CN218003356U

CN218003356U - Building material formaldehyde check out test set

Info

Publication number: CN218003356U
Application number: CN202221157343.5U
Authority: CN
Inventors: 郭文涛; 许丰; 施琳
Original assignee: Henan Xingang Engineering Testing Co ltd
Current assignee: Henan Xingang Engineering Testing Co ltd
Priority date: 2022-05-12
Filing date: 2022-05-12
Publication date: 2022-12-09
Anticipated expiration: 2032-05-12

Abstract

The utility model discloses a building material formaldehyde detection device, which relates to the technical field of formaldehyde detection and solves the technical problems that the existing formaldehyde detection device has low detection efficiency and does not process formaldehyde after detection; the formaldehyde detector comprises a detection box body, wherein the detection box body comprises a heating detection box and a formaldehyde removal box which are mutually communicated, a stirring shaft, a filter screen placing table, a fixing device, a formaldehyde detector and a heating plate are arranged in the heating detection box, the stirring shaft is rotatably arranged at the bottom of the heating detection box, the filter screen placing table is fixed at the top of the stirring shaft, the fixing device is arranged on the filter screen placing table, and the formaldehyde detector and the heating plate are arranged on the inner wall of the heating detection box; a filter screen and an ultraviolet lamp are arranged in the formaldehyde removing box; the utility model discloses detection efficiency to formaldehyde is high, and it is high to detect the accuracy, and the air after the detection has carried out purification treatment, has reduced the pollution to the detection ring border.

Description

Building material formaldehyde check out test set

Technical Field

The utility model relates to a building material detects technical field, and more specifically relates to formaldehyde detects technical field.

Background

Formaldehyde is a carcinogenic substance commonly existing in building materials, the building materials are processed in various ways and used in chemical materials, so that the formaldehyde inevitably exists, and the formaldehyde content of some building materials is higher, for example, artificial boards can release the formaldehyde for a longer time, so that the detection of the formaldehyde content in the building materials is necessary.

Most of the existing formaldehyde detection devices sample building materials, place samples in a closed detection device for a long time, and deduce whether the formaldehyde content of the samples reaches the standard or not according to the length of the placement time and the volatilization amount of formaldehyde in the samples; however, the formaldehyde volatilization speed has a great relationship with the ambient temperature, so that the existing formaldehyde detection device has low detection accuracy and low detection efficiency, and can not effectively and rapidly detect formaldehyde in building material samples; and most of the existing detection devices are only used for detection, and the formaldehyde for detection is not treated, so that the formaldehyde flows into the detection environment, and harm is caused to human bodies.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an: in order to solve current formaldehyde detection device detection efficiency low, do not carry out the technical problem handled to formaldehyde after the detection, the utility model provides a building material formaldehyde check out test set.

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

the building material formaldehyde detection equipment comprises a detection box body, wherein the detection box body comprises a heating detection box and a formaldehyde removal box which are mutually communicated;

the heating detection box is internally provided with a stirring shaft, a filter screen placing table, a fixing device, a formaldehyde detector and a heating plate, the stirring shaft is rotatably arranged at the bottom of the heating detection box, the filter screen placing table is fixed at the top of the stirring shaft, the fixing device is arranged on the filter screen placing table, and the formaldehyde detector and the heating plate are arranged on the inner wall of the heating detection box; a filter screen and an ultraviolet lamp are arranged in the formaldehyde removing box.

Preferably, a temperature sensor is further provided in the heating detection box.

Preferably, the stirring shaft is connected with a power source device, the power source device comprises a servo motor, a rotating shaft, a first bevel gear and a second bevel gear, the first bevel gear is sleeved on the rotating shaft, the second bevel gear is meshed with the first bevel gear, and the second bevel gear is connected with the output end of the servo motor through the rotating shaft.

Preferably, the stirring shaft is provided with a stirring blade.

Preferably, the fixing device comprises a connecting rod, a handle, a pull rod, a spring and a pressing plate, the connecting rod is arranged at the edge of the filter screen placing table, the pull rod movably penetrates through the connecting rod, the pressing plate is arranged at the lower end of the pull rod, the handle is connected to the upper end of the pull rod, and the spring is sleeved on the pull rod between the pressing plate and the connecting rod.

Preferably, the top of the heating detection box is communicated with an air inlet of a fan through an air outlet pipe, and the top of the formaldehyde removal box is communicated with an air outlet of the fan through an air inlet pipe.

Preferably, the filter screen that sets up in the formaldehyde removal case includes active carbon filter screen and photocatalyst filter screen.

Preferably, the heating detection box and the formaldehyde removal box are respectively hinged with a first box door and a second box door, and the first box door is provided with a transparent observation window.

The beneficial effects of the utility model are as follows:

1. the utility model discloses set up the filter screen and place the platform and place sample material, the bottom surface that sample material can be avoided to the bleeder vent of filter screen can not be by the shutoff to it is even to make sample material bottom surface also can be heated, accelerates the release of inside formaldehyde, thereby improves the speed and the accuracy that formaldehyde detected.

2. The utility model discloses a remove formaldehyde incasement filter screen and ultraviolet lamp's effect, can get rid of formaldehyde and harmful component back exhaust clean gas, avoided causing the pollution to the testing environment.

3. The utility model discloses a set up the stirring leaf on the (mixing) shaft, can carry out the air to heating detection incasement and play the stirring effect for the mixing of hot-air and cold air avoids inside air temperature inhomogeneous, improves sample material heating homogeneity.

4. The utility model discloses a set up fixing device and fix the building material sample, upwards stimulate the connecting rod, make the clamp plate shift up and reserve the space and be convenient for put into the building sample, put into and later release the connecting rod, because cup jointed the spring on the pull rod between clamp plate and the connecting rod, the spring that originally compressed resumes, drives connecting rod and clamp plate and moves down to it is fixed to push down the building sample, has avoided the sample to drop at the rotation in-process.

5. The utility model discloses a setting up the first chamber door and the second chamber door that can open, the building material sample of being convenient for inwards placing, setting up through transparent observation window and being convenient for the user to observe, watch the inside condition in real time.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic view of the structure of the fixing device;

reference numerals are as follows: 1-detection box body, 101-heating detection box, 102-formaldehyde removal box, 103-air inlet, 104-air outlet, 2-movable caster, 3-power source device, 301-servo motor, 302-rotating shaft, 303-first bevel gear, 304-second bevel gear, 4-stirring shaft, 5-stirring blade, 6-filter screen placing table, 7-fixing device, 701-connecting rod, 702-handle, 703-pull rod, 704-spring, 705-pressing plate, 8-electronic display screen, 9-formaldehyde detector, 10-air outlet pipe, 11-fan, 12-air inlet pipe, 13-heating plate, 14-temperature sensor, 15-activated carbon filter screen, 16-photocatalyst filter screen, 17-ultraviolet lamp, 18-first box door, 19-transparent observation window and 20-second box door.

Detailed Description

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention will be combined below to clearly and completely describe the technical solution in the embodiments of the present invention.

Example 1

As shown in fig. 1 to 3, the present embodiment provides a building material formaldehyde detection device, which includes a detection box body 1, where the detection box body 1 includes a heating detection box 101 and a formaldehyde removal box 102 that are communicated with each other;

a stirring shaft 4, a filter screen placing table 6, a fixing device 7, a formaldehyde detector 9 and a heating plate 13 are arranged in the heating detection box 101, the stirring shaft 4 is rotatably arranged at the bottom of the heating detection box 101, the filter screen placing table 6 is fixed at the top of the stirring shaft 4, the fixing device 7 is arranged on the filter screen placing table 6, and the formaldehyde detector 9 and the heating plate 13 are arranged on the inner wall of the heating detection box 101; a filter screen and an ultraviolet lamp 17 are arranged in the formaldehyde removing box 102.

When the utility model is used, a building material sample is placed on the filter screen placing table 6, the sample is fixed through the fixing device 7, the air temperature in the heating detection box 101 is raised through the heating plate 13, the filter screen placing table 6 is driven to rotate by the rotation of the stirring shaft 4, and the sample material is heated in the rotating process, so that the sample material can be fully heated, the heating uniformity is improved, the surface of the sample material is rapidly heated, the formaldehyde in the sample is conveniently and rapidly volatilized, the detection efficiency is favorably improved, and the purpose of rapid detection is achieved; after reaching certain temperature and time, formaldehyde detector 9 detects the formaldehyde concentration in heating detection case 101, and the gas that contains formaldehyde after the detection lets in except that formaldehyde case 102 in, discharges after getting rid of formaldehyde and harmful components via filter screen and ultraviolet lamp 17, has avoided causing the pollution to the measuring environment.

The utility model is provided with the filter screen placing table 6 for placing the sample material, and the air holes of the filter screen can prevent the bottom surface of the sample material from being blocked, thereby enabling the bottom surface of the sample material to be heated uniformly, accelerating the release of the internal formaldehyde and improving the accuracy of formaldehyde detection; by the action of the filter screen and the ultraviolet lamp 17 in the formaldehyde removing box 102, the clean gas is discharged after formaldehyde and harmful components are removed, and the pollution to the detection environment is avoided.

Example 2

This embodiment further illustrates the present invention on the basis of embodiment 1.

A temperature sensor 14 is further arranged in the heating detection box 101, and specifically, the temperature sensor 14 is a pt100 temperature sensor; the temperature in the heating detection box 101 can be monitored in real time through the arrangement of the temperature sensor 14, and the deformation of materials and the damage of instruments caused by overhigh heating temperature can be avoided.

Example 3

The stirring shaft 4 is connected with the power source device 3, the power source device 3 comprises a servo motor 301, a rotating shaft 302, a first bevel gear 303 and a second bevel gear 304, the first bevel gear 303 is sleeved on the rotating shaft 302, the second bevel gear 304 is meshed with the first bevel gear 303, and the second bevel gear 304 is connected with the output end of the servo motor 301 through the rotating shaft 302.

The power of the servo motor 301 is transmitted to the second bevel gear 304 through the rotating shaft 302, the second bevel gear 304 transmits the power to the first bevel gear 303, and further transmits the power to the stirring shaft 4 to rotate the stirring shaft 4, so that the filter screen placing table 6 is driven to rotate and heat.

Example 4

And the stirring shaft 4 is provided with a stirring blade 5.

Can carry out the air to heating in the detection case 101 through setting up stirring leaf 5 and play the stirring effect for the mixing of hot-air and cold air avoids inside air temperature inhomogeneous, improves sample material heating homogeneity.

Example 5

The fixing device 7 comprises a connecting rod 701, a pull handle 702, a pull rod 703, a spring 704 and a press plate 705, the connecting rod 701 is arranged at the edge of the filter screen placing table 6, the pull rod 703 movably penetrates through the connecting rod 701, the press plate 705 is arranged at the lower end of the pull rod 703, the pull handle 702 is connected to the upper end of the pull rod 703, and the spring 704 is sleeved on the pull rod 703 between the press plate 705 and the connecting rod 701.

When building sample needs to be placed, the connecting rod 701 is pulled upwards, so that the pressing plate 705 moves upwards to reserve a space, the building sample is conveniently placed into the space, the connecting rod 701 is released after the building sample is placed into the space, and the spring 704 is sleeved on the pull rod 703 between the pressing plate 705 and the connecting rod 701, so that the spring 704 which is originally compressed is restored, the connecting rod 701 and the pressing plate 705 are driven to move downwards, the building sample is pressed downwards to be fixed, and the sample is prevented from falling in the rotating process.

Example 6

The top of the heating detection box 101 is communicated with an air inlet of a fan 11 through an air outlet pipe 10, and the top of the formaldehyde removal box 102 is communicated with an air outlet of the fan 11 through an air inlet pipe 12.

The fan 11 is arranged to facilitate the feeding of the gas containing formaldehyde in the heating detection box 101 into the formaldehyde removal box 102, so that the air conveying speed is increased, and the detection and subsequent purification efficiency is improved.

Example 7

The filter screens arranged in the formaldehyde removing box 102 comprise an active carbon filter screen 15 and a photocatalyst filter screen 16.

The formaldehyde-containing gas passes through the high-efficiency adsorption performance of the activated carbon filter screen 15 to remove volatile organic compounds such as formaldehyde, toluene, hydrogen sulfide, chlorobenzene and pollutants in the air; then, the formaldehyde, methylamine, benzene, xylene, TVOC and other toxic organic matters, pollutants, bacteria and the like are oxidized and decomposed into harmless CO through a photocatalyst filter screen 16 ₂ And H ₂ O, the purposes of purifying air and decomposing harmful organic matters are achieved, clean air is discharged finally, and pollution to the detection environment is avoided;

example 8

The heating detection box 101 and the formaldehyde removal box 102 are respectively hinged with a first box door 18 and a second box door 20, and the first box door 18 is provided with a transparent observation window 19.

Through setting up the first chamber door 18 and the second chamber door 20 that can open, be convenient for inwards place the building material sample, through the setting of transparent observation window 19 the user of being convenient for observe, watch the inside condition in real time.

Claims

1. The building material formaldehyde detection equipment comprises a detection box body (1), and is characterized in that the detection box body (1) comprises a heating detection box (101) and a formaldehyde removal box (102) which are communicated with each other;

a stirring shaft (4), a filter screen placing table (6), a fixing device (7), a formaldehyde detector (9) and a heating plate (13) are arranged in the heating detection box (101), the stirring shaft (4) is rotatably arranged at the bottom of the heating detection box (101), the filter screen placing table (6) is fixed at the top of the stirring shaft (4), the fixing device (7) is arranged on the filter screen placing table (6), and the formaldehyde detector (9) and the heating plate (13) are arranged on the inner wall of the heating detection box (101); a filter screen and an ultraviolet lamp (17) are arranged in the formaldehyde removing box (102).

2. The building material formaldehyde detecting device according to claim 1, wherein a temperature sensor (14) is further disposed in the heating detecting box (101).

3. The building material formaldehyde detection device according to claim 1, wherein the stirring shaft (4) is connected with a power source device (3), the power source device (3) comprises a servo motor (301), a rotating shaft (302), a first bevel gear (303) and a second bevel gear (304), the first bevel gear (303) is sleeved on the rotating shaft (302), the second bevel gear (304) is meshed with the first bevel gear (303), and the second bevel gear (304) is connected with an output end of the servo motor (301) through the rotating shaft (302).

4. The building material formaldehyde detecting device according to claim 1, wherein the stirring shaft (4) is provided with stirring blades (5).

5. The building material formaldehyde detecting device according to claim 1, wherein the fixing device (7) comprises a connecting rod (701), a handle (702), a pull rod (703), a spring (704) and a pressing plate (705), the connecting rod (701) is arranged at the edge of the filter screen placing table (6), the pull rod (703) movably penetrates through the connecting rod (701), the pressing plate (705) is arranged at the lower end of the pull rod (703), the handle (702) is connected to the upper end of the pull rod (703), and the spring (704) is sleeved on the pull rod (703) between the pressing plate (705) and the connecting rod (701).

6. The building material formaldehyde detection device according to claim 1, wherein the top of the heating detection box (101) is communicated with an air inlet of a fan (11) through an air outlet pipe (10), and the top of the formaldehyde removal box (102) is communicated with an air outlet of the fan (11) through an air inlet pipe (12).

7. The building material formaldehyde detection device according to claim 1, wherein the filter screens arranged in the formaldehyde removal box (102) comprise an activated carbon filter screen (15) and a photocatalyst filter screen (16).

8. The building material formaldehyde detection device according to claim 1, wherein a first door (18) and a second door (20) are respectively hinged on the heating detection box (101) and the formaldehyde removal box (102), and a transparent observation window (19) is arranged on the first door (18).