CN216747613U

CN216747613U - VOC on-line measuring device in waste gas

Info

Publication number: CN216747613U
Application number: CN202122776743.6U
Authority: CN
Inventors: 崔鹰
Original assignee: Yuchang E&e (shanghai) Co ltd
Current assignee: Yuchang E&e (shanghai) Co ltd
Priority date: 2021-11-12
Filing date: 2021-11-12
Publication date: 2022-06-14
Anticipated expiration: 2031-11-12

Abstract

The utility model discloses a VOC on-line measuring device in waste gas, including the fixed plate, one side fixed mounting of fixed plate has the motor, fixedly connected with collecting box on the output shaft of motor, and the entrance of collecting box is equipped with the suction mechanism, and the top of collecting box is equipped with filtering mechanism, and the access & exit has been seted up to one side of collecting box, and the spout has been seted up to the inner chamber of collecting box, and spout and access & exit are linked together, and the activity inlays in the spout and is equipped with the movable plate, is equipped with fixed establishment between movable plate and the collecting box. The utility model discloses an air exhauster in the first draw-in groove of start absorbs to the collecting box to waste gas on every side, and waste gas filters through the filter screen in the second draw-in groove, advances the waste gas after filtering and VOC detector contact and detect, and the waste gas that has detected passes through the outside discharge of gas outlet, and the air exhauster extraction waste gas can accelerate detection rate to and when exhaust gas concentration is not high easy dispersion, the air exhauster can be in the same place the waste gas absorption, be convenient for detect.

Description

VOC on-line measuring device in waste gas

Technical Field

The utility model relates to a VOC detection device specifically is a VOC on-line measuring device in waste gas.

Background

VOCs are acronyms for volatile organic compounds (volatile organic compounds). VOCs in the general sense are commanding organic matters; but the definition in the meaning of environmental protection means an active volatile organic compound, namely a volatile organic compound which can cause harm, and the online detection device for the VOC in the waste gas is a device for detecting the VOC in the waste gas.

At present, the VOC detection device of most existing VOC detects in real time the VOC in the waste gas, because often there are other impurity dust dirts etc. in the waste gas, therefore can cause the production of VOC detection device when detecting and lead to the error, detect inaccurately. Therefore, we improve the above and provide an online detection device for VOC in exhaust gas.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to an on-line detection device for VOC in waste gas, which comprises a fixed plate, a motor which is arranged on the fixed plate and used for driving, and a VOC detector which comprises an alarm module, a detection module, a signal output module and other structures, wherein a collecting box is fixedly connected on an output shaft of the motor, a speed reducer is arranged between the output shaft of the motor and the collecting box, an air suction mechanism is arranged at the inlet of the collecting box, the top end of the collecting box is provided with a filtering mechanism, one side of the collecting box is provided with an inlet and an outlet, the inner cavity of the collecting box is provided with a chute, the chute is communicated with the entrance, a movable plate is movably embedded in the chute, a fixed mechanism is arranged between the movable plate and the collecting box, the top of movable plate has seted up the joint groove, the VOC detector joint is in the joint groove, be equipped with stop gear between one side in joint groove and the VOC detector.

As an optimal technical scheme of the utility model, the back of collecting box is seal structure, and the back of collecting box has seted up a plurality of gas outlets.

As a preferred technical scheme of the utility model, the suction mechanism includes first draw-in groove and air exhauster, first draw-in groove is seted up on the top of collecting box, air exhauster activity joint is in first draw-in groove.

As a preferred technical scheme of the utility model, filtering mechanism includes second draw-in groove and filter screen, the top at the collecting box is seted up to the second draw-in groove, filter screen activity joint is in the second draw-in groove.

As a preferred technical scheme of the utility model, fixed establishment includes screw and screw, the screw is seted up in one side of movable plate, screw and collecting box threaded connection are run through in the screw activity.

As a preferred technical scheme of the utility model, stop gear includes spring and roof, spring fixed connection is in one side in joint groove, roof fixed connection is in the one end of spring.

The beneficial effects of the utility model are that:

1. this kind of VOC on-line measuring device in waste gas, absorb to the collecting box through the air exhauster that starts in the first draw-in groove to waste gas on every side, waste gas filters through the filter screen in the second draw-in groove, waste gas after the filtration contacts and detects with the VOC detector, the waste gas that has detected passes through the gas outlet and outwards discharges, air exhauster extraction waste gas can accelerate detection rate, and when waste gas concentration is not high easy to disperse, the air exhauster can be in the same place the waste gas absorption gathering, be convenient for detect.

2. This kind of VOC on-line measuring device in waste gas makes the output shaft of motor can drive the collecting box through starter motor and carries out the degree rotation, and then can make the air exhauster carry out the adjustment of angle, thereby is convenient for absorb the waste gas of different angles and detects, has strengthened the practicality.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the principles of the invention. In the drawings:

fig. 1 is a schematic structural view of an online detection device for VOC in exhaust gas of the present invention;

fig. 2 is a schematic structural view of an air suction mechanism of the online detection device for VOC in exhaust gas of the present invention;

fig. 3 is a schematic view of the top view structure of the moving plate of the online detection device for VOC in exhaust gas of the present invention;

fig. 4 is a schematic view of the back structure of the collecting box of the online detection device for VOC in exhaust gas of the present invention.

In the figure: 1. a fixing plate; 2. a motor; 3. a collection box; 4. a suction mechanism; 401. a first card slot; 402. an exhaust fan; 5. a filtering mechanism; 501. a second card slot; 502. a filter screen; 6. an entrance and an exit; 7. a chute; 8. moving the plate; 9. a fixing mechanism; 901. a screw hole; 902. a screw; 10. a clamping groove; 11. a VOC detector; 12. a limiting mechanism; 121. a spring; 122. a top plate; 13. and an air outlet.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

The embodiment is as follows: as shown in fig. 1, fig. 2, fig. 3 and fig. 4, the device for online detection of VOC in exhaust gas of the present invention comprises a fixed plate 1, a motor 2 mounted on the fixed plate 1 for driving, and a VOC detector 11 containing an alarm module, a detection module, a signal output module, etc., wherein a collecting box 3 is fixedly connected to an output shaft of the motor 2, a speed reducer is disposed between the output shaft of the motor 2 and the collecting box 3, an air suction mechanism 4 is disposed at an inlet of the collecting box 3, a filtering mechanism 5 is disposed at a top end of the collecting box 3, an inlet 6 and an outlet 6 are disposed at one side of the collecting box 3, a chute 7 is disposed in an inner cavity of the collecting box 3, the chute 7 is communicated with the inlet 6, a movable plate 8 is movably embedded in the chute 7, a fixing mechanism 9 is disposed between the movable plate 8 and the collecting box 3, a clamping groove 10 is disposed at a top end of the movable plate 8, and the VOC detector 11 is clamped in the clamping groove 10, a limiting mechanism 12 is arranged between one side of the clamping groove 10 and the VOC detector 11.

The back of the collecting box 3 is of a sealing structure, the back of the collecting box 3 is provided with a plurality of air outlets 13, and waste gas can be discharged outwards through the air outlets 13.

Wherein, air suction mechanism 4 includes first draw-in groove 401 and air exhauster 402, and first draw-in groove 401 is seted up on the top of collecting box 3, and air exhauster 402 activity joint is in first draw-in groove 401, and air exhauster 402 in the first draw-in groove 401 of starting absorbs to collecting box 3 in to the waste gas on every side.

Wherein, filtering mechanism 5 includes second draw-in groove 501 and filter screen 502, and second draw-in groove 501 is seted up on the top of collecting box 3, and filter screen 502 activity joint can filter waste gas through filter screen 502 in the second draw-in groove 501 in the second draw-in groove, and the waste gas after advancing the filtration contacts and detects with VOC detector 11.

The fixing mechanism 9 comprises a screw hole 901 and a screw 902, the screw hole 901 is formed in one side of the movable plate 8, the screw 902 movably penetrates through the screw hole 901 to be in threaded connection with the collecting box 3, and the movable plate 8 in the sliding groove 7 can be pulled to be moved out of the inlet and outlet 6 by loosening the screw 902 in the screw hole 901.

Wherein, stop gear 12 includes spring 121 and roof 122, and spring 121 fixed connection is in one side of joint groove 10, and roof 122 fixed connection is in the one end of spring 121, makes spring 121 shrink and make VOC detector 11 can take out the maintenance change through pulling roof 122 to be convenient for fix the VOC detector 11 of different models size.

When the device works, the exhaust fan 402 in the first clamping groove 401 is started to absorb the surrounding waste gas into the collection box 3, the waste gas is filtered by the filter screen 502 in the second clamping groove 501, the filtered waste gas is contacted with the VOC detector 11 and detected, the detected waste gas is discharged outwards through the gas outlet 13, the motor 2 is started to enable the output shaft of the motor 2 to slowly drive the collection box 3 to rotate for 360 degrees, so that the exhaust fan 402 can adjust the angle, the waste gas at different angles can be absorbed and detected, the exhaust fan 402 and the filter screen 502 in the first clamping groove 401 and the second clamping groove 501 are taken out, the exhaust fan 402 and the filter screen 502 can be maintained and replaced conveniently, screws 902 in screw holes 901 are loosened, the movable plate 8 in the sliding groove 7 is dragged to move out from the inlet and outlet 6, the spring 121 is contracted by pulling the top plate 122, so that the VOC detector 11 can be taken out for maintenance and replacement, and the VOC detectors 11 with different models and sizes can be fixed conveniently.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An online detection device for VOC in waste gas comprises a fixed plate (1), a motor (2) which is installed on the fixed plate (1) and used for driving, and a VOC detector (11) which comprises an alarm module, a detection module, a signal output module and the like, and is characterized in that a collecting box (3) is fixedly connected to an output shaft of the motor (2), a speed reducer is arranged between the output shaft of the motor (2) and the collecting box (3), an air suction mechanism (4) is arranged at an inlet of the collecting box (3), a filtering mechanism (5) is arranged at the top end of the collecting box (3), an inlet and an outlet (6) are arranged at one side of the collecting box (3), a chute (7) is arranged in an inner cavity of the collecting box (3), the chute (7) is communicated with the inlet and the outlet (6), a movable plate (8) is movably embedded in the chute (7), and a fixing mechanism (9) is arranged between the movable plate (8) and the collecting box (3), a clamping groove (10) is formed in the top end of the moving plate (8), the VOC detector (11) is clamped in the clamping groove (10), and a limiting mechanism (12) is arranged between one side of the clamping groove (10) and the VOC detector (11).

2. The on-line detection device for VOC in exhaust gas as claimed in claim 1, characterized in that the back of said collection box (3) is a sealed structure, and the back of said collection box (3) is opened with several air outlets (13).

3. The device for detecting VOC in exhaust gas as claimed in claim 1, wherein said air suction mechanism (4) comprises a first slot (401) and an exhaust fan (402), said first slot (401) is opened at the top end of said collection box (3), said exhaust fan (402) is movably clamped in said first slot (401).

4. The device for detecting VOC in exhaust gas as claimed in claim 1, wherein said filtering mechanism (5) comprises a second slot (501) and a filter screen (502), said second slot (501) is opened on top of said collecting box (3), said filter screen (502) is movably clamped in said second slot (501).

5. The device for detecting VOC in exhaust gas as claimed in claim 1, wherein said fixing mechanism (9) comprises a screw hole (901) and a screw (902), said screw hole (901) is opened at one side of the moving plate (8), said screw (902) movably penetrates through the screw hole (901) to be connected with the collecting box (3) by screw thread.

6. The device for detecting VOC in exhaust gas as claimed in claim 1, wherein said position-limiting mechanism (12) comprises a spring (121) and a top plate (122), said spring (121) is fixedly connected to one side of said clamping groove (10), said top plate (122) is fixedly connected to one end of said spring (121).