CN220931810U

CN220931810U - Self-cleaning waste gas heat exchange device

Info

Publication number: CN220931810U
Application number: CN202322499743.5U
Authority: CN
Inventors: 肖园; 郭银利; 颜大印
Original assignee: Wuhan Juchi Environmental Protection Technology Co ltd
Current assignee: Wuhan Juchi Environmental Protection Technology Co ltd
Priority date: 2023-09-13
Filing date: 2023-09-13
Publication date: 2024-05-10
Anticipated expiration: 2033-09-13

Abstract

The utility model relates to a self-cleaning waste gas heat exchange device, comprising: the main frame body is internally provided with a pipeline and heat exchange fins; the transmission rings are arranged outside the pipeline, and two adjacent transmission rings are contacted; the cleaning frame is arranged between the transmission rings and is connected with the transmission rings through nuts; the transmission mechanism is arranged in the main frame body and is contacted with the transmission ring. According to the utility model, by arranging the transmission mechanism, the transmission ring and other parts, the transmission mechanism can control the movement condition of the transmission ring through the matching relationship between the transmission mechanism and the transmission ring, so that the transmission ring can move under the drive of the transmission mechanism; through the setting to the clean frame, realized the effect of connecting the drive ring for the drive ring can drive clean frame together motion when taking the center pin of violently managing as the centre of a circle to do circular motion, and realized the effect of scraping off heat exchange fin surface dust.

Description

Self-cleaning waste gas heat exchange device

Technical Field

The utility model relates to the technical field of heat exchangers, in particular to a self-cleaning waste gas heat exchange device.

Background

The heat exchanger is a device for transferring part of heat of hot fluid to cold fluid, also called heat exchanger, which plays an important role in chemical industry, petroleum, power, food and other industrial production, and can be used as a heater, a cooler, a condenser, an evaporator, a reboiler and the like in chemical industry.

The plate heat exchanger is a very common heat exchanger, and consists of a shell, a pipeline, heat exchange fins and the like, when waste heat of waste gas is recycled, the waste gas enters the heat exchanger and then contacts with the heat exchange fins, and the waste gas and liquid in the pipeline are subjected to full heat exchange, so that the aim of heat recovery is fulfilled;

The waste heat which is not completely utilized and solid particles such as carbon particles and dust which are not completely combusted exist in the waste gas, compared with heat exchangers used in other positions, the heat exchanger used in the waste gas waste heat recovery system has more complex use environment, more solid impurities remain in the waste gas, and more solid impurities adhere to the surfaces of heat exchange fins after long-time waste heat recovery, so that the heat exchange efficiency of the heat exchanger is reduced;

The existing heat exchanger is shut down after heat exchange efficiency is reduced by stopping the waste gas waste heat recovery system, and then cleaning the heat exchanger in a manual disassembly and cleaning mode, so that the cleaning efficiency is low, the labor cost is high, the whole waste gas waste heat recovery system is required to be shut down, the shutdown of the waste gas waste heat recovery system is not only used for recovering waste gas waste heat, but also used for conveying only one sleeve pipe except for a system provided with two waste gas conveying pipelines, and therefore, the stop of the waste gas waste heat recovery system is also used for stopping the waste gas emission treatment system, and further, the whole waste gas treatment process is required to stop working, so that the problem of high cleaning cost is caused;

therefore, a self-cleaning exhaust gas heat exchange device is provided.

Disclosure of utility model

Based on the expression, the utility model provides a self-cleaning waste gas heat exchange device, which is used for solving the problems of low efficiency and high cleaning cost of manual cleaning of a heat exchanger.

The technical scheme for solving the technical problems is as follows: a self-cleaning exhaust gas heat exchange device comprising:

the main frame body is internally provided with a pipeline and heat exchange fins;

The transmission rings are arranged outside the pipeline, and two adjacent transmission rings are contacted;

The cleaning frame is arranged between the transmission rings and is connected with the transmission rings through nuts;

The transmission mechanism is arranged in the main frame body and is contacted with the transmission ring.

On the basis of the technical scheme, the utility model can be improved as follows.

Further, the pipeline comprises a vertical pipe and a transverse pipe, the vertical pipe is arranged at two ends of the main frame body, the transverse pipe is arranged between the vertical pipes, and heat exchange fins are arranged outside the transverse pipe.

Further, the heat exchange fins are round metal sheets, and the heat exchange fins are distributed at equal intervals.

Further, the transmission ring comprises a ring block, the ring block is arranged outside the transverse tube, a cover plate is arranged on one side, away from the cleaning frame, of the ring block through a bolt, a roller is arranged between the ring block and the cover plate, and the roller is arranged outside the bolt.

Further, the ring block comprises a main ring body, one side, away from the cover plate, of the main ring body is provided with a mounting groove and a limiting hole, and a threaded hole is formed in the mounting groove.

Further, the cleaning frame comprises an inner rod extending to the inside of the limiting hole, threaded columns are arranged at two ends of the inner rod, the threaded columns penetrate through the cover plate and are connected with the cover plate through nuts, an outer rod is arranged outside the inner rod, and a cleaning block is arranged on one side, close to the pipeline, of the outer rod.

Furthermore, the cleaning blocks are distributed at equal intervals and are distributed in a crossing way with the heat exchange fins.

Further, the transmission mechanism comprises a motor, a rotating shaft is arranged at an output shaft of the motor, a transmission wheel is arranged outside the rotating shaft, and the transmission wheel is in contact with the transmission ring.

Compared with the prior art, the technical scheme of the application has the following beneficial technical effects:

1. According to the utility model, by arranging the transmission mechanism, the transmission ring and other parts, the transmission mechanism can control the movement condition of the transmission ring through the matching relationship between the transmission mechanism and the transmission ring, so that the transmission ring can move under the drive of the transmission mechanism, and the effect that the transmission ring performs circular movement by taking the central shaft of the transverse tube as the circle center is realized;

2. Through the setting to the clean frame, realized the effect of connecting the drive ring for the drive ring can drive clean frame together motion when taking the center pin of violently managing as the centre of a circle to do circular motion, and realized the effect of scraping off heat exchange fin surface dust.

Drawings

FIG. 1 is a schematic diagram of a self-cleaning exhaust gas heat exchange device according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a connection structure of a drive ring and a cleaning frame in an embodiment of the present utility model;

FIG. 3 is a schematic diagram of the explosive structure of FIG. 2;

FIG. 4 is an enlarged schematic view of the structure shown at A in FIG. 3;

FIG. 5 is a schematic view of a connection structure of a ring block according to an embodiment of the present utility model;

in the drawings, the list of components represented by the various numbers is as follows:

1. A main frame body; 2. a pipe; 3. heat exchanging fins; 4. a drive ring; 41. a ring block; 411. a main ring body; 412. a mounting groove; 413. a threaded hole; 414. limiting the aperture; 42. a cover plate; 43. a roller; 44. a bolt; 5. a cleaning rack; 51. an inner rod; 52. an outer rod; 53. a cleaning block; 54. a threaded column; 6. a motor; 7. a rotating shaft; 8. and a driving wheel.

Detailed Description

In order that the application may be readily understood, a more complete description of the application will be rendered by reference to the appended drawings. Embodiments of the application are illustrated in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," and/or the like, specify the presence of stated features, integers, steps, operations, elements, components, or groups thereof, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or groups thereof.

Referring to fig. 1, 2 and 3, a self-cleaning exhaust gas heat exchange device is provided, which is characterized by comprising:

The heat exchange device comprises a main frame body 1, wherein a pipeline 2 and heat exchange fins 3 are arranged in the main frame body, the pipeline 2 comprises vertical pipes and transverse pipes, the vertical pipes are arranged at two ends of the main frame body 1, the transverse pipes are arranged between the vertical pipes, the heat exchange fins 3 are arranged outside the transverse pipes, and the pipeline 2 and the heat exchange fins 3 are of a structure in the prior art;

The driving ring 4 is arranged outside the pipeline 2, two adjacent driving rings 4 are contacted, the driving ring 4 comprises a ring block 41, the ring block 41 is arranged outside the transverse pipe, a cover plate 42 is arranged on one side, far away from the cleaning frame 5, of the ring block 41 through a bolt 44, a roller 43 is arranged between the ring block 41 and the cover plate 42, the roller 43 is arranged outside the bolt 44, the bolt 44 plays a role of connecting the ring block 41, the roller 43 and the cover plate 42, and the roller 43 enables the driving ring 4 to move more smoothly by taking a central shaft of a vertical pipe as a center of a circle;

The ring block 41 comprises a main ring body 411, a mounting groove 412 and a limiting hole 414 are formed in one side, far away from the cover plate 42, of the main ring body 411, a threaded hole 413 is formed in the mounting groove 412, and the limiting hole 414 is a prismatic hole and plays a limiting role on the cleaning frame 5, so that the cleaning frame can rotate along with the driving ring 4.

As shown in fig. 2 and 3, a cleaning frame 5 is disposed between the driving rings 4 and is connected with the driving rings 4 by nuts, the cleaning frame 5 includes an inner rod 51 extending into the limiting hole 414, the inner rod 51 is prismatic and is adapted to the limiting hole 414, both ends of the inner rod 51 are provided with threaded columns 54, the threaded columns 54 penetrate through the cover plate 42 and are connected with the cover plate 42 by nuts, an outer rod 52 is disposed outside the inner rod 51, a prismatic through hole is disposed inside the outer rod 52 and is adapted to the inner rod 51, and a cleaning block 53 is disposed on one side of the outer rod 52 close to the pipe 2;

The cleaning blocks 53 are distributed at equal intervals and are distributed in a crossing manner with the heat exchange fins 3, and when the cleaning blocks 53 move along with the drive ring 4, the heat exchange fins 3 can be cleaned fully, so that dust accumulation is avoided.

As shown in fig. 1, the transmission mechanism is disposed in the main frame 1 and is in contact with the transmission ring 4, the transmission mechanism includes a motor 6, a rotation shaft 7 is disposed at an output shaft of the motor 6, a driving wheel 8 is disposed outside the rotation shaft 7, the driving wheel 8 is in contact with the transmission ring 4, the motor 6 drives the driving wheel 8 to rotate through the transmission shaft 7, and then an effect of driving the transmission ring 4 to rotate is achieved through friction force.

In actual use, the bolts 44 are penetrated through the cover plate 42, the rollers 43 are sleeved outside the bolts 44, the ring block 41 is installed on one side of the cover plate 42, on which the rollers 43 are arranged, the bolts 44 are rotated to be in threaded connection with the threaded holes 413, so that the transmission ring 4 is installed, and the installed transmission ring 4 is installed at two ends of a transverse tube (the installation process is realized in the process of assembling the heat exchanger);

After the driving rings 4 are installed, the outer rod 52 is sleeved outside the inner rod 51, the inner rod 51 is inserted into the limiting hole 414, at the moment, the threaded column 54 penetrates through the cover plate 42, and the cleaning frame 5 is installed between the two driving rings 4 by installing nuts outside the threaded column 54;

when the surface adhesion of heat transfer wing 3 more dust leads to heat exchange efficiency to reduce, drive axis of rotation 7 and drive wheel 8 through passing through motor 6 circular telegram and rotate, the driving ring 4 that contacts with drive wheel 8 this moment rotates under the effect of frictional force, and two adjacent driving rings 4 rotate together under the drive of frictional force, drive clearance frame 5 when driving and do circular motion with the center pin of violently managing as the centre of a circle, and then realized the clearance effect to heat transfer wing 3 surface dust, for the manual shutdown clearance, the device can realize the automatic clearance under the non-stop state, not only convenient to use, and cleaning efficiency is higher moreover.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims

1. A self-cleaning exhaust gas heat exchange device, comprising:

a main frame body (1) is internally provided with a pipeline (2) and heat exchange fins (3);

A drive ring (4) which is provided outside the pipe (2) and adjacent two of the drive rings (4) are in contact;

the cleaning frame (5) is arranged between the transmission rings (4) and is connected with the transmission rings (4) through nuts;

and the transmission mechanism is arranged in the main frame body (1) and is contacted with the transmission ring (4).

2. Heat exchange device according to claim 1, wherein the pipes (2) comprise vertical pipes and transverse pipes, the vertical pipes are arranged at both ends of the main frame body (1), the transverse pipes are arranged between the vertical pipes, and heat exchange fins (3) are arranged outside the transverse pipes.

3. Heat exchange device according to claim 2, wherein the heat exchange fins (3) are round metal sheets, the heat exchange fins (3) being equally distributed.

4. Heat exchange device according to claim 2, characterized in that the drive ring (4) comprises a ring block (41), the ring block (41) is arranged outside the cross tube, a cover plate (42) is arranged on the side, away from the cleaning frame (5), of the ring block (41) by means of bolts (44), a roller (43) is arranged between the ring block (41) and the cover plate (42), and the roller (43) is arranged outside the bolts (44).

5. Heat exchange device according to claim 4, wherein the ring block (41) comprises a main ring body (411), a mounting groove (412) and a limiting hole (414) are arranged on one side of the main ring body (411) away from the cover plate (42), and a threaded hole (413) is arranged in the mounting groove (412).

6. Heat exchange device according to claim 5, wherein the cleaning frame (5) comprises an inner rod (51) extending into the limiting hole (414), both ends of the inner rod (51) are provided with threaded posts (54), the threaded posts (54) penetrate the cover plate (42) and are connected with the cover plate (42) through nuts, an outer rod (52) is arranged outside the inner rod (51), and a cleaning block (53) is arranged on one side of the outer rod (52) close to the pipeline (2).

7. A heat exchange device according to claim 6, wherein the cleaning blocks (53) are equally spaced and are staggered with respect to the heat exchange fins (3).

8. Heat exchange device according to claim 1, characterized in that the transmission mechanism comprises a motor (6), a rotation shaft (7) is provided at the output shaft of the motor (6), a transmission wheel (8) is provided outside the rotation shaft (7), and the transmission wheel (8) is in contact with the transmission ring (4).