Deaerator for boiler

Abstract

The utility model relates to the technical field of boiler deoxidization, and discloses a deaerator for a boiler, which comprises a noise reduction gas hood and a gas outlet pipe, the deaerator is arranged outside a boiler body, and a communicating pipe is connected between the deaerator and the gas outlet pipe in a penetrating manner; by rotating the device box, the multiple sets of sleeves at the top of the device box at equal intervals can be alternately switched to the air outlet pipe and the noise reduction air hood, and the protruding blocks at the ends of the replaced sleeves can be connected with the protruding rings between the noise reduction air hood and the air outlet pipe respectively and can be sealed through the sealing connection rings in a threaded mode. In this way, when the sleeve between the gas outlet pipe and the noise reduction gas hood is disassembled, assembled, maintained and cleaned, multiple sets of standby sleeves in the device box can be rapidly replaced, the shutdown time of a boiler body and a deaerator is shortened, the multiple sets of replaced sleeves can be regularly maintained and cleaned on the inner wall in a centralized mode, and the disassembling, assembling and cleaning frequency of the inner wall of the sleeve can be relatively reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of boiler oxygen removal, in particular to the oxygen remover for boiler. BACKGROUND

[0002] The boiler oxygen remover is an indispensable equipment in the boiler system, and its main function is to remove dissolved oxygen and other gases in the feed water, thereby preventing corrosion of the boiler and its system and ensuring efficient and safe operation of the equipment.

[0003] For example, the patent authorized announcement No. CN219283298U discloses a biomass boiler oxygen remover steam exhaust noise reduction device, which belongs to the technical field of exhaust noise reduction. It aims to solve the problems of serious noise pollution caused by boiler gas and difficulty in disassembling and maintaining the noise reduction device. The boiler body includes an exhaust pipe.

[0004] In the above-mentioned comparative document, the installation assembly is provided, which can be easily disassembled by the staff, thereby making the cleaning and maintenance of the sleeve more convenient, improving the gas exhaust effect of the boiler body to a certain extent, and having a wide range of applications. Compared with the traditional installation method, the device is more practical.

[0005] However, when the above-mentioned boiler oxygen remover is used, the sleeve between the boiler body and the oxygen remover needs to be disassembled and cleaned. After the boiler and the oxygen remover are stopped, disassembled, maintained, and cleaned, they can be used again. The maintenance and cleaning time is relatively long, which greatly affects the normal use of the boiler. INVENTION CONTENTS

[0006] The utility model aims at providing a boiler oxygen remover, which can quickly replace the standby sleeve after the boiler and the oxygen remover are temporarily stopped, reduce the downtime of the boiler and the oxygen remover, and avoid the long-term impact on the normal work of the boiler and the oxygen remover.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a boiler oxygen remover, including a boiler body, a noise reduction hood, and an exhaust pipe. The boiler body is externally provided with an oxygen remover. A communication pipe is connected between the oxygen remover and the exhaust pipe. The noise reduction hood is integrally formed with a convex ring at the bottom inlet and the top outlet of the exhaust pipe, respectively. A device box is rotatably installed on one side of the boiler body. A fixed plate is fixedly installed on the side of the boiler body close to the device box. A positioning pin is movably and penetratively connected to the outside of the fixed plate. A compression spring is fixedly installed between the positioning pin and the fixed plate. A sleeve is detachably installed on the top circumference of the device box. Sealing covers are sealingly installed at both ends of the sleeve.

[0008] Preferably, the boiler body is provided with a device slot on one side, the device box is rotatably installed in the inner wall of the device slot, and the noise reduction air cover is fixedly installed between the boiler body and the support.

[0009] Preferably, anti-skid lines are equidistantly arranged on the outer circumference of the device box, and fixing slots are equidistantly arranged on the top of the device box.

[0010] Preferably, a plurality of groups of the sleeve pipes are equidistantly inserted and fixed in the inner walls of the corresponding fixing slots.

[0011] Preferably, the adjacent ends of the two groups of positioning pins respectively abut against the anti-skid lines on the outer part of the device box.

[0012] Preferably, the support at the bottom of the noise reduction air cover and the convex ring at the bottom of the air outlet pipe are respectively threadedly installed with sealing connecting rings between the convex blocks at the two ends of the sleeve pipes.

[0013] Compared with the prior art, the device has the following beneficial effects:

[0014] The device box is rotated, so that a plurality of groups of sleeve pipes equidistantly arranged on the top of the device box can be alternately converted to the air outlet pipe and the noise reduction air cover, the end convex blocks of the replaced sleeve pipes can be connected with the convex rings between the noise reduction air cover and the air outlet pipe, and the sleeve pipes can be threadedly sealed by the sealing connecting rings. Thus, when the sleeve pipes between the air outlet pipe and the noise reduction air cover are disassembled, maintained and cleaned, a plurality of groups of spare sleeve pipes in the device box can be quickly replaced, so that the downtime of the boiler body and the deaerator is reduced, and the plurality of groups of replaced sleeve pipes can be regularly maintained and cleaned, so that the disassembly and cleaning frequency of the inner wall of the sleeve pipes is relatively reduced.

[0015] The device box is rotated, so that a plurality of groups of sleeve pipes equidistantly arranged on the top of the device box can be alternately converted to the air outlet pipe and the noise reduction air cover, the end convex blocks of the replaced sleeve pipes can be connected with the convex rings between the noise reduction air cover and the air outlet pipe, and the sleeve pipes can be threadedly sealed by the sealing connecting rings. Thus, when the sleeve pipes between the air outlet pipe and the noise reduction air cover are disassembled, maintained and cleaned, a plurality of groups of spare sleeve pipes in the device box can be quickly replaced, so that the downtime of the boiler body and the deaerator is reduced, and the plurality of groups of replaced sleeve pipes can be regularly maintained and cleaned, so that the disassembly and cleaning frequency of the inner wall of the sleeve pipes is relatively reduced. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a three-dimensional structure schematic diagram of the device;

[0017] Figure 2 It is a side cross-sectional structure schematic diagram of the device;

[0018] Figure 3 It is Figure 1 It is a local enlarged structure schematic diagram of the device;

[0019] Figure 4 It is Figure 2The local enlarged structure schematic view of the middle B. In the figure: 1, boiler body; 2, deaerator; 3, noise reduction air cover; 4, device box; 5, gas outlet pipe; 6, fixed plate; 7, sleeve; 11, device groove; 21, communication pipe; 31, support; 32, convex ring; 41, anti-skid pattern; 42, fixed slot; 61, positioning pin; 62, compression spring; 71, sealing cover; 72, sealing adapter ring. DETAILED DESCRIPTION

[0020] 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. The described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0021] Please refer to Figures 1-4 The utility model provides a technical scheme: boiler deaerator, including boiler body 1, noise reduction air cover 3, gas outlet pipe 5, boiler body 1 outside is equipped with deaerator 2, noise reduction air cover 3 bottom import department and gas outlet pipe 5 top export department respectively integrative forming has convex ring 32, and deaerator 2 is connected with the communication pipe 21 between gas outlet pipe 5, and boiler body 1 one side rotatory installation has device box 4;

[0022] Boiler body 1 is fixedly installed with fixed plate 6 on the side close to device box 4, and the outer side of fixed plate 6 movably penetrates and is connected with positioning pin 61, and positioning pin 61 is fixedly installed with compression spring 62 between fixed plate 6, and the top circumference of device box 4 is detachably installed with sleeve 7 at equal intervals, and the both ends of sleeve 7 are detachably installed with sealing cover 71 respectively;

[0023] The gas generated by boiler body 1 can be introduced into noise reduction air cover 3 through gas outlet pipe 5, and deaerator 2 can deoxidize the gas passing through through communication pipe 21. The boiler deaerator 2 uses the prior art, which will not be described here.

[0024] By rotating device box 4, the multiple sets of sleeves 7 on the top of device box 4 can be alternately converted to gas outlet pipe 5 and noise reduction air cover 3. The end protrusions of the replacement sleeves 7 can be connected with the convex rings 32 between the noise reduction air cover 3 and the gas outlet pipe 5, and can be threadedly sealed by the sealing adapter rings 72. This allows the multiple sets of spare sleeves 7 in device box 4 to be quickly replaced when the sleeves 7 between the gas outlet pipe 5 and the noise reduction air cover 3 are disassembled, maintained and cleaned. This reduces the downtime of the boiler body 1 and the deaerator 2. In addition, the multiple sets of replaced sleeves 7 can be regularly maintained and cleaned, which can reduce the number of disassembly and cleaning of the inner wall of the sleeves 7.

[0025] Among them, the device groove 11 is formed on one side of the boiler body 1, and the device box 4 is rotatably installed in the inner wall of the device groove 11. The noise reduction air cover 3 is fixedly installed with the support 31 between the boiler body 1, and the noise reduction air cover 3 can be detachably installed on one side of the top of the boiler body 1 through the support 31.

[0026] Wherein, the device box 4 outside the circumference is provided with anti-skid lines 41 at equal intervals, the device box 4 top is provided with fixed slots 42 at equal intervals, a plurality of groups of sleeve pipes 7 are respectively inserted and fixed in the inner wall of the corresponding fixed slots 42, a plurality of groups of standby sleeve pipes 7 can be inserted and fixed in the corresponding fixed slots 42, after the replacement of a plurality of groups of standby sleeve pipes 7, the inner wall of the replaced sleeve pipes 7 can be collectively maintained and cleaned, which can relatively reduce the disassembly and cleaning frequency of the inner wall of the sleeve pipes 7.

[0027] Wherein, the two groups of positioning pins 61 are respectively in contact with the device box 4 outside the anti-skid lines 41, by pulling the positioning pin 61 on one side of the fixed plate 6, the positioning pin 61 is extruded by the compression spring 62, and the device box 4 outside the anti-skid lines 41 is moved away, so that the positioning of the device box 4 outside is released, so that the device box 4 can be rotated, and a plurality of groups of sleeve pipes 7 at equal intervals on the top of the device box 4 can be alternately converted to the air outlet pipe 5 and the noise reduction air cover 3, and the end protruding block of the replaced sleeve pipe 7 can be connected with the protruding ring 32 between the noise reduction air cover 3 and the air outlet pipe 5.

[0028] Wherein, the support 31 at the bottom of the noise reduction air cover 3 and the protruding ring 32 at the bottom of the air outlet pipe 5 are respectively provided with a sealing connection ring 72 between the protruding blocks at both ends of the sleeve pipe 7 through screwing, the standby sleeve pipe 7 can be replaced with the sleeve pipe 7 to be disassembled and cleaned in the inner wall between the noise reduction air cover 3 and the air outlet pipe 5, at this time, the sealing cover 71 at both ends of the standby sleeve pipe 7 can be removed, so that a plurality of groups of sleeve pipes 7 at equal intervals on the top of the device box 4 can be alternately converted to the air outlet pipe 5 and the noise reduction air cover 3.

[0029] Working principle: when the sleeve pipe 7 between the air outlet pipe 5 and the noise reduction air cover 3 is disassembled, maintained and cleaned, the standby sleeve pipe 7 can be replaced with the sleeve pipe 7 to be disassembled and cleaned in the inner wall between the noise reduction air cover 3 and the air outlet pipe 5 by rotating the device box 4, at this time, the sealing cover 71 at both ends of the standby sleeve pipe 7 can be removed, so that a plurality of groups of sleeve pipes 7 at equal intervals on the top of the device box 4 can be alternately converted to the air outlet pipe 5 and the noise reduction air cover 3, the end protruding block of the replaced sleeve pipe 7 can be connected with the protruding ring 32 between the noise reduction air cover 3 and the air outlet pipe 5, and can be screwed and sealed by the sealing connection ring 72, so that when the sleeve pipe 7 between the air outlet pipe 5 and the noise reduction air cover 3 is disassembled, maintained and cleaned, a plurality of groups of standby sleeve pipes 7 in the device box 4 can be quickly replaced, which reduces the downtime of the boiler body 1 and the deaerator 2, and a plurality of groups of replaced sleeve pipes 7 can be periodically maintained and cleaned in the inner wall, which can relatively reduce the disassembly and cleaning frequency of the inner wall of the sleeve pipe 7. Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes and modifications can be made to the embodiments without departing from the principles of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A boiler deaerator, comprising a noise-reducing hood (3) and an exhaust pipe (5), characterized in that: A deaerator (2) is provided on the outside of the boiler body (1). A connecting pipe (21) is connected between the deaerator (2) and the outlet pipe (5). A raised ring (32) is integrally formed at the bottom inlet of the noise reduction hood (3) and the top outlet of the outlet pipe (5). A device box (4) is rotatably installed on one side of the boiler body (1). A fixing plate (6) is fixedly installed on the side of the boiler body (1) near the device box (4). A positioning pin (61) is movably connected to the outside of the fixing plate (6). A compression spring (62) is fixedly installed between the positioning pin (61) and the fixing plate (6). A sleeve (7) is detachably installed at equal intervals on the top circumference of the device box (4). A sealing cap (71) is sealed at both ends of the sleeve (7).

2. The boiler deaerator according to claim 1, characterized in that: The boiler body (1) has a device slot (11) on one side, the device box (4) is rotatably installed in the inner wall of the device slot (11), and a bracket (31) is fixedly installed between the noise reduction hood (3) and the boiler body (1).

3. The boiler deaerator according to claim 2, characterized in that: The device box (4) has anti-slip textures (41) evenly spaced on the outer circumference, and the device box (4) has fixing slots (42) evenly spaced on the top.

4. The boiler deaerator according to claim 3, characterized in that: Multiple sets of sleeves (7) are inserted and fixed at equal intervals into the inner wall of the corresponding fixing slots (42).

5. The boiler deaerator according to claim 4, characterized in that: The adjacent ends of the two sets of positioning pins (61) respectively abut against the anti-slip texture (41) on the outside of the device box (4).

6. The boiler deaerator according to claim 5, characterized in that: The support (31) at the bottom of the noise reduction air cover (3) and the protruding ring (32) at the bottom of the air outlet pipe (5) are respectively connected to the protrusions at both ends of the sleeve (7) by threaded sealing connection rings (72).

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