CN210874837U

CN210874837U - SCR denitration reactor

Info

Publication number: CN210874837U
Application number: CN201921684323.1U
Authority: CN
Inventors: 郑涛; 孙华东; 孙延星; 孙登涛
Original assignee: Shandong Bairui Refractory Co ltd
Current assignee: Shandong Bairui Refractory Co ltd
Priority date: 2019-10-10
Filing date: 2019-10-10
Publication date: 2020-06-30
Anticipated expiration: 2029-10-10

Abstract

The utility model discloses a SCR denitration reactor mainly includes casing, the same guide plate of a plurality of structures and rectification grid, be equipped with air inlet and gas outlet on the casing, it is a plurality of the guide plate is installed in the casing and is located air inlet one side, the utility model relates to a SCR denitration device technical field, this SCR denitration reactor structure is exquisite, and the leakproofness is good, can carry out effectual denitration treatment to the tail gas that produces when firing the brickkiln, can overhaul and change the most core catalyst reaction plate among the SCR treatment process through the change structure on it, can maintain and maintain well, the existence of sealing door can be very convenient the lateral wall of opening the reactor simultaneously to after the change is accomplished, do not influence the normal operation of equipment.

Description

SCR denitration reactor

Technical Field

The utility model relates to a SCR denitration device technical field specifically is an SCR denitration reactor.

Background

In the firing process of an industrial kiln in the brick and tile industry, a large amount of smoke dust can be generated, the smoke dust contains harmful gases such as sulfur, nitre and the like, the discharged smoke gas can be discharged after reaching the standard after being treated, in the existing treatment system, because the SCR treatment method is high in denitration efficiency and less in ammonia leakage, the temperature of the reaction smoke gas is required to be low, the popularization is wide, the existing SCR denitration reactor is mostly manufactured by integral welding, the structure is large, the weight is high, the operation is inconvenient when a catalyst is replaced, and the replacement and the maintenance of parts in the processor are inconvenient.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a SCR denitration reactor has solved current technical problem.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: an SCR denitration reactor mainly comprises a casing, a plurality of guide plates with the same structure and a rectification grid, wherein the casing is provided with an air inlet and an air outlet, the guide plates are arranged in the casing and positioned on one side of the air inlet, the rectification grid is arranged in the casing and positioned below the guide plates, a plurality of SCR catalytic reaction plates with the same structure are arranged in the casing and positioned below the rectification grid, the casing is provided with a plurality of sealing doors matched with the SCR catalytic reaction plates, and a plurality of exchange structures with the same structure are arranged on the SCR catalytic reaction plates;

the exchange structure includes: a pair of slide rails, slide plates, steel mesh plates, handles, a processing container and a pair of inserted rods with the same structure;

the pair of slide rails are arranged on the inner wall surface of the shell and positioned on two sides of the sealing door, the slide plate is assembled on the pair of slide rails, the steel mesh plate is arranged on the slide plate, the handle is movably arranged on one side wall surface of the slide plate, the treatment container is arranged on the steel mesh plate, the SCR catalytic reaction plate is arranged in the treatment container, the pair of insert rods are arranged above the pair of slide rails, a pair of sleeve holes matched with the insert rods are formed in two ends of the slide plate, and the pair of insert rods penetrate through the pair of sleeve holes.

Preferably, the sealing door adopts articulated mode to install on the casing wall, and install the closing plate on the inner wall of sealing door, and the size of closing plate matches with casing opening size.

Preferably, the sealing door is provided with an observation window, and a temperature detector is arranged on one side of the observation window.

Preferably, the sealing door is provided with a lock catch and is positioned on the shell and provided with a lock groove matched with the lock catch.

Preferably, the casing is an integrally formed steel rectangular box body.

Preferably, the end parts of the pair of inserted rods are movably provided with locking heads.

Advantageous effects

The utility model provides a SCR denitration reactor. The method has the following beneficial effects: this SCR denitration reactor structure is exquisite, and the leakproofness is good, can carry out effectual denitration treatment to the tail gas that produces when firing the brick kiln, can overhaul and change the most core catalyst reaction board among the SCR treatment process through the change structure on it, can maintain and maintain well, the lateral wall of opening the reactor that the existence of sealing door can be very convenient simultaneously to after the change is accomplished, do not influence the normal operating of equipment.

Drawings

Fig. 1 is a schematic view of a sectional structure of a SCR denitration reactor.

Fig. 2 is a schematic view of a cross-sectional structure of an SCR denitration reactor in a top view.

Figure 3 is the utility model relates to a SCR denitration reactor look sideways at local structural schematic.

Fig. 4 is a schematic diagram of a partially enlarged structure of the SCR denitration reactor shown in fig. 1 according to the present invention.

Fig. 5 is a schematic diagram of a partial enlarged structure of the SCR denitration reactor shown in fig. 3 according to the present invention.

In the figure: 1. a housing; 2. a baffle; 3. a rectifying grid; 4. an SCR catalytic reaction plate; 5. a sealing door; 6. a slide rail; 7. a slide plate; 8. a steel mesh plate; 9. a handle; 10. a processing vessel; 11. inserting a rod; 12. a sealing plate; 13. a temperature detector; 14. locking; 15. the head is locked.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b): according to the attached figures 1-5 of the specification, the SCR denitration reactor mainly comprises a casing 1, a plurality of guide plates 2 with the same structure and a rectification grid 3, in the specific implementation process, the casing 1 is a supporting structure and an installation main body, the casing 1 is provided with an air inlet and an air outlet, tail gas generated in the firing process enters the casing 1 through the air inlet, the guide plates 2 are installed in the casing 1 and positioned on one side of the air inlet, the rectification grid 3 is installed in the casing 1 and positioned below the guide plates 2, the SCR catalytic reaction plates 4 with the same structure are arranged in the casing 1 and positioned below the rectification grid 3, the tail gas entering the casing 1 reaches the rectification grid 3 through the flow guiding effect of the guide plates 2, reaches the SCR catalytic reaction plates 4 under the carrying of ammonia gas sprayed from the rectification grid 3 and passes through the effect of the SCR catalytic reaction plates 4, make NH in the exhaust gas₃With NO_XThe oxygen and the oxygen are subjected to oxidation reaction under the action of a catalyst to be converted into N₂And H₂The O exhaust is exhausted from the exhaust structure, the tail gas is denitrated, the environmental pollution is avoided, a plurality of sealing doors 5 matched with the SCR catalytic reaction plates 4 are arranged on the casing 1, and a plurality of exchange structures with the same structure are arranged on the SCR catalytic reaction plates 4;

as can be seen from fig. 1 to 5 of the specification, the above-mentioned exchange structure includes: a pair of slide rails 6, a slide plate 7, a steel mesh plate 8, a handle 9, a processing container 10 and a pair of insertion rods 11 with the same structure, wherein the connection relationship and the position relationship are as follows;

the pair of slide rails 6 are arranged on the inner wall surface of the machine shell 1 and positioned at two sides of the sealing door 5, the slide plate 7 is assembled on the pair of slide rails 6, the steel mesh plate 8 is arranged on the slide plate 7, the handle 9 is movably arranged on the wall surface of one side of the slide plate 7, the treatment container 10 is arranged on the steel mesh plate 8, the SCR catalytic reaction plate 4 is placed in the treatment container 10, the pair of insert rods 11 are arranged above the pair of slide rails 6, two ends of the slide plate 7 are provided with a pair of sleeve holes matched with the insert rods 11, and the pair of insert rods 11 penetrate;

in the specific implementation process, in order to facilitate the replacement and maintenance of the SCR catalyst reaction plate, a sealing door 5 is arranged on one side wall surface of a machine shell 1, the side wall of the machine shell 1 can be opened under the action of the sealing door 5, the sealing door 5 ensures that no leakage is generated in the reaction process, a pair of slide rails 6 is used for supporting a slide plate 7, the slide plate 7 can slide on the slide rails 6 and is embedded in the center of the slide plate 7 through a steel mesh plate 8, the steel mesh plate 8 is provided with a plurality of through holes, so that tail gas can pass through the steel mesh plate 8 without influencing the running process of the tail gas from top to bottom, the SCR catalyst reaction plate is fixed through a reaction container and is stable, the tail gas passes through an ammonia spraying grid and then descends to the SCR catalyst reaction plate, when the SCR catalyst reaction plate needs to be replaced or needs to be maintained, the sealing door 5 is opened to pull a, the sliding plate 7 drives the SCR catalyst reaction plate to slide out of the sliding rail 6 under the drive of manpower, sleeve holes are formed in the end portions of the two sides of the sliding plate 7 and are sleeved on the inserted rod 11, the effect of the sliding plate 7 during sliding motion is stabilized, a locking head 15 is arranged at the end portion of the inserted rod 11 and can rotate to lock the sleeve holes, and the sliding plate 7 is prevented from sliding after being fixed;

in conclusion, the SCR denitration reactor has the advantages of exquisite structure and good sealing performance, tail gas generated in the process of firing a brick kiln can be effectively denitrated, the most core catalyst reaction plate in the SCR treatment process can be overhauled and replaced through the exchange structure on the SCR denitration reactor, maintenance and repair can be well carried out, meanwhile, the side wall of the reactor can be conveniently opened due to the existence of the sealing door 5, and the normal operation of equipment is not influenced after the exchange is completed.

Preferably, the sealing door 5 is hinged to the wall surface of the casing 1, a sealing plate 12 is mounted on the inner wall of the sealing door 5, and the size of the sealing plate 12 is matched with the size of the opening of the casing 1, so that the sealing performance is further improved.

Preferably, the sealing door 5 is provided with an observation window, and a temperature detector 13 is installed on one side of the observation window, the observation window is used for observing the internal condition, and the temperature detector is used for detecting the internal temperature, so that the temperature is not too high.

Preferably, the sealing door 5 is provided with a lock catch 14, and a lock groove matched with the lock catch is formed in the housing 1, so that the sealing degree of the sealing door 5 during locking is enhanced.

Preferably, the housing 1 is an integrally formed steel rectangular box, has high structural strength, and is integrally welded.

Preferably, the locking heads 15 are movably mounted at the ends of the pair of insertion rods 11.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The SCR denitration reactor mainly comprises a casing (1), a plurality of guide plates (2) with the same structure and a rectification grid (3), and is characterized in that an air inlet and an air outlet are formed in the casing (1), the guide plates (2) are installed in the casing (1) and located on one side of the air inlet, the rectification grid (3) is installed in the casing (1) and located below the guide plates (2), a plurality of SCR catalytic reaction plates (4) with the same structure are arranged in the casing (1) and located below the rectification grid (3), a plurality of sealing doors (5) matched with the SCR catalytic reaction plates (4) are arranged on the casing (1), and a plurality of exchange structures with the same structure are installed on the SCR catalytic reaction plates (4);

the exchange structure includes: a pair of slide rails (6) with the same structure, a slide plate (7), a steel mesh plate (8), a handle (9), a processing container (10) and a pair of inserted rods (11) with the same structure;

the pair of sliding rails (6) are arranged on the inner wall surface of the machine shell (1) and located on two sides of the sealing door (5), the sliding plate (7) is assembled on the pair of sliding rails (6), the steel mesh plate (8) is arranged on the sliding plate (7), the handle (9) is movably arranged on the wall surface on one side of the sliding plate (7), the processing container (10) is arranged on the steel mesh plate (8), the SCR catalytic reaction plate (4) is placed in the processing container (10), the pair of inserting rods (11) are arranged above the pair of sliding rails (6), a pair of sleeve holes matched with the inserting rods (11) are formed in two ends of the sliding plate (7), and the pair of inserting rods (11) penetrate through the pair of sleeve holes.

2. The SCR denitration reactor according to claim 1, wherein the sealing door (5) is installed on the wall surface of the casing (1) in a hinged manner, a sealing plate (12) is installed on the inner wall of the sealing door (5), and the size of the sealing plate (12) is matched with the size of the opening of the casing (1).

3. The SCR denitration reactor according to claim 2, wherein the sealing door (5) is provided with an observation window, and a temperature detector (13) is arranged on one side of the observation window.

4. The SCR denitration reactor according to claim 3, wherein the sealing door (5) is provided with a lock catch (14) and a lock groove matched with the lock catch is arranged on the casing (1).

5. The SCR denitration reactor according to claim 1, wherein the casing (1) is an integrally formed steel rectangular box.

6. An SCR denitration reactor as claimed in claim 1, wherein a locking head (15) is movably mounted at the end of each of a pair of said insertion rods (11).