CN210513880U

CN210513880U - Formaldehyde detection device

Info

Publication number: CN210513880U
Application number: CN201921438863.1U
Authority: CN
Inventors: 于洪涛; 王丽丽; 薄银洁; 王晓楠
Original assignee: Shandong Jingwei Construction Engineering Quality Inspection Co Ltd
Current assignee: Shandong Jingwei Construction Engineering Quality Inspection Co Ltd
Priority date: 2019-08-30
Filing date: 2019-08-30
Publication date: 2020-05-12
Anticipated expiration: 2029-08-30

Abstract

A formaldehyde detection device comprises a mixing device and a formaldehyde detection device; the mixing device comprises a rotating motor, a rotating disc is arranged on the rotating motor, a bearing disc is arranged on the upper portion of the rotating disc, springs are arranged between the bearing disc and the rotating disc, three sets of formaldehyde detection devices with the same structure are uniformly arranged on the bearing disc, each formaldehyde detection device comprises a Y-shaped reaction vessel, a transparent glass observation box body is arranged on the lower portion of the Y-shaped reaction vessel, and a colorimetric plate is arranged on one side of the transparent glass observation box body; the utility model discloses simple structure, convenient operation detects the content of formaldehyde in the gas through phenol reagent method, detects swiftly, has the contrast, and the data accuracy is high.

Description

Formaldehyde detection device

Technical Field

The utility model belongs to the technical field of the formaldehyde detection device, especially, relate to a formaldehyde detection device.

Background

Formaldehyde is also called ant aldehyde, has colorless gas, has special pungent smell, and has stimulating effect on eyes, nose and the like. At present, formaldehyde is usually generated in room decoration, the formaldehyde belongs to a class of carcinogens, naked eyes cannot observe, people pay attention to health continuously, some electronic instruments can be used for detection, certain errors exist in the detection of the formaldehyde by the electronic instruments, in addition, a device for detecting the formaldehyde by the existing chemical method lacks a certain mixing device and a contrast device under the same condition, the formaldehyde cannot be rapidly dissolved in a phenol reagent by the aid of the mixing device, the contrast device under the same condition lacks the contrast performance to the experiment, and the experimental result lacks reliability.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to foretell problem provides a formaldehyde detection device.

In order to achieve the purpose, the utility model adopts the technical scheme that the utility model provides a formaldehyde detection device, which is characterized by comprising a mixing device and a formaldehyde detection device; the mixing device comprises a rotating motor, a rotating disc is arranged on the rotating motor, a bearing disc is arranged on the upper portion of the rotating disc, springs are arranged between the bearing disc and the rotating disc, three sets of formaldehyde detection devices with the same structure are uniformly arranged on the bearing disc, each formaldehyde detection device comprises a Y-shaped reaction vessel, a transparent glass observation box body is arranged on the lower portion of the Y-shaped reaction vessel, and a colorimetric plate is arranged on one side of the transparent glass observation box body; the Y-shaped reaction vessel comprises a transparent hollow sphere, a phenol reagent tube and a high-iron ion color reagent tube are arranged at the upper end of the transparent hollow sphere, the phenol reagent tube and the high-iron ion color reagent tube are communicated with the hollow sphere, a guide pipe is arranged at the lower end of the transparent hollow sphere, and the guide pipe is communicated with the transparent glass observation box body.

Preferably, a rubber plug is arranged on the phenol reagent tube, a formaldehyde air inlet tube is arranged on the rubber plug, the lower end of the formaldehyde air inlet tube reaches the bottom of the phenol reagent tube, and a formaldehyde gas injector is arranged at the upper end of the formaldehyde air inlet tube.

Preferably, a first control valve is arranged on the phenol reagent pipe, a second control valve is arranged on the high-iron ion color developing agent reagent pipe, and a third control valve is arranged on the conduit.

Preferably, the phenol reagent tube and the high-iron ion color developing agent reagent tube are in a V shape on the transparent hollow ball.

Preferably, the section of the bottom of the transparent glass observation box body is a right-angled triangle, and a waste liquid outlet is formed in the thinner end of the bottom of the transparent glass observation box body.

Preferably, a vibrator is arranged in the middle of the lower surface of the bearing plate.

Preferably, the upper surface of the rotating disc is provided with a first T-shaped groove, the upper surface of the bearing disc is provided with a second T-shaped groove, and an I-shaped connecting strip is arranged between the first T-shaped groove and the second T-shaped groove.

Compared with the prior art, the utility model has the advantages and positive effects that,

the utility model has simple structure and convenient operation, and can detect the content of formaldehyde in the gas quickly by the phenol reagent method, and has contrast and high data accuracy; the formaldehyde gas is more rapidly mixed with the phenol reagent by arranging the gas inlet pipe and the formaldehyde gas injector, and the mixed liquid of the formaldehyde-phenol reagent and the high-iron ion color developing agent reagent are more uniformly mixed in the transparent hollow sphere by arranging the mixing device; through set up three formaldehyde detection device of group on bearing the dish, make the experimental result of three groups have certain contrast under the same environment, make the testing result degree of accuracy higher.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

FIG. 1 is a schematic view of a formaldehyde detecting apparatus;

FIG. 2 is a schematic structural diagram of a blending device of a formaldehyde detection device;

FIG. 3 is a schematic view of a formaldehyde detecting apparatus;

FIG. 4 is a schematic view of the bottom structure of a transparent glass observation box of a formaldehyde detection device;

in the above figures, 1, a kneading device; 101. a drive motor; 102. rotating the disc; 1021. a first T-shaped groove; 103. a carrier tray; 1031. a second T-shaped groove; 104. a spring; 105. an I-shaped connecting lath; 2. a formaldehyde detection device; 201. a transparent hollow sphere; 202. a phenol reagent tube; 2021. A first control valve; 203. a high iron ion color developing agent reagent tube; 2031. a second control valve; 204. a conduit; 2041. a third control valve; 205. a rubber plug; 206. a formaldehyde inlet pipe; 207. a formaldehyde gas injector; 208. a transparent glass observation box body; 2081. observing the bottom of the box body; 209. a color comparison plate; 210. and (6) a waste liquid outlet.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

Embodiment 1, as shown in fig. 1, fig. 2, fig. 3, and fig. 4, the present invention provides a formaldehyde detecting device, which includes a mixing device 1 and a formaldehyde detecting device 2; the blending device 1 comprises a rotating motor 101, a rotating disc 102 is arranged on the rotating motor 101, a bearing disc 103 is arranged on the upper portion of the rotating disc 102, springs 104 are arranged between the bearing disc 102 and the rotating disc 103, the three springs 104 are uniformly arranged on the upper surface of the bearing disc 102, one end of each spring 104 is fixedly connected to the upper surface of the rotating disc 102, the other end of each spring 104 is fixedly connected to the lower surface of the bearing disc 103, three sets of formaldehyde detection devices 2 with the same structure are uniformly arranged on the bearing disc 103, the three sets of formaldehyde detection devices 2 with the same structure are arranged on the same bearing disc 103, comparison of experimental data is facilitated, and accuracy and reliability of the experimental data are ensured; the formaldehyde detection device 2 comprises a Y-shaped reaction vessel, a transparent glass observation box body 208 is arranged at the lower part of the Y-shaped reaction vessel, the transparent glass observation box body 208 is fixed on the upper surface of the bearing plate 103, and a colorimetric plate 209 is arranged on one side of the transparent glass observation box body 208; the Y-shaped reaction vessel comprises a transparent hollow sphere 201, a phenol reagent tube 202 and a high-iron ion color reagent tube 203 are arranged at the upper end of the transparent hollow sphere 201, the phenol reagent tube 202 and the high-iron ion color reagent tube 203 are communicated with the transparent hollow sphere 201, a guide pipe 204 is arranged at the lower end of the transparent hollow sphere 201, and the guide pipe 204 is communicated with a transparent glass observation box body 208.

Specifically, a rubber plug 205 is arranged on the phenol reagent tube 202, a formaldehyde inlet tube 206 is arranged on the rubber plug 205, the lower end of the formaldehyde inlet tube 206 reaches the bottom of the phenol reagent tube 202, a formaldehyde gas injector 207 is arranged at the upper end of the formaldehyde inlet tube 206, the formaldehyde gas injector 207 injects formaldehyde into the phenol reagent tube 202, and the formaldehyde reacts with the phenol reagent in the phenol reagent tube 202 quickly.

Be provided with first control valve 2021 on the phenol reagent pipe 202, be provided with second control valve 2031 on the high-iron ion colour development agent reagent pipe 203, be provided with third control valve 2041 on the pipe 204, open first control valve 2021 after formaldehyde fuses into phenol reagent, make the solution after formaldehyde and the reaction of phenol reagent get into transparent hollow spheroid 201, then open second control valve 2031, make high-iron ion colour development agent get into transparent hollow spheroid 201, in order to make two kinds of reagents at transparent hollow spheroid 201 intensive mixing, the utility model discloses set up the mixing device, start the mixing device, make rapid mixing in the short time, finally, open third control valve 2041, make two kinds of reagents after the mixture get into clear glass and observe box 208, judge the concentration of formaldehyde according to the colour on the colorimetric plate 20.

The phenol reagent tube 202 and the high-iron ion color developing agent reagent tube 203 are in a V shape on the transparent hollow ball 201, the phenol reagent tube 202 and the high-iron ion color developing agent reagent tube 203 are combined in the V shape on the transparent hollow ball 201, reagents can be conveniently injected into different reagent tubes, and the other is convenient and attractive.

Transparent glass observes bottom of box portion 2081 section and is right triangle, and transparent glass observes the thinner one end of bottom of box portion 208 and is provided with waste liquid outlet 210, observes bottom of box portion 2081 section design for the convenient outflow of waste liquid of right triangle with transparent glass.

The middle of the lower surface of the bearing plate 103 is provided with a vibrator, and the vibrator is convenient for uniformly mixing reagents in the transparent hollow ball 201.

The upper surface of the rotating disc 102 is provided with a first T-shaped groove 1021, the upper surface of the bearing disc 103 is provided with a second T-shaped groove 1031, an I-shaped connecting batten 105 is arranged between the first T-shaped groove 1021 and the second T-shaped groove 1031, the I-shaped connecting batten 105 can be pulled back and forth in the first T-shaped groove 1021 and the second T-shaped groove 1031, when a vibrator is used for uniformly mixing, the I-shaped connecting batten 105 is pulled out, the bearing disc 103 can vibrate up and down under the action of the spring 104 and the vibrator, when the driving motor 101 is used for uniformly mixing, the I-shaped connecting batten 105 is inserted into the first T-shaped groove 1021 and the second T-shaped groove 1031, and the rotating disc 102 and the bearing disc 103 are fixed more stably.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims

1. A formaldehyde detection device is characterized by comprising a blending device and a formaldehyde detection device; the mixing device comprises a rotating motor, a rotating disc is arranged on the rotating motor, a bearing disc is arranged on the upper portion of the rotating disc, springs are arranged between the bearing disc and the rotating disc, three sets of formaldehyde detection devices with the same structure are uniformly arranged on the bearing disc, each formaldehyde detection device comprises a Y-shaped reaction vessel, a transparent glass observation box body is arranged on the lower portion of the Y-shaped reaction vessel, and a colorimetric plate is arranged on one side of the transparent glass observation box body; the Y-shaped reaction vessel comprises a transparent hollow sphere, a phenol reagent tube and a high-iron ion color reagent tube are arranged at the upper end of the transparent hollow sphere, the phenol reagent tube and the high-iron ion color reagent tube are communicated with the hollow sphere, a guide pipe is arranged at the lower end of the transparent hollow sphere, and the guide pipe is communicated with the transparent glass observation box body.

2. The formaldehyde detection device according to claim 1, wherein a rubber plug is arranged on the phenol reagent tube, a formaldehyde inlet tube is arranged on the rubber plug, the lower end of the formaldehyde inlet tube reaches the bottom of the phenol reagent tube, and a formaldehyde gas injector is arranged at the upper end of the formaldehyde inlet tube.

3. The formaldehyde detecting device according to claim 1, wherein a first control valve is disposed on the phenol reagent tube, a second control valve is disposed on the ferric ion color reagent tube, and a third control valve is disposed on the conduit.

4. The formaldehyde detecting device according to claim 1, wherein the phenol reagent tube and the high-iron-ion color reagent tube are V-shaped on the transparent hollow sphere.

5. The formaldehyde detecting device according to claim 4, wherein the cross section of the bottom of the transparent glass observation box body is a right triangle, and a waste liquid outlet is arranged at the thinner end of the bottom of the transparent glass observation box body.

6. The formaldehyde detecting device according to claim 5, wherein a vibrator is disposed in the middle of the lower surface of the supporting plate.

7. The formaldehyde detecting device according to claim 6, wherein a first T-shaped groove is formed in the upper surface of the rotating disc, a second T-shaped groove is formed in the upper surface of the bearing disc, and an I-shaped connecting strip is arranged between the first T-shaped groove and the second T-shaped groove.