Easily detachable sealing structure of semi-waste boiler gasification furnace

Abstract

The utility model relates to the technical field of gasification furnace sealing, in particular to an easy-to-disassemble sealing structure of a semi-waste boiler gasification furnace, which comprises a sealing packing arranged between a water cooler and an upper water cooling wall, a pressing plate connecting piece connected with the water cooler and a packing pressing plate arranged on the sealing packing, the packing pressing plate is arranged on the top of the sealing packing, the sealing packing is located on the outer side of the pressing plate connecting piece, and the packing pressing plate is detachably connected with the pressing plate connecting piece through the detachable connecting piece. The pressing plate connecting piece and the packing pressing plate are detachably connected through the detachable connecting piece, reliable protection of the sealing packing can be achieved, the packing pressing plate and the pressing plate connecting piece can be rapidly detached during maintenance and overhaul, the structure is simple, the detaching difficulty and the installing difficulty are reduced, the working efficiency is improved, and the stopping time is shortened. Meanwhile, the actual sealing requirement is met.

Description

TECHNICAL FIELD

[0001] The utility model relates to gasification furnace sealing technical field, concretely relates to a kind of semi-waste pot gasification furnace easy-to-disassemble sealing structure. BACKGROUND

[0002] Semi-waste pot gasification furnace selects to add a section of waste pot section between gasification chamber and quenching chamber, waste pot section is arranged water-cooled wall, and a water cooler is arranged at the upper and lower ends of waste pot section respectively;Raw coal and oxygen are incompletely oxidized in gasification chamber to generate water gas, and high-temperature water gas enters waste pot section, high-pressure boiler water is introduced into upper and lower water coolers and water-cooled wall, and saturated steam is generated by absorbing sensible heat of water gas, to achieve the purpose of recovering heat;Water gas enters quenching chamber after recovering heat in waste pot section, and continues to be quenched.

[0003] In actual working process, thermal deformation can be generated between upper water cooler and water-cooled wall due to heating, so that gap can be caused between the two, causing water gas leakage;The existing mode usually sets sealing structure between the two, for example, Chinese utility model patent with application number 2021213003361 provides a semi-waste pot gasification furnace waste pot section sealing structure, which supports the heat-resistant part by welding a pressing plate in the inner side of water cooler return cofferdam to compress the packing.

[0004] In actual use, the pressing plate needs to be replaced frequently due to deformation and other reasons, but the welding of the pressing plate and the water cooler is not convenient to disassemble, which also increases the disassembly and assembly difficulty, increases downtime, reduces production efficiency, and cannot meet the actual production demand. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of semi-waste pot gasification furnace easy-to-disassemble sealing structure, to solve the technical problem that current semi-waste pot gasification furnace sealing structure is complicated and not easy to disassemble.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A kind of semi-waste pot gasification furnace easy-to-disassemble sealing structure, including the sealing packing between water cooler and upper water-cooled wall, the pressing plate connecting piece connected with water cooler and the packing pressing plate set on sealing packing;

[0008] The packing pressing plate is arranged on the top of sealing packing, and the sealing packing is located on the outer side of pressing plate connecting piece, and the packing pressing plate is connected with pressing plate connecting piece by disassembling connecting piece.

[0009] Further limited, the packing plate connecting ring is connected with the water cooler protection cylinder, and the upper packing ring is directly above the packing plate connecting ring and is detachably connected with the packing plate connecting ring through the detachable connecting piece.

[0010] Further limited, the top of the upper packing ring is provided with a detachable lifting ring, and the detachable connecting piece is located outside the detachable lifting ring.

[0011] Further limited, the packing plate connecting ring is connected with the water cooler protection cylinder, and the upper packing ring is directly above the packing plate connecting ring and is detachably connected with the packing plate connecting ring through the detachable connecting piece.

[0012] Further limited, the semi-waste pot gasification furnace detachable sealing structure further comprises a plurality of support arc plates, and the plurality of support arc plates are circumferentially arranged around the axis of the upper water cooling wall; the sealing packing and the side pressing ring are located between the water cooler protection cylinder and the corresponding support arc plate.

[0013] Further limited, the support arc plate is connected with the upper water cooling wall through a sealing block.

[0014] Further limited, the outer wall of the water cooler protection cylinder is provided with a sealing support ring, the sealing support ring is located between the water cooler protection cylinder and the corresponding support arc plate, and the bottom of the sealing packing is in contact with the top of the sealing support ring.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] 1、The packing plate connecting piece and the packing plate are detachably connected through the detachable connecting piece, reliable protection of the sealing packing can be realized, the packing plate and the packing plate connecting piece can be quickly removed during maintenance, the structure is simple, the difficulty of disassembly and installation is reduced, the working efficiency is improved, the downtime is reduced, and the actual sealing requirements are met.

[0017] 2、The water cooler protection cylinder and the support arc plate are arranged, so that the packing plate connecting piece and the packing plate are not directly connected with the water cooler and the upper water cooling wall, the water cooler and the upper water cooling wall are protected, the wear of the water cooler and the upper water cooling wall during use is reduced, the service life is prolonged, and the production cost is reduced.

[0018] 3. The utility model discloses a sealing cavity is formed to furnace hearth inside is sealed through the upper pressing ring extruding sealing packing by sealing support ring, water cooler protection cylinder and support arc plate, the both sides of sealing cavity are smooth and have no edge, and the sealing packing, support arc plate and upper pressing ring will not destroy the compacted force and sealing structure of sealing packing when relative displacement occurs with water cooler and upper water cooling wall, thereby guaranteeing the stable and reliable sealing structure under the premise of guaranteeing the effect of sealing. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the schematic diagram of the utility model semi waste pot gasification furnace easy dismounting sealing structure.

[0020] In the drawing: 1-water cooler, 2-packing pressing plate, 3-sealing packing, 4-side pressing ring, 5-upper pressing ring, 6-pressing plate connecting ring, 7-water cooler protection cylinder, 8-support arc plate, 9-upper water cooling wall, a-dismounting connecting piece, b-dismounting lifting ring, c-sealing support ring, d-sealing block. DETAILED DESCRIPTION

[0021] In order to make the technical problem, technical scheme and beneficial effect of the utility model clearer, the following in combination with the drawings and examples, the utility model is further detailed.This specific embodiment described herein is merely used to explain the utility model, and is not used to limit the utility model, and specific details such as specific system structure, technology are proposed, so that the utility model embodiment can be understood more thoroughly.The described embodiment is a part of the embodiment of the present disclosure, but not all the embodiments. However, those skilled in the art should clearly understand that the utility model can also be realized in other embodiments without these specific details. Based on the embodiment in the present disclosure, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of the utility model disclosure protection.

[0022] The specific embodiment of the utility model is described in detail below in combination with the drawings.

[0023] Reference Figure 1 The embodiment provides a semi waste pot gasification furnace easy dismounting sealing structure, including sealing packing 3, pressing plate connecting piece and packing pressing plate 2, wherein the pressing plate connecting piece is connected with the water cooler 1, the packing pressing plate 2 is arranged on the sealing packing 3 and is used for protecting the sealing packing 3, the sealing packing 3 is arranged between the water cooler 1 and the upper water cooling wall 9, the pressing plate connecting piece is connected with the water cooler 1, the packing pressing plate 2 is connected with the pressing plate connecting piece through the dismounting connecting piece a, so that when maintaining and overhauling, the pressing plate connecting piece and the packing pressing plate 2 are separated directly through the dismounting connecting piece a, the structure is simple, the cost is low, the sealing demand can be realized simultaneously, the dismounting difficulty is reduced, the operation efficiency is improved, and the parking loss is reduced.

[0024] Specifically, the packing pressing plate 2 comprises a side pressing ring 4 and an upper pressing ring 5, the side pressing ring 4 is in a cylindrical structure, the side pressing ring 4 is sleeved outside the water cooler 1, the bottom of the side pressing ring 4 is in contact with the top of the sealing packing 3, the upper pressing ring 5 is connected with the top of the side pressing ring 4, and the top of the side pressing ring 4 extends upwards above the pressing plate connecting piece; the upper pressing ring 5 is in a plate structure, the side pressing ring 4 is sleeved outside the upper pressing ring 5, and the upper pressing ring 5 is located directly above the pressing plate connecting piece, so that the upper pressing ring 5 is detachably connected with the pressing plate connecting piece through the dismounting connecting piece a.

[0025] In the actual dismounting process, the dismounting connecting piece a is used to realize the dismounting between the packing pressing plate 2 and the pressing plate connecting piece.

[0026] In order to ensure the structural strength of the packing pressing plate 2, the side pressing ring 4 and the upper pressing ring 5 are preferably fixedly connected, for example, the welding mode can be selected for connection.

[0027] Further, in order to facilitate the movement of the packing pressing plate 2 in the dismounting process, the dismounting lifting ring b is arranged on the top of the upper pressing ring 5, and the dismounting lifting ring b is used to move and adjust the packing pressing plate 2 during the dismounting operation, thereby further improving the dismounting efficiency.

[0028] Further, the pressing plate connecting piece comprises a pressing plate connecting ring 6 and a water cooler protection cylinder 7, the pressing plate connecting ring 6 is also in a plate structure, the water cooler protection cylinder 7 is sleeved outside the pressing plate connecting ring 6, the pressing plate connecting ring 6 is located at the top of the water cooler protection cylinder 7, at this time, the sealing packing 3 and the side pressing ring 4 are located between the upper water cooling wall 9 and the water cooler protection cylinder 7, and the upper pressing ring 5 is located directly above the pressing plate connecting ring 6.

[0029] The upper pressing ring 5 is detachably connected with the pressing plate connecting ring 6 through the dismounting connecting piece a, the dismounting connecting piece a can be selected as a lock or a bolt, and the bolt is preferred.

[0030] In order to realize the protection of the upper water cooling wall 9 and avoid the unevenness between the sealing packing 3 and the upper water cooling wall 9 to reduce the sealing effect.

[0031] The semi-waste pot gasifier easy-to-dismount sealing structure provided in the embodiment further comprises a plurality of supporting arc plates 8, the plurality of supporting arc plates 8 are arranged outside the upper water cooling wall 9 in a circumferential direction around the axis of the upper water cooling wall 9, so that when the upper water cooling wall 9 is heated and expanded, the supporting arc plates 8 press the sealing packing 3 close to the water cooler protection cylinder 7.

[0032] The sealing support ring c, the water cooler protection cylinder 7 and the support arc plate 8 form a sealing cavity, the sealing cavity is filled with the sealing packing 3, the sealing packing 3 is extruded by the upper pressing ring 5, and the inside of the furnace chamber of the gasification furnace is sealed; the two sides of the sealing cavity are smooth and have no edges and corners, the sealing packing 3, the support arc plate 8 and the upper pressing ring 5 will not damage the compression force and the sealing structure of the sealing packing 3 when the water cooler 1 and the upper water cooling wall 9 are relatively displaced, so that the expansion of the upper water cooling wall 9 does not affect the stability of the sealing structure on the premise of ensuring the sealing effect.

[0033] The number of the support arc plate 8 can be three, and the central angles of the three support arc plates 8 are 120 degrees.

[0034] At this time, the sealing packing 3 and the side pressing ring 4 are located between the water cooler protection cylinder 7 and the corresponding support arc plate 8, and the sealing packing 3 can be in close contact with the water cooler protection cylinder 7 and the support arc plate 8, so as to ensure the sealing effect.

[0035] The water cooler protection cylinder 7 is connected with the sealing block d, the water cooler protection cylinder 7 is close to the upper water cooling wall 9, the sealing block d is located between the adjacent two water pipes of the upper water cooling wall 9, the sealing block d is connected with the water pipe, and is used for plugging the gap between the upper water cooling wall 9 and the water cooler protection cylinder 7; since the water pipes in the water cooler 1 are stacked in layers, the sealing connection between the top water pipe and the inner wall of the water cooler protection cylinder 7 is achieved, and the sealing connection between the bottom of the water cooler protection cylinder 7 and the corresponding water pipe is achieved, so as to ensure the sealing effect.

[0036] Further, in order to protect the sealing packing 3 and prevent the sealing packing 3 from falling off, the sealing support ring c is arranged at the bottom of the sealing packing 3, the sealing support ring c is sleeved outside the water cooler protection cylinder 7, and the sealing support ring c is preferably fixedly connected with the water cooler protection cylinder 7, so as to reliably protect the bottom of the sealing packing 3.

[0037] The thickness of the sealing support ring c is less than the initial thickness of the sealing packing 3, so that a displacement gap is formed between the outer wall of the sealing support ring c and the inner wall of the support arc plate 8, and the expansion process of the upper water cooling wall 9 is stable and reliable.

[0038] Obviously, the above-described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should belong to the protection scope of the present application.

[0039] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "comprising," when used in this specification, specify the presence of stated features, steps, operations, devices, components and / or combinations thereof, but do not preclude the presence or addition of one or more other features, steps, operations, devices, components and / or combinations thereof.

[0040] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A semi-drum gasifier detachable seal structure, characterized in that, The sealing packing (3) is arranged between the water cooler (1) and the upper water cooling wall (9), the pressing plate connecting piece is connected with the water cooler (1), and the packing pressing plate (2) is arranged on the sealing packing (3). The packing pressing plate (2) is arranged on the top of the sealing packing (3), the sealing packing (3) is located on the outer side of the pressing plate connecting piece, and the packing pressing plate (2) is detachably connected with the pressing plate connecting piece through the detachable connecting piece (a).

2. The easily detachable seal structure of the semi-waste pot gasifier according to claim 1, wherein The packing pressing plate (2) comprises a side pressing ring (4) and an upper pressing ring (5), the side pressing ring (4) is sleeved on the outer side of the water cooler (1), the bottom of the side pressing ring (4) is in contact with the top of the sealing packing (3), and the top of the side pressing ring (4) extends above the pressing plate connecting piece, the upper pressing ring (5) is coaxially arranged on the water cooler (1), the side pressing ring (4) is sleeved on the outer side of the upper pressing ring (5), the upper pressing ring (5) is located directly above the pressing plate connecting piece, and the upper pressing ring (5) is detachably connected with the pressing plate connecting piece through the detachable connecting piece (a).

3. The easily detachable seal structure of the semi-waste pot gasifier according to claim 2, wherein The top of the upper pressing ring (5) is provided with a detachable lifting ring (b), and the detachable connecting piece (a) is located on the outer side of the detachable lifting ring (b).

4. The easily detachable seal structure of the semi-waste pot gasification furnace according to claim 3, wherein, The pressing plate connecting piece comprises a pressing plate connecting ring (6) and a water cooler protection cylinder (7), the water cooler protection cylinder (7) is sleeved on the outer side of the water cooler (1), the sealing packing (3) and the side pressing ring (4) are located between the upper water cooling wall (9) and the water cooler protection cylinder (7), the upper pressing ring (5) is located above the water cooler protection cylinder (7), the pressing plate connecting ring (6) is connected with the water cooler protection cylinder (7), the upper pressing ring (5) is located directly above the pressing plate connecting ring (6), and the upper pressing ring (5) is detachably connected with the pressing plate connecting ring (6) through the detachable connecting piece (a).

5. The easily detachable seal structure of the semi-waste pot gasification furnace according to claim 4, wherein, The semi-waste-pan gasifier detachable sealing structure further comprises a plurality of support arc plates (8), and the plurality of support arc plates (8) are circumferentially arranged around the axis of the upper water cooling wall (9); the sealing packing (3) and the side pressing ring (4) are located between the water cooler protection cylinder (7) and the corresponding support arc plate (8).

6. The easily detachable seal structure of the semi-waste pot gasification furnace according to claim 5, wherein, The support arc plate (8) is connected with the upper water cooling wall (9) through a sealing block (d).

7. The easily detachable seal structure of the semi-waste pot gasification furnace according to claim 6, wherein, The outer wall of the water cooler protection cylinder (7) is provided with a sealing support ring (c), the sealing support ring (c) is located between the water cooler protection cylinder (7) and the corresponding support arc plate (8), and the bottom of the sealing packing (3) is in contact with the top of the sealing support ring (c).

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