CN218249507U - Desulfurization reactor capable of reducing system resistance - Google Patents

Abstract

The utility model discloses a reduce desulfurization reactor of system resistance, including reactor body, import flue and export flue, the inside of import flue is provided with acceleration rate reaction unit, and acceleration rate reaction unit is including setting up entry section, venturi constriction segment, venturi divergent section and the throat in the import flue, venturi principle promptly. The utility model enhances the converging strength of oxygen and medicament, increases the medicament reaction time, reduces the medicament cost and obviously improves the desulfurization efficiency; the flue gas acceleration rate effect is obvious, and the treatment facility resistance is greatly reduced, has reduced the power consumption and has reduced the running cost and make the reactor not deposit the ash, and the achievement is showing.

Description

Desulfurization reactor capable of reducing system resistance

Technical Field

The utility model relates to a desulfurization reactor field particularly, relates to a desulfurization reactor of reduction system resistance.

Background

So2 in the coal-fired flue gas has become the main cause of air pollution, and with the increasing requirements of people on environmental protection, the reduction of so2 pollution has become the urgent necessity of the current atmospheric environment treatment. Many flue gas desulfurization processes have been widely used in industry.

An existing desulfurization reactor, for example, chinese patent No. 201920525552.2 discloses a multistage dense-phase semidry desulfurization reactor, which includes an inlet flue, an outlet flue, a plurality of U-shaped reactors, a plurality of desulfurizing agent adding assemblies, and a plurality of ash discharging valves, and has the advantages of compact structural layout and small floor area. However, in actual work, the original SDS desulfurization reactor is a U-shaped flue reactor, the inside of the reactor is provided with a wind-equalizing plate with certain resistance, and the lower part of the reactor is easy to deposit dust for long-time operation, so that the sectional area is reduced, the system resistance of a treatment facility is increased, and the desulfurization efficiency is reduced.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

To solve the problems in the related art, the utility model provides a desulfurization reactor for reducing system resistance to overcome the technical problems in the prior art.

Therefore, the utility model discloses a specific technical scheme as follows:

a desulfurization reactor capable of reducing system resistance comprises a reactor body, wherein an inlet flue is arranged at one end of the top of the reactor body, an outlet flue is arranged at the other end of the top of the reactor body, and a speed-increasing reaction device is arranged in the inlet flue; the side wall of one end of the reactor body, which is close to the inlet flue, is provided with a desulfurizer pipeline, one end of the desulfurizer pipeline extends into the reactor body, and the end of the desulfurizer pipeline, which is positioned in the reactor body, is provided with a flow guide mechanism.

Furthermore, in order to greatly reduce the resistance of the denitration, desulfurization and dust removal system based on the venturi acceleration principle, the acceleration reaction device comprises an inlet section arranged at the top end in the inlet flue, a venturi contraction section is arranged at the bottom end of the inlet section, a venturi diffusion section is arranged at the bottom end of the venturi contraction section, and a throat part is arranged between the venturi diffusion section and the venturi contraction section; and an air flow vacancy is formed in the inlet flue and outside the Venturi contraction section and the Venturi diffusion section.

Furthermore, in order to fully guide part of the desulfurizer mixed gas entering the reactor body, so that the desulfurizer mixed gas can uniformly and fully contact and react with flue gas, and the reaction efficiency is increased, the flow guide mechanism comprises a mounting plate which is arranged at one end of the desulfurizer pipeline close to the reactor body and is connected with the inner wall of the reactor body, and the upper end and the lower end of one end of the mounting plate far away from the desulfurizer pipeline are respectively provided with a transverse plate I and a transverse plate II; a plurality of first clamping grooves are formed in the first transverse plate, a plurality of second clamping grooves are formed in the second transverse plate, the first clamping grooves correspond to the second clamping grooves one to one, and a guide plate is arranged between the first clamping grooves and the second clamping grooves which are correspondingly arranged; the middle part of the guide plate is provided with a through hole, and the center of the through hole and the center of the desulfurizer pipeline are positioned in the same horizontal plane.

Furthermore, in order to ensure that the guide plate is stably installed, the matching relationship between the guide plate and the first and second clamping grooves is interference fit; the included angle between the guide plate and the horizontal direction is set to thirty degrees to sixty degrees, and a plurality of through holes are formed in the first transverse plate.

The utility model has the advantages that:

(1) The utility model discloses reduce cost, desulfurization efficiency is showing and is improving, and makes the reactor not deposition, and system resistance reduces greatly.

(2) By arranging the speed-increasing reaction device, the resistance of a treatment facility (denitration, desulfurization and dust removal) system is greatly reduced based on the Venturi acceleration principle, the Hertz frequency of an induced draft fan is reduced by 4-5, the operation is smoother, and the stability of the production kiln pressure is further ensured; the problem of reactor dust deposition is thoroughly solved from the source, the desulfurization efficiency is obviously increased, and the desulfurizer is reduced by 20 percent.

(3) Through setting up water conservancy diversion mechanism to can carry out abundant direction with the desulfurizer mist that part got into the reactor body, make desulfurizer mist can be even and abundant carry out contact reaction with the flue gas, increase the efficiency of reaction.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic diagram of a desulfurization reactor with reduced system drag according to an embodiment of the present invention;

FIG. 2 is a partial cross-sectional view of a desulfurization reactor that reduces system drag in accordance with an embodiment of the present invention;

FIG. 3 is a schematic diagram illustrating the connection between the diversion mechanism and the desulfurizer piping in the desulfurization reactor for reducing system resistance according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a deflector in a desulfurization reactor for reducing system resistance according to an embodiment of the present invention.

In the figure:

1. a reactor body; 2. an inlet flue; 3. an outlet flue; 4. a speed-increasing reaction device; 401. an inlet section; 402. a venturi constriction; 403. a venturi diffuser section; 404. a throat; 405. an airflow void; 5. a desulfurizer pipeline; 6. a flow guide mechanism; 601. mounting a plate; 602. a first transverse plate; 603. a transverse plate II; 604. a first clamping groove; 605. a second clamping groove; 606. a baffle; 607. a through hole; 608. and (6) a via hole.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to an embodiment of the present invention, a desulfurization reactor is provided that reduces system resistance.

The present invention will be further explained with reference to the accompanying drawings and specific embodiments, as shown in fig. 1-2, according to the desulfurization reactor for reducing system resistance of the embodiment of the present invention, the desulfurization reactor comprises a reactor body 1, an inlet flue 2 is provided at one end of the top of the reactor body 1, an outlet flue 3 is provided at the other end of the top of the reactor body 1, in addition, an ash bucket is provided at the bottom end of the reactor body 1 for collecting dust after desulfurization reaction, and a speed-increasing reaction device 4 is provided inside the inlet flue 2; the side wall of one end of the reactor body 1 close to the inlet flue 2 is provided with a desulfurizer pipeline 5, one end of the desulfurizer pipeline 5 extends into the reactor body 1, and one end of the desulfurizer pipeline 5 in the reactor body 1 is provided with a flow guide mechanism 6.

By means of the above scheme, the utility model discloses reduce cost, desulfurization efficiency is showing and is improving, and makes the reactor not deposition, and system resistance reduces greatly.

As shown in fig. 2, in one embodiment, for the above speed-increasing reaction device 4, the speed-increasing reaction device 4 includes an inlet section 401 disposed at the top end inside the inlet flue 2, a venturi contraction section 402 is disposed at the bottom end of the inlet section 401, a venturi expansion section 403 is disposed at the bottom end of the venturi contraction section 402, and a throat 404 is disposed between the venturi expansion section 403 and the venturi contraction section 402; the inside of inlet flue 2 and the outside that is located venturi contraction section 402 and venturi diffuser 403 are provided with air current vacancy 405 to based on the acceleration principle of venturi, make denitration desulfurization dust pelletizing system resistance reduce greatly.

As shown in fig. 3-4, in an embodiment, for the above-mentioned flow guiding mechanism 6, the flow guiding mechanism 6 includes a mounting plate 601 disposed at one end of the desulfurizing agent pipeline 5 close to the inside of the reactor body 1 and connected to the inner wall of the reactor body 1, the upper and lower ends of the mounting plate 601 far from the end of the desulfurizing agent pipeline 5 are respectively provided with a first transverse plate 602 and a second transverse plate 603, and the first transverse plate 602 and the second transverse plate 603 are located beside the side wall inside the reactor body 1; a plurality of first clamping grooves 604 are formed in the first transverse plate 602, a plurality of second clamping grooves 605 are formed in the second transverse plate 603, the first clamping grooves 604 correspond to the second clamping grooves 605 one by one, and a guide plate 606 is arranged between the first clamping grooves 604 and the second clamping grooves 605 which are correspondingly arranged; the middle part of the guide plate 606 is provided with a through hole 607, and the center of the through hole 607 and the center of the desulfurizer pipeline 5 are positioned in the same horizontal plane; the matching relationship between the guide plate 606 and the first and second slots 604 and 605 is interference fit; the contained angle between guide plate 606 and the horizontal direction sets up to thirty degrees to sixty degrees, and has seted up a plurality of via holes 608 in the diaphragm 602 to can carry out abundant direction with partial desulfurizer mist that gets into reactor body 1, make desulfurizer mist can be even and abundant carry out contact reaction with the flue gas, increase the efficiency of reaction.

The utility model discloses an outside of entry, venturi constriction section, venturi divergent section and throat is whole airtight for the cylindrical flue tower body of exhanst gas outlet, and export and dust remover access connection are established to one side. The flue gas and the medicament are fully converged, reacted and accelerated in the three sections, the flue gas and the medicament do not directly enter the dust remover after coming out, but are further converged and reacted outside the three sections, namely in the cylindrical flue tower body, and finally the flue gas is discharged from the middle upper part of the cylindrical tower body and directly enters the dust remover.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

In practical application, the flue gas enters the reactor body 1 through the inlet section 401, the venturi contraction section 402 and the venturi expansion section 403 in the inlet flue 2 in sequence. The desulfurizer is fed into the reactor body 1 from the desulfurizer pipeline 5 by means of air flow, a part of desulfurizer mixture passes through the through hole 607 passing through the through hole 607 of the guide plate 606, a part of desulfurizer mixture is diffused under the action of the guide plate 606, and the flue gas reacts. Under the action of the guide plates 606, the flue gas can fully react with the desulfurizer.

To sum up, the utility model discloses reduce cost, desulfurization efficiency is showing and is improving, and makes the reactor not deposition, and system resistance reduces greatly. By arranging the speed-increasing reaction device 4, the resistance of a treatment facility (denitration, desulfurization and dust removal) system is greatly reduced based on the Venturi acceleration principle, the Hertz frequency of an induced draft fan is reduced by 4-5, the operation is smoother, and the stability of the production kiln pressure is further ensured; the problem of reactor dust deposition is thoroughly solved from the source, the desulfurization efficiency is obviously increased, and the desulfurizer is reduced by 20 percent. Through setting up water conservancy diversion mechanism 6 to can carry out abundant direction with partial desulfurizer mist that gets into reactor body 1, make desulfurizer mist can be even and abundant carry out contact reaction with the flue gas, increase the efficiency of reaction.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted", "disposed", "connected", "fixed", "screwed" and the like are to be understood broadly, and may be, for example, a fixed connection, a detachable connection, or an integral body; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only for the preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. A desulfurization reactor that reduces system resistance, comprising a reactor body (1), characterized in that:

an inlet flue (2) is arranged at one end of the top of the reactor body (1), an outlet flue (3) is arranged at the other end of the top of the reactor body (1), and a speed-increasing reaction device (4) is arranged in the inlet flue (2);

the reactor body (1) is close to one end lateral wall of import flue (2) is provided with desulfurizer pipeline (5), the one end of desulfurizer pipeline (5) extends to in reactor body (1), just desulfurizer pipeline (5) are located one end in reactor body (1) is provided with water conservancy diversion mechanism (6).

2. The desulfurization reactor for reducing system resistance according to claim 1, wherein the speed-increasing reaction device (4) comprises an inlet section (401) disposed at the top end inside the inlet flue (2), the bottom end of the inlet section (401) is provided with a venturi contraction section (402), the bottom end of the venturi contraction section (402) is provided with a venturi expansion section (403), and a throat portion (404) is disposed between the venturi expansion section (403) and the venturi contraction section (402).

3. A desulfurization reactor reducing system resistance according to claim 2, characterized in that inside the inlet flue (2) and outside the venturi constriction (402) and the venturi diffuser (403) is provided with an air flow void (405).

4. The desulfurization reactor capable of reducing the system resistance according to claim 2 or 3, wherein the flow guide mechanism (6) comprises a mounting plate (601) which is arranged at one end of the desulfurizer pipeline (5) close to the inside of the reactor body (1) and is connected with the inner wall of the reactor body (1), and a first transverse plate (602) and a second transverse plate (603) are respectively arranged at the upper end and the lower end of one end of the mounting plate (601) far away from the desulfurizer pipeline (5);

a plurality of first clamping grooves (604) are formed in the first transverse plate (602), a plurality of second clamping grooves (605) are formed in the second transverse plate (603), the first clamping grooves (604) correspond to the second clamping grooves (605) one by one, and guide plates (606) are arranged between the first clamping grooves (604) and the second clamping grooves (605) which are correspondingly arranged.

5. The desulfurization reactor capable of reducing the system resistance as recited in claim 4, wherein a through hole (607) is formed in the middle of the deflector (606), and the center of the through hole (607) and the center of the desulfurizing agent pipeline (5) are located in the same horizontal plane.

6. The desulfurization reactor for reducing the system resistance as recited in claim 5, wherein the matching relationship between the flow guide plate (606) and the first clamping groove (604) and the second clamping groove (605) is interference fit.

7. The desulfurization reactor for reducing system resistance according to claim 5 or 6, wherein the included angle between the flow guide plate (606) and the horizontal direction is set to be thirty degrees to sixty degrees, and a plurality of through holes (608) are formed in the first transverse plate (602).

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