Evaporation heating surface suspension device of self-standing boiler

Abstract

The utility model discloses an evaporation heating surface suspension device of a self-standing boiler, and belongs to the technical field of self-standing boiler devices. An evaporation heating surface hanging device of a self-standing boiler comprises a membrane type water-cooled wall rear wall and a membrane type water-cooled wall front wall, and further comprises a plurality of sets of evaporation heating surface S-shaped pipe bundles hung between the membrane type water-cooled wall rear wall and the membrane type water-cooled wall front wall. The round steel and the steel plate are fixedly connected to form a rotating shaft, and the rotating shaft is used for hanging the evaporation heating surface S-shaped pipe bundle between the membrane type water-cooled wall rear wall and the membrane type water-cooled wall front wall; an original evaporation heating surface coiled pipe and a membrane wall are of a fixed connection structure and are welded on site, when a boiler operates, vibration caused by high-temperature flue gas scouring often causes strain of the membrane wall, potential safety hazards exist due to breakage of a fixing device, a novel suspension device adopts a rotating shaft type fixing mode, and the problem of operation safety of the boiler is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a self -supporting boiler device technical field especially relates to a self -supporting boiler's evaporation heating surface suspension device. BACKGROUND

[0002] In the boiler special equipment industry, vertical boiler is divided into self -supporting boiler and hanging boiler.

[0003] The evaporation heating surface of self -supporting boiler causes the membrane type water cooled wall to be pulled and the fracture of fixed device due to the vibration problem when the boiler runs, and a series of problems cause the safety hazard and economic loss of the boiler.

[0004] Therefore, a self -supporting boiler's evaporation heating surface suspension device is provided to solve the above -mentioned problems. SUMMARY

[0005] The utility model discloses a self -supporting boiler's evaporation heating surface suspension device to solve the problem in the background art.

[0006] In order to achieve the above -mentioned purpose, the utility model adopts the following technical scheme:

[0007] A self -supporting boiler's evaporation heating surface suspension device, including membrane type water cooled wall rear wall, membrane type water cooled wall front wall, still including:

[0008] Multiple evaporation heating surface serpentine tube bundles are suspended between the membrane type water cooled wall rear wall and the membrane type water cooled wall front wall.

[0009] Round steel and steel plate are fixedly connected into a rotating shaft, and the rotating shaft is used to suspend the evaporation heating surface serpentine tube bundle between the membrane type water cooled wall rear wall and the membrane type water cooled wall front wall.

[0010] Preferably, the membrane type water cooled wall rear wall and the membrane type water cooled wall front wall are fixedly connected with a bushing.

[0011] Preferably, flat steels are fixedly connected between the evaporation heating surface serpentine tube bundles, and the flat steels are used to form the multiple evaporation heating surface serpentine tube bundles into a whole.

[0012] Compared with the prior art, the utility model provides a self -supporting boiler's evaporation heating surface suspension device, which has the following beneficial effects:

[0013] The original evaporation heating surface coiled pipe and the membrane wall are fixedly connected and welded on site, and the vibration caused by the high temperature flue gas washing during the boiler operation often causes the membrane water cooling wall to be pulled and the fixing device to be broken, which has a safety hidden danger, the new type of suspension device adopts a rotating shaft type fixing mode, and the safety problem of the boiler operation is solved.

[0014] The original evaporation heating surface coiled pipe and the membrane wall are fixedly connected and welded on site, and the vibration caused by the high temperature flue gas washing during the boiler operation often causes the membrane water cooling wall to be pulled and the fixing device to be broken, which has a safety hidden danger, the new type of suspension device adopts a rotating shaft type fixing mode, and the safety problem of the boiler operation is solved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A structure diagram of a self-standing boiler evaporation heating surface suspension device is provided in the utility model.

[0016] Figure 2 A structure diagram of a self-standing boiler evaporation heating surface suspension device is provided in the utility model.

[0017] Figure 3 A structure diagram of a self-standing boiler evaporation heating surface suspension device is provided in the utility model.

[0018] Figure 4 A structure diagram of a self-standing boiler evaporation heating surface suspension device is provided in the utility model.

[0019] Figure 5 A structure diagram of a self-standing boiler evaporation heating surface suspension device is provided in the utility model.

[0020] In the drawing: 1, membrane water cooling wall rear wall; 2, membrane water cooling wall front wall; 3, evaporation heating surface coiled pipe bundle; 4, bushing; 5, round steel; 6, steel plate; 7, flat steel. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0022] Embodiment:

[0023] Reference Figures 1-5A suspension device for the evaporative heating surface of a self-supporting boiler includes a membrane water-cooled wall rear wall 1 and a membrane water-cooled wall front wall 2, and further includes: multiple sets of evaporative heating surface serpentine tube bundles 3, suspended between the membrane water-cooled wall rear wall 1 and the membrane water-cooled wall front wall 2; round steel 5 and steel plate 6 are fixedly connected to form a rotating shaft, which is used to suspend the evaporative heating surface serpentine tube bundles 3 between the membrane water-cooled wall rear wall 1 and the membrane water-cooled wall front wall 2; bushings 4 are fixedly connected to the membrane water-cooled wall rear wall 1 and the membrane water-cooled wall front wall 2; flat steel 7 is fixedly connected between the multiple sets of evaporative heating surface serpentine tube bundles 3, and the flat steel 7 is used to form the multiple sets of evaporative heating surface serpentine tube bundles 3 into a whole.

[0024] The flat steel 7 is welded to the evaporative heating surface serpentine tube bundle 3, which optimizes the integrated structure of the evaporative heating surface serpentine tube assembly, making it a whole and avoiding the problem of uneven vibration.

[0025] Combination Figure 1 , Figure 2 The bushing 4 is welded to the rear wall 1 and the front wall 2 of the membrane water-cooled wall, respectively, which solves the problem of high-altitude welding operations on site.

[0026] Combination Figure 1 and Figure 4 , Figure 5 The rotating shaft formed by welding round steel 5 and steel plate 6 is not welded to bushing 4. Instead, the rotating shaft formed by welding round steel 5 and steel plate 6 is welded to bushing 4 on site to form a movable suspension structure, which reduces the difficulty of high-altitude operation and solves the safety hazards caused by vibration during boiler operation.

[0027] Furthermore, this device is made of high-temperature resistant alloy steel.

[0028] This utility model:

[0029] This device effectively solves the safety hazards caused by boiler vibration. The original evaporator heating surface serpentine tube and membrane wall were fixed structures welded on site. When the boiler was running, the vibration caused by the high temperature flue gas often caused the membrane water-cooled wall to be strained and the fixing device to break, which posed a safety hazard. This suspension device adopts a rotating shaft fixing method, which solves the boiler operation safety problem.

[0030] The problem of high-altitude welding operations has been solved. The original structure of the self-supporting boiler, which is relatively high, was welded on-site at high altitude. The new suspension device welds the bushing 4 to the membrane water-cooled wall on the ground. When installing the evaporative heating surface serpentine tube on-site, only the rotating shaft needs to be installed, and high-altitude welding is not required.

[0031] The material optimization solves the maintenance difficulty problem. The new suspension device uses high-temperature resistant alloy steel, which avoids the limitations of high-temperature flue gas on the material.

[0032] This utility model has a simple structure, is easy to install, and has a high safety factor.

[0033] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A suspension device for the evaporative heating surface of a self-supporting boiler, comprising a membrane water-cooled wall rear wall (1) and a membrane water-cooled wall front wall (2), characterized in that, Also includes: Multiple sets of evaporative heating surface serpentine tube bundles (3) are suspended between the rear wall (1) and the front wall (2) of the membrane water-cooled wall; Round steel (5) and steel plate (6) are fixedly connected to form a rotating shaft, which is used to suspend the evaporation heating surface serpentine tube bundle (3) between the rear wall (1) and the front wall (2) of the membrane water-cooled wall.

2. The evaporative heating surface suspension device for a self-supporting boiler according to claim 1, characterized in that, Bushings (4) are fixedly connected to the rear wall (1) and front wall (2) of the membrane water-cooled wall.

3. The evaporative heating surface suspension device for a self-supporting boiler according to claim 1, characterized in that, Flat steel (7) is fixedly connected between multiple sets of evaporative heating surface serpentine tube bundles (3), and the flat steel (7) is used to form multiple sets of evaporative heating surface serpentine tube bundles (3) into a whole.

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