或数字式压力表的显示值是否符合要求。 The present invention works like this: boot, air compressors stable, first check the displayed value pointer or digital pressure gauge meets the requirements. 如果不符合要求，应将转换开关转换到设定显示，然后调整指针式或数字式压力表的设定值至所需要的压力值。 If you do not meet the requirements, you should switch to switch to set the display, and then adjust the pointer or digital pressure gauge is set to the desired value. 设定完成后，将转换开关转换到工作显示。 After the setup is complete, the change-over switch to the working display. 随后在空气压缩机的工作过程中，单片机比较控制器会随时监控压力传感器的实测值，并将其与设定值比较。 Then during the operation of the air compressor, the microcontroller comparison controller will always monitor the measured values of the pressure sensor, and comparing it with the set value. 如果实测值与设定值的比较值超出规定的误差，单片机比较控制器就会向变频调速器下达调速指令，变频调速器就会驱动电机加速或减速，使储气罐中的压力增大或减小。 If the comparison between the measured value and the set value exceeds a predetermined error, single-chip controller will compare the governor issued an instruction to the inverter, inverter drive motor will accelerate or decelerate, so the pressure in the tank increased or decreased. 如果实测值与设定值的比较值没有超出规定的误差，单片机比较控制器不下达调速指令，电机会维持原转速不变。 If the comparison between the measured value and the set value does not exceed the specified error, single-chip controller does not compare the governor issued instructions, the motor speed to maintain the original unchanged. 与此同时，传感器的实测值会随时显示在指针式或数字式压力表上。 At the same time, the measured value of the sensor will be displayed at any time on Analog or digital pressure gauge. 本发明的任务就是这样完成的。 The task of the present invention is thus completed. 本发明可以在较大的范围内设定或调整压力，并进而将输出压力控制在该设定值附近的一个较小范围内，而且压力控制也较准确。 The present invention can be set over a wide range, or to adjust the pressure, and thus the output pressure is controlled within a relatively small area near the set value, and pressure control are more accurate. 其耗能低、节能效果好。 Its low energy consumption, energy-saving effect. 它可广泛推广应用于各行各业中。 It can be widely used in various industries. 附图说明图1为本发明的结构示意图。 Brief Description of the structure diagram in Figure 1 of the present invention. 图2为其电路方框图。 FIG. 2 is a circuit block diagram. 具体实施方式实施例1。 DETAILED DESCRIPTION Example 1. 一种釆用变频调速调压的空气压缩机，如图1?图2所示。 One kind preclude the use of frequency control regulator air compressor, as shown in Fig. 2 1 ~. 它包括机架l，安装在机架1上的储气罐2,固定在储气罐2上的曲轴箱9, 安装在曲轴箱9上的压缩气缸3，固定在曲轴箱9上的电机4，电机4驱动压缩气缸3中的活塞工作，连通在压缩气缸3和储气罐2之间的管路5及其阀门6,设置在储气罐2上的出气阀7和安全阀10。 Compression cylinder motor which comprises a rack l, tank mounted on the chassis 1 2 2 fixed on the tank crankcase 9, mounted on the crankcase 9 3 fixed to the crankcase 9 4 The motor 4 drives the compression cylinder 3 working piston, connecting the compression cylinder 3 and the gas tank valves 2 between line 5 and 6, is provided on the gas tank 2 of the valve 7 and valve 10. 上述连通在压缩气缸3 和储气罐2之间的闹门6是三通阀，三通阀6的第三通路上连接着气管8,气管8的另一端安装着压力传感器11。 Said communication in the compression cylinder 3 and the gas tank door between 2 and 6 downtown is three-way valve, three-way valve connected to a pipe 8 6 on the third path, the other end of the tube 8 mounted pressure sensor 11. 压力传感器11分别以导线与指针式压力表12和单片机比较控制器13连接。 A pressure sensor 11, respectively, lead the gauge pointer comparison controller 12 and microprocessor 13 are connected. 指针式压力表12和单片机比较控制器13还分别与设定调整器14连接，单片机比较控制器13再将比较值输入连接到变频调速器15,变频调速器15连接在电源16和电机4之间以调节电机4的转速。 Analog pressure gauge 12 and the microcontroller comparison controller 13 is also connected with the setting adjuster 14, respectively, single-chip controller 13 then compare the comparison value inputs are connected to the inverter 15, the inverter 15 is connected to the power supply 16 and motor between 4 to adjust the speed of the motor 4. 指针式压力表12带有设定显示和工作显示的转换开关17， 压力传感器11和设定调整器14首先经转换开关17再与指针式压力表12连接。 12 gauge pointer setting display and work with the display switch 17, a pressure sensor 11 and set the adjuster 14 via the switch 12 is connected to first 17 and then with the gauge pointer. 设定调整器14带有两个设定钮，其一为上升设定钮，其二为下降设定钮。 Set the adjuster 14 with two set buttons, one for rising Setup button, and the second decline Setup button. 图1中18为过电流保护器。 Figure 1 18 overcurrent protection. 所说的压力传感器11为半导体压阻传感器。 He said pressure sensor 11 is a semiconductor piezoresistive sensors. 实施例1可以在较大的范围内设定或调整压力，并进而将输出压力控制在该设定值附近的一个较小范围内，而且压力控制也较准确。 Example 1 can be set over a wide range or adjust the pressure, and thus the output pressure is controlled within a relatively small area near the set value, and pressure control are more accurate. 其耗能低、节能效果好。 Its low energy consumption, energy-saving effect. 它可广泛推广应用于各行各业中。 It can be widely used in various industries.
夏武Automatic control device of air compressor叶庆得Rotary speed controller for air compressorBurkholder Robert F.Air compressor assembly having enclosed unpainted air tankPowermate CorporationAir compressor utilizing an electronic control system1空气压缩机的变频调速及应用.
王廷才，刁红宇.新技术新工艺，第2005卷第5期.
2005International Classification, , C06PublicationC10Entry into substantive examinationC14Grant of patent or utility modelCF01 Rotate您好，欢迎回来
您好，欢迎来到中国供应商！
供应5.5hp汽油动力双储气罐空压机气泵 2070/8活塞式空压机
供应5.5hp汽油动力双储气罐空压机气泵 2070/8活塞式空压机
蔡先生经理
手机已验证
发货地浙江 义乌市
发货期限不限
供货总量0台
手机已验证
经营模式|经销批发
企业类型|其他
公司地址|浙江 金华 义乌市 中国 浙江 义乌市 国际商贸城G2-15212店
供应产品分类
查看全部分类
本页信息为义乌市东沙电子商务商行为您提供的""产品信息，如您想了解更多关于"供应5.5hp汽油动力双储气罐空压机气泵 2070/8活塞式空压机"价格、型号、厂家请联系厂家，或给厂家留言。
品牌荣光/glory型号RG-2070/8用途油田用压缩机,天然气加气站用,凿岩机用,风动工具,纺织机械用,轮胎充气用,塑料机械用压缩机,矿用压缩机,船用压缩机
供应5.5hp汽油动力双储气罐空压机气泵 2070/8活塞式空压机
ModelRG-2070/8Power(KW,HP)功率4.0/5.5Tank(L)储气罐容量100Cylinder气缸70*2Air delivery(L/min,C.F.M)排气量260/9.2Pressure(psi.bar)压力115/8Speed(r.p.m)转速980N.W.(kg)重量60Meas(mm)体积850*415*660说明：新型单体式阀片设计,提高压缩效率,维护简易。工业级空压设计，采用***优良铸铁材质超强耐磨，多叶式散热风扇，强迫冷却。用途：适用于工厂，自动化系统，汽车维修，涂装.工程等任何需要空气来源之使用者。
供应商信息
义乌市东沙电子商务商行生产批发的清洗机、发电机、矿山机械、电动工具、电焊机、焊接设备、果汁机、水泵、吸尘器、洗地机畅销消费者市场，在消费者当中享有较高的地位，公司与多家零售商和代理商建立了长期稳定的合作关系。义乌市东沙电子商务商行经销的清洗机、发电机、矿山机械、电动工具、电焊机、焊接设备、果汁机、水泵、吸尘器、洗地机品种齐全、价格合理。义乌市东沙电子商务商行实力雄厚，重信用、守合同、保证产品质量，以多品种经营特色和薄利多销的原则，赢得了广大客户的信任。
公司所在地
浙江 金华 义乌市 中国 浙江 义乌市 国际商贸城G2-15212店
法定代表人
主营产品或服务
蔡先生经理
地址浙江 金华 义乌市 中国 浙江 义乌市 国际商贸城G2-15212店
浙江 金华 义乌市 中国 浙江 义乌市 国际商贸城G2-15212店
义乌市东沙电子商务商行
武汉国际博览中心
中国国际展览中心（老馆）
郑州中原国际博览中心
中国国际展览中心（老馆）
杭州白马湖国际会展中心
上海光大会展中心
武汉国际博览中心
成都世纪城新国际会展中心
厦门国际会议展览中心
免责声明：
本页面所展现的 供应5.5hp汽油动力双储气罐空压机气泵 2070/8活塞式空压机 信息及其他相关推荐信息，均来源于其对应的商铺，信息的真实性、准确性和合法性由该信息的来源商铺所属企业完全负责。中国供应商对此不承担任何保证责任。
友情提醒：
建议您在购买相关产品前务必确认供应商资质及产品质量，过低的价格有可能是虚假信息，请谨慎对待，谨防欺诈行为。
义乌市东沙电子商务商行
地址：浙江 金华 义乌市 中国 浙江 义乌市 国际商贸城G2-15212店
技术支持：
成功收藏此产品
图片验证码
最小订货量
我想了解贵公司产品价格方面的问题，请尽快和我联系。
您采购的商品供应5.5hp汽油动力双储气罐空压机气泵 2070/8活塞式空压机
您的手机号码
提交联系方式，获取供应商最低报价
蔡先生 / 经理
义乌市东沙电子商务商行
*联系我们时请说明来自中国供应商！
您的手机号码
填写手机号接收企业名片
图片验证码
*联系我们时请说明来自中国供应商！