CN213032201U - Low back pressure metal SCR catalyst carrier - Google Patents

Abstract

The utility model provides a low back pressure metal SCR catalyst carrier, belonging to the technical field of SCR catalysis, comprising a catalyst casing, an air inlet pipe, an air outlet pipe, a sliding door, a sealing strip and a plurality of catalytic components, the air inlet pipe is arranged at the front end of the catalyst shell, the air outlet pipe is arranged at the rear end of the catalyst shell, the top of the catalytic converter shell is provided with a rectangular groove, the sealing strip is arranged in the rectangular groove, the sliding door is arranged at the top of the sealing strip, and the sliding door with the catalyst housing is articulated, a plurality of catalytic component is equidistant setting and is in the catalyst housing, the utility model provides a backpressure of current catalyst carrier often bigger, the unable production work of traditional boiler after pressure is higher slightly, need spend more cost and time purchase new boiler or combustion system, greatly increased use cost's problem.

Description

Low back pressure metal SCR catalyst carrier

Technical Field

The utility model belongs to the technical field of the SCR catalysis technique and specifically relates to a low back pressure metal SCR catalyst carrier is related to.

Background

SCR catalyst is one of the most main methods for treating nitrogen oxide in the field of environmental protection, and along with the emission regulation of environmental protection requirements, especially the emission requirements of fixed pollution sources, the SCR catalyst has the requirements on the performance, back pressure and high space velocity of the SCR catalyst.

The existing SCR catalyst for treating NOX in the market generally adopts an extruded vanadium-based SCR carrier or a common cordierite ceramic carrier with lower price, the thickness of the extruded SCR carrier is 1.0-0.7 mm when the catalyst carrier is thicker, the thickness of the coated ceramic carrier is 0.2-0.17 mm, the back pressure of the catalyst carrier is often higher, the traditional boiler cannot work after the pressure is slightly higher, more cost and time are needed to purchase a new boiler or a new combustion system, and the use cost is greatly increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a low back pressure metal SCR catalyst carrier to solve the technical problem who provides among the above-mentioned background art.

The utility model provides a low back pressure metal SCR catalyst carrier, including catalyst converter casing, intake pipe, outlet duct, sliding door, sealing strip and a plurality of catalysis subassembly, the intake pipe sets up the front end of catalyst converter casing, the outlet duct sets up the rear end of catalyst converter casing, the top of catalyst converter casing is equipped with the rectangular channel, the sealing strip sets up in the rectangular channel, the sliding door sets up the top at the sealing strip, and the sliding door with the catalyst converter casing articulates, a plurality of the catalysis subassembly is equidistant to be set up in the catalyst converter casing, each catalysis subassembly all includes carriage, two fixed strips, two spacing rails, a plurality of movable pulley and a plurality of metal catalyst carrier, two spacing rails are symmetrical to be set up in the catalyst converter casing, the carriage sets up between two spacing rails, the bearing frame is in sliding fit with the two limiting rails through the plurality of sliding wheels, a plurality of separation cavities are arranged in the bearing frame, a plurality of metal catalyst carriers are respectively arranged in the plurality of separation cavities, and the two fixing strips are respectively in threaded connection with the two side walls of the bearing frame.

Further, every the metal catalyst carrier all includes shell, the horizontal metal sheet of a plurality of and a plurality of corrugated metal plate, the shell sets up separate the intracavity, a plurality of horizontal metal sheet is equidistant setting in the shell, a plurality of the corrugated metal plate sets up respectively in a plurality of on the horizontal metal sheet, and adjacent two dislocation set, a plurality of between the corrugated metal plate and a plurality of form a plurality of catalysis passageway between the horizontal metal sheet.

Furthermore, a handle is arranged at the top of the bearing frame.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model can catalyze the waste gas by the metal catalyst carrier in the catalysis component after the waste gas flows into the catalyst shell through the gas inlet pipe, because the metal carrier (the wall thickness of the metal carrier is 0.08-0.06mm) is adopted, the wall thickness is ultrathin, the back pressure is smaller than that of the traditional carrier, the back pressure requirement of most boilers in use can be met, more cost and time are not needed to purchase new boilers or combustion systems, the use cost is greatly reduced, then the catalyzed waste gas flows out of the catalytic converter shell through the gas outlet pipe to complete the catalytic operation of the waste gas, after using a certain time, need to scribble the catalyst again to the metal catalyst carrier, only need the manual work to open the sliding door this moment, take out the bearing frame from between two spacing rails, take off two fixed strips after to scribble the catalyst again to the metal catalyst carrier, it is very convenient to can scribble the metal catalyst carrier among all catalysis subassemblies fast.

Drawings

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

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

fig. 2 is a partial cross-sectional view of the present invention;

fig. 3 is a schematic perspective view of the catalytic assembly of the present invention;

fig. 4 is a schematic partial perspective view of a catalytic assembly according to the present invention;

fig. 5 is a schematic perspective view of the metal catalyst carrier of the present invention;

fig. 6 is a schematic view of a partial three-dimensional structure of the present invention.

Reference numerals:

the catalytic converter comprises a catalytic converter shell 1, an air inlet pipe 2, an air outlet pipe 3, a sliding door 4, a sealing strip 5, a catalytic assembly 6, a rectangular groove 7, a bearing frame 8, a fixing strip 9, a limiting rail 10, a sliding wheel 11, a metal catalyst carrier 12, a separation cavity 13, a shell 14, a transverse metal plate 15, a metal corrugated plate 16, a catalytic channel 17 and a handle 18.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention.

The components of the 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 work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed 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.

The following description shows with reference to fig. 1-6, the present invention provides a low back pressure metal SCR catalyst carrier, which comprises a catalyst housing 1, an air inlet pipe 2, an air outlet pipe 3, a sliding door 4, a sealing strip 5 and a plurality of catalytic components 6, wherein the air inlet pipe 2 is arranged at the front end of the catalyst housing 1, the air outlet pipe 3 is arranged at the rear end of the catalyst housing 1, the top of the catalyst housing 1 is provided with a rectangular groove 7, the sealing strip 5 is arranged in the rectangular groove 7, the sliding door 4 is arranged at the top of the sealing strip 5, the sliding door 4 is hinged to the catalyst housing 1, the catalytic components 6 are arranged in the catalyst housing 1 at equal intervals, each catalytic component 6 comprises a carrying frame 8, two fixing strips 9, two limit rails 10, a plurality of sliding wheels 11 and a plurality of metal catalyst carriers 12, two spacing rails 10 are symmetrically arranged in the catalytic converter shell 1, the bearing frame 8 is arranged between two spacing rails 10, the bearing frame 8 is in sliding fit with two spacing rails 10 through a plurality of sliding wheels 11, a plurality of separation cavities 13 are arranged in the bearing frame 8, a plurality of metal catalyst carriers 12 are respectively arranged in the separation cavities 13, two fixing strips 9 are respectively in threaded connection with the two side walls of the bearing frame 8, waste gas flows into the catalytic converter shell 1 through an air inlet pipe 2, then the metal catalyst carriers 12 in the catalytic component 6 catalyze the waste gas, and due to the fact that the metal carrier wall thickness is 0.08-0.06mm, the ultra-thin wall thickness is adopted, the backpressure is smaller than that of the traditional carrier, the backpressure requirement of most boilers in use can be met, and new boilers or combustion systems are not required to be purchased with more cost and time, use cost has been reduced greatly, waste gas after the catalysis afterwards flows out catalyst converter casing 1 through outlet duct 3, the completion is to the catalytic operation of waste gas, after using a certain time, need be to metal catalyst carrier 12 recoating catalyst, only need the manual work to open sliding door 4 this moment, take carrier frame 8 out from between two spacing rails 10, recoat the catalyst to metal catalyst carrier 12 after taking off two fixed strips 9, it is very convenient, and can coat the metal catalyst carrier 12 in all catalysis subassemblies 6 fast.

Specifically, every metal catalyst carrier 12 all includes shell 14, the horizontal metal sheet 15 of a plurality of and a plurality of corrugated metal plate 16, shell 14 sets up in separating chamber 13, a plurality of horizontal metal sheet 15 is equidistant setting in the shell 14, a plurality of corrugated metal plate 16 sets up respectively a plurality of on the horizontal metal sheet 15, and adjacent two dislocation set between the corrugated metal plate 16, a plurality of corrugated metal plate 16 and a plurality of form a plurality of catalysis passageway 17 between the horizontal metal sheet 15, when waste gas passes through in the catalysis passageway 17, the catalyst that coats catalyzes waste gas on corrugated metal plate 16 and the horizontal metal sheet 15, and the wall thickness of corrugated metal plate 16 and horizontal metal sheet 15 is at 0.08-0.06mm, ultra-thin wall thickness, and backpressure is less than traditional carrier, because the quantity of a plurality of catalysis passageway 17, the coated area of the catalyst is increased, the airspeed of the catalyst carrier is increased, and the using amount of the catalyst can be effectively reduced.

Specifically, the top of the bearing frame 8 is provided with a handle 18. The carrying frame 8 can be conveniently drawn out from between the two limit rails 10 by a hand through the handle 18.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (3)

1. A low back pressure metal SCR catalyst support characterized by: comprises a catalyst shell (1), an air inlet pipe (2), an air outlet pipe (3), a sliding door (4), a sealing strip (5) and a plurality of catalyst components (6), wherein the air inlet pipe (2) is arranged at the front end of the catalyst shell (1), the air outlet pipe (3) is arranged at the rear end of the catalyst shell (1), a rectangular groove (7) is arranged at the top of the catalyst shell (1), the sealing strip (5) is arranged in the rectangular groove (7), the sliding door (4) is arranged at the top of the sealing strip (5), the sliding door (4) is hinged with the catalyst shell (1), the catalyst components (6) are arranged in the catalyst shell (1) at equal intervals, each catalyst component (6) comprises a bearing frame (8), two fixing strips (9), two limiting rails (10), a plurality of sliding wheels (11) and a plurality of metal catalyst carriers (12), two spacing rails (10) are the symmetry and set up in catalyst converter casing (1), carriage (8) set up two between spacing rail (10), and carriage (8) are through a plurality of movable pulley (11) and two spacing rail (10) sliding fit, be equipped with a plurality of compartment (13) in carriage (8), a plurality of metal catalyst carrier (12) set up respectively in a plurality of separate compartment (13), two fixed strip (9) respectively with the both sides lateral wall spiro union of carriage (8).

2. The low back pressure metal SCR catalyst support of claim 1, wherein: every metal catalyst carrier (12) all includes shell (14), the horizontal metal sheet of a plurality of (15) and a plurality of corrugated metal plate (16), shell (14) sets up in separation chamber (13), a plurality of horizontal metal sheet (15) are equidistant setting in shell (14), a plurality of corrugated metal plate (16) sets up respectively in a plurality of on horizontal metal sheet (15), and adjacent two dislocation set between corrugated metal plate (16), a plurality of corrugated metal plate (16) and a plurality of form a plurality of catalysis passageway (17) between horizontal metal sheet (15).

3. The low back pressure metal SCR catalyst support of claim 1, wherein: the top of the bearing frame (8) is provided with a handle (18).

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