CN214680713U

CN214680713U - Mercury vapor emission purifying equipment

Info

Publication number: CN214680713U
Application number: CN202120766296.3U
Authority: CN
Inventors: 托马斯·伯格利; 李·理查
Original assignee: Shougu Optoelectronics Jiangsu Co Ltd
Current assignee: Shougu Optoelectronics Jiangsu Co Ltd
Priority date: 2021-04-15
Filing date: 2021-04-15
Publication date: 2021-11-12
Anticipated expiration: 2031-04-15

Abstract

The utility model relates to the technical field of waste gas purification, and specifically discloses a mercury vapor discharge purification device, comprising a production device, a filter and a vacuum pumping mechanism; a plurality of production devices are provided, and a vacuum pumping device is installed at the bottom of each production device Mechanism, the vacuuming mechanism is connected to the exhaust main pipe through the exhaust branch pipe. The vacuuming mechanism is used to evacuate the lamp and then discharge the exhaust gas to the exhaust main pipe through the exhaust branch pipe, and the exhaust main pipe is connected to the air inlet of the filter through the first fan. ; The interior of the filter is provided with a filter cavity and an absorption cavity. The utility model introduces the exhaust gas discharged from the vacuuming mechanism into the filter through the exhaust branch pipe and the exhaust main pipe, filters the dust in the exhaust gas through the filter screen plate in the filter, and absorbs the mercury in the exhaust gas through the absorption filter plate. , so that the mercury reacts with the absorbent to generate mercury sulfide, which is deposited in the activated carbon gap of the absorption filter plate, thereby achieving the purpose of removing mercury and reducing environmental pollution.

Description

Mercury vapor emission purifying equipment

Technical Field

The utility model relates to an exhaust gas purification technical field specifically is a mercury vapor discharges clarification plant.

Background

Mercury, a heavy metal element, has a toxic vapor that can enter the human body through the breath and skin, damage the respiratory system and nervous system, and even cause death. Mercury is widely used in various industries, for example, in mineral mining industry, smelting and burning of heavy metals are easy to generate mercury vapor, and mercury lamps, electron tube instruments, mercury thermometers and other instruments directly use mercury elements. Mercury is volatile and often exists in vapor state, while mercury vapor and mercury salts are harmful to organisms, and have obvious toxicity and three-fold characteristics.

The discharge of mercury vapor drawn from the UV lamp tube must meet industry emission standards.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mercury vapor discharges clarification plant to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a mercury vapor emission purification device comprises production equipment, a filter and a vacuumizing mechanism; the production equipment is provided with a plurality of production equipment, the bottom of each production equipment is provided with a vacuumizing mechanism, the vacuumizing mechanism is communicated with an exhaust main pipe through an exhaust branch pipe, the vacuumizing mechanism is used for vacuumizing the lamp and then exhausting waste gas to the exhaust main pipe through the exhaust branch pipe, and the exhaust main pipe is communicated with an air inlet of the filter through a first fan; a filter cavity and an absorption cavity are arranged in the filter, and a plurality of obliquely arranged dust filter screen plates are arranged in the filter cavity at intervals; a plurality of obliquely arranged absorption filter plates are arranged in the absorption cavity at intervals; the gas vent has been seted up to the bottom one side in absorption chamber, and the gas vent passes through detection pipeline and second fan intercommunication mercury content detection device, and mercury content detection device intercommunication has delivery pipe up to standard and the circulation purge tube of control valve, and the circulation purge tube communicates the filter.

Preferably, the filtering cavity and the absorption cavity are separated by a partition plate, the upper part of the partition plate is provided with a vent hole for communicating the filtering cavity and the absorption cavity, and the air inlet is arranged on one side of the upper part of the filtering cavity.

Preferably, a closed screen plate is fixedly arranged at the top end of the dust filter screen plate.

Preferably, the bottom of the filter cavity is provided with a dust collecting partition plate, and a dust hopper is arranged below the dust collecting partition plate.

Preferably, the dust collecting hopper is communicated with the filter cavity through a dust collecting opening, and the bottom end of the dust filter screen plate is connected with the top end of the dust collecting opening.

Preferably, a plurality of reinforced absorption plates are connected between the left and right adjacent absorption filter plates.

Preferably, the upper end and the lower end of the absorption filter plate are fixedly connected with a closed absorption plate.

Preferably, the reinforced absorption plate, the absorption filter plate and the closed absorption plate are filled with sulfur-loaded activated carbon absorbent.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides a pair of mercury vapor discharge clarification plant, this filter equipment is responsible for the exhaust gas that contains a small amount of mercury and metal halide with the export exhaust of evacuation mechanism through exhaust branch and exhaust and is leading-in to the filter, filter the dust in to waste gas via the filter screen board in the filter, mercury in to waste gas through the absorption filter absorbs, deposit in the active carbon space of absorption filter after mercury and absorbent reaction behind the formation mercury sulfide, and then reach the purpose that removes mercury, guarantee workshop's air quality, reduce environmental pollution.

Drawings

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

fig. 2 is a schematic diagram of a specific structure of the filter of the present invention;

FIG. 3 is a schematic view of the filter plate of the present invention;

fig. 4 is a schematic view showing a specific structure of the absorption filter plate of the present invention.

In the figure: 1. production equipment; 2. a filter; 3. an exhaust branch pipe; 4. a main exhaust pipe; 5. a vacuum pumping mechanism; 6. a filter chamber; 7. an absorption chamber; 8. a partition plate; 9. a filter screen plate; 10. an absorption filter plate; 11. sealing the net plate; 12. a first fan; 13. reinforcing the absorption plate; 14. a dust collecting partition plate; 15. a second fan; 16. closing the absorption plate; 17. a mercury content detection device; 18. a standard discharge pipe; 19. a circulating purification pipe; 20. a dust collecting hopper.

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.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-4, the present invention provides a technical solution: a mercury vapor emission purifying device comprises a production device 1, a filter 2 and a vacuumizing mechanism 5; the production equipment 1 is provided with a plurality of production equipment 1, the bottom of each production equipment 1 is provided with a vacuumizing mechanism 5, the vacuumizing mechanism 5 is communicated with an exhaust main pipe 4 through an exhaust branch pipe 3, the vacuumizing mechanism 5 is used for vacuumizing the lamp and then exhausting waste gas to the exhaust main pipe 4 through the exhaust branch pipe 3, and the exhaust main pipe 4 is communicated with an air inlet of the filter 2 through a first fan 12; a filter cavity 6 and an absorption cavity 7 are arranged in the filter 2, and a plurality of dust filter screen plates 9 which are obliquely arranged are arranged in the filter cavity 6 at intervals; a plurality of obliquely arranged absorption filter plates 10 are arranged in the absorption cavity 7 at intervals; an exhaust port is formed in one side of the bottom of the absorption cavity 7 and is communicated with a mercury content detection device 17 through a detection pipeline and a second fan 15, the mercury content detection device 17 is communicated with a standard discharge pipe 18 with a control valve and a circulating purification pipe 19, and the circulating purification pipe 19 is communicated with the filter 2.

Further, the filtering cavity 6 and the absorbing cavity 7 are separated by a partition plate 8, the upper part of the partition plate 8 is provided with a vent hole for communicating the filtering cavity 6 with the absorbing cavity 7, and the air inlet is arranged on one side of the upper part of the filtering cavity 6.

Further, a closed screen plate 11 is fixedly arranged at the top end of the dust filter screen plate 9.

Furthermore, a dust collecting clapboard 14 is arranged at the bottom of the filter chamber 6, and a dust hopper 20 is arranged below the dust collecting clapboard 14.

Furthermore, the dust hopper 20 is communicated with the filter chamber 6 through a dust collecting opening, and the bottom end of the dust filter screen plate 9 is connected with the top end of the dust collecting opening.

Further, a plurality of reinforcing absorption plates 13 are connected between the left and right adjacent absorption filter plates 10.

Further, the upper and lower ends of the adsorption filter plate 10 are fixedly connected with a closed adsorption plate 16.

Furthermore, the reinforced absorption plate 13, the absorption filter plate 10 and the closed absorption plate 16 are filled with sulfur-loaded activated carbon absorbent.

The working principle is as follows: when the production equipment 1 works, the vacuumizing mechanism 5 carries out vacuumizing work on the lamp, the waste gas discharged by the vacuumizing mechanism 5 is under the action of the first fan 12, the waste gas is conveyed into the filter 2 through the exhaust branch pipe 3 and the exhaust main pipe 4, the waste gas generated by the vacuumizing mechanisms 5 enters the filter 2, the waste gas is firstly subjected to dust filtration through the filter cavity 6 inside the filter 2, when the waste gas passes through meshes on the filter screen plate 9, the dust on the filter screen plate 9 is intercepted layer by the filter screen plates 9, when the waste gas contains impurities with large particles, the filter screen plate 9 is obliquely arranged, the impurities enter the dust hopper 20 through the dust collecting port on the dust collecting partition plate 14 under the action of gravity to be collected, and subsequent cleaning is facilitated.

After dust in the waste gas is filtered, the dust is discharged into the absorption cavity 7 through the vent hole in the partition plate 8, and the absorbent on the absorption filter plate 10 inside the absorption cavity 7 fully reacts with mercury in the waste gas, so that after the mercury reacts with the sulfur-carrying activated carbon absorbent to generate mercury sulfide, the mercury sulfide is deposited in an activated carbon gap of the absorption filter plate, and the purpose of removing the mercury is further achieved.

The waste gas after mercury removal is introduced into a mercury content detection device 17 (model: WA-4) through a second fan 15, the mercury content in the purified waste gas is detected through the mercury content detection device 17, the waste gas reaching the national emission standard is discharged to the atmosphere through a standard discharge pipe 18, and the waste gas which does not reach the standard is reintroduced into the filter 2 through a circulating purification pipe 19 to carry out the next period of filtering operation.

It is worth noting that: the whole device realizes control to the device through the controller, and the controller is common equipment and belongs to the existing mature technology, and the electrical connection relation and the specific circuit structure of the controller are not repeated herein.

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. A mercury vapor emission purification device, characterized by: comprises production equipment (1), a filter (2) and a vacuum-pumping mechanism (5); the production equipment (1) is provided with a plurality of production equipment, the bottom of each production equipment (1) is provided with a vacuumizing mechanism (5), the vacuumizing mechanisms (5) are communicated with an exhaust main pipe (4) through an exhaust branch pipe (3), and the exhaust main pipe (4) is communicated with an air inlet of a filter (2) through a first fan (12); a filter cavity (6) and an absorption cavity (7) are arranged in the filter (2), and a plurality of dust filter screen plates (9) which are obliquely arranged are arranged in the filter cavity (6) at intervals; a plurality of obliquely arranged absorption filter plates (10) are arranged in the absorption cavity (7) at intervals; the exhaust port is opened to the bottom one side in absorption chamber (7), and the exhaust port passes through detection tube and second fan (15) intercommunication mercury content detection device (17), and mercury content detection device (17) intercommunication have discharge pipe (18) and circulation purge tube (19) up to standard of control valve, and circulation purge tube (19) intercommunication filter (2).

2. A mercury vapour emission purification device according to claim 1, characterized in that: the filter chamber (6) and the absorption chamber (7) are separated by a partition plate (8), the upper part of the partition plate (8) is provided with a vent hole for communicating the filter chamber (6) and the absorption chamber (7), and the air inlet is arranged on one side of the upper part of the filter chamber (6).

3. A mercury vapour emission purification device according to claim 1, characterized in that: and a closed screen plate (11) is fixedly arranged at the top end of the dust filter screen plate (9).

4. A mercury vapour emission purification device according to claim 1, characterized in that: the bottom of the filter cavity (6) is provided with a dust collecting clapboard (14), and a dust hopper (20) is arranged below the dust collecting clapboard (14).

5. A mercury vapour emission purification device according to claim 4, characterized in that: the dust collecting hopper (20) is communicated with the filter cavity (6) through a dust collecting opening, and the bottom end of the dust filter screen plate (9) is connected with the top end of the dust collecting opening.

6. A mercury vapour emission purification device according to claim 1, characterized in that: a plurality of reinforced absorption plates (13) are connected between the left and right adjacent absorption filter plates (10).

7. A mercury vapour emission purification device according to claim 1, characterized in that: the upper end and the lower end of the absorption filter plate (10) are fixedly connected with a closed absorption plate (16).

8. A mercury vapour emission purification device according to claim 6 or 7, characterized in that: the interior of the reinforced absorption plate (13), the absorption filter plate (10) and the closed absorption plate (16) are filled with sulfur-loaded activated carbon absorbent.