CN212819131U

CN212819131U - Flue gas type desulphurization device

Info

Publication number: CN212819131U
Application number: CN202021158161.0U
Authority: CN
Inventors: 彭栋友; 张英; 彭小强
Original assignee: Deyang Kingtec Energy Technology Co ltd
Current assignee: Deyang Kingtec Energy Technology Co ltd
Priority date: 2020-06-19
Filing date: 2020-06-19
Publication date: 2021-03-30
Anticipated expiration: 2030-06-19

Abstract

The utility model discloses a flue gas formula desulphurization unit, include the desulfurizing tower and dispose in a plurality of venturi in this desulfurizing tower to and fixed this venturi's fixed disk, the fixed disk disposes vibration portion and prevents the sediment and pile, and this vibration portion disposes in this fixed disk lower surface, should prevent that the sediment pile disposes in this fixed disk upper surface, should prevent that the sediment pile disposes in the clearance department between a plurality of these venturi, and should prevent that the sediment pile still disposes in this venturi and this desulfurizing tower inner wall clearance department. The utility model discloses can make the desulfurizer fall into venturi, avoid the desulfurizer in venturi exit to glue the wall and block up.

Description

Flue gas type desulphurization device

Technical Field

The utility model relates to a desulphurization unit technical field particularly, relates to a flue gas formula desulphurization unit.

Background

A flue gas desulfurization technology of a circulating fluidized bed belongs to the field of semi-dry flue gas desulfurization, and takes a fine granular solid desulfurizer as a bed of the circulating fluidized bedThe material, the flue gas and the desulfurizer are mixed violently in the desulfurization absorption tower, and the desulfurizer and sulfur dioxide in the flue gas are subjected to chemical reaction, so that the flue gas is desulfurized. When the CFB circulating fluidized bed flue gas desulfurization technology is adopted, the slaked lime powder and the water are sprayed into the flue gas before the flue gas enters the Venturi tube, the flue gas is accelerated when passing through the throat part of the Venturi tube in the desulfurizing tower, the slaked lime powder in the flue gas is vigorously mixed with the water, and SO is generated₂、SO₃And other harmful gases react with slaked lime to achieve the aim of desulfurization.

The patent that has now disclosed is named as "prevent circulating fluidized bed flue gas desulfurization tower that blocks up", the chinese utility model patent that publication number is CN206868001U, this patent all gaps intussuseption between venturi and the desulfurizing tower wall are filled with and are provided with and prevent the sediment awl, the desulfurizer granule of whereabouts in the desulfurization process can be along preventing during the surperficial landing to venturi on every side on sediment top, effectually avoided the desulfurizer to pile up in the gap, cause the phenomenon of gluing wall and venturi's jam.

However, when the above patent is used, part of the desulfurizer is adhered with slaked lime slurry and then is adhered to the surface of the slag pile, and the desulfurizer is difficult to smoothly slide into the venturi tube, so that the phenomena of wall adhesion and blockage of the desulfurizer at the outlet of the venturi tube cannot be thoroughly solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a flue gas formula desulphurization unit, it designs to flue gas formula desulphurization unit to can make the desulfurizer fall into venturi, avoid the desulfurizer in the venturi exit to glue the wall and block up.

The embodiment of the utility model discloses a realize through following technical scheme:

the utility model provides a flue gas formula desulphurization unit, includes the desulfurizing tower and disposes in a plurality of venturi of this desulfurizing tower to and fixed this venturi's fixed disk, the fixed disk disposes vibration portion and prevents the sediment heap, and this vibration portion disposes in this fixed disk lower surface, should prevent that the sediment heap disposes in this fixed disk upper surface, should prevent that the sediment heap disposes in the clearance department between a plurality of these venturi, and should prevent that the sediment heap still disposes in this venturi and this desulfurizing tower inner wall clearance department.

In an embodiment of the present invention, the vibration part surrounds the venturi tube and is symmetrically disposed with a plurality of vibration parts.

In an embodiment of the present invention, the vibrating portion is configured as a vibration exciter.

In an embodiment of the present invention, the surface of the slag-proof heap is coated with a teflon coating.

In an embodiment of the present invention, the slag prevention heap is configured in a pyramid shape.

In an embodiment of the present invention, the slag prevention heap is configured in a conical shape.

In an embodiment of the present invention, the slag-proof heap is configured as a steel member.

The utility model discloses technical scheme has following advantage and beneficial effect at least:

the embodiment of the utility model provides a prevent sediment heap in the upper surface configuration pyramid form or coniform of fixed disk, dispose vibration portion under the fixed disk, when the desulfurizer that is stained with lime hydrate thick liquid is attached to and is preventing sediment heap surface, because prevent that the sediment heap surface is the inclined plane, the desulfurizer is along preventing sediment heap surface gliding or producing the trend of gliding, slide or to the gliding trend of venturi promptly, and, vibration portion orders about the sediment heap vibration of preventing on fixed disk vibration and the fixed disk, the vibration action is with higher speed the desulfurizer along preventing sediment heap surface gliding or make the desulfurizer along preventing sediment heap surface gliding, reach and avoid the desulfurizer to be detained and preventing the mesh on sediment heap surface, the realization makes the desulfurizer fall into venturi, the desulfurizer of avoiding the venturi exit glues the effect of wall and jam.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a venturi tube and a fixed disk of the present invention;

FIG. 3 is a top view of the venturi tube and the stationary disk of the present invention;

fig. 4 is a bottom view of the venturi tube and the fixing plate of the present invention.

Icon:

the method comprises the following steps of 1-a desulfurizing tower, 2-a Venturi tube, 3-a fixed disc, 4-a vibrating part, 5-slag-proof piles, 6-a sulfur-containing flue gas inlet, 7-a flow field adjusting system and 8-a purified flue gas outlet.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that if the directions or positional relationships indicated by the terms "inside" and "outside" are based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are usually placed when used, the description is only for convenience of description and simplification, but the indication or suggestion that the indicated device or element must have a specific direction, be constructed and operated in a specific direction, and therefore, should not be interpreted as a limitation of the present invention.

In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "configured," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 4, a flue gas type desulfurization device includes a desulfurization tower 1, a plurality of venturi tubes 2 disposed in the desulfurization tower 1, and a fixed disk 3 for fixing the venturi tubes 2, wherein the fixed disk 3 is configured with a vibration portion 4 and a slag-proof pile 5, the vibration portion 4 is configured on the lower surface of the fixed disk 3, the slag-proof pile 5 is configured on the upper surface of the fixed disk 3, the slag-proof pile 5 is configured at a gap between the venturi tubes 2, and the slag-proof pile 5 is further configured at a gap between the venturi tubes 2 and the inner wall of the desulfurization tower 1.

In order to promote the desulfurizer to fall into the venturi tube 2 and avoid the desulfurizer at the outlet of the venturi tube 2 from wall adhesion and blockage, the upper surface of the fixed disk 3 is provided with a slag preventing pile 5, the slag preventing pile 5 is configured into a steel part, the slag preventing pile 5 is welded with the fixed disk 3, the slag preventing pile 5 can be in a pyramid shape or a cone shape, the slag preventing pile 5 is arranged at the gap between the slag preventing pile 5 and the venturi tube 2, and the slag preventing pile 5 is also arranged at the gap between the venturi tube 2 and the inner wall of the desulfurizing tower 1. Vibration portion 4 can be vibration exciter, vibrating motor or other structures that can produce the vibration, and vibration portion 4 encircles 2 symmetrical arrangement of venturi has a plurality of, because desulfurizing tower 1 diameter is great, and fixed disk 3 welds in desulfurizing tower 1, and consequently the size of fixed disk 3 is also great, for guaranteeing the vibration effect of 3 each parts of fixed disk, sets up a plurality of vibration portion 4 on fixed disk 3 lower surface, and a plurality of vibration portion 4 encircles 2 symmetrical arrangement of venturi.

Compared with the prior art, this technical scheme disposes the slag heap 5 of preventing of pyramid form or coniform at the upper surface of fixed disk 3, dispose vibration portion 4 at the lower surface of fixed disk 3, when the desulfurizer that glues with the lime hydrate adheres to and prevents the slag heap 5 surface, because prevent the slag heap 5 surface and be the inclined plane, the desulfurizer is along preventing the trend that the surface gliding or produce the gliding of slag heap 5, namely to venturi 2 slip trend or to venturi 2 slip trend, and, vibration portion 4 orders about the vibration of fixed disk 3 and the slag heap 5 vibration of preventing on the fixed disk 3, the vibration effect accelerates the desulfurizer along preventing the surface gliding of slag heap 5 or impels the desulfurizer along preventing the surface gliding of slag heap 5, reach and avoid detaining the purpose on preventing the surface of slag heap 5, realize impelling the desulfurizer and fall into venturi 2, avoid the desulfurizer of venturi 2 exit to glue the wall and the effect of jam.

In certain embodiments, the slag trap 5 is coated with a teflon coating on its surface. In order to reduce the adhesive force between the surface of the slag preventing pile 5 and the desulfurizer stuck with lime slaking slurry and ensure that the desulfurizer on the surface of the slag preventing pile 5 can smoothly slide into the Venturi tube 2, the technical scheme is that the surface of the slag preventing pile 5 is coated with the Teflon coating which has good non-stick property and high temperature resistance, when the desulfurizer stuck with the lime slaking slurry falls onto the surface of the slag preventing pile 5, the desulfurizer can quickly slide into the Venturi tube 2 due to the small adhesive force between the desulfurizer and the Teflon coating, and the desulfurizer can further accelerate to slide into the Venturi tube 2 from the surface of the slag preventing pile 5 under the vibration action of the vibration part 4.

It should be noted that the desulfurization tower 1 is further provided with a sulfur-containing flue gas inlet 6, a flow field adjusting system 7 and a purified flue gas outlet 8, and a desulfurization reaction zone is arranged in the desulfurization tower 1.

The working process of the embodiment is as follows: after slaked lime powder and water are sprayed into sulfur-containing flue gas, the sulfur-containing flue gas to be treated enters from a sulfur-containing flue gas inlet 6 at the bottom of a desulfurization tower 1, the flue gas is firstly dispersed through a flow field adjusting system 7 to enable the flue gas to flow uniformly, then the flue gas passes through a Venturi tube, the flue gas is accelerated and the slaked lime powder is mixed with the slaked lime powder violently, the accelerated flue gas is sprayed to a desulfurizer and supports the desulfurizer in the desulfurization tower 1, the mixture is violently mixed with the desulfurizer in a desulfurization reaction zone to generate desulfurization reaction, and the purified flue gas flows out from a purified flue gas outlet 8 at the top. Desulfurizer particles in the reaction zone are adhered with slaked lime slurry and can fall down, part of the desulfurizer falls on the surface of the slag-proof top, the desulfurizer slides into the Venturi tube under the vibration action of the vibration part 4, part of the desulfurizer directly falls into the Venturi tube, accelerated flue gas is brought back to the desulfurization reaction zone for desulfurization reaction, and blockage and wall adhesion caused by accumulation of the desulfurizer in gaps between the Venturi tube and the tower wall are avoided.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a flue gas formula desulphurization unit, includes the desulfurizing tower and disposes in a plurality of venturi of this desulfurizing tower to and the fixed disk of fixed this venturi, its characterized in that, the fixed disk disposes the vibration portion and prevents the sediment heap, and this vibration portion disposes in this fixed disk lower surface, should prevent that the sediment heap disposes in this fixed disk upper surface, should prevent that the sediment heap disposes in the clearance department between a plurality of these venturi, and should prevent that the sediment heap still disposes in this venturi and this desulfurizing tower inner wall clearance department.

2. The SMOKE DESULFURIZATION DEVICE of claim 1, wherein the vibratory portion is symmetrically disposed about the venturi in a plurality of numbers.

3. The fume desulfurization apparatus of claim 2, wherein said vibrating portion is configured as an exciter.

4. The SMOKE DESULFURIZATION DEVICE of claim 1, wherein the slag heap resistant surface is coated with a Teflon coating.

5. The fume desulfurization apparatus of claim 1 or 4, wherein the slag trap is configured in a pyramid shape.

6. The fume desulfurization apparatus according to claim 1 or 4, characterized in that the slag trap is configured in a conical shape.

7. The fume desulfurization apparatus of claim 1 or 4, wherein the slag trap is configured as a steel member.