CN201583437U - Test climatic chamber of release amount of volatile organic compound - Google Patents

Test climatic chamber of release amount of volatile organic compound Download PDF

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Publication number
CN201583437U
CN201583437U CN2009202101872U CN200920210187U CN201583437U CN 201583437 U CN201583437 U CN 201583437U CN 2009202101872 U CN2009202101872 U CN 2009202101872U CN 200920210187 U CN200920210187 U CN 200920210187U CN 201583437 U CN201583437 U CN 201583437U
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test
air
volatile organic
temperature
heater
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高启星
张福基
余志亚
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Shanghai Kelvte Environmental Technology Co., Ltd.
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Shanghai Kelvte Environmental Protection Technology Co Ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

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Abstract

The utility model discloses a test climatic chamber of the release amount of a volatile organic compound, which comprises a test bin, a humidifier, a second heater and an air pump. The test climatic chamber is characterized in that the test bin is a case, and a mineral wool thermal insulation jacket is arranged outside the test bin; an air jacket is arranged between the jacket and the test bin; a first fan, a first cooler, a first heater and a first temperature sensor are arranged in the air jacket; the case of the test bin is provided with an air inlet and a sampling port; a second fan, a second heater and a temperature and humidity sensor are arranged in the case; and the air inlet is respectively connected with the humidifier and the air pump provided with a filter and an air can. Compared with the prior art, the test climatic chamber has high thermal desorption temperature, simple control flow and convenient operation.

Description

一种挥发性有机化合物释放量测试气候箱 A climate chamber for testing the emission of volatile organic compounds

技术领域technical field

本实用新型涉及质量分析及检测技术领域，具体地说是一种挥发性有机物释放量测试气候箱。The utility model relates to the technical field of quality analysis and detection, in particular to a climate chamber for testing the emission of volatile organic compounds.

背景技术Background technique

目前，国内用于木制家具、装修材料等轻工业产品的挥发性有机化合物释放量的研究试验箱，箱体在检测样品前热解析过程温度较低，不能完全清除箱体内残留挥发性有机化合物，从而影响样品挥发性有机化合物释放量研究及评价。由于现有检测挥发性有机化合物释放量的研究试验箱，在控制方面一般都采用普通仪表型，操作使用起来很不方便，尤其对箱体实时环境控制的精度偏差较大，严重影响测试数据的正确性。At present, domestically used test chambers for research on the release of volatile organic compounds from light industrial products such as wooden furniture and decoration materials, the temperature of the thermal analysis process of the chamber before testing samples is low, and the residual volatile organic compounds in the chamber cannot be completely removed. Thus affecting the research and evaluation of the release of volatile organic compounds in the sample. Since the existing research test chambers for detecting the release of volatile organic compounds generally adopt ordinary instrument type in control, it is very inconvenient to operate and use, especially the precision deviation of the real-time environmental control of the chamber is relatively large, which seriously affects the accuracy of test data. correctness.

发明内容Contents of the invention

本实用新型的目的是针对现有技术的不足而设计的一种挥发性有机化合物释放量测试气候箱，它在测试仓的箱体外设置加热和冷却装置的气套，测试仓温度波动较小，对于热解析时，测试仓增加的附加热系统，可解决高温问题，本装置由PLC进行编程控制，自动化程度高，操作方便，检测的数据准确，从而对送检的测样品作出更正确的研究和客观评价。The purpose of this utility model is a kind of volatile organic compound emission test climate box designed for the deficiencies of the prior art. It is equipped with an air jacket of a heating and cooling device outside the box of the test cabin, and the temperature fluctuation of the test cabin is small. , for thermal analysis, the additional heat system added to the test chamber can solve the problem of high temperature. This device is programmed and controlled by PLC, with high degree of automation, convenient operation, and accurate detection data, so as to make more accurate inspection of the test samples. research and objective evaluation.

实现本实用新型目的的具体技术方案是：一种挥发性有机化合物释放量测试气候箱，包括测试仓、加湿器、第二加热器、气泵，其特点是测试仓为一箱体，外设矿物棉保温夹套，夹套与测试仓之间设有气套，气套内设有第一风机、第一冷却器、第一加热器、第一温度传感器；测试仓箱体上设有进气口、采样口，箱体内设有第二风机、第二加热器、温湿度传感器；进气口分别与加湿器和设有过滤器、气罐的气泵连接。The specific technical solution for realizing the purpose of this utility model is: a volatile organic compound release test climate box, including a test chamber, a humidifier, a second heater, and an air pump. It is characterized in that the test chamber is a box, and the peripheral mineral Cotton insulation jacket, an air jacket is set between the jacket and the test chamber, and the air jacket is equipped with a first fan, a first cooler, a first heater, and a first temperature sensor; the test chamber body is equipped with an air inlet A second fan, a second heater, and a temperature and humidity sensor are arranged in the box; the air inlet is respectively connected with a humidifier and an air pump provided with a filter and an air tank.

所述加湿器为填料塔，塔顶设有喷淋头，塔上部为填料层，塔下部为设有第三加热器、第二冷却器、第二温度传感器的水箱，水箱与喷淋头由设有循环泵的循环水管连接。The humidifier is a packed tower, the top of the tower is provided with a spray head, the upper part of the tower is a packing layer, and the lower part of the tower is a water tank with a third heater, a second cooler, and a second temperature sensor. A circulating water pipe connection with a circulating pump is provided.

所述第一温度传感器、温湿度传感器和第二温度传感器均由控制器实现PLC控制。The first temperature sensor, the temperature and humidity sensor and the second temperature sensor are all controlled by PLC through the controller.

所述第一冷却器、第二冷却器连接制冷单元由控制器实现PLC控制。The first cooler and the second cooler are connected to the refrigerating unit, and the controller implements PLC control.

本实用新型与现有技术相比具有热解析温度加热高，温度波动小，控制流程简单，使用、操作方便，测试数据更客观、正确。Compared with the prior art, the utility model has the advantages of high thermal analysis temperature heating, small temperature fluctuation, simple control process, convenient use and operation, and more objective and correct test data.

附图说明Description of drawings

图1为本实用新型结构示意图Fig. 1 is the structural representation of the utility model

具体实施方式Detailed ways

参阅附图1，本实用新型包括：测试仓1、加湿器9、第二加热器5、气泵17，测试仓1为一箱体，外设矿物棉保温夹套2，夹套2与测试仓1之间设有气套3，气套3内设有第一风机4、第一冷却器7、第一加热器8、第一温度传感器21；测试仓1箱体上设有进气口23、采样口28，箱体内设有第二风机6、第二加热器5、温湿度传感器22；进气口23分别与加湿器9、设有过滤器16、气罐15的气泵17连接。Referring to accompanying drawing 1, the utility model comprises: test chamber 1, humidifier 9, second heater 5, air pump 17, test chamber 1 is a casing, peripheral mineral wool insulation jacket 2, jacket 2 and test chamber 1 is provided with an air jacket 3, and the air jacket 3 is provided with a first fan 4, a first cooler 7, a first heater 8, and a first temperature sensor 21; the test chamber 1 is provided with an air inlet 23 , Sampling port 28, second fan 6, second heater 5, temperature and humidity sensor 22 are provided in the casing; Air inlet 23 is connected with humidifier 9, the air pump 17 that is provided with filter 16, air tank 15 respectively.

加湿器9为填料塔，塔顶设有喷淋头30，塔上部为填料层26，塔下部为设有第三加热器11、第二冷却器12、温度传感器31的水箱29，水箱29与喷淋头2由设有循环泵13的循环水管14连接。填料层26由设置在塔板上的填料组成，填料为瓷环或瓷管；水箱29上设有带自动报警器的液位计，水箱29内设有温控的第三加热器11、第二冷却器12、第二温度传感器31；加湿器9设有与喷淋头30、水箱29连接的循环水管14，循环水管14上设有循环泵13。加湿空气从加湿器9的塔顶出气口排出，由设有调节阀25的管路与进气口23连接。The humidifier 9 is a packed tower, the top of the tower is provided with a shower head 30, the upper part of the tower is a packing layer 26, and the lower part of the tower is a water tank 29 with a third heater 11, a second cooler 12, and a temperature sensor 31. The water tank 29 and The shower head 2 is connected by a circulating water pipe 14 provided with a circulating pump 13 . The packing layer 26 is composed of packing arranged on the tray, and the packing is a ceramic ring or a porcelain tube; the water tank 29 is provided with a liquid level gauge with an automatic alarm, and the water tank 29 is provided with a temperature-controlled third heater 11, the first The second cooler 12, the second temperature sensor 31; the humidifier 9 is provided with a circulating water pipe 14 connected with the spray head 30 and the water tank 29, and the circulating water pipe 14 is provided with a circulating pump 13. The humidified air is discharged from the air outlet at the top of the humidifier 9 and is connected to the air inlet 23 by a pipeline provided with a regulating valve 25 .

气泵17依次连接过滤器16、气罐15，气罐15出口管道上设有流量调节阀33、流量计32，气罐15出口分别与测试仓1、加湿器9连接。气罐15一出口由设有调节阀20、压力传感器24的管路与进气口23连接；另一出口由设有调节阀19的管路与加湿器9的水箱29连接。The air pump 17 is connected to the filter 16 and the gas tank 15 in turn. The outlet pipeline of the gas tank 15 is provided with a flow regulating valve 33 and a flow meter 32. The outlet of the gas tank 15 is connected with the test chamber 1 and the humidifier 9 respectively. One outlet of the air tank 15 is connected to the air inlet 23 by a pipeline provided with a regulating valve 20 and a pressure sensor 24 ; the other outlet is connected to the water tank 29 of the humidifier 9 by a pipeline provided with a regulating valve 19 .

第一温度传感器21、温湿度传感器22、压力传感器24、第二温度传感器31、流量调节阀33均由控制器18实现PLC控制。第一冷却器7、第二冷却器12连接制冷单元10由控制器18实现PLC控制。保温夹套2上设有观察视窗27，The first temperature sensor 21 , the temperature and humidity sensor 22 , the pressure sensor 24 , the second temperature sensor 31 , and the flow regulating valve 33 are all controlled by the controller 18 through PLC. The first cooler 7 and the second cooler 12 are connected to the refrigeration unit 10 and the controller 18 implements PLC control. The insulation jacket 2 is provided with an observation window 27,

以下将通过具体的实施例对本实用新型做进一步的阐述：The utility model will be further elaborated below by specific embodiments:

实施例1Example 1

本实用新型对挥发性有机化合物释放量的检测，其具体操作按下述步骤：The utility model detects the release amount of volatile organic compounds, and its specific operation is as follows:

a、首先关闭测试仓1的箱门，打开控制器18电源，将控制器18的触摸屏功能设置到解析附控制模式，设置测试仓1的箱内温度220～240℃、气套3内220～240℃保持时间、冲洗空气置换率4m3/h以及冲洗时间。a. First close the door of the test chamber 1, turn on the power of the controller 18, set the touch screen function of the controller 18 to the analytical attached control mode, set the temperature in the test chamber 1 to 220-240°C, and the temperature in the air jacket 3 to 220- 240°C holding time, flushing air replacement rate 4m 3 /h and flushing time.

b、装置启动运行：测试仓1内的第二加热器5、第二风机6开始工作，加热温度控制在220～240℃；气套3内第一加热器8、第一风机4开始工作，当测试仓1内温度低于130℃时，第一、第二加热器8、5同时工作，当测试仓1内温度高于130℃时第二加热器5工作，第一加热器8停止工作；b. Start-up of the device: the second heater 5 and the second blower 6 in the test chamber 1 start to work, and the heating temperature is controlled at 220-240°C; the first heater 8 and the first blower 4 in the air jacket 3 start to work, When the temperature in the test chamber 1 is lower than 130°C, the first and second heaters 8 and 5 work simultaneously; when the temperature in the test chamber 1 is higher than 130°C, the second heater 5 works, and the first heater 8 stops working ;

c、净化空气冲洗：空气由气泵17加压经过滤器16的过滤至气罐15储存，关闭调节阀19、25，开启调节阀20，调节流量调节阀33，使得流量计32显示的流量为4m3/h，气罐15内净化的空气由设有调节阀20的管路进入测试仓1，对其箱内进行冲洗。c. Clean air flushing: the air is pressurized by the air pump 17 and filtered by the filter 16 to the air tank 15 for storage, the regulating valves 19 and 25 are closed, the regulating valve 20 is opened, and the flow regulating valve 33 is adjusted so that the flow rate displayed by the flow meter 32 is 4m 3 /h, the air purified in the air tank 15 enters the test chamber 1 by the pipeline provided with the regulating valve 20, and flushes the inside of the chamber.

d、挥发性有机物释放量的测试：打开测试仓1的箱门，将测试板材(或木质家具)放入箱内，关闭箱门。将控制器18的触摸屏功能设置调到挥发性有机化合物释放量测试控制模式，设置测试仓1内温度、湿度、空气流速、空气置换率及运行时间。启动装置开始运行，第二、第一风机6、4、气泵17开始运行并设置流速。d. Test of volatile organic compound emission: open the door of the test chamber 1, put the test board (or wooden furniture) into the box, and close the door. Adjust the touch screen function setting of the controller 18 to the volatile organic compound release test control mode, and set the temperature, humidity, air flow rate, air replacement rate and running time in the test chamber 1. The starting device starts to run, and the second and first fans 6, 4, and the air pump 17 start to run and set the flow rate.

控制器18根据测试仓1的温度对气套3内的第一冷却器7、第一加热器8进行温度调控；控制器18根据测试仓1的湿度以及水箱29的第二温度传感器31对测试仓1内的湿度进行调控。Controller 18 carries out temperature regulation to the first cooler 7 in the air jacket 3, the first heater 8 according to the temperature of test chamber 1; The humidity in the warehouse 1 is regulated.

e、当测试仓1运行一段时间后，可以通过采样口28采集气体测定人造板(或木质家具)的挥发性有机物释放量及变化规律。e. After the test chamber 1 has been in operation for a period of time, the gas can be collected through the sampling port 28 to measure the release amount of volatile organic compounds of the wood-based panel (or wooden furniture) and its changing law.

本实用新型操作指标：The utility model operation index:

充气加热：温度范围为20～130℃；Inflatable heating: the temperature range is 20-130°C;

          温度波动范围±0.1k～±0.3kThe temperature fluctuation range is ±0.1k～±0.3k

          温度均匀度±0.1k～±0.5k    Temperature uniformity ±0.1k～±0.5k

          温度变化率：升温0.4k/min；降温0.3k/min     Temperature change rate: 0.4k/min for heating up; 0.3k/min for cooling down

湿度控制：湿度范围5％～95％Humidity control: Humidity range 5% to 95%

          露点温度5～60℃Dew point temperature 5～60℃

          湿度波动±1％～±3％Humidity fluctuation ±1%～±3%

空气交换率：每小时0.1～1.8倍箱体内体积Air exchange rate: 0.1 to 1.8 times the volume of the box per hour

解吸附参数：解吸附温度最高温度240℃Desorption parameters: the maximum desorption temperature is 240°C

            密闭试验腔内温度220～240℃The temperature in the airtight test chamber is 220～240℃

            箱体空气置换每小时4倍箱体内体积     The air replacement of the box is 4 times the volume of the box per hour

气密性：当有1000Pa的过压时，气体泄漏≤1×10-3m3/minAirtightness: When there is an overpressure of 1000Pa, the gas leakage is ≤1×10 -3 m 3 /min

本实用新型也可在采样口28连接在线化学分析器进行实时分析检测。In the present invention, the sampling port 28 can also be connected with an online chemical analyzer for real-time analysis and detection.

Claims (4)

1. a volatile organic compounds burst size is tested climate box, comprise test storehouse (1), humidifier (9), secondary heater (5), air pump (17), it is characterized in that testing storehouse (1) is a casing, peripheral hardware mineral wool insulation jacket (2), be provided with air-casing (3) between chuck (2) and the test storehouse (1), be provided with first blower fan (4), first refrigeratory (7), primary heater (8), first temperature sensor (21) in the air-casing (3); Test storehouse (1) casing is provided with air intake opening (23), thief hatch (28), is provided with second blower fan (6), secondary heater (5), Temperature Humidity Sensor (22) in the casing; Air intake opening (23) is connected with the air pump (17) that is provided with filtrator (16), gas tank (15) with humidifier (9) respectively.
2. according to the described volatile organic compounds burst size test of claim 1 climate box, it is characterized in that described humidifier (9) is a packed tower, cat head is provided with spray head (30), tower top is packing layer (26), the tower bottom is for being provided with the water tank (29) of the 3rd well heater (11), second refrigeratory (12), second temperature sensor (31), and water tank (29) is connected by the circulating water pipe that is provided with ebullator (13) (14) with spray head (2).
3. according to claim 1 or 2 described volatile organic compounds burst size test climate boxs, it is characterized in that described first temperature sensor (21), Temperature Humidity Sensor (22), second temperature sensor (31) are by controller (18) realization PLC control.
4. according to claim 1 or 2 described volatile organic matter burst size test climate boxs, it is characterized in that described first refrigeratory (7), second refrigeratory (12) connect refrigeration unit (10) and realize PLC control by controller (18).
CN2009202101872U 2009-09-25 2009-09-25 Test climatic chamber of release amount of volatile organic compound Expired - Fee Related CN201583437U (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102103073A (en) * 2011-02-17 2011-06-22 清华大学 Device for monitoring content of organic matters in circulating water in anti-explosion area on line
CN102494932A (en) * 2011-12-24 2012-06-13 东莞市升微机电设备科技有限公司 Volatile organic compound detection release cabin with low cost
CN102520740A (en) * 2011-12-24 2012-06-27 东莞市升微机电设备科技有限公司 Regulation device for water content of compressed air
CN102928235A (en) * 2012-11-12 2013-02-13 东莞市升微机电设备科技有限公司 Finished automobile volatile organic compound (VOC) test cabin circulation air channel structure
CN105973652A (en) * 2016-06-30 2016-09-28 东莞市升微机电设备科技有限公司 Closed cabin sampling system
CN106843337A (en) * 2017-03-22 2017-06-13 东莞市升微机电设备科技有限公司 Temperature rise and humidification control system and control method of constant temperature and humidity test chamber
CN107477789A (en) * 2017-08-22 2017-12-15 上海福轩环保科技有限公司 High temperature cooling method
RU2767152C2 (en) * 2017-12-08 2022-03-16 Дунгуань Сити Симплвел Текнолоджи Ко., Лтд Chamber for formaldehyde or voc release testing and pretreatment

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102103073A (en) * 2011-02-17 2011-06-22 清华大学 Device for monitoring content of organic matters in circulating water in anti-explosion area on line
CN102103073B (en) * 2011-02-17 2012-08-22 清华大学 Device for monitoring content of organic matters in circulating water in anti-explosion area on line
CN102494932A (en) * 2011-12-24 2012-06-13 东莞市升微机电设备科技有限公司 Volatile organic compound detection release cabin with low cost
CN102520740A (en) * 2011-12-24 2012-06-27 东莞市升微机电设备科技有限公司 Regulation device for water content of compressed air
CN102494932B (en) * 2011-12-24 2013-07-10 东莞市升微机电设备科技有限公司 Volatile organic compound detection release cabin
CN102928235A (en) * 2012-11-12 2013-02-13 东莞市升微机电设备科技有限公司 Finished automobile volatile organic compound (VOC) test cabin circulation air channel structure
CN102928235B (en) * 2012-11-12 2015-09-16 东莞市升微机电设备科技有限公司 Vehicle complete vehicle VOC test chamber circulation air duct structure
CN105973652A (en) * 2016-06-30 2016-09-28 东莞市升微机电设备科技有限公司 Closed cabin sampling system
CN106843337A (en) * 2017-03-22 2017-06-13 东莞市升微机电设备科技有限公司 Temperature rise and humidification control system and control method of constant temperature and humidity test chamber
CN106843337B (en) * 2017-03-22 2021-07-06 东莞市升微机电设备科技有限公司 Temperature and humidity control system and control method of constant temperature and humidity test chamber
CN107477789A (en) * 2017-08-22 2017-12-15 上海福轩环保科技有限公司 High temperature cooling method
RU2767152C2 (en) * 2017-12-08 2022-03-16 Дунгуань Сити Симплвел Текнолоджи Ко., Лтд Chamber for formaldehyde or voc release testing and pretreatment

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