Boiler flue gas circulation structure device

By designing a detachable and replaceable activated carbon adsorption layer, the problems of decreased adsorption performance and cumbersome replacement of activated carbon filter layers are solved, enabling rapid replacement and efficient flue gas treatment.

CN223818417UActive Publication Date: 2026-01-23TAIYUAN BOILER GROUP
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Patent Information

Application Number
CN202520157594.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-23
Publication Date
2026-01-23
Estimated Expiration
2035-01-23

AI Technical Summary

Technical Problem

In existing technologies, the adsorption performance of activated carbon filter layers declines after prolonged use, and the replacement process is cumbersome, affecting flue gas treatment efficiency and operational convenience.

Method used

A boiler flue gas circulation structure device was designed, which adopts a detachable and replaceable activated carbon adsorption layer. The device is quickly disassembled and installed through bolt connection and snap-fit ​​structure, which simplifies the replacement process of activated carbon filter components.

Benefits of technology

It enables rapid replacement of the activated carbon filter layer, maintains the stability of adsorption performance, simplifies operation steps, and improves the efficiency and convenience of flue gas treatment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of boilers, and discloses a boiler flue gas circulation structure device which comprises an adsorption filtering chamber, an installation cover is installed on the adsorption filtering chamber through bolts, a sealing gasket is arranged on the inner side of the installation cover, and installation assemblies are fixedly installed at the top end and the bottom end of a cavity of the adsorption filtering chamber respectively. According to the boiler flue gas circulation structure device, in the pressing process, an activated carbon filter screen follows a mounting plate in the moving direction to enable a bearing plate to slide through the clamping relation between clamping holes and clamping columns, damping rods on the side face of the bearing plate contract in the sliding process, and then an activated carbon filter assembly can be rapidly disassembled; on the contrary, rapid installation can be conducted, the activated carbon filtering assembly can be regularly replaced according to the actual purification time in the whole operation process, the normal adsorption and purification performance of the activated carbon filtering assembly is guaranteed, meanwhile, the replacement difficulty is lowered, and operation is better facilitated.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a boiler technical field, concretely is boiler flue gas circulation structure device. BACKGROUND

[0002] Boiler is a kind of energy conversion equipment, it transfers the heat energy released by fuel combustion or other heat energy to water or other working medium, to produce the steam or hot water of specified parameter and quality, boiler will produce flue gas when burning, it is a kind of mixed gas, main components include carbon dioxide, nitrogen, water vapor and oxygen etc., also can contain sulfur dioxide, nitrogen oxides and other harmful substances, under prior art, the exhaust gas generated is collected by gas collecting hood, then is pretreated by cooling and dust removal, finally is deeply treated by activated carbon adsorption technology, after reaching environmental protection standard, is discharged into atmosphere through chimney.

[0003] However, the inventor found that the following problems still exist in the actual operation process: in the process of deep treatment by using activated carbon adsorption technology, the activated carbon filter layer will gradually decrease in filtering and adsorbing performance due to long-time contact with flue gas while adsorbing harmful substances, but the replacement process needs to close the exhaust gas input in the pipeline, and needs to ensure that there is no exhaust gas in the pipeline, so as to disassemble and replace, the replacement steps are complicated, and it is extremely inconvenient to operate.

[0004] Therefore, the utility model provides a boiler flue gas circulation structure device. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a boiler flue gas circulation structure device, which has the advantages of detachable replacement of activated carbon adsorption layer and fast replacement speed, and solves the problems proposed in the background art.

[0006] The utility model provides the following technical scheme: a boiler flue gas circulation structure device, comprising an adsorption filter chamber, the adsorption filter chamber is installed with installation cover through bolt, the inboard of installation cover is provided with sealing gasket, the top and bottom of adsorption filter chamber cavity are respectively fixedly installed with installation assembly, the installation assembly includes installation shell, bearing plate, clamping column and damping rod, the bottom of installation shell cavity is fixedly installed with damping rod, the top of damping rod is fixedly installed with bearing plate, the top of bearing plate is fixedly connected with clamping column, the surface of clamping column is provided with activated carbon filter assembly, the activated carbon filter assembly includes activated carbon filter screen, mounting plate and clamping hole, the top and bottom of activated carbon filter screen are respectively fixedly installed with mounting plate, the side surface of mounting plate is provided with clamping hole.

[0007] Preferably, the left side of the adsorption filter chamber is connected with a connecting valve one through a pipeline, the left side of the connecting valve one is connected with a flue gas transfer chamber through a pipeline, and the left side of the flue gas transfer chamber is connected with a connecting valve two through a pipeline.

[0008] Preferably, the inside of the clamping hole is attached to the surface of the clamping column, and the inside of the mounting shell is attached with a bearing plate.

[0009] Preferably, the right side of the adsorption filter chamber is connected with a connecting valve three through a pipeline, the right side of the connecting valve three is connected with a qualified flue gas waiting discharge chamber through a pipeline, and the right side of the qualified flue gas waiting discharge chamber is connected with a connecting valve four through a pipeline.

[0010] Preferably, the right side of the adsorption filter chamber is connected with a connecting valve three through a pipeline, the right side of the connecting valve three is connected with a qualified flue gas waiting discharge chamber through a pipeline, and the right side of the qualified flue gas waiting discharge chamber is connected with a connecting valve four through a pipeline.

[0011] Preferably, the top of the qualified flue gas waiting discharge chamber is provided with a connecting cover.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] The boiler flue gas circulation structure device, through the bolt connection relationship between the adsorption filter chamber and the mounting cover, can disassemble the mounting cover from the adsorption filter chamber, press the active carbon filter screen upward or downward after disassembly, the bearing plate in the moving direction of the active carbon filter screen makes the bearing plate slide through the clamping relationship of the clamping hole and the clamping column in the process of pressing, and the damping rod on the side of the bearing plate shrinks in the process of sliding, so that the active carbon filter assembly can be quickly disassembled, and vice versa, the active carbon filter assembly can be quickly installed, the active carbon filter assembly can be replaced regularly according to the actual purification time in the whole operation process, the normal adsorption and purification performance of the active carbon filter assembly is guaranteed, the difficulty of replacement is simplified, and operation is more convenient. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a whole structure schematic view of the utility model device;

[0015] Figure 2 It is an internal structure schematic view of the adsorption filter chamber of the utility model;

[0016] Figure 3 It is a structure schematic view of the active carbon filter assembly of the utility model;

[0017] Figure 4 It is a structure schematic view of the mounting assembly of the utility model;

[0018] Figure 5 It is the utility modelFigure 4 A schematic diagram of the internal structure.

[0019] In the diagram: 1. Adsorption filtration chamber; 2. Mounting cover; 3. Connecting valve one; 4. Flue gas transfer chamber; 5. Connecting valve two; 6. Connecting branch pipe; 7. Connecting valve three; 8. Qualified flue gas waiting chamber; 9. Connecting cover; 10. Connecting valve four; 11. Mounting assembly; 1101. Mounting shell; 1102. Support plate; 1103. Locking column; 1104. Damping rod; 12. Activated carbon filter assembly; 1201. Activated carbon filter screen; 1202. Mounting plate; 1203. Locking hole. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Please see Figures 1-5The utility model provides a boiler flue gas circulation structure device, including adsorption filter chamber 1, adsorption filter chamber 1 is installed with mounting lid 2 through bolt, the inboard of mounting lid 2 is provided with sealing gasket, the top and bottom of adsorption filter chamber 1 cavity are fixedly installed with mounting assembly 11 respectively, and mounting assembly 11 includes installation shell 1101, bearing plate 1102, clamping column 1103 and damping rod 1104, the bottom of installation shell 1101 cavity is fixedly installed with damping rod 1104, the top of damping rod 1104 is fixedly installed with bearing plate 1102, the top of bearing plate 1102 is fixedly connected with clamping column 1103, the surface of clamping column 1103 is provided with active carbon filter assembly 12, and active carbon filter assembly 12 includes active carbon filter screen 1201, mounting plate 1202 and clamping hole 1203, and the top and bottom of active carbon filter screen 1201 are fixedly installed with mounting plate 1202 respectively, and the side of mounting plate 1202 is provided with clamping hole 1203, and the inside of clamping hole 1203 is attached with the surface of clamping column 1103, and the inside of installation shell 1101 is attached with bearing plate 1102, through the bolt connection between adsorption filter chamber 1 and mounting lid 2, can be mounted lid 2 is detached from adsorption filter chamber 1, after dismounting, utilizes control active carbon filter screen 1201 and presses upwards or downwards, in the process of pressing, active carbon filter screen 1201 follows the moving direction mounting plate 1202 and is through the clamping of clamping hole 1203 and clamping column 1103 The engagement relationship of active carbon filter screen 1201 makes bearing plate 1102 slide, and in the process of sliding, the damping rod 1104 of bearing plate 1102 side contracts, thereby can quickly dismount active carbon filter assembly 12, and vice versa can be quickly installed, during the whole operation process, can according to actual purification time regularly replace active carbon filter assembly 12, guarantee the normal adsorption and purification performance of active carbon filter assembly 12, simplify the difficulty of replacement simultaneously, more conducive to operation.

[0022] Please refer to Figure 1The left side of the adsorption filter chamber 1 is connected with the connecting valve one 3 through the pipeline, the left side of the connecting valve one 3 is connected with the flue gas transfer chamber 4 through the pipeline, the left side of the flue gas transfer chamber 4 is connected with the connecting valve two 5 through the pipeline, the right side of the adsorption filter chamber 1 is connected with the connecting valve three 7 through the pipeline, the right side of the connecting valve three 7 is connected with the qualified flue gas waiting chamber 8 through the pipeline, the right side of the qualified flue gas waiting chamber 8 is connected with the connecting valve four 10 through the pipeline, the top of the flue gas transfer chamber 4 is fixedly connected with the connecting branch pipe 6, the other end of the connecting branch pipe 6 is connected with the pipeline on the right side of the adsorption filter chamber 1. The top of the qualified flue gas waiting chamber 8 is provided with the connecting cover 9, the collected flue gas is made to enter into the inside of the flue gas transfer chamber 4 through the pipeline by opening the connecting valve two 5 and the connecting valve one 3, then the connecting valve two 5 is closed, the flue gas enters into the inside of the adsorption filter chamber 1 through the pipeline to be adsorbed and purified, the flue gas after adsorption and purification is discharged through the pipeline on the right side of the adsorption filter chamber 1, and in the process of discharging, the connecting valve three 7 is in the closed state, and then the connecting branch pipe 6 extended by the pipeline is circulated and transported into the inside of the flue gas transfer chamber 4, thereby the effect of cyclic adsorption and purification is achieved, the single adsorption and purification time is set to 4 hours, after 4 hours, the flue gas after purification is discharged into the inside of the qualified flue gas waiting chamber 8 by opening the connecting valve three 7, the probe of the flue gas analyzer can be inserted into the detection by the connecting cover 9 on the top of the qualified flue gas waiting chamber 8, after meeting the emission standard, the flue gas is discharged by opening the connecting valve four 10, the flue gas to be treated can be effectively circulated in the whole operation process, and the flue gas adsorption and purification is ensured to be sufficient.

[0023] Working principle: Through the bolt connection between the adsorption filter chamber 1 and the mounting cover 2, the mounting cover 2 can be removed from the adsorption filter chamber 1. After removal, the activated carbon filter screen 1201 is pressed up or down. During the pressing process, the activated carbon filter screen 1201 follows the direction of movement. The mounting plate 1202, through the engagement hole 1203 and the engagement column 1103, causes the support plate 1102 to slide. During the sliding process, the damping rod 1104 on the side of the support plate 1102 retracts, thereby enabling quick removal of the activated carbon filter assembly 12 and vice versa. During the entire operation, the activated carbon filter assembly 12 can be replaced periodically according to the actual purification time. By opening the connecting valve 25 and the connecting valve 360, the activated carbon filter assembly 12 can be removed. Connecting valve 3 allows the collected flue gas to enter the flue gas transfer chamber 4 through the pipeline. Then, connecting valve 5 is closed, and the flue gas enters the adsorption filter chamber 1 through the pipeline for adsorption and purification. The purified flue gas is discharged through the pipeline on the right side of the adsorption filter chamber 1. During the discharge process, since connecting valve 7 is closed, the connecting branch pipe 6 extends the pipeline and circulates back into the flue gas transfer chamber 4, thus achieving the effect of cyclic adsorption and purification. The adsorption and purification time for a single cycle is set to 4 hours. After 4 hours, connecting valve 7 is opened to discharge the purified flue gas into the qualified flue gas waiting chamber 8. The probe of the flue gas analyzer can be inserted into the connecting cover 9 on the top of the qualified flue gas waiting chamber 8 for detection. After meeting the emission standards, the flue gas is discharged by opening connecting valve 10.

[0024] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0025] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A boiler flue gas recirculation structure device, characterized in that, The system includes an adsorption filter chamber (1), which is bolted to a mounting cover (2). A sealing gasket is provided on the inner side of the mounting cover (2). An installation assembly (11) is fixedly installed at the top and bottom of the chamber. The installation assembly (11) includes a mounting shell (1101), a support plate (1102), a locking post (1103), and a damping rod (1104). The damping rod (1104) is fixedly installed at the bottom of the mounting shell (1101). The top of the damping rod (1104)... A support plate (1102) is fixedly installed, and a locking column (1103) is fixedly connected to the top of the support plate (1102). An activated carbon filter assembly (12) is provided on the surface of the locking column (1103). The activated carbon filter assembly (12) includes an activated carbon filter screen (1201), a mounting plate (1202) and a locking hole (1203). The top and bottom of the activated carbon filter screen (1201) are respectively fixedly installed with the mounting plate (1202), and the side of the mounting plate (1202) is provided with a locking hole (1203).

2. The boiler flue gas recirculation structure device according to claim 1, characterized in that: The left side of the adsorption filter chamber (1) is connected to a connecting valve one (3) via a pipeline, the left side of the connecting valve one (3) is connected to a flue gas transfer chamber (4) via a pipeline, and the left side of the flue gas transfer chamber (4) is connected to a connecting valve two (5) via a pipeline.

3. The boiler flue gas recirculation structure device according to claim 1, characterized in that: The interior of the engagement hole (1203) is in contact with the surface of the engagement post (1103), and the interior of the mounting shell (1101) is in contact with a support plate (1102).

4. The boiler flue gas recirculation structure device according to claim 1, characterized in that: The right side of the adsorption filter chamber (1) is connected to a connecting valve three (7) via a pipeline, the right side of the connecting valve three (7) is connected to a qualified flue gas waiting chamber (8) via a pipeline, and the right side of the qualified flue gas waiting chamber (8) is connected to a connecting valve four (10) via a pipeline.

5. The boiler flue gas recirculation structure device according to claim 2, characterized in that: The top of the flue gas transfer chamber (4) is fixedly connected to a connecting branch pipe (6), and the other end of the connecting branch pipe (6) is connected to the pipeline on the right side of the adsorption filter chamber (1).

6. The boiler flue gas recirculation structure device according to claim 4, characterized in that: The top of the qualified flue gas waiting chamber (8) is provided with a connecting cover (9).