Maintenance device for testing formaldehyde emission of artificial board

Abstract

The utility model discloses a maintenance device for testing formaldehyde emission of an artificial board, which belongs to the technical field of detection of pollutant emission of decorative materials of constructional engineering and comprises a constant-temperature and constant-humidity chamber cabin and a fresh air flow circulating mechanism communicated with the constant-temperature and constant-humidity chamber cabin. The constant-temperature and constant-humidity chamber cabin comprises a sample rack, a temperature, humidity and formaldehyde monitoring module fixed on the inner wall of the constant-temperature and constant-humidity chamber cabin, and a plurality of groups of artificial board test samples arranged on the outer wall of the sample rack; the fresh air flow circulation mechanism comprises an air conditioner fresh air pipeline, a constant-temperature and constant-humidity air conditioner external unit arranged at one end of the constant-temperature and constant-humidity chamber cabin, and an air filter arranged at one end of the air conditioner fresh air pipeline. Reliability of air quality in an artificial board maintenance room is ensured, multiple groups of samples can be maintained at the same time under the environmental condition of standard requirements, and working efficiency is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to building engineering decoration material pollutant release amount detection technical field, concretely is a kind of test artificial board formaldehyde release amount curing device. BACKGROUND

[0002] Artificial board (such as plywood, density board etc.) in production process because of using the adhesive containing formaldehyde, its formaldehyde release amount is the core index of environmental protection performance.Currently detection method usually adopts 1m³ climate chamber method, sample is placed in climate chamber, air formaldehyde concentration in cabin is collected after a certain time, and artificial board formaldehyde release amount is obtained.Sample needs to be cured before detection, and sample is placed in standard constant temperature and humidity environment: temperature (23±1) ℃, relative humidity (50±5) % condition is placed (15±2) d, and the distance between test piece is at least 25mm, make air freely circulate on the surface of all test pieces, ensure that formaldehyde mass concentration in indoor air should not exceed 0.10 mg / m3.

[0003] Traditional curing mode generally has following two kinds, one is to use 1m³ climate chamber for curing, two is to purchase a large special artificial board curing cabin for curing, and multiple samples can be cured simultaneously.The above two methods have the following problems: 1, use 1m³ climate chamber for curing, and the efficiency is low, and the curing cost is higher, if the sample to be measured is more, cannot meet the timeliness requirement;Need to sample the air in cabin at regular intervals to obtain air formaldehyde mass concentration in cabin, and it is more complicated.2, if large special curing cabin is used for curing, the equipment cost is higher;Equipment occupies large area, and the weight is larger, and purchase, transportation and on-site installation are extremely inconvenient, and it is not conducive to the development of project.Therefore, an integrated curing device with high use efficiency, low cost and high degree of automation is needed.

[0004] Based on this, the utility model discloses a kind of test artificial board formaldehyde release amount curing device to solve above-mentioned problems. SUMMARY

[0005] The utility model aims at providing a kind of test artificial board formaldehyde release amount curing device to solve above-mentioned technical problems.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of test artificial board formaldehyde release amount curing device, comprising: constant temperature and humidity chamber cabin body and the new air flow circulation mechanism mechanism being communicated;

[0007] Constant temperature and humidity chamber cabin body includes sample holder, temperature and humidity and formaldehyde monitoring module fixed to the inner wall of the constant temperature and humidity chamber cabin body, and multiple groups of artificial board test samples are set to the outer wall of the sample holder;

[0008] The new air flow circulation mechanism comprises an air conditioner new air pipeline, a constant temperature and humidity air conditioner outdoor unit arranged at one end of the constant temperature and humidity chamber cabin, an air filter arranged at one end of the air conditioner new air pipeline, and a constant temperature and humidity air conditioner new air exchanger communicated with one end of the air conditioner new air pipeline.

[0009] The constant temperature and humidity chamber cabin rear end is provided with an air return port communicated with the constant temperature and humidity air conditioner outdoor unit.

[0010] Preferably, the air conditioner new air pipeline is provided with an air conditioner new air inlet communicated with the constant temperature and humidity chamber cabin top at one end close to the air filter.

[0011] Preferably, the constant temperature and humidity chamber cabin is provided with a door at one end, and the door outer wall is provided with an observation window.

[0012] Preferably, the constant temperature and humidity chamber cabin outer wall is fixed with a control panel, and the temperature and humidity and formaldehyde monitoring module is connected to the control panel.

[0013] Preferably, the control ends of the constant temperature and humidity air conditioner new air exchanger and the constant temperature and humidity air conditioner outdoor unit are connected to the control panel.

[0014] Compared with the prior art, the present application has the following beneficial effects:

[0015] Firstly, the new air flow circulation mechanism and the temperature and humidity and formaldehyde monitoring module ensure the reliability of the indoor air quality of the artificial board curing room and have high automation degree.

[0016] Secondly, a plurality of groups of samples can be cured simultaneously under the standard required environmental conditions, the work efficiency is greatly improved, and the cost is reduced. DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0018] Figure 1 It is a whole structure schematic view of the embodiment.

[0019] In the drawings, each number represents the following:

[0020] 1, constant temperature and humidity chamber cabin; 2, door; 3, observation window; 4, control panel; 5, air conditioning fresh air pipeline; 6, air filter; 7, constant temperature and humidity air conditioning fresh air exchanger; 8, constant temperature and humidity air conditioning outdoor unit; 9, air conditioning fresh air inlet; 10, return air outlet; 11, air flow direction; 12, temperature and humidity and formaldehyde monitoring module; 13, sample holder; 14, wood-based panel test sample. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0022] Please refer to Figure 1 The present application provides a technical solution: a device for maintaining and testing the formaldehyde release amount of wood-based panels, comprising: a constant temperature and humidity chamber cabin 1 and a fresh air flow circulation mechanism connected thereto.

[0023] The constant temperature and humidity chamber cabin 1 comprises a sample holder 13, a temperature and humidity and formaldehyde monitoring module 12 fixed to the inner wall of the constant temperature and humidity chamber cabin 1, and a plurality of wood-based panel test samples 14 arranged on the outer wall of the sample holder 13.

[0024] The fresh air flow circulation mechanism comprises an air conditioning fresh air pipeline 5, a constant temperature and humidity air conditioning outdoor unit 8 arranged at one end of the constant temperature and humidity chamber cabin 1, an air filter 6 arranged at one end of the air conditioning fresh air pipeline 5, and a constant temperature and humidity air conditioning fresh air exchanger 7 connected to one end of the air conditioning fresh air pipeline 5.

[0025] A return air outlet 10 is formed at the rear end of the constant temperature and humidity chamber cabin 1, and the return air outlet 10 is connected to the constant temperature and humidity air conditioning outdoor unit 8.

[0026] The constant temperature and humidity chamber cabin 1 is made of thermal insulation board color steel or a certain regular room, the inner wall of which is decorated with thermal insulation board, the wall thickness is more than 5 cm, the indoor volume is about 30 m³, the sample holder 13 is arranged in the constant temperature and humidity chamber cabin 1, the sample holder 13 is provided with a plurality of sockets for wood-based panel test samples 14, the wood-based panel test samples 14 can be inserted into the sample holder 13, the constant temperature and humidity air conditioning fresh air exchanger 7, the constant temperature and humidity air conditioning outdoor unit 8 and the air conditioning fresh air pipeline 5 cooperate with each other, the air filter 6 controls the indoor temperature and humidity and filters organic pollutants, and the temperature and humidity and formaldehyde monitoring module 12 is located at the rear end of the air flow direction 11, so as to monitor the indoor air temperature and humidity and formaldehyde concentration.

[0027] Further preferably, the air conditioner fresh air pipeline 5 is provided with an air conditioner fresh air inlet 9 at one end close to the air filter 6, and the air conditioner fresh air inlet 9 is connected to the top of the constant temperature and humidity chamber cabin 1.

[0028] The air conditioner fresh air inlet 9 is used to cooperate with the air conditioner fresh air pipeline 5 to ensure the gas circulation in the constant temperature and humidity chamber cabin 1.

[0029] Further preferably, the constant temperature and humidity chamber cabin 1 is provided with a door 2 at one end, and the outer wall of the door 2 is provided with an observation window 3.

[0030] The observation window 3 of the door 2 is provided with a glass seal, which does not affect the air flow and is convenient for personnel to observe the indoor conditions.

[0031] Further preferably, the constant temperature and humidity chamber cabin 1 is provided with a control panel 4 fixed on the outer wall, and a temperature and humidity and formaldehyde monitoring module 12 is connected to the control panel 4.

[0032] The control panel 4 outside the cabin is connected to the temperature and humidity and formaldehyde monitoring module 12, so as to monitor the environment temperature and humidity and air formaldehyde concentration in the constant temperature and humidity chamber cabin 1.

[0033] Further preferably, the control ends of the constant temperature and humidity air conditioner fresh air exchanger 7 and the constant temperature and humidity air conditioner outdoor unit 8 are connected to the control panel 4.

[0034] The operation and fresh air exchange amount of the constant temperature and humidity air conditioner fresh air exchanger 7 and the constant temperature and humidity air conditioner outdoor unit 8 are controlled through the control panel 4.

[0035] One specific application of the embodiment is: through the control panel 4, the indoor environment temperature of the constant temperature and humidity chamber cabin 1 is set to 23℃, the relative humidity is 50%, the constant temperature and humidity air conditioner fresh air exchanger 7 is started, the outdoor air is introduced into the room through the air conditioner fresh air pipeline 5 and the air filter 6, and the organic pollution is filtered, the constant temperature and humidity air conditioner outdoor unit 8 is started to cooperate with the return air inlet 10 to discharge the indoor air to control the indoor temperature and humidity, and the temperature and humidity and formaldehyde monitoring module 12 is connected to the control panel 4 to monitor the indoor air temperature and humidity and formaldehyde concentration. After a certain period of time, the indoor temperature and humidity and formaldehyde concentration meet the requirements of the standard and remain stable, the test sample 14 (the sample size is 50cm×50cm, and one group has two pieces) of the artificial board is placed on the sample rack 13, the distance between each test piece is at least 25mm; the cabin door 2 is closed for maintenance, the maintenance time is recorded, and the maintenance period is (15±2) days; if other samples need to be maintained during the maintenance process, the test sample can be directly placed on the sample rack 13.

[0036] In the description of the utility model, it is understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "central", "both ends" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0037] In the utility model, unless otherwise expressly specified and limited, the terms "mounting", "setting", "connection", "fixing", "screw connection" and the like should be understood broadly, for example, can be fixed connection, can also be detachable connection, or be integrated; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements or the interaction relationship of two elements, unless otherwise expressly limited, the above-mentioned terms in the utility model can be understood according to the specific meaning in the utility model by the ordinary skill in the art.

[0038] Although the embodiments of the utility model have been shown and described, it can be understood by the ordinary skill in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A test device for maintaining the formaldehyde emission of artificial board, characterized in that, The utility model relates to a constant temperature and humidity chamber cabin body (1) and the new air flow circulation mechanism of intercommunication, and the constant temperature and humidity chamber cabin body (1) includes sample rack (13), the temperature and humidity and formaldehyde monitoring module (12) of fixed in the constant temperature and humidity chamber cabin body (1) inner wall and set up in the multiple groups of artificial board test sample (14) of sample rack (13), and the new air flow circulation mechanism includes air conditioning new air pipeline (5), the constant temperature and humidity air conditioner outer machine (8) of setting in the constant temperature and humidity chamber cabin body (1) one end, the air filter (6) of setting in the air conditioning new air pipeline (5) one end and with constant temperature and humidity air conditioning new air exchanger (7) of the intercommunication of air conditioning new air pipeline (5) one end, the back end of constant temperature and humidity chamber cabin body (1) is equipped with return air inlet (10), and return air inlet (10) is connected with constant temperature and humidity air conditioner outer machine (8) intercommunication. The end of air conditioning new air pipeline (5) is equipped with air conditioning new air inlet (9) near air filter (6), and air conditioning new air inlet (9) is connected with constant temperature and humidity chamber cabin body (1) top intercommunication. Constant temperature and humidity chamber cabin body (1) one end is equipped with door (2), and the door (2) outer wall is equipped with observation window (3). Constant temperature and humidity chamber cabin body (1) outer wall is fixed with control panel (4), and temperature and humidity and formaldehyde monitoring module (12) are connected in control panel (4). The control end of constant temperature and humidity air conditioning new air exchanger (7) and constant temperature and humidity air conditioner outer machine (8) is connected with control panel (4).

2. The device for testing the formaldehyde emission of artificial board according to claim 1, wherein: ​ 3. The device for testing the formaldehyde emission of artificial board according to claim 1, wherein: ​ 4. The device for testing the formaldehyde emission of artificial board according to claim 1, wherein: ​ 5. A curing device for testing the formaldehyde emission of a wood-based panel according to claim 4, characterized in that: ​

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