CN-121978283-A - Climate box and method for detecting formaldehyde purification efficiency of decorative artificial board

CN121978283ACN 121978283 ACN121978283 ACN 121978283ACN-121978283-A

Abstract

The invention relates to the technical field of decorative material environmental protection performance detection, and particularly discloses a climatic box and a method for detecting formaldehyde purification efficiency of a decorative artificial board, wherein the climatic box comprises a box body, a box door arranged on the side wall of the box body, a supporting component arranged in the box body and used for supporting a plurality of boards, and a gas circulating device communicated with the box body; the support assembly comprises a plurality of support plates which are horizontally distributed along the vertical direction, a storage groove formed in the upper side of the support plate, a cover plate arranged above the uppermost support plate and a first driving device used for driving the cover plate and the support plate to move along the vertical direction, wherein one plate is clamped in one storage groove, and the depth of the storage groove is larger than the thickness of the plate. The climatic box and the method for detecting the formaldehyde purification efficiency of the veneer artificial board can more accurately test the formaldehyde purification effect of the veneer in the actual use process.

Inventors

TANG LAN
LI JIATAO
YU HONG
YIN YING
ZHU ANFU
ZHANG QIN
HUANG QING
WANG CHUNLU
YANG WANYI
Yang Pengchuan

Assignees

成都产品质量检验研究院有限责任公司
四川省产品质量监督检验检测院
成都市产品质量监督检验研究院
成都成检质量检测技术服务有限公司

Dates

Publication Date: 20260505
Application Date: 20260407

Claims (10)

1. The climatic box for detecting the formaldehyde purification efficiency of the decorative artificial board is characterized by comprising a box body, a box door arranged on the side wall of the box body, a supporting component arranged in the box body and used for supporting a plurality of boards, and a gas circulation device communicated with the box body; The support assembly comprises a plurality of support plates which are horizontally distributed along the vertical direction, a storage groove which is formed in the upper side of the support plate, a cover plate which is arranged above the uppermost support plate, and a first driving device which is used for driving the cover plate and the support plate to move along the vertical direction; one of the plates is clamped in one of the storage grooves, and the depth of the storage groove is larger than the thickness of the plate.
2. The climatic chamber for detecting the formaldehyde purification efficiency of the veneer artificial board according to claim 1, wherein a plurality of sliding blocks are arranged on the side wall of the supporting plate and the side wall of the cover plate, and a plurality of sliding bars which are vertically arranged are arranged in the chamber; one sliding block is arranged on one sliding rod in a sliding way.
3. The climatic chamber for detecting the formaldehyde purification efficiency of the veneer artificial board according to claim 2, wherein a plurality of cushion blocks are arranged on the lower side of the supporting plate and the lower side of the cover plate; when a plurality of backup pads butt each other, the cushion with panel upper surface butt.
4. The climatic chamber for detecting formaldehyde purification efficiency of veneer artificial board according to claim 2, wherein the first driving means comprises a first telescopic cylinder vertically arranged above the chamber body, and a plurality of connecting ropes arranged in the chamber body; the cylinder body of the first telescopic cylinder is fixedly connected with the outer wall of the box body, the movable end of the first telescopic cylinder penetrates through the outer wall of the box body and is fixedly connected with the cover plate, and the sliding blocks in the same vertical direction are connected through one connecting rope.
5. The climatic chamber for detecting formaldehyde purification efficiency of veneer artificial board according to claim 1, wherein a plurality of elastic sheets are arranged at the bottom of the storage tank.
6. The climatic chamber for detecting formaldehyde purification efficiency of a veneer artificial board according to claim 1, wherein the gas circulation means comprises a plurality of blowing plates horizontally provided in the chamber, a first duct connected to the blowing plates, a second duct connected to the plurality of first ducts and provided outside the chamber, a third duct connected to the second duct, a blower provided on the third duct, an exhaust plate provided outside the chamber, and a plurality of fourth ducts for communicating the chamber with the exhaust plate; The air blowing plate and the air exhausting plate are hollow structures, the air blowing plate and the air exhausting plate are respectively arranged at two opposite ends of the box body, the third guide pipe is communicated with the air exhausting plate, and a plurality of air blowing holes are formed in one side, close to the supporting plate, of the air blowing plate.
7. The climatic chamber for detecting formaldehyde purification efficiency of veneer artificial boards according to claim 6, wherein when the cover plate is moved to the uppermost side, the interval between adjacent support plates is equal to the interval between adjacent air blowing plates; the device also comprises a second driving device for driving the blowing plate to move up and down, the part of the first conduit arranged in the box body is a flexible hose; the second driving device comprises a connecting rod used for connecting adjacent blowing plates and a second telescopic cylinder vertically arranged above the box body, wherein the cylinder body of the second telescopic cylinder is fixedly connected with the box body, and the movable end of the second telescopic cylinder penetrates through the box body and is fixedly connected with the blowing plates.
8. The climatic chamber for detecting the formaldehyde purification efficiency of a veneer artificial board according to claim 7, wherein the gas circulation means further comprises a pair of gas exchange tanks coaxially provided outside the chamber body while passing through a pair of screws in the axial direction of the gas exchange tanks, a piston hermetically sliding provided in the gas exchange tanks, a pair of suction pipes, and a pair of gas supply pipes; The two ends of the ventilation tank are respectively provided with an exhaust pipe, the two ends of the ventilation tank are respectively provided with a first air inlet pipe, and the side wall of the ventilation tank is provided with a second air inlet pipe; The air supply pipes are communicated with the second guide pipe, and the air supply pipes are respectively communicated with one ends of the pair of ventilation tanks, which are far away from each other; the screw is in sealing threaded connection with the piston, and is in sealing rotary connection with the ventilation tank; The exhaust pipe, the air supply pipe, the exhaust pipe, the first air inlet pipe and the second air inlet pipe are all provided with valves.
9. The climatic chamber for detecting the formaldehyde purification efficiency of the veneer artificial board according to claim 8, wherein the inside of the exhaust plate is provided with a temperature adjusting device and a humidity adjusting device; the gas circulation device further comprises a motor fixedly arranged on the side wall of the box body, a driving wheel arranged on an output shaft of the motor, a driven wheel fixedly arranged at one end of the screw rod, and a driving belt used for connecting the driving wheel and the driven wheel.
10. A method for detecting formaldehyde purification efficiency of a veneer artificial board based on a climatic chamber for detecting formaldehyde purification efficiency of a veneer artificial board according to any one of claims 1to 9, characterized by comprising the steps of: (1) Opening a box door, placing a plate to be detected into a storage groove of a supporting plate, closing the box door, and driving a cover plate and the supporting plate to move upwards by using a first driving device so that a gap is formed between the supporting plates; (2) Circulating flow is carried out on the gas in the box body through the gas circulating device, fresh air without formaldehyde is intermittently introduced in the flowing process, the same amount of air is discharged, and the formaldehyde content in the box body is detected after a certain time; (3) The cover plate and the supporting plate are driven to move downwards by using the first driving device, so that the cover plate and the supporting plate are mutually attached together, the plates are sealed between the supporting plates, air with constant formaldehyde content is intermittently introduced into the box body by the gas circulation device, the same amount of air is discharged, and the formaldehyde content in the box body is detected after a certain time; (4) And (3) keeping the gas flow parameters in the step (3) unchanged, and using a first driving device to drive the cover plate and the supporting plate to move upwards, so that a gap is formed between the supporting plates, the surface of the plate is exposed to the gas, and the formaldehyde content in the box body is detected after a certain time.

Description

Climate box and method for detecting formaldehyde purification efficiency of decorative artificial board Technical Field The invention relates to the technical field of decorative material environmental protection performance detection, in particular to a climatic chamber and a method for detecting formaldehyde purification efficiency of a decorative artificial board. Background The indoor formaldehyde pollution becomes an important problem affecting the safety of the living environment, and the formaldehyde purification facing artificial board becomes a main stream material for indoor decoration due to the functions of source formaldehyde control and tail end purification, and the accurate detection of the formaldehyde purification efficiency is a key of industry quality control. The existing formaldehyde purification efficiency detection method for the formaldehyde purification veneer artificial board mainly adopts a static closed cabin method and a conventional dynamic climate box method, and has the obvious technical defects that the static closed cabin method ignores the air flow and the formaldehyde sustained release characteristic in the actual use environment, the purification efficiency obtained by the test is far higher than the actual use effect, the data reference value is low, the conventional dynamic climate box method mainly adopts multiple cabins to respectively finish the board background release, blank comparison and purification efficiency test, the equipment system error and the board parallel sample error are easy to generate, the short circuit phenomenon is easy to occur to the air flow in the cabin, and the contact between formaldehyde and the board veneer is insufficient. Meanwhile, the conventional climate box is controlled to be ventilated through a fan, so that equal and accurate control of air inlet and air exhaust is difficult to realize, fluctuation of formaldehyde concentration in a cabin is easy to cause, the board sealing structure is an external cover board, the problem of leakage is easy to occur, blank comparison test precision is affected, decoupling adjustment of ventilation rate and board surface wind speed cannot be realized, and influence of all environmental parameters on purification efficiency is difficult to accurately quantify. Therefore, the formaldehyde purification efficiency detection climatic box which can integrally complete multi-ring test, has high detection precision and controllable flow field and ventilation can be designed. Disclosure of Invention The invention aims to provide a climatic box and a method for detecting formaldehyde purification efficiency of a veneer artificial board, which can more accurately test the formaldehyde purification effect of the veneer in the actual use process. The climatic box for detecting formaldehyde purification efficiency of the decorative artificial board comprises a box body, a box door arranged on the side wall of the box body, a supporting component arranged in the box body and used for supporting a plurality of boards, and a gas circulation device communicated with the box body, wherein the supporting component comprises a plurality of supporting boards which are horizontally distributed along the vertical direction, a storage groove arranged on the upper side of the supporting boards, a cover plate arranged above the uppermost supporting board, and a first driving device used for driving the cover plate and the supporting boards to move along the vertical direction, one board is clamped in one storage groove, and the depth of the storage groove is larger than the thickness of the boards. Further, the side wall of the supporting plate and the side wall of the cover plate are respectively provided with a plurality of sliding blocks, a plurality of vertically arranged sliding rods are arranged in the box body, and one sliding block is arranged on one sliding rod in a sliding mode. Further, a plurality of cushion blocks are arranged on the lower side of the supporting plate and the lower side of the cover plate, and when the supporting plates are mutually abutted, the cushion blocks are abutted with the upper surface of the plate. Further, the first driving device comprises a first telescopic cylinder vertically arranged above the box body and a plurality of connecting ropes arranged in the box body, a cylinder body of the first telescopic cylinder is fixedly connected with the outer wall of the box body, a movable end of the first telescopic cylinder penetrates through the outer wall of the box body and is fixedly connected with the cover plate, and a plurality of sliding blocks in the same vertical direction are connected through one connecting rope. Further, a plurality of elastic sheets are arranged at the bottom of the storage groove. Further, the gas circulation device comprises a plurality of blowing plates horizontally arranged in the box body, a first guide pipe connected with the blowing plates, a secon