Boiler economizer with dust removal function

By introducing flue gas guide, air blowing, and vibration structures into the boiler economizer, the problem of reduced heat exchange efficiency caused by flue gas dust accumulation was solved, and efficient waste heat recovery from flue gas was achieved.

CN223855669UActive Publication Date: 2026-01-30TANGSHAN CHENGCHENG BOILER EQUIPMENT CO LTD
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Patent Information

Application Number
CN202520484264.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-19
Publication Date
2026-01-30
Estimated Expiration
2035-03-19

AI Technical Summary

Technical Problem

After prolonged use, the accumulation of soot in existing boiler economizers affects heat exchange efficiency, resulting in poor waste heat recovery.

Method used

A boiler economizer with dust removal function was designed. It adopts a smoke guiding structure, an air blowing structure and a vibration structure. The smoke and dust attached to the outer surface of the economizer are cleaned by air blowing and vibration to ensure heat exchange efficiency.

Benefits of technology

It effectively cleans up soot and dust, improving the heat exchange efficiency of the economizer and the waste heat recovery effect of flue gas.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a boiler economizer with a dust removal function, which relates to the technical field of boiler economizers and comprises an economizer body, a smoke guide structure is mounted outside the economizer body, an air blowing structure is mounted inside the smoke guide structure, and a vibration structure is mounted outside the smoke guide structure. The smoke guiding structure comprises a smoke guiding supporting plate, two pieces of high-temperature-resistant cloth and two smoke guiding pipes. The smoke guide supporting plate is installed outside the economizer body, the two pieces of high-temperature-resistant cloth are installed on the upper wall face and the lower wall face of the smoke guide supporting plate correspondingly, and the two smoke guide pipes are installed at the outer ends of the two pieces of high-temperature-resistant cloth correspondingly. The coal economizer is subjected to dust removal treatment through air blowing and vibration, and smoke dust attached to the outer surface of the coal economizer can be effectively cleaned, so that the heat exchange efficiency of the coal economizer is guaranteed, and the flue gas waste heat recovery effect of the coal economizer is guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a boiler economizer technical field especially relates to a boiler economizer with dust removal function. BACKGROUND

[0002] The boiler is a kind of energy conversion equipment, its main function is to utilize fuel combustion or other heat energy to heat water or other working medium to certain temperature and pressure, steam, hot water or organic heat carrier are generated, the boiler is composed of two parts: pot, furnace;Pot refers to the container that holds water, furnace refers to the place of burning fuel. The hot water or steam produced by boiler can directly provide heat energy for industrial production and people's life.

[0003] The economizer is an energy-saving accessory of boiler, and the economizer is a device installed at the lower part of the tail flue of the boiler, mainly used for recovering waste heat in flue gas, improving the thermal efficiency of the boiler, reducing energy consumption and emission. The economizer transfers the heat of flue gas to boiler feed water by heat exchange, so as to increase the temperature of feed water, reduce the exhaust gas temperature and reduce heat loss.

[0004] Since the economizer is installed inside the flue, after a long time, a very thick dust will accumulate outside the economizer, which will affect the heat exchange efficiency of the economizer, thereby affecting the effect of flue gas waste heat recovery, and not achieving the expected energy-saving effect. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the shortcomings in the prior art and provides a boiler economizer with dust removal function.

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

[0007] A boiler economizer with dust removal function, comprising: an economizer body, a smoke guide structure is installed on the outside of the economizer body, a gas blowing structure is installed in the inside of the smoke guide structure, and a vibration structure is installed on the outside of the smoke guide structure;The smoke guide structure comprises: a smoke guide support plate, two high-temperature-resistant cloths and two smoke guide pipes;The smoke guide support plate is installed on the outside of the economizer body, two high-temperature-resistant cloths are respectively installed on the upper and lower walls of the smoke guide support plate, and two smoke guide pipes are respectively installed on the outer ends of the two high-temperature-resistant cloths.

[0008] The utility model is further provided as follows: the gas blowing structure comprises: a gas blowing main pipe, an electric control valve and a plurality of gas blowing nozzles;The gas blowing main pipe is installed in the inside of the smoke guide support plate, the electric control valve is installed at the inlet of the gas blowing main pipe, and a plurality of gas blowing nozzles are respectively installed on the upper wall of the gas blowing main pipe.

[0009] The utility model further sets up as the vibration structure includes: vibration motor and vibration eccentric block, vibration motor installs in the side wall surface of smoke guide support plate, vibration eccentric block installs in the drive end of vibration motor.

[0010] The utility model further sets up as the outside installation of smoke guide support plate has the shock absorbing seat.

[0011] The utility model further sets up as two the high temperature resistance cloth adopts fire -resistant fiber cloth to make.

[0012] The utility model further sets up as the air blowing main pipe and a plurality of air blowing spray head adopt high temperature resistant metal material to make.

[0013] The utility model has the advantages that: the utility model carries out dust removal treatment to the coal economizer through air blowing and vibration, can effectively clean the flue dust adhered to the outer surface of the coal economizer, thereby guaranteeing the heat exchange efficiency of the coal economizer and the effect of flue gas waste heat recovery of the coal economizer. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the first whole structure schematic diagram of the boiler coal economizer with dust removal function proposed in the utility model;

[0015] Figure 2 It is the second whole structure schematic diagram of the boiler coal economizer with dust removal function proposed in the utility model;

[0016] Figure 3 It is the first internal structure schematic diagram of the boiler coal economizer with dust removal function proposed in the utility model;

[0017] Figure 4 It is the second internal structure schematic diagram of the boiler coal economizer with dust removal function proposed in the utility model.

[0018] In the drawing: 1, coal economizer body;2, smoke guide support plate;3, high temperature resistance cloth;4, smoke guide pipe;5, air blowing main pipe;6, electric control valve;7, air blowing spray head;8, vibration motor;9, vibration eccentric block;10, shock absorbing seat. DETAILED DESCRIPTION

[0019] The technical scheme of the patent will be further explained in detail in combination with specific implementation manners.

[0020] The embodiments of the patent will be described in detail below, and the examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the patent, and cannot be understood as limiting the patent.

[0021] In the description of the present patent, it needs to be understood that the terms "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, which are only for the convenience of describing the present patent and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present patent.

[0022] In the description of the present patent, it needs to be understood that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "setting" should be understood broadly, for example, it can be fixedly connected, set, or detachably connected, set, or integrally connected, set. For those skilled in the art, the specific meaning of the above terms in the present patent can be understood according to the specific circumstances.

[0023] Reference Figure 1-4 A boiler economizer with dust removal function, comprising: an economizer body 1, a smoke guide structure is installed outside the economizer body 1, a gas blowing structure is installed inside the smoke guide structure, and a vibration structure is installed outside the smoke guide structure; the smoke guide structure comprises: a smoke guide support plate 2, two high-temperature-resistant cloth 3 and two smoke guide pipes 4; the smoke guide support plate 2 is installed outside the economizer body 1, the two high-temperature-resistant cloth 3 are respectively installed on the upper and lower walls of the smoke guide support plate 2, and the two smoke guide pipes 4 are respectively installed at the outer ends of the two high-temperature-resistant cloth 3; the two high-temperature-resistant cloth 3 are made of refractory fiber cloth.

[0024] Specifically, the gas blowing structure comprises: a gas blowing main pipe 5, an electric control valve 6 and a plurality of gas blowing nozzles 7; the gas blowing main pipe 5 is installed inside the smoke guide support plate 2, the electric control valve 6 is installed at the inlet of the gas blowing main pipe 5, and the plurality of gas blowing nozzles 7 are respectively installed on the upper wall of the gas blowing main pipe 5; the gas blowing main pipe 5 and the plurality of gas blowing nozzles 7 are made of high-temperature-resistant metal material.

[0025] Specifically, the vibration structure comprises: a vibration motor 8 and a vibration eccentric block 9; the vibration motor 8 is installed on the side wall of the smoke guide support plate 2, and the vibration eccentric block 9 is installed on the driving end of the vibration motor 8.

[0026] Specifically, a shock absorbing seat 10 is installed outside the smoke guide support plate 2.

[0027] Working principle: when using the utility model, first of all, through the shock absorbing seat 10, the smoke guide support plate 2 is fixed on the ground, then two smoke guide pipes 4 are connected with the boiler smoke exhaust port and the smoke exhaust pipe respectively, then the operator connects the water source needing heating with the economizer body 1 through the pipeline, can let the water flow through the economizer body 1, then the operator connects the external air source with the air blowing main pipe 5, then the operator connects the external alternating current power supply into the utility model, provides the energy for the electric appliance in the utility model, when the boiler exhausts smoke, will enter into the smoke guide support plate 2 through the smoke guide pipe 4 and the high temperature resistant cloth 3, the flue gas is fully contacted with the economizer body 1, heats the water flow in the economizer body 1, when the heating effect of the economizer body 1 is not good, can carry out dust removal, first of all, the electric control valve 6 is opened, the external air source is sprayed to the outside of the economizer body 1 through the air blowing main pipe 5 and a plurality of air blowing nozzles 7, simultaneously, the vibration motor 8 starts to rotate, the vibration motor 8 drives the vibration eccentric block 9 to vibrate, through the connection, can let the smoke guide support plate 2 vibrate together with the economizer body 1 installed in the smoke guide support plate 2, under the action of vibration and air blowing, the smoke dust adhered to the outside of the economizer body 1 can be cleaned, thereby guaranteeing the heat exchange efficiency of the economizer body 1.

[0028] The above is only the preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art in the technical range disclosed by the utility model, according to the technical scheme and the utility model concept of the utility model, carries out equivalent replacement or change, should be covered in the protection scope of the utility model.

Claims

1. A boiler economizer with dust removal function, comprising: The economizer body (1) is characterized in that the economizer body (1) is externally provided with a smoke guide structure, the smoke guide structure is internally provided with a gas blowing structure, and the smoke guide structure is externally provided with a vibration structure; the smoke guide structure comprises a smoke guide support plate (2), two high-temperature-resistant cloths (3) and two smoke guide pipes (4); the smoke guide support plate (2) is installed on the outside of the economizer body (1), the two high-temperature-resistant cloths (3) are respectively installed on the upper and lower walls of the smoke guide support plate (2), and the two smoke guide pipes (4) are respectively installed at the outer ends of the two high-temperature-resistant cloths (3).

2. The boiler economizer with dust removal function according to claim 1, characterized in that, The gas blowing structure comprises a gas blowing main pipe (5), an electric control valve (6) and a plurality of gas blowing nozzles (7); the gas blowing main pipe (5) is installed in the inside of the smoke guide support plate (2), the electric control valve (6) is installed at the inlet of the gas blowing main pipe (5), and the plurality of gas blowing nozzles (7) are respectively installed on the upper wall of the gas blowing main pipe (5).

3. The boiler economizer with dust removal function according to claim 1, characterized in that, The vibration structure comprises a vibration motor (8) and a vibration eccentric block (9); the vibration motor (8) is installed on the side wall of the smoke guide support plate (2), and the vibration eccentric block (9) is installed at the driving end of the vibration motor (8).

4. The boiler economizer with dust removal function according to claim 1, characterized in that, The smoke guide support plate (2) is externally provided with a shock-absorbing seat (10).

5. The boiler economizer with dust removal function according to claim 1, characterized in that, The two high-temperature-resistant cloths (3) are made of refractory fiber cloth.

6. The boiler economizer with dust removal function according to claim 2, characterized in that, The gas blowing main pipe (5) and the plurality of gas blowing nozzles (7) are made of high-temperature-resistant metal materials.