CN202693567U - Environmental test chamber for detecting harmful substances in indoor environment decoration materials - Google Patents
Environmental test chamber for detecting harmful substances in indoor environment decoration materials Download PDFInfo
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- CN202693567U CN202693567U CN 201220353175 CN201220353175U CN202693567U CN 202693567 U CN202693567 U CN 202693567U CN 201220353175 CN201220353175 CN 201220353175 CN 201220353175 U CN201220353175 U CN 201220353175U CN 202693567 U CN202693567 U CN 202693567U
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Abstract
The utility model discloses an environmental test chamber for detecting harmful substances in indoor environment decoration materials. The environmental test chamber comprises a chamber body, a sample accommodation device, an air purification system, a low-temperature thermostat water bath boiler and a humidity control system, wherein air inlets, a sampling hole and an air outlet are formed in the wall of the chamber body, a temperature sensor and a humidity sensor are arranged on the wall, and a fan is arranged in the chamber body; the sample accommodation device is arranged in the chamber body, opposite to the fan and used for bearing to-be-detected decoration material test pieces; the air purification system is communicated with the humidity control system; and the humidity control system is respectively communicated with the air inlets of the chamber body. During use, air enters the chamber body through the air purification system, the humidity control system and the air inlets, absorbs the harmful substances released by the to-be-detected decoration material test pieces in the chamber body, is sampled at the sampling port and finally detected. The environmental test chamber is simple in structure, convenient to operate, low in cost and high in working efficiency.
Description
Technical field
The utility model relates to a kind of testing tool of harmful substance in decoration, specifically refers to the environmental test chamber that detects for indoor environment decorating and renovating material objectionable impurities.
Background technology
In recent years, living standards of the people improve day by day, and furniture pattern and kind are also more and more abundant, and what bring is increasingly serious indoor environment crisis thereupon.These decorating and renovating materials can discharge a large amount of TVOC and formaldehyde, and deenergized period is long, the material that has even sustained release.Therefore, how accurately to weigh decorating and renovating material has just become the Indoor Environment Detection industry on the impact of indoor environment focus and emphasis research field.At present, the detection method of burst size of methanal mainly is perforation method and exsiccator method in wood-based plate and the goods thereof.So-called exsiccator method, actual is that one group of test specimen fixedly is placed in the exsiccator that is placed with the distilled water crystallizing dish 24 hours with metal support, because, formaldehyde absorbs enrichment once the distilled water that discharges the device bottom that is dried at once in the test specimen, so that the airborne concentration of formaldehyde in top is in reduced levels in the exsiccator always, this just is conducive to the further release of test specimen formaldehyde.And the perforation rule directly uses toluene solution in the situation of ebuillition of heated the formaldehyde in the broken test specimen to be extracted especially, and redistillation absorbs with distilled water.Can find out, these two kinds of methods especially perforation method measured be that the release of formaldehyde is limited the quantity of in the artificial board, with the burst size of artificial board formaldehyde in the actual inhabitation situation very large difference is arranged, only have reference, can not provide strong support for actual evaluation Indoor Air after Decoration quality.And environmental test chamber generally is to be made by inert material, the impact that compiles effect is very little, and the environmental parameter in the cabin can accurately be controlled, and can simulate the indoor climate environment near true living conditions, more can reflect the release rule of nuisance in wood-based plate under the living environment and the goods thereof.The environmental testing method is to detect, study the only selection of this type of TVOC and formaldehyde releasable material.
The utility model content
The purpose of this utility model provides the environmental test chamber that detects for indoor environment decorating and renovating material objectionable impurities, and this environmental test chamber is simple in structure, easy to operate, with low cost, high efficiency.
Above-mentioned purpose of the present utility model realizes by the following technical solutions: be used for the environmental test chamber that indoor environment decorating and renovating material objectionable impurities detects, it is characterized in that: described environmental test chamber comprises the cabin body, laying out apparatus, air cleaning system, cryogenic thermostat water-bath and moisture control system, the bulkhead of described cabin body offers air intake opening, thief hatch and gas outlet, temperature sensor and humidity sensor also are installed on the bulkhead, body inside, cabin is equipped with fan, described laying out apparatus also is installed in the body of cabin, and the installation site of laying out apparatus is in the face of fan, described laying out apparatus is used for support decorating and renovating material test specimen to be detected, described air cleaning system and moisture control system are connected, moisture control system is connected with the air intake opening of cabin body, air is through air cleaning system, enter behind moisture control system and the air intake opening in the body of cabin, in the body of cabin, absorb the objectionable impurities that the decorating and renovating material test specimen discharges, then after the thief hatch sampling, detect.
In the utility model, described air cleaning system comprises air compressor, the first rotor flowmeter, discolour silica gel drying tube and the activated carbon tube that links to each other successively, the gas outlet of activated carbon tube is communicated with moisture control system, and air enters moisture control system behind activated carbon tube.
In the utility model, described moisture control system comprises Drexel bottle, the second spinner-type flowmeter and the gas mixing bottle that links to each other successively, described Drexel bottle soaks in described cryogenic thermostat water-bath, out gas is divided into two-way behind activated carbon tube, one the tunnel directly enters gas mixing bottle, another road enters gas mixing bottle and mixes behind Drexel bottle, the second spinner-type flowmeter, the gas outlet of described gas mixing bottle is communicated with the air intake opening of cabin body, enters the cabin body at the mixed gas of gas mixing bottle through air intake opening.
In the utility model, described laying out apparatus is the setting-out frame of a frame shape, and this setting-out frame is provided with a plurality of for the fixing sample bayonet socket of decorating and renovating material test specimen.
In the utility model, described air intake opening is three, and three air intake openings are connected with moisture control system respectively, and gas is divided into three the tunnel after by three air intake openings and enters in the body of cabin.
In the utility model, this environmental test chamber also comprises illuminator, and this illuminator is comprised of the fluorescent tube that is installed in the transparent organic glass on the body of cabin and be installed in the body of cabin.
In the utility model, described fan is two, and two desk fans are placed side by side on the opposite of laying out apparatus.
In the utility model, the rotating speed of described fan is in 600 ~ 700r/min scope.
Environmental test chamber of the present utility model utilizes mutual collocation between each control system with internal environment Reality simulation house, cabin living environment, and temperature, humidity and air exchange rate can be regulated according to the GB requirement of experiment.This utility model inside has special sheet material test specimen apparatus for placing to cooperate adjustable speed low speed fan, can guarantee that the air by the test specimen surface is uniform laminar flow, more is conducive to the release of objectionable impurities in the test specimen; This special device is detachable simultaneously, and is smooth in the dismounting rear deck, is conducive to the soft samples such as lay carpet.Do not contain the cementing agent of filling agent and release organic compound itself in the test chamber structure, adopting the electropolishing stainless steel is inner surface material, and inner wall smooth is without suction-operated, without chemical reactivity.On the body door of cabin an observation window is arranged, the observation window place is equipped with good the sealing without adsorbability of impermeability.The cabin body possesses air intake and air out, the temperature and humidity detector.
Each components and parts of simple and easy environmental test chamber are to connect like this: air compressor links to each other with the drying tube that discolour silica gel is housed after regulating through the first rotor flowmeter, drying tube links to each other with the purification pipe that activated charcoal is housed, gas circuit is divided into two after purifying, one gas circuit links to each other with Drexel bottle in the cryogenic thermostat water-bath, the gas circuit of Drexel bottle is connected with the second spinner-type flowmeter, another gas circuit directly links to each other with gas mixer before the air inlet, in mixing arrangement, mix with out gas from purification pipe from spinner-type flowmeter gas out, this installs similar condenser pipe, can utilize the thermostatted water outer loop in the cryogenic thermostat water-bath to make air inlet constant temperature, mixing arrangement has three gas outlets to link to each other respectively at three air intake openings of cabin body, one side of cabin body is equipped with two adjustable speed low speed fans and temperature digital display sensor and humidity sensor, and opposite side has thief hatch.
Compared with prior art, environmental test chamber of the present utility model utilizes mutual collocation between each control system with internal environment Reality simulation house, cabin living environment, and temperature, humidity and air exchange rate can be regulated according to the GB requirement of experiment.Temperature adopts combination of inner and outside control mode in the body of cabin, utilize first room conditioning control indoor environment temperature, consistent with environment temperature to guarantee the test chamber temperature, avoid cabin inwall knot mist, inner temperature control is finished with the cryogenic thermostat water-bath, guarantees that further intake air temperature meets the requirements.In addition, this utility model inside has special sheet material test specimen apparatus for placing to cooperate adjustable speed low speed fan, can guarantee that the air by the test specimen surface is uniform laminar flow, more is conducive to the release of objectionable impurities in the test specimen; This special device is detachable simultaneously, and is smooth in the dismounting rear deck, is conducive to the soft samples such as lay carpet; Observe for convenient experiment, a day pass fluorescent tube illuminator also has been installed in the body of cabin.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Fig. 1 is the one-piece construction synoptic diagram of the utility model environmental test chamber;
Fig. 2 is the structural representation of the laying out apparatus in the utility model environmental test chamber.
Description of reference numerals
1, cabin body; 2, air compressor; 3, the first rotor flowmeter; 4, discolour silica gel drying tube; 5, activated carbon tube; 6, cryogenic thermostat water-bath; 7, Drexel bottle; 8, the second spinner-type flowmeter; 9, gas mixing bottle; 10, air intake opening; 11, temperature sensor; 12, humidity sensor; 13, fan; 14, thief hatch; 15, gas outlet; 16, fluorescent tube; 17, setting-out frame; 18, decorating and renovating material test specimen; 19, sample bayonet socket; 20, air-conditioning; 21, transparent organic glass
Embodiment
Such as Fig. 1, the environmental test chamber that is used for the detection of indoor environment decorating and renovating material objectionable impurities shown in Figure 2, environmental test chamber comprises cabin body 1, laying out apparatus, air cleaning system, cryogenic thermostat water-bath 6 and moisture control system, the bulkhead of cabin body 1 offers air intake opening 10, thief hatch 14 and gas outlet 15, temperature sensor 11 and humidity sensor 12 also are installed on the bulkhead, body 1 inside in cabin is equipped with fan 13, laying out apparatus also is installed in the cabin body 1, and the installation site of laying out apparatus is in the face of fan 13, fan 13 is two, two desk fans 13 are placed side by side on the opposite of laying out apparatus, the diameter of fan 13 is 10cm, the working speed of fan 13 is 700r/min, fan 13 adopts adjustable speed low speed fan, can guarantee that the air velocity by decorating and renovating material test specimen 18 surfaces is 0.3m/s, laying out apparatus 17 is used for support decorating and renovating material test specimen 18 to be detected, and guarantee that the air by test specimen 18 surfaces is laminar flow, more be conducive to the release of decorating and renovating material test specimen 18 interior objectionable impuritiess, air cleaning system and moisture control system are connected, moisture control system is connected with the air intake opening 10 of cabin body 1, air is through air cleaning system, enter in the cabin body 1 behind moisture control system and the air intake opening 10, then objectionable impurities in that body 1 interior absorption decorating and renovating material test specimen in cabin discharges detects after thief hatch 14 samplings.Thief hatch 14 can dock the air sampler sampling, utilizes spectrophotometer or gas chromatography that gas in the body of cabin is analyzed.When the needs Parallel Sampling, can flexibly gas outlet 15 also be used as thief hatch.Gas outlet 15 external wash bottles are to giving vent to anger through the row purified treatment.
The test chamber body 1 of present embodiment environmental test chamber adopts the electrochemical polish stainless steel, the volume of cabin body 1 is 1500mm (L) * 1000mm (W) * 700mm (H) m3, and hatch door is equipped with without adsorbing rubber packing material air tight in order to guarantee the cabin.For guaranteeing the fully mixed of cabin internal gas, two small-sized adjustable low speed fans 13 are equipped with in inside, cabin.
Air cleaning system in the present embodiment comprises air compressor 2, the first rotor flowmeter 3, discolour silica gel drying tube 4 and the activated carbon tube 5 that links to each other successively, the gas outlet of activated carbon tube 5 is communicated with moisture control system, and air enters moisture control system behind activated carbon tube 5.Present embodiment utilizes small oil-free air compressor 2 will test room air and enters gas pipeline through overcompression, utilizes the control of the first rotor flowmeter and regulates the air input, to keep constant air input and corresponding cabin body air exchange rate.The first rotor flowmeter is with gas admittance valve, can regulating and controlling and read the airshed size.
Moisture control system in the present embodiment comprises Drexel bottle 7, the second spinner-type flowmeter 8 and the gas mixing bottle 9 that links to each other successively, Drexel bottle 7 soaks in cryogenic thermostat water-bath 6, out gas is divided into two-way behind activated carbon tube 5, one the tunnel directly enters gas mixing bottle 9, another road enters gas mixing bottle 9 and mixes behind Drexel bottle 7, the second spinner-type flowmeter 8, the gas outlet of gas mixing bottle 9 is communicated with the air intake opening 10 of cabin body 1, enters cabin body 1 at gas mixing bottle 9 mixed gases through air intake opening 10.Drexel bottle 7 adopts drainage to change gas humidity, and then changes cabin body internal relative humidity.The gas that enters the cabin body passes through respectively discolour silica gel drying tube 4 and activated carbon tube 5 from small oil-free air compressor 2, farthest gas is carried out drying, wherein one road gas changes gas humidity by the Drexel bottle 7 absorption moisture of in-built distilled water again, plays humidification.Gas behind the humidification and dry gas are mixed in gas mixing bottle 9, and the air-flow that obtains certain relative humidity directly enters the cabin body.The rh value of the method in not only can the control cabinet body, and can change the relative humidity that enter cabin body gas by the airshed ratio that changes dried moisture road, and then change relative air humidity value in the body of cabin.Be furnished with temperature digital display sensor 11, humidity sensor 12 in the body of cabin and can monitor at any time temperature and humidity situation in the body of cabin.
Laying out apparatus in the present embodiment is the setting-out frame 17 of a frame shape, this setting-out frame 17 is over against small-sized fans, it is of a size of 600mm (L) * 500mm (W) * 300mm (H), this setting-out frame 17 is provided with a plurality of for the fixing sample bayonet socket 19 of decorating and renovating material test specimen, air intake opening 10 is three, three air intake openings 10 are connected with moisture control system respectively, and gas is divided into three the tunnel after by three air intake openings 10 and enters in the cabin body 1.
In the present embodiment, cryogenic thermostat water-bath 6 room conditionings 20 form inside and outside two temperature control system, abandoned and utilized separately thermostat to regulate the deficiency of temperature in the control cabinet, extravehicular environment temperature control and cabin temp device are organically combined, make the gas temperature of the specimen surface of flowing through consistent with actual cabin temperature, and occur the phenomenon of water vapor condensation when having avoided experiment on the bulkhead.Indoor air-conditioning 20 is controlled at room temperature about 25 ℃ at first by experiment; Utilize in addition the outer circulation precision low-temp thermostat water bath 6 that carries in the minienvironment test chamber to carry out temperature control, the control accuracy of this cryogenic thermostat water-bath is 0.5 ℃, intake air temperature in the cabin can be controlled at-5～100 ℃.
This test chamber has adopted the array mode of " low speed fan technology " and " porous air intake opening technology " in design.Also having designed " constant temperature-mixing " dual-purpose special glass instrument before air intake opening is gas mixing bottle 9 before the air inlet, this gas mixing bottle 9 is the condenser pipe principle of work: internal ventilation, the outside water that can lead in the cryogenic thermostat water-bath is used for constant temperature, one end is two Interface design, connect respectively dry, humidification two-way gas, another section is three Interface design, the gas after " constant temperature-mixing " is divided into three the tunnel sends in the test chamber.Secondly, test chamber inside also is equipped with the low speed fan of two adjustable speeds, and this fan is except providing the gas that also can further make the surface wind speed in the cabin to mix for specimen.
For making things convenient for experimental observation, this environmental test chamber also comprises illuminator, and this illuminator is comprised of the fluorescent tube 16 that is installed in the transparent organic glass 21 on the cabin body 1 and be installed in the cabin body 1.
The rotating speed of the fan 13 in the present embodiment can be regulated in 600 ~ 700r/min scope, guarantees that air velocity by decorating and renovating material test specimen 18 surfaces is about 0.1m/s-0.3m/s and gets final product.
Claims (8)
1. be used for the environmental test chamber that indoor environment decorating and renovating material objectionable impurities detects, it is characterized in that: described environmental test chamber comprises cabin body (1), laying out apparatus, air cleaning system, cryogenic thermostat water-bath (6) and moisture control system, the bulkhead of described cabin body (1) offers air intake opening (10), thief hatch (14) and gas outlet (15), temperature sensor (11) and humidity sensor (12) also are installed on the bulkhead, cabin body (1) inside is equipped with fan (13), described laying out apparatus also is installed in the cabin body (1), and the installation site of laying out apparatus is in the face of fan (13), described laying out apparatus is used for support decorating and renovating material test specimen to be detected, described air cleaning system and moisture control system are connected, moisture control system is connected with the air intake opening (10) of cabin body (1), air is through air cleaning system, enter behind moisture control system and the air intake opening (10) in the cabin body (1), in cabin body (1), absorb the objectionable impurities that the decorating and renovating material test specimen discharges, then after thief hatch (14) sampling, detect.
2. the environmental test chamber that detects for indoor environment decorating and renovating material objectionable impurities according to claim 1, it is characterized in that: described air cleaning system comprises air compressor (2), the first rotor flowmeter (3), discolour silica gel drying tube (4) and the activated carbon tube (5) that links to each other successively, the gas outlet of activated carbon tube (5) is communicated with moisture control system, and air enters moisture control system behind activated carbon tube (5).
3. the environmental test chamber that detects for indoor environment decorating and renovating material objectionable impurities according to claim 2, it is characterized in that: described moisture control system comprises the Drexel bottle (7) that links to each other successively, the second spinner-type flowmeter (8) and gas mixing bottle (9), described Drexel bottle (7) soaks in described cryogenic thermostat water-bath (6), out gas is divided into two-way behind activated carbon tube (5), one the tunnel directly enters gas mixing bottle (9), another road is through Drexel bottle (7), entering gas mixing bottle (9) behind the second spinner-type flowmeter (8) mixes, the gas outlet of described gas mixing bottle (9) is communicated with the air intake opening (10) of cabin body (1), enters cabin body (1) at the mixed gas of gas mixing bottle (9) through air intake opening (10).
4. according to claim 1 to 3 each described environmental test chambers for the detection of indoor environment decorating and renovating material objectionable impurities, it is characterized in that: described laying out apparatus is the setting-out frame (17) of a frame shape, and this setting-out frame (17) is provided with a plurality of for the fixing sample bayonet socket (19) of decorating and renovating material test specimen.
5. according to claim 1 to 3 each described environmental test chambers for the detection of indoor environment decorating and renovating material objectionable impurities, it is characterized in that: described air intake opening (10) is three, three air intake openings (10) are connected with moisture control system respectively, and gas is divided into three the tunnel after by three air intake openings (10) and enters in the cabin body (1).
6. according to claim 1 to 3 each described environmental test chambers for the detection of indoor environment decorating and renovating material objectionable impurities, it is characterized in that: this environmental test chamber also comprises illuminator, and this illuminator is comprised of the fluorescent tube (16) that is installed in the transparent organic glass (21) on the cabin body (1) and be installed in the cabin body (1).
7. according to claim 1 to 3 each described environmental test chambers for the detection of indoor environment decorating and renovating material objectionable impurities, it is characterized in that: described fan (13) is two, and two desk fans (13) are placed side by side on the opposite of laying out apparatus.
8. the environmental test chamber that detects for indoor environment decorating and renovating material objectionable impurities according to claim 7, it is characterized in that: the rotating speed of described fan (13) is in 600 ~ 700r/min scope.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220353175 CN202693567U (en) | 2012-07-19 | 2012-07-19 | Environmental test chamber for detecting harmful substances in indoor environment decoration materials |
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| CN 201220353175 CN202693567U (en) | 2012-07-19 | 2012-07-19 | Environmental test chamber for detecting harmful substances in indoor environment decoration materials |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103529172A (en) * | 2013-10-24 | 2014-01-22 | 杨奠基 | Method and device for demonstrating formaldehyde release amount of decorative materials in stores and device thereof |
| CN103645063A (en) * | 2013-12-07 | 2014-03-19 | 河南省建筑科学研究院有限公司 | Environmental test chamber system |
| CN105987986A (en) * | 2015-02-09 | 2016-10-05 | 山西亮龙涂料有限公司 | Device for detecting air cleaning capability of coated material |
| CN106680438A (en) * | 2017-03-02 | 2017-05-17 | 中国家用电器研究院 | Device and method for detecting volatile substances produced by household appliance |
| CN106770945A (en) * | 2016-12-12 | 2017-05-31 | 山东省产品质量检验研究院 | Passenger car in-car air and furniture harmful substance burst size detection platform |
| CN107917824A (en) * | 2017-10-24 | 2018-04-17 | 天津大学 | A kind of low pressure in minienvironment cabin adjusts the method for sampling and device |
| CN108131775A (en) * | 2018-01-16 | 2018-06-08 | 杭州蓝山环保科技有限公司 | The adjusting method and device of indoor organic matter rate of release |
| CN109142352A (en) * | 2018-07-16 | 2019-01-04 | 同济大学 | A kind of photocatalysis road surface tail gas degradation indoor and outdoor detection device |
| WO2019109374A1 (en) * | 2017-12-06 | 2019-06-13 | 东莞市升微机电设备科技有限公司 | Harmful substance testing device having internal air circulation device |
| CN109884254A (en) * | 2019-03-20 | 2019-06-14 | 泰宏建设发展有限公司 | For detecting the simulation laboratory and application method of the pernicious gas amount of precipitation of plate and furniture |
| CN109946248A (en) * | 2019-03-08 | 2019-06-28 | 北京师范大学 | A kind of system and method and device for predicting indoor formaldehyde concentration |
| WO2019140543A1 (en) * | 2018-01-16 | 2019-07-25 | 浙江蓝山环保科技有限公司 | Method and device for regulating release rate of indoor organic matters |
| CN110824116A (en) * | 2019-11-28 | 2020-02-21 | 河北雄安绿研检验认证有限公司 | Rapid detection device for VOCs release rate of material and application |
| CN111983079A (en) * | 2020-08-19 | 2020-11-24 | 黑龙江省能源环境研究院 | Device for displaying volatilization rate and volatilization level of harmful substances in decoration and finishing materials |
| CN113588873A (en) * | 2021-07-05 | 2021-11-02 | 新乡医学院 | Device and method for measuring natural HBCD release rate in building exterior wall thermal insulation material |
| CN113640282A (en) * | 2021-08-23 | 2021-11-12 | 安徽省汉博科技有限公司 | Device and method for testing harmful substances in furniture board |
-
2012
- 2012-07-19 CN CN 201220353175 patent/CN202693567U/en not_active Expired - Fee Related
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103529172A (en) * | 2013-10-24 | 2014-01-22 | 杨奠基 | Method and device for demonstrating formaldehyde release amount of decorative materials in stores and device thereof |
| CN103645063A (en) * | 2013-12-07 | 2014-03-19 | 河南省建筑科学研究院有限公司 | Environmental test chamber system |
| CN105987986A (en) * | 2015-02-09 | 2016-10-05 | 山西亮龙涂料有限公司 | Device for detecting air cleaning capability of coated material |
| CN105987986B (en) * | 2015-02-09 | 2018-07-27 | 山西亮龙涂料有限公司 | Equipment for the air purification ability for testing coating material |
| CN106770945A (en) * | 2016-12-12 | 2017-05-31 | 山东省产品质量检验研究院 | Passenger car in-car air and furniture harmful substance burst size detection platform |
| CN106770945B (en) * | 2016-12-12 | 2024-01-23 | 山东省产品质量检验研究院 | Platform for detecting release amount of harmful substances in air and furniture in passenger car |
| CN106680438A (en) * | 2017-03-02 | 2017-05-17 | 中国家用电器研究院 | Device and method for detecting volatile substances produced by household appliance |
| CN107917824A (en) * | 2017-10-24 | 2018-04-17 | 天津大学 | A kind of low pressure in minienvironment cabin adjusts the method for sampling and device |
| WO2019109374A1 (en) * | 2017-12-06 | 2019-06-13 | 东莞市升微机电设备科技有限公司 | Harmful substance testing device having internal air circulation device |
| WO2019140543A1 (en) * | 2018-01-16 | 2019-07-25 | 浙江蓝山环保科技有限公司 | Method and device for regulating release rate of indoor organic matters |
| CN108131775A (en) * | 2018-01-16 | 2018-06-08 | 杭州蓝山环保科技有限公司 | The adjusting method and device of indoor organic matter rate of release |
| CN109142352A (en) * | 2018-07-16 | 2019-01-04 | 同济大学 | A kind of photocatalysis road surface tail gas degradation indoor and outdoor detection device |
| CN109946248A (en) * | 2019-03-08 | 2019-06-28 | 北京师范大学 | A kind of system and method and device for predicting indoor formaldehyde concentration |
| CN109884254A (en) * | 2019-03-20 | 2019-06-14 | 泰宏建设发展有限公司 | For detecting the simulation laboratory and application method of the pernicious gas amount of precipitation of plate and furniture |
| CN110824116A (en) * | 2019-11-28 | 2020-02-21 | 河北雄安绿研检验认证有限公司 | Rapid detection device for VOCs release rate of material and application |
| CN111983079A (en) * | 2020-08-19 | 2020-11-24 | 黑龙江省能源环境研究院 | Device for displaying volatilization rate and volatilization level of harmful substances in decoration and finishing materials |
| CN111983079B (en) * | 2020-08-19 | 2022-06-21 | 黑龙江省能源环境研究院 | Device for displaying volatilization rate and volatilization level of harmful substances in decoration and finishing materials |
| CN113588873A (en) * | 2021-07-05 | 2021-11-02 | 新乡医学院 | Device and method for measuring natural HBCD release rate in building exterior wall thermal insulation material |
| CN113640282A (en) * | 2021-08-23 | 2021-11-12 | 安徽省汉博科技有限公司 | Device and method for testing harmful substances in furniture board |
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Address after: 510500 No. 121 martyrs East Road, Guangzhou, Guangdong, Tianhe District Patentee after: Guangdong Construction Academy Group Plc Address before: 510500 martyrs East Road, Guangdong, Guangzhou No. 121 Patentee before: Guangdong Prov. Inst. of Building Science |
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Granted publication date: 20130123 Termination date: 20190719 |