CN213193179U

CN213193179U - Wet flue gas desulfurization flow equalizing device

Info

Publication number: CN213193179U
Application number: CN202020839842.7U
Authority: CN
Inventors: 周峥; 张志恒; 李洪宇; 郭宇; 薛维维; 喻艳林
Original assignee: Passiflco Shanghai Green Engineering Co Ltd
Current assignee: Passiflco Shanghai Green Engineering Co Ltd
Priority date: 2020-05-19
Filing date: 2020-05-19
Publication date: 2021-05-14
Anticipated expiration: 2030-05-19

Abstract

The utility model discloses a wet flue gas desulfurization flow straightener, including a desulfurization tower section of thick bamboo, desulfurization nozzle and pipeline, desulfurization flue gas flow straightener. Desulfurization slurry pipeline and nozzle are on a tower section of thick bamboo upper portion, desulfurization flue gas flow straightener arranges in a tower section of thick bamboo lower part, desulfurization flue gas flow straightener is by the import flue, elbow and export distributing pipe and supporting beam are constituteed, the flue gas all can be evenly under any state through desulfurization flue gas flow straightener with the thick liquid contact reaction that upper portion nozzle spouts, thereby guarantee flue gas even flow in a desulfurization tower section of thick bamboo under any state, one side can not appear being partial to, the stability of desulfurization efficiency has been guaranteed, and can reduce the energy consumption.

Description

Wet flue gas desulfurization flow equalizing device

Technical Field

The utility model relates to a flue gas desulfurization technique, concretely relates to wet flue gas desulfurization flow straightener.

Background

Under the large background of energy conservation and emission reduction, the emission of low-energy-consumption smoke reaching the standard is an important target pursued by enterprises in industries such as power stations, thermal engineering, petroleum, chemical engineering, metallurgical mines, building materials, mechanical manufacturing marine ships and the like, and by adopting a conventional wet desulphurization device, the problems of low-load smoke deviation to one side, low desulphurization reaction efficiency, low energy consumption and easy scaling exist to different degrees.

In the conventional wet desulphurization, flue gas is introduced into a tower barrel at an angle through a flue, and as shown in fig. 2, the flue gas can be ensured to be uniformly contacted and reacted with slurry sprayed from an upper nozzle under rated load; however, when the amount of smoke decreases, the smoke is deflected to one side as shown in fig. 3.

Therefore, the wet desulphurization flue gas flow equalizing device is required to be invented, which can ensure that flue gas can be uniformly distributed in a desulphurization tower drum under any condition and ensure desulphurization efficiency.

SUMMERY OF THE UTILITY MODEL

When being directed against prior art to flue gas desulfurization, there is desulfurization efficiency unstability under the low-load, the problem that the energy consumption is high, the utility model aims at providing a wet flue gas desulfurization flow straightener, fine solution the problem that prior art exists.

In order to achieve the above object, the utility model provides a pair of wet flue gas desulfurization flow straightener, it includes a desulfurization tower section of thick bamboo, arranges desulfurization nozzle and the pipeline on upper portion in a tower section of thick bamboo, still includes desulfurization flue gas flow straightener, desulfurization flue gas flow straightener arranges the lower part in a tower section of thick bamboo.

Furthermore, the desulfurization flue gas flow equalizing device consists of a flue, an elbow and an outlet distribution pipe; the flue is connected with the elbow in a matching mode, and the outlet distribution pipe is connected with the elbow in a matching mode.

Furthermore, the bottoms of the flue, the elbow and the outlet distribution pipe are provided with supporting beams, and the supporting beams are fixed on a desulfurization tower barrel.

Furthermore, a distribution grid is arranged inside the outlet distribution pipe.

Further, a slurry outflow pipe is arranged at the bottom of the elbow.

Further, the nozzles and the nozzles in the pipeline are uniformly arranged on the pipeline.

The utility model provides a wet flue gas desulfurization flow straightener compares with conventional desulphurization unit, and this device accessible flue gas flow straightener directly introduces the mode that tower section of thick bamboo center discharged perpendicularly upwards with the flue gas, and under any load, the flue gas is even flow in a desulfurization tower section of thick bamboo, can guarantee holistic desulfurization efficiency to reach the effect of low energy consumption.

Drawings

The invention is further described with reference to the following drawings and detailed description.

FIG. 1 is a schematic structural diagram of the wet desulfurization flue gas flow equalizing device;

FIG. 2 is a schematic diagram illustrating a working state of the prior art when a load point is stable;

fig. 3 is a schematic diagram of the working state of the prior art when the load point changes.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further explained by combining with the specific drawings.

Referring to fig. 1, it shows a schematic structural diagram of the wet desulphurization flue gas flow equalizing device, and it can be seen that the desulphurization device includes a desulphurization tower cylinder 100, a desulphurization nozzle and its pipeline 200, and a desulphurization flue gas flow equalizing device 300.

Specifically, be provided with at least one desulfurization pipeline in desulfurization tower section of thick bamboo 100, be located tower section of thick bamboo upper portion, desulfurization pipeline and the connection of a desulfurization tower section of thick bamboo 100 section of thick bamboo wall, desulfurization nozzle sets up on the pipeline uniformly for spray the desulfurizer.

The flue gas flow equalizer 300 is composed of an inlet flue 310, an elbow 320 and an outlet distribution pipe 330, and is disposed at the lower part of the desulfurization tower barrel 100. The inlet flue 310 is connected in a fitting manner to the elbow 320, and the outlet distribution pipe 330 is connected to the elbow 320, the elbow 320 being disposed toward the desulfurization nozzle.

Further, a lower support beam 400 is disposed on the inner wall of the desulfurization tower barrel 100, and is located at the bottom of the inlet flue 310, the elbow 320 and the outlet distribution pipe 330, and is used for fixing and supporting the inlet flue 310, the elbow 320 and the outlet distribution pipe 330.

Secondly, the distribution grid 340 is arranged in the outlet distribution pipe 330, so that the flue gas can uniformly flow to the upper nozzles after flowing through the outlet distribution pipe, and can fully contact and react with the slurry sprayed by the nozzles, and the desulfurization efficiency can be ensured.

In addition, the slurry outflow pipe is arranged at the bottom of the elbow 320, so that the slurry falling from the outlet distribution pipe is ensured to flow out of the pipe, and no deposition or scaling is caused.

The operation of the desulfurization apparatus will be described below by way of example.

In the specific application, the flue gas to be desulfurized enters the elbow 320 from the inlet flue 310, flows through the outlet distribution pipe 330, passes through the distribution grids 340, uniformly flows to the upper desulfurization nozzle and the pipeline 200 thereof through each grid, and is sprayed out from the nozzles arranged on the pipeline to fully contact with the waste gas to react, so that the waste gas is desulfurized.

The pipeline in the tower section of thick bamboo can evenly set up the multilayer along the flow direction of flue gas, sets gradually the nozzle on the pipeline, can carry out the multilayer and spout the thick liquid simultaneously, makes the desulfurization rate of flue gas obtain further assurance.

According to the wet desulphurization flue gas flow equalizing device formed by the scheme, the flue gas can be directly introduced into the center of the desulphurization tower cylinder 100 to be vertically and upwards discharged through the added flue gas flow equalizing device 300, and is uniformly diffused in the tower cylinder. Compared with the prior art, the flue gas can uniformly flow in the desulfurization tower cylinder 100 under any load, deviation to one side can not occur, and the stability of the desulfurization efficiency can be ensured.

Moreover, a slurry outflow pipe is arranged at the bottom of the elbow 320 of the desulfurized flue gas flow equalizing device 300, and the slurry falling into the outlet distribution pipe 330 can flow out of the pipe, so that the deposition and scaling cannot be caused.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A flow equalizing device for wet desulphurization flue gas comprises a desulphurization tower drum, a desulphurization nozzle arranged at the upper part in the tower drum and a pipeline thereof, and is characterized by also comprising a desulphurization flue gas flow equalizing device arranged at the lower part in the tower drum; the desulfurization flue gas flow equalizing device consists of a flue, an elbow and an outlet distribution pipe; the flue is matched and connected with the elbow, and the outlet distribution pipe is matched and connected with the elbow; and a distribution grid is arranged in the outlet distribution pipe.

2. The flow straightener of wet flue gas desulfurization of claim 1, wherein the flue, the elbow and the outlet distribution pipe are provided with support beams at the bottom, and the support beams are fixed on the desulfurization tower barrel.

3. The flow straightener of claim 1, wherein the bottom of the elbow is provided with a slurry outlet pipe.

4. The flow straightener of claim 1, wherein the nozzles and the nozzles in the conduit are uniformly arranged on the conduit.