CN215364560U

CN215364560U - SCR catalyst module hoist device

Info

Publication number: CN215364560U
Application number: CN202121524243.7U
Authority: CN
Inventors: 鲍强; 王乐乐; 王凯; 孔凡海; 杨晓宁; 姚燕; 雷嗣远; 马云龙; 卿梦磊; 王丽朋; 何川; 张发捷; 李乐田; 卞子君; 吴国勋; 李昂; 肖飞
Original assignee: Xian Thermal Power Research Institute Co Ltd; Suzhou Xire Energy Saving Environmental Protection Technology Co Ltd
Current assignee: Xian Thermal Power Research Institute Co Ltd; Suzhou Xire Energy Saving Environmental Protection Technology Co Ltd
Priority date: 2021-07-06
Filing date: 2021-07-06
Publication date: 2021-12-31
Anticipated expiration: 2031-07-06

Abstract

The utility model relates to a hoisting device for an SCR catalyst module, which comprises a supporting assembly and a hoisting assembly, wherein the supporting assembly comprises a supporting unit, the supporting unit comprises a fixed pipe, a movable pipe, a protection piece and a driving piece, the fixed pipe is used for being connected to a unit platform, the movable pipe is arranged in the fixed pipe, two ends of the movable pipe extend out of the fixed pipe, one end of the movable pipe is connected with the protection piece, the other end of the movable pipe is connected with the driving piece, and the driving piece controls the movable pipe to move axially along the fixed pipe or rotate in the fixed pipe; the hoisting assembly comprises a first hoisting piece and a second hoisting piece, the first hoisting piece is used for hoisting the catalyst module to one side of the protection piece, and the second hoisting piece is used for hoisting the center of gravity of the catalyst module to be consistent with the vertical direction of the second hoisting piece hoisting rope. The utility model improves the safety and reliability of the catalyst module in the hoisting process, prevents the catalyst module from being damaged due to large shaking generated in the hoisting process, is convenient to install and dismantle in a complex environment, cannot influence and damage the site, and improves the working efficiency.

Description

SCR catalyst module hoist device

Technical Field

The utility model belongs to the technical field of catalyst hoisting equipment, and particularly relates to a hoisting device for an SCR catalyst module.

Background

At present, most of coal-fired power plants adopt an SCR flue gas denitration technology to meet the requirement of ultralow emission, and a catalyst is the core of the SCR flue gas denitration technology. In the using process, the activity of the catalyst is reduced due to various reasons, so that the denitration performance is reduced, and even the safe and stable operation of a unit is influenced. Therefore, the catalyst needs to be periodically detected, the service life state of the catalyst needs to be evaluated, and the strategies of scrapping, regeneration and replacement of the catalyst need to be made in advance so as to meet the environmental protection requirement and the safe operation of the unit.

The loading, regeneration and scrapping of the catalyst all relate to the hoisting of a catalyst module. The winch is used as a hoisting machine and widely applied to power plants with dense pipe networks, numerous platforms and compact arrangement of other equipment. The catalyst is at the hoist and mount in-process, relate to catalyst module and shift to hoist machine side lifting hook process from the electric/manual hoist lifting hook of unit side, there is the focus horizontal displacement condition during it, influenced by site location and equipment arrangement condition, the displacement is up to 500mm ~2000mm, if do not take safety protection measure, then easily lead to great rocking, cause equipment and catalyst module to damage, the potential safety hazard that operating personnel falls can appear even, consequently to above-mentioned problem, urgent need design a safe and reliable and installation and convenient operation's hoist device.

Disclosure of Invention

The utility model aims to provide a hoisting device for an SCR catalyst module, which is used for solving the problem of potential safety hazard in the hoisting process of the SCR catalyst module.

In order to achieve the purpose, the utility model adopts the technical scheme that:

an SCR catalyst module hoisting device comprises a supporting assembly and a hoisting assembly, wherein the supporting assembly comprises a supporting unit, the supporting unit comprises a fixed pipe, a movable pipe, a protection piece and a driving piece, the fixed pipe is used for being connected to a unit platform, the movable pipe is arranged in the fixed pipe, two ends of the movable pipe extend out of the fixed pipe, one end of the movable pipe is connected with the protection piece, the other end of the movable pipe is connected with the driving piece, and the driving piece controls the movable pipe to axially move along the fixed pipe or controls the movable pipe to rotate in the fixed pipe; the hoisting assembly comprises a first hoisting piece and a second hoisting piece, the first hoisting piece is used for hoisting the catalyst module to one side of the protection piece, and the second hoisting piece is used for hoisting the gravity center direction of the catalyst module to be consistent with the vertical direction of a hoisting rope of the second hoisting piece.

Preferably, the supporting unit is provided with a plurality of supporting units, and the plurality of supporting units are horizontally arranged.

Further preferably, the distance between two adjacent support units is smaller than the width of the catalyst module.

Preferably, the supporting unit further comprises a fixing base, the fixing pipe is connected to the unit platform through the fixing base, and one end of the fixing pipe extends out of the unit platform. The fixed base is used for forming a stable supporting foundation.

Further preferably, the fixed base is connected with the unit platform through welding or threads.

Preferably, the protection member and the movable tube are perpendicular to each other. The protection piece is used for preventing the catalyst module from shaking in the process of hanging down and replacing the lifting hook or controlling the catalyst module to move in the process of hanging up and replacing the lifting hook.

Preferably, the driving member comprises a connecting section and a control section, the connecting section and the control section are perpendicular to each other, and the connecting section is inserted into the other end of the movable tube.

Further preferably, the connecting section is connected with the movable pipe through welding or threads.

Preferably, the hoisting assembly further comprises a catalyst hook, and the catalyst hook is connected to the catalyst module and used for connecting the first hoisting member and the second hoisting member in the hoisting process.

Preferably, the first hanging part adopts an electric hoist or a manual hoist, and the second hanging part adopts a winch.

Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

by adopting the catalyst module hoisting device comprising the support assembly, the safety and reliability of the catalyst module hoisting process are improved, the catalyst module is prevented from shaking greatly and being damaged in the hoisting process, the convenience of fixed installation and removal in the complex and compact environment of a power plant is improved, the influence and damage to the site are avoided, and the working efficiency of the catalyst module hoisting is improved.

Drawings

Fig. 1 is a schematic front view of the hoisting device of the embodiment;

fig. 2 is a schematic top view of the hoisting device of the present embodiment.

In the above drawings:

1. a support assembly; 11. a support unit; 111. a fixed tube; 112. a movable tube; 113. a guard; 114. a drive member; 1141. a connecting section; 1142. a control section; 115. a fixed base; 116. a fixing plate; 2. hoisting the assembly; 21. a first hanger; 22. a second hanger; 23. catalyst lifting hooks; 3. a unit platform; 4. a catalyst module.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within 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", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular 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 should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

A certain 300MW coal-fired power generator set is selected, the unit platform 3 is a platform where the catalyst module 4 is located, and the unit platform 3 adopts a grid plate.

An SCR catalyst module hoisting device is shown in figure 1 and comprises a support assembly 1 and a hoisting assembly 2. Wherein:

the support assembly 1 comprises a plurality of support units 11, the plurality of support units 11 are horizontally arranged, and the distance between every two adjacent support units 11 is smaller than the width of the catalyst module 4. In this embodiment: two support units 11 are provided, and the two support units 11 are connected with each other by a plurality of fixing plates 116.

The supporting unit 11 includes a fixed pipe 111, a movable pipe 112, a shielding member 113, a driving member 114, and a fixed base 115, as shown in fig. 2. Specifically, the method comprises the following steps:

fixed pipe 111 is connected on unit platform 3, and the length of fixed pipe 111 requires to select according to on-the-spot complex situation and work efficiency: if the working area is good or the efficiency requirement is general, the length of the fixed pipe 111 extending out of the unit platform 3 can be set to be shorter or not to exceed the edge of the unit platform 3; if the external equipment pipe network of the unit platform 3 is complex or has high efficiency requirement, the length of the fixed pipe 111 extending out of the unit platform 3 is extended, but the operation of the catalyst module 4 by an operator on the unit platform 3 is still required to be ensured. In this embodiment: one end of the fixed pipe 111 extends out of the unit platform 3, and the length of the fixed pipe 111 extending out of the unit platform 3 can be used for placing one catalyst module 4.

The movable tube 112 is disposed inside the fixed tube 111, and both ends of the movable tube 112 extend out of the fixed tube 111, and the movable tube 112 can move axially along the fixed tube 111 or rotate in the fixed tube 111.

A guard 113 is attached to one end of the movable tube 112, and the guard 113 and the movable tube 112 are perpendicular to each other. The guard 113 is used to prevent the catalyst module 4 from shaking during the process of hanging down to replace the hooks or to control the movement of the catalyst module 4 during the process of hanging up to replace the hooks.

The driving member 114 is connected to the other end of the movable tube 112, and the driving member 114 is used for controlling the movable tube 112 to move axially along the fixed tube 111 or controlling the movable tube 112 to rotate in the fixed tube 111, so as to adjust the direction of the protection member 113 and prevent the movable tube 112 from slipping. The drive member 114 may be manually pulled or motor driven. In this embodiment: the driving member 114 includes a connecting section 1141 and a control section 1142, the connecting section 1141 and the control section 1142 are perpendicular to each other, the connecting section 1141 is inserted into the other end of the movable tube 112, and the connecting section 1141 is connected to the movable tube 112 by welding or screwing.

The fixed base 115 is used for connecting the fixed pipe 111 to the unit platform 3 to form a stable supporting base, and the fixed base 115 is connected with the unit platform 3 through welding or threads. In this embodiment: two fixed bases 115 are used to attach the fixed tube 111 to the unit platform 3 by a threaded connection.

The hoisting assembly 2 comprises a first hoisting member 21, a second hoisting member 22 and a catalyst hoisting hook 23, wherein the first hoisting member 21 is used for hoisting the catalyst module 4 to one side of the protection member 113, the second hoisting member 22 is used for hoisting the gravity center direction of the catalyst module 3 to be consistent with the vertical direction of a hoisting rope of the second hoisting member 22, and the catalyst hoisting hook 23 is connected to the catalyst module 4 and is used for connecting the first hoisting member 21 and the second hoisting member 22 in the hoisting process. In this embodiment: the first hanging member 21 is an electric hoist or a hand hoist, and the second hanging member 22 is a winch.

In the working process of the embodiment:

for the catalyst module 4 drop-off process: the catalyst module 4 is lifted by adopting the first lifting piece 21, and the catalyst module 4 is placed above the part of the fixed pipe 111 extending out of the unit platform 3; connecting and fastening the hook of the second hanger 22 and the catalyst hook 23, and unfastening the hook of the first hanger 21; the position of the movable tube 112 is adjusted by the driving member 114 so that the shielding member 113 is located at the end closest to the fixed tube 111 and the shielding member 113 is ensured to be perpendicular to the bottom surface of the catalyst module 4; the catalyst module 4 is slowly lifted by the second lifting member 22, and the driving member 114 is controlled to enable the movable pipe 112 to be matched with the catalyst module 4 to move outwards, so that the catalyst module 4 is prevented from shaking in the moving process; when the direction of the center of gravity of the catalyst module 4 coincides with the vertical direction of the hoist rope of the second hoist 22, the guard 113 is controlled to rotate by the driving member 114, and the guard 113 is returned to the end closest to the fixed pipe 111; the second suspender 22 is controlled to suspend the catalyst module 4.

For the process of lifting the catalyst module 4: the catalyst module 4 is hoisted to a position higher than the unit platform 3 by using the second hoisting member 22, and the position of the movable pipe 112 and the direction of the protection member 113 are adjusted by using the driving member 114, so that the protection member 113 is perpendicular to the bottom surface of the catalyst module 4 and is attached to the outer surface of the catalyst module 4; the catalyst module 4 is slowly dropped by using the second hanger 22, and the movable tube 112 is moved inward by matching with the catalyst module 4 by controlling the driving member 114, so that the protection member 113 is kept in contact with the catalyst module 4 in the whole process; when the catalyst module 4 moves to a position that the fixed pipe 111 extends out of the upper part of the unit platform 3, the second hanging piece 22 is unloaded, meanwhile, the hook of the first hanging piece 21 is connected and fastened with the catalyst hook 23, and the hook of the second hanging piece 22 is unlocked; the first lifting member 21 is controlled to lift the catalyst module 4 and move the catalyst module 4 into the unit platform 3.

By adopting the catalyst module hoisting device, the SCR catalyst module with the weight of 1268kg is hoisted and hoisted continuously for 10 days, 288 SCR catalyst modules are dismounted, the efficiency is higher, and in the whole working process, the catalyst module hoisting device runs stably and reliably without shaking and damage.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a SCR catalyst module hoist device which characterized in that: the supporting assembly comprises a supporting unit, the supporting unit comprises a fixed pipe, a movable pipe, a protection piece and a driving piece, the fixed pipe is used for being connected to a unit platform, the movable pipe is arranged in the fixed pipe, two ends of the movable pipe extend out of the fixed pipe, one end of the movable pipe is connected with the protection piece, the other end of the movable pipe is connected with the driving piece, and the driving piece controls the movable pipe to move axially along the fixed pipe or controls the movable pipe to rotate in the fixed pipe; the hoisting assembly comprises a first hoisting piece and a second hoisting piece, the first hoisting piece is used for hoisting the catalyst module to one side of the protection piece, and the second hoisting piece is used for hoisting the gravity center direction of the catalyst module to be consistent with the vertical direction of a hoisting rope of the second hoisting piece.

2. The SCR catalyst module hoisting device of claim 1, wherein: the supporting units are arranged in a plurality and are horizontally arranged.

3. The SCR catalyst module hoisting device of claim 2, wherein: the distance between two adjacent support units is smaller than the width of the catalyst module.

4. The SCR catalyst module hoisting device of claim 1, wherein: the supporting unit further comprises a fixed base, the fixed pipe is connected to the unit platform through the fixed base, and one end of the fixed pipe extends out of the unit platform.

5. The SCR catalyst module hoist device of claim 4, characterized in that: the fixed base is connected with the unit platform through welding or threads.

6. The SCR catalyst module hoisting device of claim 1, wherein: the protection piece is perpendicular to the movable tube.

7. The SCR catalyst module hoisting device of claim 1, wherein: the driving piece comprises a connecting section and a control section, the connecting section and the control section are perpendicular to each other, and the connecting section is inserted into the other end of the movable pipe.

8. The SCR catalyst module hoisting device of claim 7, wherein: the connecting section is connected with the movable pipe through welding or threads.

9. The SCR catalyst module hoisting device of claim 1, wherein: the hoisting assembly further comprises a catalyst lifting hook, and the catalyst lifting hook is connected to the catalyst module and used for connecting the first hoisting piece and the second hoisting piece in the hoisting process.

10. The SCR catalyst module hoisting device of claim 1, wherein: the first hanging piece adopts an electric hoist or a manual hoist, and the second hanging piece adopts a winch.