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你可能喜欢Patent CNC - Loop circulating gas analysis method and appts. for determining sulfur ... - Google PatentsCN CGrantCN Aug 29, 2007Apr 15, 2004Apr 15, 2004.9, CN
C, CN C, CN , CN-C-, CN C, CNC, CN, CN.9, ,
(4) , Loop circulating gas analysis method and appts. for determining sulfur constant of combustible material
C 一种测定可燃物质含硫量的闭路循环气体分析方法，其特征在于在与反应炉相通的管路上设置电解池、过滤器、气室和气泵，与反应炉形成闭式回路，利用测控单元控制其管路上气阀和气泵的开启，使待测气体在管路和气室中循环，然后在闭路中抽取定容量的气体，通过比例换算测定试样中的硫含量。 A closed cycle gas analysis method of measuring sulfur content of combustible material, characterized in that the pipeline and the reactor cell communication settings, filters, gas chamber and pump, and the reactor to form a closed loop control of the use of monitoring and control unit Its pipeline valve and the air pump is turned on, so that the test gas circulating in the gas chamber in the line, and then extract a given volume of gas in closed circuit, in terms of sulfur content in the measurement sample by the ratio. 其装置是在反应炉内外接一连通管，依序与两气室、气阀和过滤器、电解池、气泵串接后进入反应炉内形成闭合回路；在后一气室进、出端接有一旁通管，该管上设两气阀，两气阀之间接有气泵，与反应炉连通，同时通过另一气阀与废气处理装置连接。 Which is an external device a communication in the reactor tube, sequentially with the two air chambers, valves and filters, electrolytic cells in series after the pump into the closed loop is forme in the air chamber inlet, the end that a bypass tube which is provided on the two valves, two valves of the pump indirectly, in communication with the reactor, while the other is connected through a valve with the exhaust gas treatment device. 本发明可使试样燃烧后的气体充分循环，整个气室和管路中气体浓度均匀，提高了测试的精确性，传感器侧头的敏感性要求低。 The present invention allows the combustion gases after the full cycle the sample, the concentration of the whole gas chamber and the gas pipeline uniform, improving the accuracy of the test, a low sensitivity requirements of the sensor side head.
1.一种测定可燃物质含硫量的闭路循环气体分析方法，其特征在于它是通过在与试样反应炉相通的管路上设置测定用的电解池、过滤器和多个气室和多个气泵，并使电解池、过滤器、各气室和气泵与反应炉通过管路连接形成闭式回路，利用测控单元控制管路上所设的气阀和气泵的开启，从而使待测气体在管路和气室中循环，然后在闭路中抽取定容量的气体，通过测控单元进行比例换算，再根据电生碘和电生溴所消耗的电量，完成对试样中硫含量的测定。 1. A closed cycle gas analyzing method of measuring the sulfur content of the combustible material, characterized in that it is in the pipeline through the reactor in communication with the sample measurement cell is provided, the plurality of filters and a plurality of gas chambers and pump, and the electrolytic cell, a filter, air chambers and air pump and the reactor closed circuit formed by piping connection, use and control unit in the control line established by opening the valve and pump, so that the test gas in the tube the cycle path and the gas chamber, and then extract a given volume of gas in the closed circuit by scaling and control unit, according to raw power of iodine and bromine consumed raw electrical power, to complete the determination of the sulfur content of the sample.
2.一种测定可燃物质含硫量的闭路循环气体分析装置，包括反应炉(1)、电解池(12)、过滤器(10)和测控单元(19)，其特征在于所述反应炉(1)炉膛内腔外接一连通管，依序与第一气室(2)、第一气阀(4)、第二气室(6)、第二气阀(9)、过滤器(10)、电解池(12)、第一气泵(13)、第七气阀(14)、第九气阀(18)串接后进入反应炉(1)炉膛内形成闭合回路；在第二气室(6)进、出端，接有一旁通管，该管上设有第一气阀(3)、第四气阀(8)，两气阀之间接有第二气泵(17)，该第二气泵(17)与反应炉(1)连通，同时通过第八气阀(16)与废气处理装置(15)连接。 2. The sulfur content of a combustible substance closed circulation gas analyzer measurement, including the reactor (1), the cell (12), the filter (10) and the monitoring and control unit (19), characterized in that the reaction furnace ( 1) External a furnace cavity communicating tube, sequentially with the first gas chamber (2), a first valve (4), a second air chamber (6), a second valve (9), the filter (10) electrolytic cell (12), a first pump (13), the seventh valve (14), after the ninth valve (18) connected in series into the reaction (1) form a closed circui the second air chamber ( 6) into and out of the end, then there is a bypass pipe with the first valve (3), the fourth valve (8), an indirect two valves of the second pump (17), the second on the tube pump (17) and the reactor (1) communicates, through an eighth valve (16) and the exhaust gas treatment device (15) is connected.
3.根据权利要求2所述的一种测定可燃物质含硫量的闭路循环气体分析装置，其特征在于在第二气室(6)两端，还设有一个与其并列排列之第三气室(7)。 3. A method according to claim 2, wherein the determination of the sulfur content of the combustible material closed circulation gas analysis apparatus, characterized in that the second chamber (6) at both ends, is also provided with a third air chamber are arranged in parallel to one of the (7).
一种测定可燃物质含硫量的闭路循环气体分析方法及装置 A combustible substance sulfur closed cycle gas analysis method and apparatus for measuring
技术领域 FIELD
：本发明涉及一种测量固体或液体可燃物质含硫量之方法，具体涉及一种采用闭路循环方法抽取试样以进行分析的方法及由该方法所设计的装置，主要用于煤炭、石油、化工、电力、科研、教学等行业或部门。 : The present invention relates to a solid or liquid sulfur content of combustible material measured, in particular to a method of using the closed-loop method to extract samples for analysis by this method and a device designed primarily for coal, oil, chemical, power, research, teaching and other industries or sectors.
背景技术 BACKGROUND
：目前，现有技术领域内的定硫仪采用库仑法测定试样中的含硫量，试样在反应炉中燃烧后产生的二氧化硫气体通过与反应炉内腔相连的管路先进入过滤器内过滤，然后在电解池中滴定，根据电生碘和电生溴所消耗的电量来测定试样中硫的含量，测试过程中采用边燃烧边抽取气体的方式，气流量要求稳定，由于测定过程中需连续抽取气体，而气体浓度的时间分布是很不均匀的，因此，在气体浓度较低时，对传感器测头的敏感性要求高，难以进行精确的测定。 : Currently, fixed sulfur analyzer prior art in the field of using coulometry sample measuring sulfur content, sulfur dioxide gas produced by combustion in the reaction furnace after the sample through a duct connected to the reactor cavity into the filter the filter and then titrated electrolytic cell, according to electrophysiological iodine and bromine consumed raw electrical power to determine the content of sulfur in the sample, the test process used to extract the gas side of the combustion side of the way, the air flow required to stabilize, as measured Continuous process for an extraction gas, and gas concentration time profile is very uneven, and therefore, when the gas concentration is low, the sensitivity requirements of the sensor probe of high, difficult to precisely determined. 这种方法对传感器测头及气流稳定性要求较高，否则会影响测量的精确性。 This method of sensor probes and flow stability higher, otherwise it will affect the accuracy of the measurement.
发明内容 SUMMARY
：本发明所要解决的技术问题是克服上述现有技术的缺陷，提供一种对传感器测头及气流稳定性要求低，可精确测定试样中含硫量之闭路循环气体分析方法及装置。 : Technical problem to be solved by the present invention is to overcome the deficiencies of the prior art, to provide a sensor probe and flow stability requirements low, closed cycle gas analysis method and apparatus for the sulfur content of the sample can be accurately measured.
本发明的技术问题是通过下面的技术方案实现的。 Technical problem underlying the present invention is achieved by the following technical solution to achieve. 其特征在于它是通过在与试样反应炉相通的管路上设置测定用的电解池、过滤器和多个气室和多个气泵，并使电解池、过滤器、各气室和气泵与反应炉通过管路连接形成闭式回路，利用测控单元控制管路上所设的气阀和气泵的开启，从而使待测气体在管路和气室中循环，然后在闭路中抽取定容量的气体，通过测控单元进行比例换算，再根据电生碘和电生溴所消耗的电量，完成对试样中硫含量的测定。 Characterized in that it is in the pipeline through the reactor in communication with the sample measurement cell is provided, the filter and a plurality of chambers and a plurality of air pump, and the electrolytic cell, a filter, and pump air chambers and the reaction furnace to form a closed loop through the pipeline connection, use and control unit controls the pipeline set by opening the valve and pump, so that the test gas pipeline loop in the gas chamber, and then extract the gas in a closed fixed capacity by scaling and control unit, according to raw power of iodine and bromine consumed raw electrical power, to complete the determination of the sulfur content of the sample.
本发明根据上述方法所设计的装置包括反应炉、电解池、过滤器和测控单元，其特征在于所述反应炉炉膛内腔外接一连通管，依序与第一气室、第一气阀、第二气室、第二气阀、过滤器、电解池、第一气泵、第七气阀、第九气阀串接后进入反应炉炉膛内形成闭合回路；在第二气室进、出端，接有一旁通管，该管上设有第一气阀、第四气阀，两气阀之间接有第二气泵，该第二气泵与反应炉连通，同时通过第八气阀与废气处理装置连接。 The present invention is the above method comprises a reaction furnace according to the design of apparatus, the electrolytic cell, a filter, and monitoring and control unit, characterized in that the reaction furnace of a furnace external cavity communicating tube, sequentially with the first gas chamber, a first valve, a second air chamber, a second valve, filter, electrolytic cell, the first pump, a seventh valve, after the ninth valve in series to form a closed loop within the reac in the second air chamber inlet, an end , then there is a bypass pipe with the first valve on the tube, the fourth valve, indirectly, two valves of the second pump, the second pump in communication with the reactor, through the eighth valve and exhaust treatment device is connected. 在第二气室两端，还设有一个与其并列排列之第三气室。 At both ends of the second chamber, the chamber also has a third of its juxtaposed.
本发明采用闭式回路可使试样燃烧后的气体充分得到循环，可保证其整个气室和管路中气体浓度均匀一致，提高了测试的精确性，同时降低了传感器侧头的敏感性要求。 The present invention uses a closed loop allows the sample gas obtained after combustion of the full cycle, the gas concentration can be guaranteed throughout its gas chamber and pipeline uniform, to improve the accuracy of the test, while reducing the sensitivity requirements of the sensor side head .
附图说明 Brief Description
：图1为本发明装置实施例一示意图；图2为本发明装置实施例二示意图。 : Figure 1 is a schematic view of an embodiment appara Figure 2 is a schematic view of apparatus according to the invention in Example II.
图中：1-反应炉；
2-第一气室；
3-第一气阀；4-第二气阀
5-第三气阀
6-第二气室；7-第三气室
8-第四气阀
9-第五气阀；10-过滤器
11-第六气阀
12-电解池；13-第一气泵；
14-第七气阀
15-废气处理装置；16-第八气阀
17-第二气泵；
18-第九气阀；19-测控单元。 REFERENCE NUMERALS 1: 2- 3- 4- 5- second valve third valve 6- 7- 8- third chamber section four valve 9- 10- Filter 11- 12- sixth val 13- 14- 15- seventh valve exhaust ga 16- eighth valve 17 - T 18- 19- and control unit.
具体实施方式 DETAILED DESCRIPTION
：本申请人经过研究发现，现有库仑法采用试样边燃烧边抽取气体的测定方法，由于气体的流动是采用开式线路，因此，气体的浓度会很不均匀，因而会引起测试的不稳定。 : The Applicant has found that the current coulometry measuring method to extract gas samples side edge combustion gas flow is due to the use of open-circuit, therefore, the concentration of the gas will be very uneven, and therefore does not cause test stable. 本发明通过使燃烧后的气体在一封闭的回路中作循环流动，然后通过设置控制阀控制回路中气体的走向，可解决测试时气体浓度不均匀的问题，测定时仅抽取较少容量的气体即可，从而实现了本发明所要达到的技术效果。 The present invention, by making the gas after combustion as circulating in a closed circuit, and the control circuit to the gas control valve by setting, when the test gas concentration can solve the problem of uneven, only small-capacity gas extraction measured then, in order to achieve the present invention is to achieve a technical effect. 本发明具体方法是：设一连通管与试样反应炉相通，同时在该管路上设置一个或一个以上气室、气阀、过滤器、气泵和测定用的电解池，并使各气室、气阀、过滤器、气泵和电解池通过管路与反应炉形成闭式回路，反应炉内反应后所产生的气体可在该回路中流动，然后利用测控单元控制其管路上所设的气阀和气泵的开启，从而使待测气体在设定的管路上和气室中循环，然后在设定的气室中抽取定容量的气体，再通过测控单元对反应炉反应后所产生的气体总量和抽取的定容量气体体积进行比例换算，便可完成对试样中硫含量的测定。 Specific methods of the present invention is: a communication tube provided in communication with the sample reactor, while electrolytic cell provided with one or more air chambers, valves, filters, pumps and measuring in the pipeline, and each of the cells, valve, filter, pump and the electrolytic cell is formed with a closed loop through the pipe reactor, the gas produced by the reaction after the reaction furnace may flow in the circuit, and then use the control unit in which the pipeline control valve set by and the pump is turned on, so that the gas to be measured circulating in the pipe line is set in the gas chamber, and then extract a given volume of gas in the gas chamber set, by the control unit in the total amount of gas produced by the reaction after the reaction furnace Re and given the volume of gas extraction capacity will be scaling, you can complete the determination of the sulfur content of the sample.
本发明根据上述方法设计了一套完整的控制装置，图1展示了本发明的一个应用实施例，它包括反应炉1、电解池12、过滤器10和测控单元19，其特征在于在反应炉1炉膛内腔外接一连通管，依序与第一气室2、第二气阀4、第二气室6、第五气阀9、过滤器10、电解池12、第一气泵13、第七气阀14、第九气阀18串接后进入反应炉1炉膛内，形成闭合回路，燃烧后的气体可在该闭合回路中循环流动，以使其在处于任一位置时分布均匀。 The present invention is designed according to the method described above a complete control apparatus, Figure 1 shows an application of the present embodiment of the invention, which comprises a reaction furnace 1, the electrolytic cell 12, the filter 10 and the monitoring and control unit 19, characterized in that the reaction furnace an external cavity furnace a connecting pipe, sequentially from the first chamber 2, the second valve 4, the second chamber 6, the fifth valve 9, filter 10, the cell 12, the first pump 13, Seven valve 14, after the ninth valve 18 connected in series into the reactor chamber 1, to form a closed loop, the gas after combustion can circulate in the closed loop, so that it is in any position distribution. 其中第二气阀4可控制气体进入第二气室6内，第五气阀9为控制气体进入过滤器10的开关，第七气阀14、第九气阀18为控制管路循环回路的开关。 Wherein the second valve 4 can be controlled gas into the second gas chamber 6, the fifth control valve 9 for the gas entering the filter switch 10, the seventh valve 14, valve 18 for controlling the ninth line of the circulation circuit switch. 在第二气室6进、出端，还接有一旁通管，该管上设有第一气阀3、第四气阀8，两气阀之间接有第二气泵17，该第二气泵17与反应炉1连通，同时通过第八气阀16与废气处理装置15连接，当试样测定完毕后，可通过第二气泵17将管路和气室内气体抽取，由废气处理装置15排出，进入下一测试过程。 6 in the second chamber into and out of the end, there is a bypass pipe is also connected with the first valve 3 on the tube, the fourth valve 8, there are two valves of indirect second pump 17, the second pump 17 communicating with the reactor, while the eighth valve 16 and the exhaust gas treatment apparatus 15 is connected through, when the measurement sample is completed, the second pump 17 through the gas withdrawal conduit interior gas discharged from the exhaust gas treatment device 15, into the the next test procedure.
为避免闭合回路中空气压力过大产生的负压而导致气体在抽取时第一气泵13需要的功率太大，在第二气室6和电解池12入口端分别开设一分支管路，可与外界空气接通，该管路上分别装有第三气阀5和第六气阀11，由其控制其启闭。 To avoid the closed loop air pressure is too large negative pressure caused by gas generated in the first pump 13 when extracting the power needed too, opened a branch pipe, respectively 6 and 12 cell inlet end of the second chamber, with outside air is turned on, the pipeline were provided with a third valve 5 and the sixth valve 11, under the control of its opening and closing.
如图2所示，本发明为充分容纳气体，在第二气室6两端，还可设有一个与其并列排列之第三气室7。 2, the present invention is fully housed gas, at both ends of the second air chamber 6, may be provided with a third air chamber are arranged in parallel to the 7.
本发明工作过程：(1)先将反应炉1升温至恒温1150℃，同时保持管路内器件环境处于稳定状态，此时反应炉1炉门打开，试样送入炉膛内，第二气泵17开启，第二气阀4、第四气阀8、第九气阀18打开，其余气泵、气阀关闭；(2)将反应炉1炉门关闭，试样开始燃烧，这时，第二气泵17开启，第二气阀4、第四气阀8、第九气阀18打开，其余气泵、气阀关闭。 Operation of the present invention: (1) The first reactor 1 was heated to a constant temperature 1150 ℃, while maintaining the internal environment of the plumbing device in a steady state, the reactor 1 at this time the door is opened, the specimen into the furnace, the second pump 17 open, the second valve 4, the fourth valve 8, the ninth valve 18 is opened, the rest of the pump, (2) a reaction furnace door closure, the sample begins to burn, this time, the second pump 17 open, the second valve 4, the fourth valve 8, the ninth valve 18 is open, the rest of the pump, the valve is closed. 试样燃烧的气体在第二气泵17的作用下沿第一气室2、第二气室6进入反应炉1炉膛内形成循环，使第一气室2、第二气室6和整个管路中气体分布均匀；(3)试样燃烧完毕后，炉门打开，这时第二气泵17、第一气泵13开启，第三气阀5、第一气阀3、第八气阀16、第七气阀14、第五气阀9开启，第二气阀4、第四气阀8、第九气阀18关闭，置于第二气室6内之气体在第一气泵13的作用下经过滤器10过滤后进入电解池12滴定，通过测控单元19进行比例换算后测出其含硫量。 Sample combustion gases along the first gas chamber 2 under the action of the second pump 17, the second air chamber 6 into the reactor to form a loop within a chamber, the first chamber 2, the second chamber 6 and the entire pipel (3) after the sample combustion is completed, the door opens, then a second pump 17, the first pump 13 is turned on, the third valve 5, a first valve 3, the eighth valve 16, the first Seven valve 14, fifth valve 9 to open the second valve 4, the fourth valve 8, the ninth valve 18 is closed, placed within 6 gas in the role of the second chamber 13 through the first pump filter 10 filters into the titration cell 12, through monitoring and control unit 19 after scaling the measured sulfur content. 同时，第一气室2中的废气和测量完毕后的废气通过第二气泵17、第一气泵13进入废气处理装置15内排出，完成整个测定过程。 Meanwhile, the exhaust gas after the first chamber 2 and the exhaust gas and the measurement is completed by the second pump 17, the pump 13 enters the first exhaust gas treating apparatus 15 is discharged, to complete the measurement process.
本发明亦可应用在光谱、红外、电化学等分析仪中进行气体取样和气体成分分析。 The present invention may also be used in spectroscopy, infrared, electrochemical analyzer in the gas sampling and gas composition analysis.
*长沙三德实业有限公司High temp. combustion tube of infrared sulphur analysis instrument *长沙三德实业有限公司Automatic industrial analysis meter/sulfur determinator with gate control apparatus *长沙三德实业有限公司Volume fixing and closed loop cyclic gas analyzer of sulfur determiner *DEA Title not available *EP1000334A Title not available * Title not available *Kernforschungsanlage Julich GmbhElectrochemical gas analyzer for determination of sulphur dioxide content of gases *US Title not availableInternational Classification, , C06PublicationC10Request of examination as to substanceC14GrantedC17Cessation of patent rightRotate