CN216367036U

CN216367036U - Environment-friendly efficient horizontal baffle plate demister

Info

Publication number: CN216367036U
Application number: CN202123056440.3U
Authority: CN
Inventors: 路瑞娟; 张新猛; 李晓粤; 齐学忠
Original assignee: Cangzhou Wanrun Environmental Protection Equipment Co ltd
Current assignee: Cangzhou Wanrun Environmental Protection Equipment Co ltd
Priority date: 2021-12-08
Filing date: 2021-12-08
Publication date: 2022-04-26
Anticipated expiration: 2031-12-08

Abstract

The utility model discloses an environment-friendly high-efficiency horizontal baffle demister, which comprises a heat exchange layer, a demisting layer and a ventilation layer which are sequentially arranged from top to bottom, wherein the heat exchange layer comprises a plurality of first channels which are uniformly distributed along the front-back direction, a second channel is arranged between the adjacent first channels, the upper side and the lower side of each of the first channels and the second channels are both open, the demisting layer comprises a plurality of dry air channels which are uniformly distributed along the left-right direction, wet flue gas channels are arranged between the adjacent dry air channels, the upper side of each dry air channel is open and communicated with the first channels, the upper side and the lower side of each wet flue gas channel are both open, and the upper side of each wet flue gas channel is communicated with the second channels; the ventilation layer comprises a ventilation main pipe and a plurality of ventilation branch pipes which are uniformly distributed along the front-back direction, the inlet side of the ventilation main pipe is communicated with the outside atmosphere, and the ventilation branch pipes are communicated with the inner cavity of the dry air channel through communicating pipes; the dual demisting of flue gas has been realized through the cooperation on heat exchange layer, defogging layer and ventilation layer, has effectively reduced the carminative moisture content of desulfurizing tower outlet side.

Description

Environment-friendly efficient horizontal baffle plate demister

Technical Field

The utility model relates to the field of demisters, in particular to an environment-friendly efficient horizontal baffle demister.

Background

As is well known, the defroster is often used in the desorption of droplet in the flue gas after the desulfurization, but in the flue gas or wrap up very big moisture with hand in the wet-type absorption method desulfurization process, because the flue gas that produces cigarette equipment such as boiler and send out all has higher temperature, so the defroster inlet side all gets into high temperature and high humidity's flue gas, and the effect of the simple desorption droplet moisture of dependence defroster body is general, has great promotion space.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the background art, the utility model aims to provide an environment-friendly high-efficiency horizontal baffle demister, which effectively solves the problems in the background art.

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

an environment-friendly high-efficiency horizontal baffle demister comprises a heat exchange layer, a demisting layer and a ventilation layer which are sequentially arranged from top to bottom, the heat exchange layer comprises a plurality of first channels which are uniformly distributed along the front-back direction, a second channel is arranged between the adjacent first channels, the upper side and the lower side of the first channel and the second channel are both provided with openings, the demisting layer comprises a plurality of dry air channels which are uniformly distributed along the left-right direction, wet flue gas channels are arranged between the adjacent dry air channels, the upper side of the dry air channel is opened and communicated with the first channel, the upper side and the lower side of the wet flue gas channel are both opened, the upper side opening of the wet flue gas channel is communicated with the second channel, a first flow deflector corresponding to an opening at the upper side of the dry air channel is arranged in the first channel, and a second flow deflector corresponding to an opening at the upper side of the wet flue gas channel is arranged in the second channel; the ventilation layer comprises a ventilation main pipe and a plurality of ventilation branch pipes uniformly distributed in the front-back direction, the inlet side of the ventilation main pipe is communicated with the outside atmosphere, and the ventilation branch pipes are communicated with the inner cavity of the dry air channel through communicating pipes.

Further, the heat exchange layer comprises a plurality of heat exchange plates which are parallel to each other, and the first channel or the second channel is formed between the adjacent heat exchange plates.

Further, the first guide vane and the second guide vane are both V-shaped guide vanes.

Furthermore, the defogging layer comprises a plurality of defogging units, each defogging unit comprises a wave-shaped sheet, a U-shaped sheet and a box-shaped sheet, the communicating pipe penetrates through the bottom of the U-shaped sheet and is communicated with the inner cavity of the dry air channel, and the box-shaped sheet is provided with a V-shaped recess corresponding to the wave-shaped sheet.

Furthermore, a plurality of barb-shaped plates are arranged in the wet flue gas channel, and the barb-shaped plates and the defogging layer are as long as each other.

The utility model has the following beneficial technical effects:

according to the utility model, the double demisting of the flue gas is realized through the cooperation of the heat exchange layer, the demisting layer and the ventilation layer, the moisture content of the exhaust gas at the outlet side of the desulfurization tower is effectively reduced, the reduction of the moisture content of the exhaust gas means the reduction of the sewage discharge, and the improvement of the environmental protection performance of the desulfurization tower is facilitated.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention from a main viewing angle;

FIG. 2 is a top view of a heat exchange layer according to an embodiment of the present invention;

FIG. 3 is a top view of a ventilation layer according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a defogging unit according to an embodiment of the utility model.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, the horizontal baffle demister of this embodiment includes a heat exchange layer 1, a demisting layer 2, and a ventilation layer 3 sequentially arranged from top to bottom, where the heat exchange layer 1 includes a plurality of first channels 4 uniformly distributed along a front-back direction, a second channel 5 is disposed between adjacent first channels 4, both upper and lower sides of the first channels 4 and the second channels 5 are open, both left and right sides of the first channels 4 and the second channels 5 are closed, the demisting layer 2 includes a plurality of dry air channels 6 uniformly distributed along a left-right direction, a wet flue gas channel 7 is disposed between adjacent dry air channels 6, an upper side of each dry air channel 6 is open and communicated with the first channel 4, other sides of the dry air channels 6 are closed, both upper and lower sides of the wet flue gas channels 7 are open, and an upper side of each wet flue gas channel 7 is communicated with the second channel 5, the lower side opening of the wet flue gas channel 7 is used for entering desulfurized flue gas, other side surfaces of the wet flue gas channel 7 are closed, a first flow deflector 8 corresponding to the upper side opening of the dry air channel 6 is arranged in the first channel 4, a second flow deflector 9 corresponding to the upper side opening of the wet flue gas channel 7 is arranged in the second channel 5, the first flow deflector 8 and the second flow deflector 9 are both V-shaped flow deflectors, and the first flow deflector 8 and the second flow deflector 9 can guide the dry air entering the first channel 4 and the wet flue gas entering the second channel 5 to the left and right sides so that the dry air and the wet flue gas can be better filled in the first channel 4 and the second channel 5, and therefore the partition wall heat exchange of the dry air and the wet flue gas is facilitated; the ventilation layer 3 comprises a main ventilation pipe 10 and a plurality of branch ventilation pipes 11 uniformly distributed in the front-back direction, the inlet side of the main ventilation pipe 10 is communicated with the outside atmosphere, the inlet side of each branch ventilation pipe 11 is communicated with the main ventilation pipe 10, and each branch ventilation pipe 11 is also communicated with the inner cavity of the dry air channel 6 through a communicating pipe 12.

The heat exchange layer 1 comprises a plurality of mutually parallel heat exchange plates, and the adjacent heat exchange plates form the first channel 4 or the second channel 5.

The demisting layer 2 comprises a plurality of demisting units, each demisting unit comprises a corrugated sheet 13, a U-shaped sheet 14 and a box-shaped sheet 15, the communicating pipe 12 penetrates through the bottom of the U-shaped sheet 14 and is communicated with the inner cavity of the dry air channel 6, and the box-shaped sheet 15 is provided with a V-shaped recess 16 corresponding to the corrugated sheet 13, so that the wet flue gas channel 7 is bent in a baffling manner, and the precipitation of fog drops in desulfurized flue gas is facilitated; a plurality of barb-shaped sheets 17 are arranged in the wet flue gas channel 7, the barb-shaped sheets 17 are the same as the defogging layer 2 in length in the front-back direction, and the barb-shaped sheets 17 can enhance the baffling effect of flue gas during flowing and are more favorable for precipitation of fog particles and slurry drops in the flue gas.

The working principle of the embodiment is as follows:

the desulfurized high-temperature and high-humidity flue gas passes through the ventilation layer 3, enters the wet flue gas channel 7 of the demisting layer 2 and undergoes preliminary demisting, partial fog drops are intercepted by the wet flue gas channel 7, pass through the wet flue gas channel 7 and then completely enter the second channel 5 in the heat exchange layer 1, meanwhile, dry air in the outside atmosphere sequentially enters the dry air channel 6 through the ventilation main pipe 10, the ventilation branch pipe 11 and the communication pipe 12 and then completely enters the first channel 4 in the heat exchange layer 1, the dry air and the wet flue gas in the second channel 5 undergo partition wall heat exchange in the first channel 4, the dry air absorbs heat and is heated to form dry hot air, the temperature of the wet hot flue gas is reduced, water in the dry air is divided and condensed to form liquid drops and drip, the dry hot air and the cooled and humidified flue gas are discharged to the upper part of the heat exchange layer 1 and then mixed, and the mixed gas tends to keep an unsaturated state, can effectively restrain the generation of desulfurizing tower export white fog, be particularly suitable for the cooling dehumidification of desulfurization flue gas under cold weather such as winter, compare with prior art, this embodiment has realized the dual defogging of flue gas through heat exchange layer 1, defogging layer 2 and ventilation layer 3's cooperation, has effectively reduced the carminative moisture content of desulfurizing tower outlet side, and the reduction of exhaust moisture content means the reduction of sewage emission, is favorable to improving the environmental protection performance of desulfurizing tower.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. An environment-friendly high-efficiency horizontal baffle demister is characterized by comprising a heat exchange layer, a demisting layer and a ventilation layer which are sequentially arranged from top to bottom, the heat exchange layer comprises a plurality of first channels which are uniformly distributed along the front-back direction, a second channel is arranged between the adjacent first channels, the upper side and the lower side of the first channel and the second channel are both provided with openings, the demisting layer comprises a plurality of dry air channels which are uniformly distributed along the left-right direction, wet flue gas channels are arranged between the adjacent dry air channels, the upper side of the dry air channel is opened and communicated with the first channel, the upper side and the lower side of the wet flue gas channel are both opened, the upper side opening of the wet flue gas channel is communicated with the second channel, a first flow deflector corresponding to an opening at the upper side of the dry air channel is arranged in the first channel, and a second flow deflector corresponding to an opening at the upper side of the wet flue gas channel is arranged in the second channel; the ventilation layer comprises a ventilation main pipe and a plurality of ventilation branch pipes uniformly distributed in the front-back direction, the inlet side of the ventilation main pipe is communicated with the outside atmosphere, and the ventilation branch pipes are communicated with the inner cavity of the dry air channel through communicating pipes.

2. The demister of claim 1, wherein the heat exchange layer comprises a plurality of parallel plates, and the adjacent plates form the first or second channel.

3. The demister of claim 2, wherein the first baffle and the second baffle are both V-shaped baffles.

4. The demister as set forth in claim 1, wherein the demister layer comprises a plurality of demisting units, each demisting unit comprises a corrugated sheet, a U-shaped sheet and a box-shaped sheet, the communicating pipe passes through the bottom of the U-shaped sheet and communicates with the inner chamber of the dry air passage, and the box-shaped sheet has V-shaped recesses corresponding to the corrugated sheets.

5. The demister of claim 1, wherein a plurality of barb-shaped plates are arranged in the wet flue gas channel, and the barb-shaped plates are as long as the demisting layer.