Fabricated anti-blocking coal economizer

Abstract

The utility model discloses an assembly type anti-blocking coal economizer, which belongs to the technical field of coal economizers and comprises a coal economizer box body, a circulating pipeline, a first connecting plate and a second connecting plate, the first connecting plate and the second connecting plate are respectively arranged above and below the coal economizer box body, and the circulating pipeline penetrates through the coal economizer box body. And pipeline connecting flanges are arranged at the two ends of the circulating pipeline. The first connecting plate or the second connecting plate is connected with a filter pipe connecting plate through a bolt, a ceramic filter pipe is arranged on the filter pipe connecting plate, and hanging rods are arranged on the periphery of the ceramic filter pipe. The economizer box bodies are independently arranged or placed in an overlapped mode, the number of the economizer box bodies placed in the overlapped mode is at least two, and the two economizer box bodies penetrate through the first connecting plate and the second connecting plate through bolts to be fixed. By means of the structure, the problems that an existing device is difficult to adapt to various scenes, and internal pipelines are prone to being blocked are solved, the energy utilization rate is increased, and green production is promoted.

Description

Technical Field

[0001] The utility model relates to the technical field of economizers, in particular to an assembled anti-blocking economizer. Background Art

[0002] As a flue gas waste heat recovery device, an economizer can recover heat from boiler exhaust, transferring some of the waste heat from the flue gas to the feedwater, thereby improving the boiler's thermal efficiency. According to statistics, installing an economizer can increase boiler thermal efficiency by 3%-12%, representing a significant energy-saving benefit for businesses. Furthermore, by lowering flue gas temperature, economizers reduce emissions of atmospheric pollutants such as nitrogen oxides and sulfur dioxide, helping businesses fulfill their social responsibilities and protect the environment.

[0003] However, existing economizers are difficult to adapt to various application scenarios, and after the flue gas enters, it is easy to cause blockage in the channels between the internal fins of the economizer, thereby reducing the heat exchange efficiency.

[0004] Therefore, it is necessary to provide an assembled anti-blocking economizer to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide an assembled anti-blocking economizer to solve the problem that the existing device is difficult to adapt to various scenarios and the internal pipelines are easily blocked, thereby improving energy utilization and promoting green production.

[0006] To achieve the above-mentioned objectives, the utility model provides an assembled anti-blocking economizer, including an economizer box and a circulation pipe, a first connecting plate and a second connecting plate are respectively arranged above and below the economizer box, the circulation pipe passes through the economizer box, and pipe connection flanges are provided at both ends of the circulation pipe.

[0007] Preferably, the first connecting plate or the second connecting plate is connected to the filter tube connecting plate by bolts, a ceramic filter tube is provided on the filter tube connecting plate, and a suspension rod is provided around the ceramic filter tube.

[0008] Preferably, the economizer box is provided separately.

[0009] Preferably, the economizer boxes are placed in an overlapping manner, and there are at least two economizer boxes placed in an overlapping manner, and the two economizer boxes are fixed by bolts passing through a first connecting plate and a second connecting plate.

[0010] Preferably, the ceramic filter tube clamp is connected to a flue.

[0011] Preferably, fins are evenly distributed on the circulation pipe.

[0012] Therefore, the present invention adopts the above-mentioned assembled anti-blocking economizer, which has the following beneficial effects:

[0013] 1. The utility model can realize the connection of ceramic filter tubes and the series connection of multiple economizer boxes by providing the first connecting plate and the second connecting plate, thereby adapting to various application scenarios. It can be placed alone or stacked to form a long heat exchange track.

[0014] 2. The utility model provides flanges at the ends of the circulation pipes, so the connection between the circulation pipes and the elbow pipes can form a variety of circulation modes, and the fins on the circulation pipes can increase the heat exchange efficiency;

[0015] 3. The utility model is provided with a ceramic filter tube at the inlet of the economizer box, which can perform preliminary filtration on the flue gas entering the economizer and block the large particles that cause blockage. Moreover, the filter tube is made of ceramic material, is resistant to high temperature and has a long service life.

[0016] The technical solution of the present invention is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a structural diagram of an assembled anti-blocking economizer of the utility model;

[0018] Figure 2 This is a structural diagram of an assembled anti-blocking economizer of the utility model;

[0019] Notes

[0020] 1. Economizer housing; 2. Pipe connection flange; 3. First connecting plate; 4. Flue; 5. Clamp; 6. Bolt; 7. Ceramic filter tube; 8. Filter tube connecting plate; 9. Hanger; 10. Second connecting plate; 11. Circulation pipe; 12. Fin. DETAILED DESCRIPTION

[0021] The technical solution of the present utility model is further described below through the accompanying drawings and embodiments.

[0022] Unless otherwise defined, the technical or scientific terms used in this utility model shall have the usual meanings understood by persons of ordinary skill in the field to which this utility model belongs. The words "first", "second" and similar terms used in this utility model do not indicate any order, quantity or importance, but are only used to distinguish different components. Words such as "include" or "comprise" mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. Words such as "connect" or "connected" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may also change accordingly.

[0023] The specific connection methods of each part all adopt conventional means such as mature bolts, rivets, welding, etc. in the existing technology. The machinery, parts and equipment all adopt conventional models in the existing technology, and the circuit connection adopts the conventional connection method in the existing technology, which will not be described in detail here.

[0024] As the instruction manual Figure 1 As shown, the utility model discloses an assembled anti-blocking economizer, including an economizer box body 1 and a circulation pipe 11, a first connecting plate 3 and a second connecting plate 10 are respectively arranged above and below the economizer box body 1, and the circulation pipe 11 passes through the economizer box body 1. Pipe connecting flanges 2 are provided at both ends of the circulation pipe 11. The pipe connecting flanges 2 can be flange-connected with elbow pipes. The arrangement of the elbow pipes is changed according to production requirements, so the connection method between the circulation pipes 11 changes accordingly, which adapts to various production scenarios.

[0025] The first connecting plate 3 or the second connecting plate 10 is connected to the filter tube connecting plate 8 by bolts 6. A high-temperature resistant ceramic filter tube 7 is provided on the filter tube connecting plate 8. The ceramic filter tube 7 will perform preliminary filtration on the flue gas entering the economizer box 1 and block large particles that may cause blockage. A hoisting rod 9 is provided around the ceramic filter tube 7 to facilitate the transportation of the economizer box 1.

[0026] Fins 12 are evenly arranged on the circulation pipe 11 to facilitate heat exchange between the liquid and the flue gas in the circulation pipe 11 , and the clamp 5 of the ceramic filter tube 7 is connected to the flue 4 .

[0027] Example 1

[0028] When the flue gas flow rate is low, the economizer housing 1 is installed separately. The first connecting plate 3 of the economizer housing 1 is connected to the filter tube connecting plate 8 by bolts 6. The ceramic filter tube 7 is connected to the flue 4 by clamps 5. The circulation pipe 11 is connected to the elbow pipe using the pipe connection flange 2, thereby achieving heat exchange between the flue gas and the liquid in the circulation pipe 11. The flue gas after heat exchange is discharged from the lower part of the economizer housing 1.

[0029] Example 2

[0030] When the flue gas flow rate is large, the economizer housings 1 are placed in an overlapping manner. The economizer housings 1 include at least two economizer housings 1. The two adjacent economizer housings 1 are connected by bolts 6 via adjacent first and second connecting plates 3 and 10. The first connecting plate 3 of the first economizer housing 1 is bolted 6 to the filter tube connecting plate 8. The ceramic filter tube 7 is connected to the flue 4 by a clamp 5. The circulation pipe 11 is connected to the elbow pipe using the pipe connection flange 2, thereby achieving heat exchange between the flue gas and the liquid in the circulation pipe 11. The flue gas that has completed heat exchange in the first economizer housing 1 is discharged into the next economizer housing 1.

[0031] Therefore, the utility model adopts an assembled anti-blocking economizer with the above structure, which solves the problem that the existing device is difficult to adapt to various scenarios and the internal pipelines are easily blocked, improves energy utilization and promotes green production.

[0032] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that they can still modify or replace the technical solution of the present invention with equivalents, and these modifications or equivalent replacements cannot cause the modified technical solution to deviate from the spirit and scope of the technical solution of the present invention.

Claims

1. An assembled anti-blocking economizer, characterized by: It includes an economizer box body and a circulation pipe, a first connecting plate and a second connecting plate are respectively arranged above and below the economizer box body, the circulation pipe passes through the economizer box body, and both ends of the circulation pipe are provided with pipe connection flanges.

2. The assembled anti-blocking economizer according to claim 1, characterized in that: The first connecting plate or the second connecting plate is connected to the filter tube connecting plate by bolts. A ceramic filter tube is provided on the filter tube connecting plate, and a suspension rod is provided around the ceramic filter tube.

3. The assembled anti-blocking economizer according to claim 1, characterized in that: The economizer box is provided separately.

4. The assembled anti-blocking economizer according to claim 1, characterized in that: The economizer boxes are placed overlappingly, and the overlapping economizer boxes include at least two economizer boxes. The two economizer boxes are fixed by bolts passing through a first connecting plate and a second connecting plate.

5. The assembled anti-blocking economizer according to claim 2, characterized in that: The ceramic filter tube clamp is connected with a flue.

6. The assembled anti-blocking economizer according to claim 4, characterized in that: Fins are evenly distributed on the circulation pipe.

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