CN212295840U

CN212295840U - Exhaust gas exhaust device

Info

Publication number: CN212295840U
Application number: CN202020045246.1U
Authority: CN
Inventors: 李伯仲; 林长波
Original assignee: JUNJIE MACHINERY (SHENZHEN) CO Ltd
Current assignee: JUNJIE MACHINERY (SHENZHEN) CO Ltd
Priority date: 2020-01-09
Filing date: 2020-01-09
Publication date: 2021-01-05
Anticipated expiration: 2030-01-09

Abstract

The utility model discloses a waste gas exhaust device, it is including the fan, outer dryer, interior dryer and the cavity of airing exhaust, the one end of interior dryer is linked together with the income wind gap of fan, the other end and the waste gas tower of interior dryer are inside to be linked together, outer vertical the setting in the waste gas tower outside of dryer, the lower extreme of outer dryer is linked together with the air outlet of fan, the cavity of airing exhaust is the tube-shape, and the cavity of airing exhaust is vertical to be set up in the top of outer dryer, the middle department diameter of the cavity of airing exhaust is greater than the opening diameter at both ends about it, the lower extreme opening of the cavity of airing exhaust is linked together with the upper end of outer dryer, the cavity internal fixation of airing exhaust has the back taper piece, be equipped with the clearance between the inner wall of back taper piece and the cavity of airing exhaust, and the plane portion of back taper piece upper end. The utility model discloses resistance to the air current is little, help the air current upwards to rush into atmosphere, reducible exhaust gas tower around acid-base material subside volume.

Description

Exhaust gas exhaust device

Technical Field

The utility model relates to a waste gas tower especially relates to a waste gas exhaust device.

Background

The waste gas tower is a facility for treating industrial waste gas and then discharging the industrial waste gas, referring to fig. 1, the structure of the air outlet part of the existing waste gas tower is shown, the inner cavity of the waste gas tower, the inner air cylinder 3, the fan 1 and the outer air cylinder 2 are sequentially communicated, the top end of the outer air cylinder 2 is provided with a top cover 7, the side part of the outer air cylinder 2 is provided with an air outlet, the top cover 7 can prevent large-sized impurities from entering the outer air cylinder 2, but the top cover 7 directly covers the top end of the outer air cylinder 2, so that great resistance is caused to the air flow in the outer air cylinder 2, the air exhaust effect is poor, the energy consumption of the fan 1 is high, in addition, the air flow is blocked by the top cover 7 and then diffused to the periphery of the waste gas tower, most of acid and alkali substances in the air flow are settled around the waste gas tower and the factory building, only a small amount of acid and alkali substances are dispersed in, thereby affecting the service life of the equipment and the plant.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in, to prior art's not enough, provide one kind to the resistance of air current little, help the air current upwards to rush into the air atmosphere, reducible exhaust gas tower around the acid-base material subsides the exhaust mechanism of volume.

In order to solve the technical problem, the utility model adopts the following technical scheme.

A waste gas exhaust device comprises a fan, an outer air duct, an inner air duct and an exhaust cavity, wherein one end of the inner air duct is communicated with an air inlet of the fan, the other end of the inner air duct is communicated with the interior of the waste gas tower, the outer air duct is vertically arranged on the outer side of the waste gas tower, the lower end of the outer air duct is communicated with the air outlet of the fan, the air exhaust cavity is cylindrical, the air exhaust cavity is vertically arranged above the outer air duct, the diameter of the middle part of the air exhaust cavity is larger than the opening diameters of the upper end and the lower end of the air exhaust cavity, the lower end opening of the air exhaust cavity is communicated with the upper end of the outer air duct, an inverted cone-shaped piece is fixed in the air exhaust cavity, a gap is arranged between the inverted cone-shaped piece and the inner wall of the air exhaust cavity, and the plane part of the upper end of the inverted cone-shaped piece faces the upper end opening of the exhaust cavity, and the tip part of the lower end of the inverted cone-shaped piece is arranged downwards.

Preferably, the exhaust chamber comprises a middle chamber, an upper end chamber and a lower end chamber, the upper end chamber and the lower end chamber are respectively arranged at the upper end and the lower end of the middle chamber, the upper end chamber is in a conical shape, and the lower end chamber is in an inverted conical shape.

Preferably, the reverse taper member is conical or pyramidal.

Preferably, the diameter of the planar portion is greater than or equal to the diameter of the upper end opening of the air exhaust chamber.

Preferably, a separation cavity is arranged in the waste gas tower, and the fan and the inner air cylinder are both arranged in the separation cavity.

The utility model discloses an among the exhaust gas exhaust device, because set up the back taper piece in the cavity of airing exhaust, make air current in the outer dryer is followed the outer wall of back taper piece rises the back, again by the upper end opening of the cavity of airing exhaust discharges, compares prior art, the utility model discloses can effectively avoid playing to shelter from, the hindrance effect to the air current, greatly reduced the resistance that rises of air current for the exhaust efficiency of waste gas tower is higher, can effectively reduce the consumption of fan simultaneously, in addition under the effect of back taper piece, air current in the outer dryer can upwards directly rush into the atmosphere, makes the air current disperse in the higher position of atmosphere, avoids a large amount of acid-base material to subside around the waste gas tower, reduces the degree of corrosion to equipment and factory building around the waste gas tower, and then has improved the life of equipment and factory building.

Drawings

FIG. 1 is a schematic view of a prior art exhaust system;

FIG. 2 is a schematic view of the exhaust device according to the present invention;

fig. 3 is a schematic view of the internal structure of the exhaust chamber.

Detailed Description

The present invention will be described in more detail with reference to the accompanying drawings and examples.

The utility model discloses a waste gas exhaust device, which is shown by combining a graph 2 and a graph 3 and comprises a fan 1, an outer air cylinder 2, an inner air cylinder 3 and an exhaust cavity 4, wherein one end of the inner air cylinder 3 is communicated with an air inlet of the fan 1, the other end of the inner air cylinder 3 is communicated with the inside of a waste gas tower, the outer air cylinder 2 is vertically arranged at the outer side of the waste gas tower, the lower end of the outer air cylinder 2 is communicated with an air outlet of the fan 1, the exhaust cavity 4 is in a cylindrical shape, the exhaust cavity 4 is vertically arranged above the outer air cylinder 2, the diameter of the middle part of the exhaust cavity 4 is larger than the opening diameters of the upper end and the lower end of the exhaust cavity 4, the lower end opening of the exhaust cavity 4 is communicated with the upper end of the outer air cylinder 2, an inverted cone-shaped piece 5 is fixed in the exhaust cavity 4, a gap is arranged between the inverted cone-shaped piece 5 and the inner, and a plane part 50 at the upper end of the reverse taper piece 5 is opened towards the upper end of the air exhaust chamber 4, and a tip part 51 at the lower end of the reverse taper piece 5 is arranged downwards.

In the structure, because set up back taper piece 5 in the cavity 4 of airing exhaust, make air current in the outer dryer 2 is followed the outer wall of back taper piece 5 rises the back, again by the upper end opening of cavity 4 of airing exhaust discharges, compares prior art, the utility model discloses can effectively avoid playing to shelter from, the hindrance effect to the air current, greatly reduced the rising resistance of air current for the exhaust efficiency of exhaust gas tower is higher, can effectively reduce the consumption of fan simultaneously, in addition under the effect of back taper piece 5, air current in the outer dryer 2 can upwards directly rush into the atmosphere, makes the air current disperse in the higher position of atmosphere, avoids a large amount of acid-base material to subside around the exhaust gas tower, reduces the degree of corrosion to equipment and factory building around the exhaust gas tower, and then has improved the life of equipment and factory building.

Preferably, the exhaust chamber 4 includes a middle chamber 40, an upper chamber 42 and a lower chamber 41, the upper chamber 42 and the lower chamber 41 are respectively disposed at the upper end and the lower end of the middle chamber 40, the upper chamber 42 is tapered, and the lower chamber 41 is inverted.

Further, the reverse taper 5 has a conical or pyramidal shape. Wherein, in order to take the effect of rainwater, the plane part 50 of the inverted cone-shaped piece 5 can be arranged in an open type, furthermore, a sewage drain pipeline can be arranged at the side part of the inverted cone-shaped piece 5, the sewage drain pipeline extends to the outer side of the air exhaust chamber 4, and the purpose is to discharge rainwater and other sewage in the inverted cone-shaped piece 5 outwards through the inverted cone-shaped piece 5.

In a preferred embodiment, the diameter of the flat surface portion 50 is larger than or equal to the diameter of the upper end opening of the discharge chamber 4.

Furthermore, a separation cavity 6 is arranged in the waste gas tower, and the fan 1 and the inner air duct 3 are both arranged in the separation cavity 6.

The above is only the embodiment of the present invention, and is not intended to limit the present invention, and all modifications, equivalent replacements or improvements made within the technical scope of the present invention should be included within the protection scope of the present invention.

Claims

1. A waste gas exhaust device is characterized by comprising a fan (1), an outer air cylinder (2), an inner air cylinder (3) and an exhaust cavity (4), wherein one end of the inner air cylinder (3) is communicated with an air inlet of the fan (1), the other end of the inner air cylinder (3) is communicated with the interior of a waste gas tower, the outer air cylinder (2) is vertically arranged on the outer side of the waste gas tower, the lower end of the outer air cylinder (2) is communicated with an air outlet of the fan (1), the exhaust cavity (4) is cylindrical, the exhaust cavity (4) is vertically arranged above the outer air cylinder (2), the diameter of the middle of the exhaust cavity (4) is larger than the opening diameters of the upper end and the lower end of the exhaust cavity (4), the lower opening of the exhaust cavity (4) is communicated with the upper end of the outer air cylinder (2), and an inverted cone-shaped piece (5) is fixed in the exhaust cavity (4), a gap is arranged between the inverted cone-shaped piece (5) and the inner wall of the air exhaust chamber (4), a plane part (50) at the upper end of the inverted cone-shaped piece (5) faces to an opening at the upper end of the air exhaust chamber (4), and a tip part (51) at the lower end of the inverted cone-shaped piece (5) is arranged downwards.

2. An exhaust device according to claim 1, wherein the exhaust chamber (4) comprises a middle chamber (40), an upper chamber (42) and a lower chamber (41), the upper chamber (42) and the lower chamber (41) are respectively disposed at the upper and lower ends of the middle chamber (40), the upper chamber (42) is tapered, and the lower chamber (41) is inverted.

3. Exhaust air exhaust device according to claim 1, characterised in that the inverted cone-shaped element (5) is conical or pyramidal.

4. Exhaust air exhaust device according to claim 1, wherein the diameter of the planar portion (50) is larger than or equal to the diameter of the upper end opening of the exhaust chamber (4).

5. An exhaust air exhaust device according to claim 1, wherein a separation chamber (6) is arranged in the exhaust tower, and the fan (1) and the inner wind barrel (3) are both arranged in the separation chamber (6).