CN209735268U

CN209735268U - Activated carbon injection device for purifying flue gas

Info

Publication number: CN209735268U
Application number: CN201920066666.5U
Authority: CN
Inventors: 蔡志樑; 王曙鑫; 唐桂平
Original assignee: Dongguan Zhineng Renewable Resources Power Generation Co Ltd
Current assignee: Dongguan Zhi Hui Renewable Resources Power Generation Co ltd
Priority date: 2019-01-16
Filing date: 2019-01-16
Publication date: 2019-12-06
Anticipated expiration: 2029-01-16

Abstract

The utility model relates to a gas cleaning field, concretely relates to active carbon injection apparatus for purifying flue gas, it includes feed mechanism and injection mechanism, the injection mechanism alternates and sets up the one side at the flue, feed mechanism sets up in injection mechanism's top and interconnect, and in the flue with injection mechanism complex detection mechanism, injection mechanism is including connecting the venturi at the discharging pipe lower extreme, venturi's left end is connected with air compressor through the trachea, the right-hand member is connected with and alternates the complex and spout the material pipe with the flue, it is right angle structure to spout the material pipe, and spout the exit end of material pipe be connected with the nozzle and with the flue in the flue gas flow direction opposite, active carbon powder along spouting the high-speed flue of spouting the material pipe of spouting, and spout direction and flue gas flow direction opposite, be favorable to active carbon powder and flue gas mixture fully.

Description

Activated carbon injection device for purifying flue gas

Technical Field

the utility model relates to a gas cleaning field, concretely relates to active carbon injection apparatus for purifying flue gas.

Background

a large amount of industrial waste gas generated in industrial production often contains some harmful substances, such as heavy metals, dioxin, SO2, nitrogen oxides and the like, and the harmful substances are required to be purified to reach the emission standard before being discharged. The activated carbon adsorption method is widely applied due to simple process, and particularly, the activated carbon adsorption method is most widely applied along with the flow type activated carbon adsorption technology for purifying dioxin in flue gas.

The existing flue gas purification device adopts a straight pipe injection mode, and the subsequent part of a flue is difficult to realize the full mixing of the activated carbon powder and the flue gas, so that the adsorption capacity of the activated carbon is not fully utilized, and the waste of the activated carbon is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an active carbon injection apparatus for purifying flue gas, active carbon powder is realized carrying the injection mechanism in succession by feed mechanism in, and air compressor inhales from venturi throat as active carbon powder jet power source, active carbon powder, along spouting the high-speed flue that spouts of pipe, and the blowout direction is opposite with the flue gas flow direction, is favorable to active carbon powder and flue gas to mix fully.

In order to realize the above purpose, the utility model discloses a technical scheme be: the utility model provides an active carbon injection apparatus for purifying flue gas, it includes feed mechanism and injection mechanism, injection mechanism alternates and sets up the one side at flue 1, feed mechanism sets up in injection mechanism's top and interconnect, and in flue 1 with injection mechanism complex detection mechanism, injection mechanism is including connecting venturi 11 at 8 lower extremes of discharging pipe, venturi 11's left end is connected with air compressor 10, right-hand member through the trachea and alternates complex spraying pipe 12 with flue 1, spraying pipe 12 is the right angle structure, and spraying pipe 12's exit end be connected with the nozzle 15 and with flue 1 in the flue flow opposite direction.

Further, the detection mechanism comprises a detection rod 14 which is uniformly arranged in the flue 1 in an annular shape and matched with the outer wall of the material spraying pipe 12, and an air detection sensor 16 is arranged on the detection rod 14.

Further, feed mechanism is including storing hopper 5 of active carbon powder, the lower extreme of hopper 5 is connected with inlet pipe 6, be provided with control flap 4 on the inlet pipe 6, and the lower extreme of inlet pipe 6 is connected with feed screw 7, feed screw 7 is connected with driving motor 2 through shaft coupling 3, and feed screw 7's left lower extreme be connected with 11 throat complex discharging pipes 8 of venturi.

Further, a meter 9 is arranged in the discharge pipe 8.

Further, a sealing ring 13 is arranged at the matching part of the material spraying pipe 12 and the flue 1.

The utility model has the advantages that:

1. The active carbon powder is continuously conveyed into the spraying mechanism by the feeding mechanism, the air compressor is used as an active carbon powder spraying power source, the active carbon powder is sucked from the throat part of the venturi tube and sprayed into the flue at high speed along the spraying pipe, and the spraying direction is opposite to the flow direction of the flue gas, so that the active carbon powder and the flue gas are fully mixed;

2. The design of the detection mechanism can detect whether the quality of the purified mixed flue gas reaches the standard or not in time and can detect whether the flue gas and the activated carbon powder are uniformly mixed or not through the detection rods and the air detection sensors which are annularly and uniformly distributed on the outer wall of the material spraying pipe;

3. The spiral feeder can feed materials more easily, and active carbon powder blockage is effectively prevented.

4. The design of the meter can control the spraying amount of the activated carbon powder.

5. The design of sealing ring plays the effect of sealed flue lateral wall, prevents that the flue gas from leaking.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

fig. 2 is a schematic structural view of the detection mechanism.

The text labels shown in the figures are represented as: 1. a flue; 2. a drive motor; 3. a coupling; 4. a control valve; 5. a hopper; 6. a feed pipe; 7. a screw feeder; 8. a discharge pipe; 9. a meter; 10. an air compressor; 11. a venturi tube; 12. a material spraying pipe; 13. a seal ring; 14. a detection lever; 15. a nozzle; 16. an air detection sensor.

Detailed Description

In order to make the technical solution of the present invention better understood, the present invention is described in detail below with reference to the accompanying drawings, and the description of the present invention is only exemplary and explanatory, and should not be construed as limiting the scope of the present invention.

As shown in fig. 1-2, the structure of the present invention is: the utility model provides an active carbon injection apparatus for purifying flue gas, it includes feed mechanism and injection mechanism, injection mechanism alternates and sets up the one side at flue 1, feed mechanism sets up in injection mechanism's top and interconnect, and in flue 1 with injection mechanism complex detection mechanism, injection mechanism is including connecting venturi 11 at 8 lower extremes of discharging pipe, venturi 11's left end is connected with air compressor 10, right-hand member through the trachea and alternates complex spraying pipe 12 with flue 1, spraying pipe 12 is the right angle structure, and spraying pipe 12's exit end be connected with the nozzle 15 and with flue 1 in the flue flow opposite direction.

Preferably, the detection mechanism comprises a detection rod 14 which is uniformly arranged in the flue 1 in an annular shape and is matched with the outer wall of the material spraying pipe 12, and an air detection sensor 16 is arranged on the detection rod 14.

Preferably, feed mechanism is including storing the hopper 5 of activated carbon powder, the lower extreme of hopper 5 is connected with inlet pipe 6, be provided with control flap 4 on the inlet pipe 6, and the lower extreme of inlet pipe 6 is connected with feed screw 7, feed screw 7 is connected with driving motor 2 through shaft coupling 3, and feed screw 7's left lower extreme be connected with 11 throat complex discharging pipes 8 of venturi.

Preferably, a metering device 9 is arranged in the discharge pipe 8.

Preferably, a sealing ring 13 is arranged at the position where the material spraying pipe 12 is matched with the flue 1.

When the activated carbon spraying device is used specifically, the activated carbon in the hopper 5 is continuously conveyed by the feeding mechanism, the air compressor 10 is used as an activated carbon powder spraying power source, the activated carbon powder is sucked from the throat part of the venturi tube 11 and is sprayed into the flue 1 along the spraying tube 12 at a high speed, and the spraying direction is opposite to the flow direction of flue gas, so that the activated carbon powder and the flue gas are fully mixed.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The principle and the implementation of the present invention have been explained by using specific examples, the description of the above examples is only used to help understand the method and the core idea of the present invention, the above description is only the preferred implementation of the present invention, it should be pointed out that there is an infinite specific structure objectively due to the limited character expression, and for those skilled in the art, without departing from the principle of the present invention, several improvements, decorations or changes can be made, and the above technical features can be combined in a proper manner; the application of these modifications, variations or combinations, or the application of the concepts and solutions of the present invention in other contexts without modification, is not intended to be considered as a limitation of the present invention.

Claims

1. The utility model provides an active carbon injection apparatus for purifying flue gas, it includes feed mechanism and injection mechanism, its characterized in that: injection mechanism alternates and sets up the one side in flue (1), feed mechanism sets up in injection mechanism's top and interconnect, and is provided with in flue (1) with injection mechanism complex detection mechanism, injection mechanism is including connecting venturi (11) at discharging pipe (8) lower extreme, the left end of venturi (11) is connected with air compressor (10), right-hand member through the trachea and is connected with and alternates complex spraying pipe (12) with flue (1), spraying pipe (12) are the right angle structure, and the exit end of spraying pipe (12) be connected with nozzle (15) and with flue (1) in the flue flow opposite direction.

2. The activated carbon injection apparatus for purifying flue gas according to claim 1, wherein: the detection mechanism comprises a detection rod (14) which is uniformly arranged in the flue (1) in an annular mode and matched with the outer wall of the material spraying pipe (12), and an air detection sensor (16) is arranged on the detection rod (14).

3. The activated carbon injection apparatus for purifying flue gas according to claim 1, wherein: the feed mechanism is including storing hopper (5) of active carbon powder, the lower extreme of hopper (5) is connected with inlet pipe (6), be provided with control flap (4) on inlet pipe (6), and the lower extreme of inlet pipe (6) is connected with feed screw (7), feed screw (7) are connected with driving motor (2) through shaft coupling (3), and the left lower extreme of feed screw (7) be connected with venturi (11) throat complex discharging pipe (8).

4. The activated carbon injection apparatus for purifying flue gas according to claim 3, wherein: a meter (9) is arranged in the discharge pipe (8).

5. The activated carbon injection apparatus for purifying flue gas according to claim 1, wherein: and a sealing ring (13) is arranged at the part where the material spraying pipe (12) is matched with the flue (1).