CN212458080U

CN212458080U - Multi-pipeline finned tube combination

Info

Publication number: CN212458080U
Application number: CN202020961590.5U
Authority: CN
Inventors: 梅华斌; 谢景权; 吴香菊
Original assignee: Wuxi Institute of Technology
Current assignee: Wuxi Institute of Technology
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2021-02-02
Anticipated expiration: 2030-05-29

Abstract

A multi-pipeline finned tube combination solves the problems that the prior multi-pipeline finned tube is easy to accumulate dust, the heat exchange tubes and heat exchange fins are easy to accumulate dust on the heating surfaces, the heat transfer is deteriorated, the exhaust gas temperature is raised, the dust accumulation can block the flue, a filter screen is partially installed on a device, the filter screen can accumulate dust after being used for a period of time, the air permeability of the filter screen is deteriorated, and the filter screen is not beneficial to use, and comprises a first shell, a bearing, a guide post and a filter screen, wherein side frames are embedded into the two sides of the first shell, a servo motor is installed at one end of each side frame, a second shell is connected to one side of the first shell, a water inlet tube is arranged in the middle of one side of the second shell, one end of the water inlet tube is connected with a shunt tube, a plurality of heat exchange tubes are evenly connected to one side of the shunt tube, and, the ventilation of the filter screen is ensured, and the blockage of the ventilation channel is avoided.

Description

Multi-pipeline finned tube combination

Technical Field

The utility model relates to a boiler tail gas waste heat treatment specifically is a combination of multi-channel finned tube.

Background

The multi-pipeline finned tube is a device which is arranged at the lower part of a flue at the tail part of a boiler and used for recovering waste heat of exhausted smoke, water fed by the boiler is heated into a heating surface of saturated water under the pressure of a steam drum, and the multi-pipeline finned tube absorbs heat of high-temperature smoke, so that the exhaust temperature of the smoke is reduced, energy is saved, and the efficiency is improved.

The existing multi-pipeline finned tube is easy to accumulate dust, after the dust is accumulated on the heating surfaces of the heat exchange tubes and the heat exchange fins, heat transfer is deteriorated, the temperature of exhaust smoke is increased, the dust accumulation can block a flue, a part of the devices are provided with filter screens, and the filter screens can accumulate dust after being used for a period of time, so that the air permeability of the filter screens is poor, and the use is not facilitated.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a multi-channel finned tube combination, the effectual easy deposition of present multi-channel finned tube of having solved, after heat exchange tube, heat transfer wing heating surface deposition, make the heat transfer worsen, exhaust gas temperature risees, and the deposition can make the flue block up, and the device of part installation filter screen, filter screen can the deposition after using a period for the air permeability of filter screen worsens, is unfavorable for the problem of use.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model comprises a first shell, a side frame, a servo motor, a second shell, a water inlet pipe, a shunt tube, heat exchange pipes, heat exchange fins, a flow combining pipe, a water outlet pipe, a moving block, a thread hole, a guide hole, an inner cavity, a lead screw, a bearing, a guide post and a filter screen, wherein the side frame is embedded and arranged at both sides of the first shell, the servo motor is arranged at one end of the side frame, the second shell is connected at one side of the first shell, the water inlet pipe is arranged at the middle part of one side of the second shell, the shunt tube is connected at one end of the water inlet pipe, a plurality of heat exchange pipes are evenly connected at one side of the shunt tube, the flow combining pipe is connected at one end of the heat exchange pipes, the water outlet pipe is connected at one side of the flow combining pipe, the filter screen is arranged in the first shell, the, the middle part of inner chamber is pegged graft and is had the lead screw, and the both sides of lead screw all are provided with the guide post.

Preferably, both ends of the screw rod are connected with the side frames through bearings.

Preferably, the surface of the screw rod is coated with grease.

Preferably, the filter screen is a member made of high-temperature resistant material.

Preferably, the surface of the heat exchange tube is uniformly provided with a plurality of heat exchange fins.

Preferably, one end of each of the water inlet pipe and the water outlet pipe is provided with a connecting flange.

Has the advantages that: when the utility model is used, the tail smoke channel of the boiler is connected with the first shell, so that when smoke passes through the inside of the first shell, the smoke is filtered by the installed filter screen, impurities in the smoke are filtered by the filter screen, the filtered smoke flows through the heat exchange tubes and the heat exchange fins arranged in the second shell, heat in the smoke is absorbed by the heat exchange tubes and the heat exchange fins and absorbed by the heat exchange tubes, thus absorbing heat in the smoke, saving energy and protecting environment, after the smoke is used for a period of time, when more impurities exist on the filter screen, the tail smoke channel of the boiler connected with the first shell is opened, the servo motor works to drive the screw rod to rotate, under the matching of the screw rod rotation and the thread hole on the movable block, the movable block moves outwards, the filter screen moves to drive the filter screen to move outwards, when the movable block moves to the outer side of the first shell, the movement is stopped, at the moment, the impurities on the filter screen can be, after the clearance is accomplished, the movable block drives the filter screen and resets, is connected the afterbody flue gas passageway of boiler with first casing again, can reuse, has guaranteed the ventilation performance of filter screen, is favorable to filtering the thermal recycle of flue gas, the utility model discloses novel structure thinks about ingeniously, can clear up the impurity of flue gas filter screen, has guaranteed the air permeability of filter screen, avoids leading to the passageway of ventilating to block.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a top view of the present invention;

FIG. 3 is a schematic view of the structure of the filter screen of the present invention;

FIG. 4 is a schematic view of the internal structure of the side frame of the present invention;

reference numbers in the figures: 1. a first housing; 2. a side frame; 3. a servo motor; 4. a second housing; 5. a water inlet pipe; 6. a shunt tube; 7. a heat exchange pipe; 8. heat exchange fins; 9. a confluence pipe; 10. a water outlet pipe; 11. a moving block; 12. a silk hole; 13. a guide hole; 14. an inner cavity; 15. a screw rod; 16. a bearing; 17. a guide post; 18. and (5) filtering by using a filter screen.

Detailed Description

The following describes the present invention in further detail with reference to the accompanying fig. 1-4.

In the first embodiment, as shown in fig. 1-4, the present invention provides a multi-channel finned tube assembly, which comprises a first casing 1, a side frame 2, a servo motor 3, a second casing 4, a water inlet tube 5, a shunt tube 6, heat exchange tubes 7, heat exchange fins 8, a flow combining tube 9, a water outlet tube 10, a moving block 11, a thread hole 12, a guide hole 13, an inner cavity 14, a lead screw 15, a bearing 16, a guide post 17 and a filter screen 18, wherein the side frame 2 is embedded in both sides of the first casing 1, the servo motor 3 is installed at one end of the side frame 2, the second casing 4 is connected to one side of the first casing 1, the water inlet tube 5 is installed in the middle of one side of the second casing 4, the shunt tube 6 is connected to one end of the water inlet tube 5, the heat exchange tubes 7 are uniformly connected to one side of the shunt tube 6, the flow combining tube 9 is connected to one end of the heat exchange tube 7, the middle parts of the two sides of the filter screen 18 are respectively provided with a movable block 11, the middle part of each movable block 11 is provided with a thread hole 12, the two sides of the middle part of each movable block 11 are respectively provided with a guide hole 13, the inner side of each side frame 2 is provided with an inner cavity 14, the middle part of each inner cavity 14 is spliced with a lead screw 15, and the two sides of each lead screw 15 are respectively provided with a guide column 17.

Both ends of the screw rod 15 are connected with the side frame 2 through bearings 16, so that the screw rod 15 can be conveniently installed and used.

The surface of the screw rod 15 is coated with lubricating grease, so that the screw rod 15 has better lubricating performance.

The filter screen 18 is a member made of a high temperature resistant material, so that the filter screen 18 has better high temperature resistance.

The surface of the heat exchange tube 7 is uniformly provided with a plurality of heat exchange fins 8, so that the heat exchange area is increased.

One end of the water inlet pipe 5 and one end of the water outlet pipe 10 are both provided with connecting flanges, so that the connection is convenient.

The working principle is as follows: when the utility model is used, the tail smoke channel of the boiler is connected with the first shell 1, so that when the smoke passes through the inside of the first shell 1, the smoke is filtered by the installed filter screen 18, impurities in the smoke are filtered by the filter screen 18, after the filtered smoke flows through the heat exchange tubes 7 and the heat exchange fins 8 installed in the second shell 4, heat in the smoke is absorbed by the heat exchange tubes 7 and the heat exchange fins 8 and absorbed by the heat exchange tubes 7, namely, the heat in the smoke can be absorbed, the energy is saved and the environment is protected, after the smoke is used for a period of time, when more impurities exist on the filter screen 18, the tail smoke channel of the boiler connected with the first shell 1 is opened, the servo motor 3 works to drive the screw rod 15 to rotate, the screw rod 15 is matched with the screw hole 12 on the movable block 11, so that the movable block 11 moves towards the outer side, the movable block 11 moves to drive the filter screen 18 to move towards the outer side, when the outer side of, stop to remove, can clear up the impurity on the filter screen 18 this moment, the clearance is accomplished the back, and movable block 11 drives filter screen 18 and resets, is connected the afterbody flue gas passageway of boiler and first casing 1 again, can reuse, has guaranteed the ventilation performance of filter screen, is favorable to filtering the thermal recycle of flue gas.

Has the advantages that: the utility model discloses novel structure thinks about ingeniously, can clear up the impurity of flue gas filter screen, has guaranteed the air permeability of filter screen, avoids leading to the passageway of ventilating to block.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a multi-channel finned tube combination, includes first casing (1), side frame (2), servo motor (3), second casing (4), inlet tube (5), shunt tubes (6), heat exchange tube (7), heat transfer wing (8), confluence pipe (9), outlet pipe (10), movable block (11), silk hole (12), guiding hole (13), inner chamber (14), lead screw (15), bearing (16), guide post (17) and filter screen (18), its characterized in that: the heat exchanger is characterized in that side frames (2) are embedded into two sides of a first shell (1), a servo motor (3) is installed at one end of each side frame (2), a second shell (4) is connected to one side of the first shell (1), a water inlet pipe (5) is arranged in the middle of one side of the second shell (4), a shunt pipe (6) is connected to one end of each water inlet pipe (5), a plurality of heat exchange pipes (7) are uniformly connected to one side of each shunt pipe (6), a confluence pipe (9) is connected to one end of each heat exchange pipe (7), a water outlet pipe (10) is connected to one side of each confluence pipe (9), a filter screen (18) is arranged inside the first shell (1), moving blocks (11) are arranged in the middle of two sides of each filter screen (18), threaded holes (12) are formed in the middle of each moving block (11), guide holes (13) are formed in two sides, the middle part of the inner cavity (14) is inserted with a screw rod (15), and two sides of the screw rod (15) are provided with guide columns (17).

2. A multi-manifold finned tube assembly according to claim 1 wherein the screw (15) is connected at both ends to the side frames (2) by bearings (16).

3. A multi-tube finned tube assembly according to claim 1 wherein the surface of the screw (15) is coated with grease.

4. A multi-tube finned tube assembly according to claim 1 wherein the screen (18) is a member of a high temperature resistant material.

5. A multi-channel finned tube assembly according to claim 1 wherein the heat exchange tubes (7) are provided with a plurality of heat exchange fins (8) uniformly on the surface thereof.

6. A multi-channel finned tube assembly according to claim 1 wherein one end of each of the inlet tube (5) and outlet tube (10) is provided with a connecting flange.