CN201780265U - Small-size environmental test chamber for pollutant release research - Google Patents
Small-size environmental test chamber for pollutant release research Download PDFInfo
- Publication number
- CN201780265U CN201780265U CN2010201949162U CN201020194916U CN201780265U CN 201780265 U CN201780265 U CN 201780265U CN 2010201949162 U CN2010201949162 U CN 2010201949162U CN 201020194916 U CN201020194916 U CN 201020194916U CN 201780265 U CN201780265 U CN 201780265U
- Authority
- CN
- China
- Prior art keywords
- test chamber
- air
- gas
- cabin body
- minienvironment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model relates to a small-size environmental test chamber for pollutant release research, comprising a chamber body, an air generation system, a temperature and humidity control system, a sampling system and an air purifying device. An approximate real space can be simulated by utilizing the small-size environmental test chamber, the exchange rate of temperature, humidity and air inside the chamber body can be controlled according to test conditions, and the small-size environmental test chamber has low cost and is easy to operate; and in addition, the chamber body is provided with the air purifying device which can be used for purifying air samples positioned on an air inlet and an air outlet to enhance the test conditions so as to be beneficial to acquiring real and reliable test data and preventing indoor air from being polluted.
Description
Technical field
The utility model relates to a kind of minienvironment test chamber that is used for the pollutant releasing research, particularly relates to the minienvironment test chamber of volatile matter releasing research in the decorating and renovating material, belongs to the proving installation technical field.
Background technology
At present IAQ (indoor air quality) is generally not good, and people healthy had very big threat.With regard to China is present, cause that the main reason of room air pollution is because bad finishing has promptly used some indoor decorating materials that contain a large amount of objectionable impuritiess such as formaldehyde, volatile organic compounds etc. in fitment process.Considering diversity, trace and the cumulative bad of indoor pollutant, is main means to the research in indoor pollution source with the modeling effort of environmental test chamber.
China's (application number) patent No. 200520047927 " a kind of weather humiture analogue means of indoor environment testing cabinet " discloses a kind of weather humiture analogue means of indoor environment testing cabinet, by blower fan, refrigeration coil, heating coil, humidifier is formed, it is characterized in that: described said modules is according to the air-flow working direction, press refrigeration coil, heating coil, putting in order of humidifier links together, form the climatic simulation device, both can realize the simulation of the humiture environment under the general normal climate condition, and can also realize the high temperature low humidity, this relatively usefulness of the simulation of special climate environment of low temperature and high relative humidity.
This environmental test chamber body exists size big and do not have particular provisions, do not need to set up, do not relate to according to building module deficiency such as air cleaning unit.At first body size in cabin is set up not according to building module, and simulates real real space gap strengthens, and size is big, mainly is used in the research of pollutant in the furniture; It two does not do purified treatment for air intake opening gas, may cause in the body of cabin background concentration excessive or the fluctuation situation is serious, the test figure confidence level descends, and gas outlet gas is not done purified treatment, then room air is polluted, and then air in the body of secondary pollution cabin.
Summary of the invention
The purpose of this utility model provides a kind of minienvironment test chamber that is used for the pollutant releasing research, this environmental test chamber can be simulated contaminated indoor environment well, can be implemented under the unified test condition, to the release experiment Analysis of volatile injurant matter in the decorating and renovating material, for the pollutant situation of effective evaluation decorating and renovating material provides condition.
The utility model is achieved through the following technical solutions:
This minienvironment test chamber comprises: cabin body, air generation systems, temperature and humidity control system, sampling system and air cleaning unit, the cementing agent that does not contain filling agent and release organic compound itself in the minienvironment test chamber structure, adopting the electropolishing stainless steel is inner surface material, inner wall smooth does not have suction-operated, no chemical reactivity.On the body door of cabin an opening part is arranged, the good no adsorbability of opening part equipment impermeability is sealed, so that pack testing sample and cleaning into.The cabin body possesses air intake and air out, the temperature and humidity detector.
Each components and parts of minienvironment test chamber are to connect like this: air pump links to each other with the drying tube that discolour silica gel is housed, drying tube links to each other with the purification pipe that activated charcoal is housed, the gas circuit of purification pipe is divided into two, one gas circuit links to each other with Drexel bottle in the constant temperature oven, the gas circuit of Drexel bottle is connected with spinner-type flowmeter, another gas circuit of purification pipe directly links to each other with constant temperature oven, the gas that comes out from spinner-type flowmeter mixes in constant temperature oven with the gas that comes out from purification pipe, the air intake opening of constant temperature oven bottom links to each other with the cabin body, one side of cabin body is equipped with low speed fan and digital display humiture instrument, opposite side has thief hatch, and the bottom of cabin body is furnished with a plurality of gas outlets, and the gas outlet is connected with purification pipe.
The beneficial effects of the utility model are:
Utilize the simulation of minienvironment test chamber near real space, temperature, humidity, air exchange rate can be controlled according to experiment condition in the body of cabin, and cost is low, and be simple to operate; The cabin body possesses purification plant simultaneously, can purify air intake opening and gas outlet air sample, and the lifting test condition helps to obtain true and reliable test figure, and avoids room air is polluted.
Description of drawings
Accompanying drawing is the minienvironment test chamber synoptic diagram that is used for the pollutant releasing research.
1 air pump, 2 drying tubes (discolour silica gel), 3 purification pipes (activated charcoal), 4 Drexel bottles, 5 constant temperature ovens, 6 spinner-type flowmeters, 7 air intake openings, 8 low speed fans, 9 warm and humid probe 10 cabin bodies 11 thief hatch 12 gas outlets, 13 purification pipes (activated charcoal) among the figure
Specific embodiment
(1) the experimental cabin body 10
Simulate true room as far as possible according to building module, cabin body (10) internal volume 1m * 1m * 0.6m; Cabin body material selection double mirror stainless steel material liner foamed material is made, and guarantees inner no adsorbability and self no gas pollutant release and certain thermal and insulating performance is arranged.Cabin body design has air intake opening (7) and gas outlet (12) and gaseous sample acquisition port (11), and body design in cabin has hatch door, and hatch door is convenient to be opened, and is convenient to place sample and enters in the cabin.Hatch door is opened out and is provided with rubber gasket, guarantees its sealing effectiveness.For guaranteeing that gas can mix and similar in the cabin to air-flow effect in the actual room, the method that adopts many air inlets gas outlet and low speed fan (8) technology to combine in the body of cabin, and utilize teflon that body corner, cabin is sealed and handle at the round edge angle.Compare this cabin body favorable sealing property of confirmation through test determination air intake opening airshed and gas outlet airshed.
(2) air generation systems
Utilizing small-sized oil-free air compressor is that air pump (1) will be tested room air and enter gas pipeline through overcompression, utilizes spinner-type flowmeter (6) control and regulates the air input, to keep constant air input and corresponding cabin body air exchange rate.Spinner-type flowmeter has gas admittance valve, can regulating and controlling and read the airshed size.The air process drying tube (2) (interior dress discolour silica gel) that airshed is constant carries out drying with gas; Then air communication is crossed purification pipe (3) (interior dress active carbon particle) and is further purified air, to reach requirement of experiment.Discolour silica gel and active carbon particle can be recycling by regular heat-activated.Airshed in the body of cabin can be carried out step-less adjustment between 0-20L/min by regulating control small air pump air output size and air intake opening spinner-type flowmeter, i.e. minienvironment test chamber respective air exchange rate: 0-2.0 time/hour.
(3) temperature humidity control system
Temperature control: utilize minienvironment test cabin temperature control system to carry out temperature control.The comprehensive actual architecture indoor ambient air temperature situation of change of the utility model, abandoned and directly utilized thermostat control cabinet body method of temperature, and take gas temperature and then the control cabinet body method of temperature of utilizing thermostat to enter the cabin body, thereby the gas temperature of specimen surface and the possibility that actual cabin body temperature degree is not inconsistent have been avoided flowing through by control.By regulating the constant temperature oven (5) that heated air is used, the gas temperature that enters the cabin body can be controlled at 15-30 ℃
Moisture control system: take all factors into consideration economy, controlled humidity effect and environmental protection, the utility model has adopted Drexel bottle (4) drainage purge gas to change gas humidity and then has changed the method for cabin body internal relative humidity.The gas that enters the cabin body at first passes through discolour silica gel, dramatically gas is carried out drying, the gas of drying is changed gas temperature by constant temperature oven (5) device back, according to testing requirements humidity the gas of appropriate amount is absorbed moisture by Drexel bottle (interior dress distilled water) again, change gas humidity, play humidification.With gas behind the humidification and mix with dry evenly after, 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.Regulate by dried moisture road airshed ratio, the relative humidity that enters the gas of cabin body can be controlled at 20-90%.
Be furnished with digital display temperature indicating hygronom (9) in the body of cabin and can monitor the humiture situation in the body of cabin that reads at any time accurately, and this humiture instrument has the memory storage function, can write down the highest and minimum temperature humidity situation in the certain hour, be convenient to monitor the fluctuation of humiture in the body of cabin.
(4) sampling system
This minienvironment test chamber leaves special thief hatch (11), and thief hatch can dock constant current sampling thief (air sampler) sampling, utilizes spectrophotometer or gas chromatography that gas in the body of cabin is analyzed.The cabin body is furnished with 5 gas outlets (12) simultaneously, and the gas outlet air communication is crossed purification pipe (13) (interior dress acticarbon) back and discharged the cabin body, avoids producing secondary pollution, can utilize these 5 gas outlets to sample simultaneously in the time will carrying out parallel experiment.
(5) purification plant
This minienvironment test chamber adopts the charcoal absorption pipe that gas is carried out purified treatment, after minienvironment test chamber hole capital after selling all securities (not putting into material sample) is measured, air intake opening (air inflow is: adopt the air sample from thief hatch and carry out concentration of formaldehyde and measure after 10L/min) starting working 1 hour, and the formaldehyde background concentration is in the body of cabin: 0.029mg/m3-0.033mg/m by every interval certain hour
3, the TVOC background concentration is: 0.030-0.036mg/m
3
Claims (3)
1. minienvironment test chamber that is used for the pollutant releasing research is characterized in that:
(1) described minienvironment test chamber comprises cabin body, air generation systems, temperature and humidity control system, sampling system and air cleaning unit;
(2) each components and parts of minienvironment test chamber are to connect like this: air pump links to each other with the drying tube that discolour silica gel is housed, drying tube links to each other with the purification pipe that activated charcoal is housed, the gas circuit of purification pipe is divided into two, one gas circuit links to each other with Drexel bottle in the constant temperature oven, the gas circuit of Drexel bottle is connected with spinner-type flowmeter, another gas circuit of purification pipe directly links to each other with constant temperature oven, the gas that comes out from spinner-type flowmeter mixes in constant temperature oven with the gas that comes out from purification pipe, the air intake opening of constant temperature oven bottom links to each other with the cabin body, one side of cabin body is equipped with low speed fan and digital display humiture instrument, opposite side has thief hatch, and the bottom of cabin body is furnished with a plurality of gas outlets, and the gas outlet is connected with purification pipe;
(3) on the test chamber hatch door opening part is arranged, the good no adsorbability of opening part equipment impermeability is sealed.
2. a kind of minienvironment test chamber that is used for the pollutant releasing research according to claim 1 is characterized in that: the inside surface of test chamber adopts the electropolishing stainless steel material.
3. a kind of minienvironment test chamber that is used for the pollutant releasing research according to claim 1, it is characterized in that: test chamber cabin body can be furnished with 5 gas outlets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201949162U CN201780265U (en) | 2010-05-19 | 2010-05-19 | Small-size environmental test chamber for pollutant release research |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201949162U CN201780265U (en) | 2010-05-19 | 2010-05-19 | Small-size environmental test chamber for pollutant release research |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201780265U true CN201780265U (en) | 2011-03-30 |
Family
ID=43793476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201949162U Expired - Lifetime CN201780265U (en) | 2010-05-19 | 2010-05-19 | Small-size environmental test chamber for pollutant release research |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201780265U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101832887A (en) * | 2010-05-19 | 2010-09-15 | 南昌大学 | Small-sized environmental test chamber for pollutant release researches |
| 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 |
| 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 |
| 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 |
| CN114062206A (en) * | 2021-10-29 | 2022-02-18 | 上海理工大学 | Multifunctional indoor thermal environment simulation experiment platform |
-
2010
- 2010-05-19 CN CN2010201949162U patent/CN201780265U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101832887A (en) * | 2010-05-19 | 2010-09-15 | 南昌大学 | Small-sized environmental test chamber for pollutant release researches |
| 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 |
| 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 |
| 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 |
| 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 |
| CN114062206A (en) * | 2021-10-29 | 2022-02-18 | 上海理工大学 | Multifunctional indoor thermal environment simulation experiment platform |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101832887B (en) | Small-sized environmental test chamber for pollutant release researches | |
| CN202693567U (en) | Environmental test chamber for detecting harmful substances in indoor environment decoration materials | |
| CN201780265U (en) | Small-size environmental test chamber for pollutant release research | |
| CN203587372U (en) | Environment test cabin used for testing purifying performance of indoor air purifying assembly | |
| CN201609656U (en) | VOC and formaldehyde release amount detection climatic chest | |
| Roulet | Ventilation and airflow in buildings: methods for diagnosis and evaluation | |
| CN106288247A (en) | Walk-in type car load VOC and aldoketones sampling environmental chamber | |
| CN201322745Y (en) | Testing device for testing volatile organic matter | |
| CN102539637A (en) | Environment testing device | |
| CN104849167A (en) | Device for detecting isothermal adsorption and desorption of moisture of tobacco slice or cut tobacco biomass | |
| CN104849170B (en) | The open type absorption property test system and its method of a kind of solar adsorption water making pipe | |
| CN201419101Y (en) | Structural improvement of environmental cabinet for detecting volatile organic compound | |
| CN103575853A (en) | Readable furniture pollutant detection device and method | |
| CN201438184U (en) | Two-in-one test system for fast testing volatile organic compound | |
| CN101118444A (en) | Method for controlling air humidity of humiture test box and structure thereof | |
| Sellam et al. | Experimental performance evaluation of date palm fibers for a direct evaporative cooler operating in hot and arid climate | |
| CN102032624B (en) | Performance test device for evaporative air conditioner | |
| CN204575393U (en) | A kind of walk-in type car load VOC and aldoketones sampling environmental chamber | |
| CN204346877U (en) | A kind of mixed gas experimental system | |
| Ma et al. | On-site measurement and optimization of energy efficiency of the cascading desiccant wheel deep dehumidification systems in the lithium-ion battery manufacturing factory | |
| CN203899617U (en) | VOC and formaldehyde release amount environment simulation test box | |
| CN203643289U (en) | Dynamic water and water activity measurement instrument | |
| CN111896682A (en) | Multi-cabin method VOC (volatile organic compounds) release amount measuring climate cabin | |
| CN107389425A (en) | A kind of anti-gaseous state analyzer condensation and dewfall and dust-proof device and method | |
| CN201716199U (en) | Detection device of heating radiators |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110330 Effective date of abandoning: 20120509 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20110330 Effective date of abandoning: 20120509 |