CN215336366U

CN215336366U - Flue gas waste heat recovery device

Info

Publication number: CN215336366U
Application number: CN202120430647.3U
Authority: CN
Inventors: 邓敏学
Original assignee: Yantai Kerui Heat Exchange Technology Co ltd
Current assignee: Yantai Kerui Heat Exchange Technology Co ltd
Priority date: 2021-02-28
Filing date: 2021-02-28
Publication date: 2021-12-28
Anticipated expiration: 2031-02-28

Abstract

The utility model discloses a flue gas waste heat recovery device which comprises a flue gas purification tower, wherein the flue gas purification tower comprises a bottom pipe, a conical pipe is welded at the top end of the bottom pipe, an air inlet pipe is arranged at the position, close to the lower part, of the outer wall of the conical pipe, the air inlet pipe is communicated with the conical pipe, and a lower pipe is arranged at the top end of the conical pipe. This flue gas waste heat recovery device, with set up under external pipe butt joint on the put tub outer wall to the perforation position, with liquid through the pipe input to the inner chamber of sealed tube, in the inner chamber through the sealed tube with liquid leading-in to external pipe to lead to aqueduct and spill first department once more through external pipe, and realize spraying.

Description

Flue gas waste heat recovery device

Technical Field

The utility model relates to the field of flue gas purification, in particular to a flue gas waste heat recovery device.

Background

Since the garbage incineration technology can realize the reduction, harmlessness and reclamation of the domestic garbage, more and more cities in China currently adopt the mode to treat the domestic garbage. However, the emission of smoke pollutants in the actual operation process of the household garbage incineration plant also becomes the focus of general attention of people.

However, traditional flue gas waste heat recovery device on the market at present, this application improves to prior art, carries out heat recovery to the flue gas among the prior art when, and the dust in the flue gas need carry out the dust fall, avoids particulate matter in the flue gas to cause the influence to the pipeline, and prior art's structure is optimized inadequately, the design is reasonable inadequately.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a flue gas waste heat recovery device to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a flue gas waste heat recovery device, includes the flue gas purification tower, the flue gas purification tower includes the bottom tube, the top welding of bottom tube has the taper pipe, the outer wall of taper pipe leans on lower position to install the intake pipe, be the intercommunication form between intake pipe and the taper pipe, put the pipe down on the top of taper pipe is installed, put the top of pipe down and install overhead pipe, all weld on the outer wall of putting pipe down and overhead pipe has the outer loop, the top welding of overhead pipe has the push pipe.

As a still further scheme of the utility model: the inner cavity walls of the upper tube and the lower tube are both provided with sealing tubes, and one end of each sealing tube is welded with a liquid guide tube.

As a still further scheme of the utility model: the outer walls of the upper pipe and the lower pipe are provided with through holes, and the holes of the through holes are fixedly provided with guide pipes in an inserted manner.

As a still further scheme of the utility model: an external pipe is welded on the outer wall of the liquid guide pipe, a water guide pipe is welded on the outer wall of the external pipe, and a sprinkling head is installed at the top end of the water guide pipe.

As a still further scheme of the utility model: the external pipe is communicated with the outer wall of the liquid guide pipe, and the outer wall of the external pipe is communicated with one end of the water guide pipe.

As a still further scheme of the utility model: the inner cavity of the lower pipe is welded with the external pipe close to the lower part, the upper surface of the external pipe is provided with a through hole, and a spraying disc is arranged at the notch part of the through hole.

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

the utility model discloses, the liquid after spraying will flow in the upper surface of built-in dish, spraying the dish through built-in dish surface mounting and retrieving, finally fall into the bottom tube, external a set of on the outer wall of bottom tube, liquid circulation device purifies leading-in the inner chamber of putting the pipe under with its liquid once more, the liquid dust fall, dust mixing vapor in the flue gas falls the dirt, and collect the bottom tube with it in, filter, liquid is water cycle uses once more, its structure is optimized more, the design is more reasonable.

The utility model discloses, with set up on the external pipe outer wall under the external pipe butt joint to the perforation position, with liquid through the inner chamber of pipe input sealed tube, in the inner chamber through sealed tube with liquid leading-in to external pipe to lead to the aqueduct once more and spill first department through external pipe, and the realization is sprayed.

Drawings

FIG. 1 is a schematic structural diagram of a flue gas waste heat recovery device;

FIG. 2 is a front view of a flue gas cleaning tower in a flue gas waste heat recovery device;

FIG. 3 is a structural diagram of an upper pipe in a flue gas waste heat recovery device;

fig. 4 is a structural diagram of a lower pipe in a flue gas waste heat recovery device.

In the figure: the device comprises a flue gas purification tower 1, an upper pipe 2, an outer ring 3, a lower pipe 4, a taper pipe 5, an air inlet pipe 6, a bottom pipe 7, a top pipe 8, a sealing pipe 9, a pair of through holes 10, an internal disc 11, a spraying disc 12, a liquid guide pipe 13, an external pipe 14, a sprinkling head 15 and a water guide pipe 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 4, in the embodiment of the present invention, a flue gas waste heat recovery device includes a flue gas purification tower 1, the flue gas purification tower 1 includes a bottom pipe 7, a conical pipe 5 is welded on the top end of the bottom pipe 7, an air inlet pipe 6 is installed on the outer wall of the conical pipe 5 near the lower portion, the air inlet pipe 6 is communicated with the conical pipe 5, a lower pipe 4 is installed on the top end of the conical pipe 5, an upper pipe 2 is installed on the top end of the lower pipe 4, outer rings 3 are welded on the outer walls of the lower pipe 4 and the upper pipe 2, a top pipe 8 is welded on the top end of the upper pipe 2, a sealing pipe 9 is installed on the inner cavity walls of the upper pipe 2 and the lower pipe 4, a liquid guide pipe 13 is welded on one end of the sealing pipe 9, opposite water through holes are opened on the outer walls of the upper pipe 2 and the lower pipe 4, a guide pipe is fixedly inserted in the hole of the opposite water through hole, an external pipe 14 is welded on the outer wall of the liquid guide pipe 13, a water guide pipe 16 is welded on the outer wall of the external pipe 14, and the top of the aqueduct 16 is provided with a sprinkling head 15, the external pipe 14 is communicated with the outer wall of the liquid guide pipe 13, the outer wall of the external pipe 14 is communicated with one end of the aqueduct 16, the lower part of the inner cavity of the lower pipe 4 is welded with the external pipe 14, the upper surface of the external pipe 14 is provided with a pair of through holes 10, and the notch part of the pair of through holes 10 is provided with a sprinkling disc 12.

The working principle of the utility model is as follows: when the spraying device is used, the external guide pipe is butted with a perforation part arranged on the outer wall of the lower placing pipe 4, liquid is input into the inner cavity of the sealing pipe 9 through the guide pipe, the liquid is guided into the inner cavity of the external pipe 14 through the sealing pipe 9 and is guided into the water guide pipe 16 and the spraying head 15 again through the external pipe 14, and spraying is realized;

the sprayed liquid flows into the upper surface of the built-in disc 11, is recovered through the spraying disc 12 arranged on the upper surface of the built-in disc 11 and finally falls into the bottom pipe 7, and a group of liquid circulating devices are arranged outside the outer wall of the bottom pipe 7 to purify and guide the liquid into the inner cavity of the lower pipe 4 again;

and (3) liquid dust fall, namely dust falling is carried out on the dust mixed with water vapor in the flue gas, the dust is collected into the bottom pipe 7 and filtered, and the liquid is recycled.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a flue gas waste heat recovery device, includes gas cleaning tower (1), its characterized in that: flue gas purification tower (1) includes bottom tube (7), the top welding of bottom tube (7) has taper pipe (5), the outer wall of taper pipe (5) leans on the lower part position to install intake pipe (6), be the intercommunication form between intake pipe (6) and taper pipe (5), put pipe (4) down is installed on the top of taper pipe (5), put pipe (2) down on the top of pipe (4) is installed, it has outer ring (3) all to weld on the outer wall of pipe (4) and overhead pipe (2) down, the top welding of overhead pipe (2) has push pipe (8).

2. The flue gas waste heat recovery device according to claim 1, characterized in that: the inner cavity walls of the upper pipe (2) and the lower pipe (4) are both provided with a sealing pipe (9), and one end of the sealing pipe (9) is welded with a liquid guide pipe (13).

3. The flue gas waste heat recovery device according to claim 1, characterized in that: the outer walls of the upper pipe (2) and the lower pipe (4) are provided with through holes, and a guide pipe is fixedly inserted in the through holes.

4. The flue gas waste heat recovery device according to claim 2, characterized in that: an external pipe (14) is welded on the outer wall of the liquid guide pipe (13), a water guide pipe (16) is welded on the outer wall of the external pipe (14), and a sprinkling head (15) is installed at the top end of the water guide pipe (16).

5. The flue gas waste heat recovery device according to claim 4, wherein: the external pipe (14) is communicated with the outer wall of the liquid guide pipe (13), and the outer wall of the external pipe (14) is communicated with one end of the water guide pipe (16).

6. The flue gas waste heat recovery device according to claim 1, characterized in that: the inner cavity of the lower pipe (4) is welded with an external pipe (14) by the lower part, the upper surface of the external pipe (14) is provided with a through hole (10), and a spraying disc (12) is arranged at the notch part of the through hole (10).