CN212818876U

CN212818876U - Flue gas treatment device

Info

Publication number: CN212818876U
Application number: CN202021106194.0U
Authority: CN
Inventors: 孙得涛
Original assignee: Gansu Yuanbolong Cultural Development Co ltd
Current assignee: Gansu Yuanbolong Cultural Development Co ltd
Priority date: 2020-06-16
Filing date: 2020-06-16
Publication date: 2021-03-30
Anticipated expiration: 2030-06-16

Abstract

The utility model relates to a flue gas processing apparatus, its characterized in that: a top cover (10) is arranged at the top of the absorption tower (1), and a smoke collecting pipe (2) from the intermediate frequency copper smelting furnace is inserted into the absorption tower (1) from the top cover (10) through a fan (3); a water pump (5) is arranged on the top cover (10), a water inlet of the water pump (5) is connected with a circulating water pipe (4), and the port of the circulating water pipe (4) is connected with one side of the lower part of the absorption tower (1); the water outlet of the water pump (5) is respectively connected with a first-stage water spray pipe (6) and a second-stage water spray pipe (7), and the first-stage water spray pipe (6) and the second-stage water spray pipe (7) are inserted into the absorption tower (1). Overall structure design is simple, through tertiary absorption, makes the smoke and dust in the absorption tower obtain comprehensive absorption and handles, and the treatment effect is obvious, and is efficient, and it is lower to make use cost.

Description

Flue gas treatment device

Technical Field

The utility model belongs to the technical field of the environmental protection facility, concretely relates to flue gas processing apparatus.

Background

The lost wax method is also called 'melting mould method', which is a precision casting method for bronze and other metal articles, and is characterized by that it uses wax to make casting mould, and applies the moulding material on the casting mould to form integral casting mould. Heating the casting mould to remove wax, forming a cavity casting mould, pouring liquid metal, and cooling to obtain a formed casting. In the prior art, copper casting is carried out through a plurality of procedures, including a plurality of procedures, such as sculpturing, silica gel mold making, wax filling, slurry dipping, dewaxing, roasting, casting, trimming, polishing, coloring and the like. In the copper smelting furnace used in the roasting process in the prior art, the generated tail gas contains zinc dust and cannot be directly discharged, and how to discharge the zinc dust after reaching the standard through effective treatment is the subject of the research of the application.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides a flue gas treatment device.

In order to achieve the purpose, the utility model adopts the following technical scheme: a flue gas treatment device is characterized in that: a top cover is arranged at the top of the absorption tower, and a smoke collecting pipe from the intermediate frequency copper smelting furnace is inserted into the absorption tower from the top cover through a fan; the top cover is provided with a water pump, a water inlet of the water pump is connected with a circulating water pipe, and the port of the circulating water pipe is connected with one side of the lower part of the absorption tower; the water outlet of the water pump is respectively connected with a primary water spray pipe and a secondary water spray pipe, and the primary water spray pipe and the secondary water spray pipe are inserted into the absorption tower; the top of the absorption tower is provided with a smoke discharging chimney.

And a water replenishing pipe is further arranged on one side of the middle part of the absorption tower, and a water level pipe is arranged on the lower part of the absorption tower and used for observing the water level.

The pipe orifices of the smoke collecting pipe, the primary water spraying pipe and the secondary water spraying pipe are all connected with a bell mouth; the bell mouth of the smoke collecting pipe is 5-10 cm from the water surface, the distance between the pipe mouth of the first-stage water spraying pipe and the pipe mouth of the smoke collecting pipe is one third of the length of the smoke collecting pipe inserted into the absorption tower, and the distance between the pipe mouth of the second-stage water spraying pipe and the pipe mouth of the smoke collecting pipe is two thirds of the length of the smoke collecting pipe inserted into the absorption tower.

The bottom of the absorption tower is provided with a detachable slag discharge port bottom plate for cleaning deposited waste slag.

The utility model has the advantages that: the whole structure is simple in design, the lower part of the absorption tower contains water, the smoke collecting pipe discharges smoke towards the water surface, the first dust collection treatment is carried out, and zinc ash in the smoke is deposited in the water; the first-stage water spraying pipe sprays for secondary smoke dust absorption, and the second-stage water spraying pipe sprays for third smoke dust absorption; the bell mouth heights of the smoke collecting pipe, the primary water spraying pipe and the secondary water spraying pipe are respectively positioned at the upper section, the middle section and the lower section above the water surface of the absorption tower, so that the smoke dust in the absorption tower is comprehensively absorbed and treated, the treatment effect is obvious, and the efficiency is high. The manufacturing and using cost is low.

Drawings

FIG. 1 is a front view of the present invention;

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

in the figure: 1-absorption tower, 2-smoke collecting pipe, 3-fan, 4-circulating water pipe, 5-water pump, 6-first stage water spray pipe, 7-second stage water spray pipe, 8-slag discharge port bottom plate, 9-water level pipe, 10-top cover, 11-smoke discharge chimney and 12-water replenishing pipe.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

Embodiment 1, see fig. 1-2, a flue gas treatment device, characterized in that: the top of the absorption tower 1 is provided with a top cover 10, and a smoke collecting pipe 2 from the intermediate frequency copper refining furnace is inserted into the absorption tower 1 from the top cover 10 through a fan 3; a water pump 5 is arranged on the top cover 10, a water inlet of the water pump 5 is connected with a circulating water pipe 4, and the port of the circulating water pipe 4 is connected with one side of the lower part of the absorption tower 1; the water outlet of the water pump 5 is respectively connected with a primary water spray pipe 6 and a secondary water spray pipe 7, and the primary water spray pipe 6 and the secondary water spray pipe 7 are inserted into the absorption tower 1; the top of the absorption tower 1 is provided with a chimney 11.

And a water replenishing pipe 12 is further arranged on one side of the middle part of the absorption tower 1, and a water level pipe 9 is arranged on the lower part of the absorption tower and is used for observing the water level.

The pipe orifices of the smoke collecting pipe 2, the primary water spraying pipe 6 and the secondary water spraying pipe 7 are all connected with a bell mouth; the bell mouth of the smoke collecting pipe 2 is 5-10 cm from the water surface, the distance between the pipe mouth of the first-stage water spraying pipe 6 and the pipe mouth of the smoke collecting pipe 2 is one third of the length of the smoke collecting pipe 2 inserted into the absorption tower 1, and the distance between the pipe mouth of the second-stage water spraying pipe 7 and the pipe mouth of the smoke collecting pipe 2 is two thirds of the length of the smoke collecting pipe 2 inserted into the absorption tower 1.

The bottom of the absorption tower 1 is provided with a detachable slag discharge port bottom plate 8 for cleaning deposited waste slag.

The working process is as follows:

before use, the water supplementing pipe 12 is opened, water is injected into the absorption tower 1, the water level accounts for about one third of the height of the absorption tower 1, the smoke collecting pipe 2 continuously discharges smoke into the absorption tower 1 through the fan 3, the water pump 5 works, water sucked by the circulating water pipe 4 is sprayed to different height positions of the absorption tower 1 through the primary water spraying pipe 6 and the secondary water spraying pipe 7, and the treated smoke is discharged outwards through the smoke discharging chimney 11. And opening the bottom plate 8 of the slag discharge port periodically to clean the absorption tower 1.

The above description is only for the preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A flue gas treatment device is characterized in that: a top cover (10) is arranged at the top of the absorption tower (1), and a smoke collecting pipe (2) from the intermediate frequency copper smelting furnace is inserted into the absorption tower (1) from the top cover (10) through a fan (3); a water pump (5) is arranged on the top cover (10), a water inlet of the water pump (5) is connected with a circulating water pipe (4), and the port of the circulating water pipe (4) is connected with one side of the lower part of the absorption tower (1); the water outlet of the water pump (5) is respectively connected with a primary water spray pipe (6) and a secondary water spray pipe (7), and the primary water spray pipe (6) and the secondary water spray pipe (7) are inserted into the absorption tower (1); the top of the absorption tower (1) is provided with a chimney (11).

2. A flue gas treatment device according to claim 1, wherein: one side of the middle part of the absorption tower (1) is also provided with a water replenishing pipe (12), and the lower part of the absorption tower is provided with a water level pipe (9).

3. A flue gas treatment device according to claim 1, wherein: the pipe orifices of the smoke collecting pipe (2), the primary water spray pipe (6) and the secondary water spray pipe (7) are all connected with a bell mouth; the bell mouth of the smoke collecting pipe (2) is 5-10 cm away from the water surface, the distance between the pipe mouth of the first-stage water spraying pipe (6) and the pipe mouth of the smoke collecting pipe (2) is one third of the length of the smoke collecting pipe (2) inserted into the absorption tower (1), and the distance between the pipe mouth of the second-stage water spraying pipe (7) and the pipe mouth of the smoke collecting pipe (2) is two thirds of the length of the smoke collecting pipe (2) inserted into the absorption tower (1).

4. A flue gas treatment device according to claim 1, wherein: the bottom of the absorption tower (1) is provided with a detachable slag discharge port bottom plate (8).