CN213423116U

CN213423116U - Fixed pollution sources waste gas VOCs on-line monitoring equipment

Info

Publication number: CN213423116U
Application number: CN202022214674.5U
Authority: CN
Inventors: 王颖
Original assignee: Jiangsu Jialian Environmental Technology Co ltd
Current assignee: Jiangsu Jialian Environmental Technology Co ltd
Priority date: 2020-10-09
Filing date: 2020-10-09
Publication date: 2021-06-11
Anticipated expiration: 2030-10-09

Abstract

The utility model discloses a fixed pollution source waste gas VOCs online monitoring device, which comprises a shell, wherein one side of the shell is communicated with a corrugated pipe, one end of the corrugated pipe is fixedly connected with a collecting cover, the outer side wall of the collecting cover is fixedly connected with a plate body, and one side of the plate body is provided with a first through hole; through the suction fan at the second body, the inside production negative pressure space of first body and bellows, waste gas is through dust and moisture absorption in filter plate and the dry box with waste gas, and then reduce the unsafe probability of detected data, arrange the inside of first body in with the detection contact, the first limiting plate of pulling makes the detection contact break away from first body, the maintenance of the detection contact of being convenient for is changed and is clean, and then the accuracy that detects is increased, utilize the first limiting plate of spring promotion, the first limiting plate promotes the detection contact, make the detection contact with waste gas contact all the time, avoided the detection contact to break away from waste gas, lead to the monitoring data inaccurate.

Description

Fixed pollution sources waste gas VOCs on-line monitoring equipment

Technical Field

The utility model relates to a gaseous detection technology field specifically is a fixed pollution sources waste gas VOCs on-line monitoring equipment.

Background

VOCs are volatile organic compounds, which refer to any volatile organic solid or liquid at normal temperature and pressure, and the artificial emission mainly comes from the incomplete combustion process in production and life and the industrial fields related to the volatilization and dissipation process of organic products, such as petrochemical industry, furniture coating industry and the like, and the hazard of VOCs is greatly expressed in the following aspects: when the concentration of volatile organic compounds in the indoor air is too high, acute poisoning such as formaldehyde is easily caused.

The invention is disclosed in China: CN206671294U discloses an online monitoring device for VOCs, comprising a shell, a sampling probe, a sampling pipeline, a gas transmission pipeline and a monitor body in the shell, wherein the sampling probe is connected with one end of the sampling pipeline, the other end of the sampling pipeline is connected with the gas transmission pipeline, the gas transmission pipeline is arranged in the shell, the device can realize quick and effective heat dissipation through the heat dissipation mechanism, effectively shortens the time of high-low temperature conversion, improves the working efficiency, has simple structure, convenient sampling and strong applicability, however, when the device is used, the sampling probe is in direct contact with the waste gas, so that dust and water in the waste gas are attached to the surface of the probe, and the sampling probe is externally arranged, which not only easily causes the damage of the sampling probe, but also easily separates from the waste gas during the use process, therefore, the efficiency of detection work is influenced, and finally, the detection data are inaccurate, so that the on-line monitoring equipment for the waste gas VOCs of the fixed pollution source is provided.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a fixed pollution sources waste gas VOCs on-line monitoring equipment.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: an online monitoring device for waste gas VOCs (volatile organic compounds) of a fixed pollution source comprises a shell, wherein one side of the shell is communicated with a corrugated pipe, one end of the corrugated pipe is fixedly connected with a collecting cover, the outer side wall of the collecting cover is fixedly connected with a plate body, one side of the plate body is provided with a first through hole, one side of the shell is fixedly connected with a hook, the inner side wall of the shell is fixedly connected with a box body, the inner side wall of the box body is attached with a drying box, the inner side wall of the box body is attached with a filter plate, one side of the box body is communicated with a first pipe body, the inner bottom wall of the shell is fixedly connected with a data analyzer, the outer side wall of the first pipe body is provided with a second through hole, the outer side wall of the first pipe body is attached with a first limiting plate, the, the electrical output end of the detection contact is electrically connected with the electrical input end of the data analyzer through a connecting wire, one end of the connecting wire penetrates through the first limiting plate, a spring is sleeved on the outer side wall of the connecting wire, one end of the spring is fixedly connected to the lower surface of the first limiting plate, the other end of the spring is fixedly connected to the upper surface of the data analyzer, a gas purifier is fixedly connected with the bottom wall inside the shell, one end of the first pipe body is communicated with a gas inlet of the gas purifier, the gas outlet of the gas purifier is communicated with a second pipe body, one end of the second pipe body penetrates through the inner side wall of the shell, a suction fan is arranged on one side of the shell and is arranged opposite to the second pipe body, a groove is arranged on the upper surface of the shell, the display screen is installed to the inside wall of recess, the last surface mounting of casing has the warning light.

Preferably, four universal wheels are symmetrically and fixedly connected to four corners of the lower surface of the shell.

Preferably, the upper surface of box has a door body through hinge joint, the last fixed surface of the door body is connected with the box, the last fixed surface of box is connected with the son and detains, the son detain with the box buckle is connected.

Preferably, a sealing washer is bonded to the inner side wall of the second through hole, and the inner side wall of the sealing washer is bonded to the outer side wall of the detection contact.

Preferably, a protective cover is welded on one side of the shell, the outer side of the suction fan is fixedly connected to the inner side wall of the protective cover, and third through holes are uniformly formed in one side of the protective cover.

Preferably, the drying box and one side adjacent to the filter plate are both laminated with a second limiting plate, and the lower surface of the second limiting plate is welded on the inner bottom wall of the box body.

(III) advantageous effects

Compared with the prior art, the utility model provides a fixed pollution sources waste gas VOCs on-line monitoring equipment possesses following beneficial effect:

a negative pressure space is generated inside the second tube body, the first tube body and the corrugated tube through the suction fan, so that the waste gas is ensured to smoothly enter the device, the dust and the moisture in the waste gas are absorbed by the waste gas through the filter plate and the drying box, thereby reducing the probability of inaccurate detection data, arranging the detection contact inside the first pipe body, pulling the first limit plate to separate the detection contact from the first pipe body, facilitating the maintenance, replacement and cleaning of the detection contact, thereby increasing the detection accuracy, the first limiting plate is pushed by the spring and pushes the detection contact, the detection contact is always contacted with the waste gas, the detection contact is prevented from being separated from the waste gas, the monitoring data is not accurate, the problem that the sampling probe is externally arranged is solved, the sampling probe is easy to damage, and in the use process, the sampling probe is easy to separate from the waste gas, so that the efficiency of detection work is influenced, and finally the problem of inaccurate detection data is caused.

Drawings

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

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

FIG. 3 is a left side view of the connection structure of the collecting cover and the plate body of the present invention;

fig. 4 is a schematic view of the top view structure of the box body of the present invention.

In the figure: 1. a housing; 2. a bellows; 3. a collection hood; 4. a first through hole; 5. a plate body; 6. hooking; 7. a box body; 8. drying the box; 9. a filter plate; 10. a first pipe body; 11. a data analyzer; 12. a second through hole; 13. a first limit plate; 14. detecting a contact; 15. a connecting wire; 16. a spring; 17. a gas purifier; 18. a second tube body; 19. a suction fan; 20. a groove; 21. a display screen; 22. a warning light; 23. a universal wheel; 24. a hinge; 25. a door body; 26. a female buckle; 27. a sub-buckle; 28. a sealing gasket; 29. a protective cover; 30. a third through hole; 31. and a second limiting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a fixed pollution sources waste gas VOCs on-line monitoring equipment, which comprises a housin 1, one side intercommunication of casing 1 has bellows 2, bellows 2's one end fixedly connected with collects cover 3, collect the lateral wall fixedly connected with plate body 5 of cover 3, first through-hole 4 has been seted up to one side of plate body 5, one side fixedly connected with couple 6 of casing 1, casing 1's inside wall fixedly connected with box 7, the inside wall laminating of box 7 has dry box 8, the inside wall laminating of box 7 has filter 9, one side intercommunication of box 7 has first body 10, the inside diapire fixedly connected with data analysis appearance 11 of casing 1, second through-hole 12 has been seted up to the lateral wall of first body 10, the lateral wall laminating of first body 10 has first limiting plate 13, the last fixed surface of first limiting plate 13 is connected with detection contact 14, the one end of detection contact 14 runs through second through-hole 12, the electrical output end of detection contact 14 passes through connecting wire 15 and is connected with the electrical input Connect, first limiting plate 13 is run through to the one end of connecting wire 15, the lateral wall cover of connecting wire 15 is equipped with spring 16, spring 16's one end fixed connection is in the lower surface of first limiting plate 13, spring 16's other end fixed connection is in the upper surface of data analysis appearance 11, the gaseous clarifier 17 of inside diapire fixedly connected with of casing 1, the one end of first body 10 communicates in the air inlet of gaseous clarifier 17, the gas outlet intercommunication of gaseous clarifier 17 has second body 18, the one end of second body 18 runs through the inside wall of casing 1, one side of casing 1 is equipped with suction fan 19 and sets up relatively with second body 18, casing 1's upper surface is seted up flutedly 20, display screen 21 is installed to the inside wall of flutedly 20, the last surface mounting of casing 1 has warning light 22.

In this embodiment, specifically: four universal wheels 23 are symmetrically and fixedly connected to four corners of the lower surface of the shell 1; the universal wheels 23 are provided to facilitate movement of the device.

In this embodiment, specifically: the upper surface of the box body 7 is hinged with a door body 25 through a hinge 24, the upper surface of the door body 25 is fixedly connected with a female buckle 26, the upper surface of the box body 7 is fixedly connected with a male buckle 27, and the male buckle 27 is connected with the female buckle 26 in a buckling manner; the door body 25 is arranged to facilitate replacement of the drying box 8 and the filter plate 9, and the male button 27 and the female button 26 are arranged to prevent the door body 25 from being opened randomly.

In this embodiment, specifically: a sealing gasket 28 is adhered to the inner side wall of the second through hole 12, and the inner side wall of the sealing gasket 28 is adhered to the outer side wall of the detection contact 14; the material of the sealing washer 28 is rubber, and the sealing washer 28 is arranged to prevent exhaust gas from flowing out through the second through hole 12.

In this embodiment, specifically: a protective cover 29 is welded on one side of the shell 1, the outer side of the suction fan 19 is fixedly connected to the inner side wall of the protective cover 29, and third through holes 30 are uniformly formed in one side of the protective cover 29; the arrangement of the protective cover 29 can support the suction fan 19 and avoid the suction fan 19 in the sundries machine, and the arrangement of the third through hole 30 is convenient for the suction fan 19 to exhaust.

In this embodiment, specifically: a second limiting plate 31 is attached to one side of the drying box 8 adjacent to the filter plate 9, and the lower surface of the second limiting plate 31 is welded to the inner bottom wall of the box body 7; set up second limiting plate 31 and can avoid dry box 8 and filter 9 to take place the displacement in box 7 inside, and then guarantee to filter the dust and the moisture that contain in the waste gas.

In this embodiment: the model of the suction fan 19 is MX-FB 900.

In this embodiment: a switch group for controlling the start and the stop of the suction fan 19, the data analyzer 11, the gas purifier 17 and the display screen 21 is installed on one side of the shell 1, and the switch group is connected with an external commercial power and used for supplying power to the suction fan 19, the data analyzer 11, the gas purifier 17 and the display screen 21.

To sum up, the working principle and working process of the on-line monitoring device for waste gas VOCs in fixed pollution sources are that, the material in the drying box 8 of the present invention can be macromolecule nanometer absorbent cotton, when in use, the bellows 2 is taken down from the hook 6, the collecting cover 3 is arranged at the exhaust position of waste gas, the collecting cover 3 can be temporarily fixed at the exhaust position through the first through hole 4 on the plate body 5, the switch group is pressed down, the suction fan 19, the data analyzer 11, the gas purifier 17 and the display screen 21 run simultaneously, the suction fan 19 forms negative pressure inside the first tube 10, the second tube 18 and the bellows 2, so that the waste gas enters the box body 7 through the bellows 2, the waste gas is filtered by the filter plate 9, the dust particles contained in the waste gas are removed, the waste gas passes through the drying box 8 again, the moisture contained in the waste gas is removed, and the moisture and dust are prevented from attaching to the detection contact 14, and then make the detected data more accurate, waste gas continues to move through detection contact 14, detection contact 14 passes through connecting wire 15 with data transfer for data analysis 11 and carries out analysis processes, and then show data on display screen 21, if the harmful gas that contains in the waste gas exceeds the specified value, warning light 22 scintillation, waste gas gets into gas purifier 17 after detecting contact 14, discharge through second body 18 again, when detecting contact 14 insensitive, can stimulate first limiting plate 13, and then take out detection contact 14 and maintain the change, spring 16 can guarantee that detection contact 14 does not receive under the condition of external force, place in the inside of first body 10 all the time, after using a period, can also open door body 25, change drying box 8 and filter 9, and then guaranteed the accuracy of data.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a fixed pollution sources waste gas VOCs on-line monitoring equipment, includes casing (1), its characterized in that: one side of the shell (1) is communicated with a corrugated pipe (2), one end of the corrugated pipe (2) is fixedly connected with a collecting cover (3), the outer side wall of the collecting cover (3) is fixedly connected with a plate body (5), one side of the plate body (5) is provided with a first through hole (4), one side of the shell (1) is fixedly connected with a hook (6), the inner side wall of the shell (1) is fixedly connected with a box body (7), the inner side wall of the box body (7) is attached with a drying box (8), the inner side wall of the box body (7) is attached with a filter plate (9), one side of the box body (7) is communicated with a first pipe body (10), the inner bottom wall of the shell (1) is fixedly connected with a data analyzer (11), the outer side wall of the first pipe body (10) is provided with a second through hole (12), the outer side wall of the first pipe body, the upper surface of the first limiting plate (13) is fixedly connected with a detection contact (14), one end of the detection contact (14) penetrates through the second through hole (12), an electrical output end of the detection contact (14) is electrically connected with an electrical input end of the data analyzer (11) through a connecting wire (15), one end of the connecting wire (15) penetrates through the first limiting plate (13), the outer side wall of the connecting wire (15) is sleeved with a spring (16), one end of the spring (16) is fixedly connected with the lower surface of the first limiting plate (13), the other end of the spring (16) is fixedly connected with the upper surface of the data analyzer (11), the inner bottom wall of the shell (1) is fixedly connected with a gas purifier (17), one end of the first pipe body (10) is communicated with the gas inlet of the gas purifier (17), the gas outlet intercommunication of gas purifier (17) has second body (18), the one end of second body (18) is run through the inside wall of casing (1), one side of casing (1) be equipped with suction fan (19) and with second body (18) set up relatively, the upper surface of casing (1) is seted up flutedly (20), display screen (21) are installed to the inside wall of recess (20), the last surface mounting of casing (1) has warning light (22).

2. The on-line monitoring equipment for VOCs in waste gas of stationary pollution source according to claim 1, characterized in that: four universal wheels (23) are symmetrically and fixedly connected to four corners of the lower surface of the shell (1).

3. The on-line monitoring equipment for VOCs in waste gas of stationary pollution source according to claim 1, characterized in that: the upper surface of box (7) articulates through hinge (24) has a door body (25), the last fixed surface of door body (25) is connected with box (26), the last fixed surface of box (7) is connected with son and detains (27), son detain (27) with box (26) buckle is connected.

4. The on-line monitoring equipment for VOCs in waste gas of stationary pollution source according to claim 1, characterized in that: and a sealing gasket (28) is bonded on the inner side wall of the second through hole (12), and the inner side wall of the sealing gasket (28) is attached to the outer side wall of the detection contact (14).

5. The on-line monitoring equipment for VOCs in waste gas of stationary pollution source according to claim 1, characterized in that: one side welding of casing (1) has protection casing (29), the outside fixed connection of suction fan (19) in the inside wall of protection casing (29), third through-hole (30) have evenly been seted up to one side of protection casing (29).

6. The on-line monitoring equipment for VOCs in waste gas of stationary pollution source according to claim 1, characterized in that: the drying box (8) with one side that filter (9) are adjacent all is laminated with second limiting plate (31), the lower surface of second limiting plate (31) weld in the inside diapire of box (7).