SCR (Selective Catalytic Reduction) denitration reactor

By introducing a guide rail device and roller system into the SCR denitrification reactor, the problems of large size and heavy weight of the manhole door were solved, and efficient and safe operation of the catalyst manhole door was achieved.

CN224009491UActive Publication Date: 2026-03-20LIAOCHENG LUXI CHEM ENG DESIGN
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-25
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

The manhole doors of existing SCR denitrification reactors are large and heavy, resulting in low efficiency and potential worker injury when opening and closing.

Method used

An SCR denitrification reactor with a guide rail device was designed. The guide rail device consists of parallel and vertical guide rails. The trolley is rolled to the guide rails, and rollers and reinforcing plates provide support, simplifying the disassembly and installation process of the catalyst manhole door.

Benefits of technology

It improves the efficiency of disassembly and installation of catalyst manhole doors, reduces the labor intensity of workers, and lowers the risk of injury.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of reactors, in particular to an SCR (Selective Catalytic Reduction) denitration reactor which comprises a reactor body and a catalyst manhole door detachably arranged on the reactor body, the guide rail device is positioned in front of the reactor body and comprises a guide rail I which is fixedly arranged in parallel to the direction of the catalyst manhole door and a guide rail II which is arranged perpendicular to the direction of the catalyst manhole door; the guide rail II is fixedly connected with a trolley I which is in rolling connection with the guide rail I; a second trolley is connected to the second guide rail in a rolling mode and fixedly connected with a catalyst manhole door. An inclined reinforcing plate is fixedly connected between the trolley II and the catalyst manhole door; by arranging the first guide rail and the second guide rail, the catalyst manhole door can be supported when the catalyst manhole door is disassembled or assembled, more labor is saved during operation, the efficiency is higher, and workers can be prevented from being injured.
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Description

TECHNICAL FIELD

[0001] The utility model relates to reactor technical field, concretely is a kind of SCR denitration reactor. BACKGROUND

[0002] In the process of industrial production, coal, petroleum, natural gas and other fossil fuels combustion can produce a lot of nitrogen oxides pollute atmosphere environment, the emission of nitrogen oxides and other pollutants is generally handled using SCR denitration reactor, its equipment main internal piece is the modularization catalyst of cuboid, in the process of catalyst dismounting, need pass through catalyst manhole door;Industrial catalyst is generally large in size, the size of the manhole door matched is larger, and the quality is heavy;Existing manhole door connecting mode includes mode one: using rotary cover shaft lug type connecting mode, i.e. manhole door side surface welding shaft, using pin shaft and reactor body connection;Pin shaft is subjected to too large shearing force, manhole door is prone to droop, deformation, when opening again close, docking is difficult, manhole door body overhaul frequency is high;Mode two is that manhole door and reactor body are detachably connected;When opening, closing manhole door, electric hoist is used to assist dismounting, electric hoist can only lift, leading to extremely low dismounting efficiency and easily causing worker injury. SUMMARY

[0003] The utility model discloses a kind of SCR denitration reactor, to solve the size of the manhole door matched in the above prior art of SCR denitration reactor is larger, quality is heavy, when opening, closing manhole door, hand-operated hoist is used to assist dismounting, extremely low efficiency and easily causing worker injury Problem.

[0004] To achieve the above object, the utility model provides a kind of SCR denitration reactor, including reactor body, detachable catalyst manhole door on the reactor body;Still including guide rail device located at the front of reactor body, guide rail device includes the guide rail one fixedly arranged in parallel with catalyst manhole door direction and the guide rail two vertically arranged in catalyst manhole door direction;Guide rail two is fixedly connected with trolley one, trolley one is rollingly connected with guide rail one;Guide rail two is rollingly connected with trolley two, trolley two is fixedly connected with catalyst manhole door;Trolley two and catalyst manhole door are also fixedly connected with the reinforcing plate of inclined arrangement between them.

[0005] Further, guide rail one is I-shaped track, guide rail two is C-shaped track, both ends of guide rail one and the end of guide rail two away from catalyst manhole door are provided with limit plate.

[0006] Further, the lower part of guide rail two is provided with reinforcing rib plate.

[0007] Further, the trolley one and the trolley two are provided with rollers, the roller comprises an axle, the outer side of the axle is fixedly connected with a bearing, the outer side of the bearing is fixedly connected with an outer wheel, the right side of the outer wheel is detachably fixedly connected with an end cover, and the left side of the outer wheel and the axle are provided with wool felt.

[0008] Further, the trolley one and the trolley two are detachably fixedly connected with the rollers through bolts.

[0009] Further, the front part of the catalyst manhole door is fixedly connected with a reinforcing steel.

[0010] The utility model discloses a reinforcing steel is arranged on the front part of the catalyst manhole door, and the reinforcing steel can provide support for the catalyst manhole door when the catalyst manhole door is disassembled or installed, so that the worker can be prevented from being injured. BRIEF DESCRIPTION OF DRAWINGS

[0011] The description and the drawings of the specification attached hereto form a part of the application and are included to further provide a full understanding of the application. The specific embodiments of the application and the specific examples thereof are intended to be illustrative only and not limiting of the scope of the application as set forth in the claims.

[0012] Figure 1 It is a front view structural schematic diagram of the SCR denitration reactor in the embodiment;

[0013] Figure 2 It is a side view structural schematic diagram of the SCR denitration reactor in the embodiment;

[0014] Figure 3 It is Figure 2 An enlarged view of A in the embodiment;

[0015] Figure 4 It is Figure 1 An enlarged view of B in the embodiment;

[0016] Figure 5 It is a structural schematic diagram of the roller in the embodiment;

[0017] In the drawing: 1, catalyst manhole door; 101, reinforcing steel; 2, guide rail one; 3, guide rail two; 301, reinforcing rib plate; 4, trolley two; 5, trolley one; 6, roller; 601, axle; 602, bearing; 603, outer wheel; 604, end cover; 605, wool felt; 7, reinforcing plate; 8, limiting plate. DETAILED DESCRIPTION

[0018] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The utility model will be described in detail below with reference to the drawings and in combination with the embodiments.

[0019] As Figures 1 to 5As shown, according to the embodiment of the utility model, provide a kind of SCR denitration reactor, including reactor body, detachable catalyst manhole door 1 on the reactor body;Further include the guide rail device located in the front of reactor body, guide rail device includes the guide rail one 2 of being fixedly arranged in parallel with catalyst manhole door 1 direction and the guide rail two 3 of being arranged perpendicular to catalyst manhole door 1 direction;Guide rail two 3 is below guide rail one 2;Guide rail two 3 is fixedly connected with trolley one 5, trolley one 5 is rollingly connected with guide rail one 2;Guide rail two 3 is rollingly connected with trolley two 4, trolley two 4 is fixedly connected with catalyst manhole door 1;Trolley two 4 and catalyst manhole door 1 between further fixedly connected with the reinforcing plate 7 of being arranged obliquely.

[0020] Guide rail one 2 is I-shaped track, guide rail two is C-shaped track, both ends of guide rail one 2 and the end of guide rail two 3 away from catalyst manhole door 1 are provided with limit plate 8.

[0021] The lower part of guide rail two 3 is provided with reinforcing rib plate 301.

[0022] Trolley one 5 and trolley two 4 are provided with rolling wheel 6;Rolling wheel 6 includes wheel shaft 601, the inner ring of bearing 602 is fixedly connected to the outer side of wheel shaft 601, the outer ring of bearing 602 is fixedly connected with outer wheel 603, outer wheel 603 is detachably fixedly connected with end cover 604 on the right side, and wool felt 605 is arranged between the left side of outer wheel 603 and wheel shaft 601;Wool felt 605 plays the role of sealing and dustproof;Bearing 602 is deep groove ball bearing.

[0023] Trolley one 5 and trolley two 4 are detachably fixedly connected with the wheel shaft 601 of rolling wheel 6 by bolts.

[0024] The front of catalyst manhole door 1 is fixedly connected with reinforcing steel 101;Trolley two 4 and reinforcing plate 7 are connected at reinforcing steel 101.

[0025] When catalyst manhole door 1 is opened, catalyst manhole door 1 is pulled out along the direction of guide rail two 3, and then catalyst manhole door 1 is pushed away from the side of reactor body along the direction of guide rail one 2;When catalyst manhole door 1 is closed, catalyst manhole door 1 is pulled to the side of reactor body, and then catalyst manhole door 1 is pushed inward along guide rail two 3 and installed on the reactor body.

[0026] The above only is preferred embodiment of the utility model and does not limit the utility model, for the person skilled in the art, the utility model can have various changes and changes. Any modification, equivalent replacement, improvement etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An SCR denitrification reactor, comprising a reactor body and a catalyst manhole door (1) detachably mounted on the reactor body; characterized in that, It also includes a guide rail device located in front of the reactor body. The guide rail device includes a guide rail one (2) fixedly arranged parallel to the direction of the catalyst manhole door (1) and a guide rail two (3) arranged perpendicular to the direction of the catalyst manhole door (1). A trolley one (5) is fixedly connected to the guide rail two (3), and the trolley one (5) is slidably connected to the guide rail one (2). A trolley two (4) is slidably connected to the guide rail two (3), and the catalyst manhole door (1) is fixedly connected to the trolley two (4). An inclined reinforcing plate (7) is also fixedly connected between the trolley two (4) and the catalyst manhole door (1).

2. The SCR denitrification reactor as described in claim 1, characterized in that, The first guide rail (2) is an I-shaped track, and the second guide rail (3) is a C-shaped track. Limiting plates (8) are provided at both ends of the first guide rail (2) and at the end of the second guide rail (3) away from the catalyst manhole (1).

3. The SCR denitrification reactor as described in claim 1, characterized in that, The lower part of the guide rail 2 (3) is provided with a reinforcing rib plate (301).

4. The SCR denitrification reactor as described in claim 1, characterized in that, Both the first trolley (5) and the second trolley (4) are equipped with rollers (6); each roller (6) includes an axle (601), a bearing (602) is fixedly connected to the outside of the axle (601), an outer wheel (603) is fixedly connected to the outside of the bearing (602), an end cap (604) is detachably fixedly connected to the right side of the outer wheel (603), and a wool felt (605) is provided between the left side of the outer wheel (603) and the axle (601).

5. The SCR denitrification reactor as described in claim 1, characterized in that, Both the first trolley (5) and the second trolley (4) are detachably and fixedly connected to the rollers (6) by bolts.

6. The SCR denitrification reactor as described in claim 1, characterized in that, The front part of the catalyst manhole (1) is fixedly connected with a reinforcing steel (101).