CN219223430U

CN219223430U - High-temperature flue gas heat energy recovery device

Info

Publication number: CN219223430U
Application number: CN202320294045.9U
Authority: CN
Inventors: 纪晓博; 王俊琚; 程功; 张鑫宇; 万民凯
Original assignee: CHAOYANG JINDA MOLYBDENUM INDUSTRY CO LTD
Current assignee: CHAOYANG JINDA MOLYBDENUM INDUSTRY CO LTD
Priority date: 2023-02-23
Filing date: 2023-02-23
Publication date: 2023-06-20
Anticipated expiration: 2033-02-23

Abstract

The utility model belongs to the technical field of heat energy recycling, and discloses a high-temperature flue gas heat energy recycling device which comprises a recycling box, wherein transfer boxes are fixedly arranged on the left side and the right side of the recycling box, heat exchange pipes are uniformly communicated and assembled between the transfer boxes on the left side and the right side, and penetrate through the recycling box; the inside of recovery case is provided with the clearance board, and the through-hole has evenly been seted up to the clearance board, and the heat exchange tube is pegged graft in the through-hole, and the equal fixed mounting in upper and lower both sides of clearance board has the connecting plate, and the guide way has all been seted up to the upper and lower both sides of recovery case, and connecting plate sliding fit is in the guide way, and the recovery case is provided with the drive structure who removes the connecting plate. According to the utility model, the cleaning plate can be driven to repeatedly move along the heat exchange tube through the driving structure, and the smoke dust accumulation blocks adhered on the surface of the heat exchange tube can be scraped through the through holes, the annular hairbrush or the annular scraping blade, so that the heat absorption capacity of the heat exchange tube is ensured.

Description

High-temperature flue gas heat energy recovery device

Technical Field

The application belongs to the technical field of heat energy recycling, and particularly relates to a high-temperature flue gas heat energy recycling device.

Background

Smoke is a main way for wasting energy by energy-consuming equipment, such as boilers, setting machines, dryers, kilns and the like, and a large amount of heat energy is carried out by the discharge of the smoke, so that energy waste is caused. The flue gas waste heat recovery mainly collects and recycles the heat energy carried by the high-temperature flue gas through a medium in the heat energy recovery system, so that the energy utilization rate is improved.

The heat energy recovery system mainly comprises a cold water tank, a recovery device, a hot water tank, a pump, a connecting pipeline and other structures, wherein the recovery device is connected with the flue gas pipeline, and the heat energy recovery is realized mainly by contacting a heat exchange pipe in the recovery device with high-temperature flue gas; when the device is used, cold water in the cold water tank is conveyed into the heat exchange tube in the recovery device under pressure by the pump, and after absorbing the heat of the smoke, the cold water is conveyed to the hot water tank outwards for storage and reuse; however, after the heat exchange tube is contacted with high-temperature flue gas for a long time, flue gas particles are easy to adhere to the surface of the heat exchange tube, and the heat exchange tube is coated with the flue gas particles after a flue dust accumulation block is formed, so that the capacity of absorbing heat by medium inside the heat exchange tube is reduced.

Therefore, there is a need for a high temperature flue gas heat recovery device that can remove the soot accumulation on the heat exchange tube to ensure the heat recovery capability.

Disclosure of Invention

The present utility model aims to address the above-mentioned problems: the formed smoke dust accumulation blocks can be coated on the heat exchange tube, so that the heat recovery capacity of the heat exchange tube is reduced, and the high-temperature smoke gas heat recovery device capable of removing the smoke dust accumulation blocks on the heat exchange tube is provided.

The high-temperature flue gas heat energy recovery device comprises a recovery box, wherein transfer boxes are fixedly arranged on the left side and the right side of the recovery box, heat exchange pipes are uniformly communicated and assembled between the transfer boxes on the left side and the right side, and the heat exchange pipes penetrate through the recovery box; the inside of recovery case is provided with the clearance board, and the through-hole has evenly been seted up to the clearance board, and the heat exchange tube is pegged graft in the through-hole, and the equal fixed mounting in upper and lower both sides of clearance board has the connecting plate, and the guide way has all been seted up to the upper and lower both sides of recovery case, and connecting plate sliding fit is in the guide way, and the recovery case is provided with the drive structure who removes the connecting plate.

Further, an annular brush or an annular scraping blade is fixedly arranged in the through hole.

Further, the driving structure comprises an electric screw rod module and a sliding guide rail; the upper surface of the recovery box is fixedly provided with an electric screw module through a support frame, a sliding table of the electric screw module is fixedly assembled with an upper connecting plate, the lower surface of the recovery box is fixedly provided with a sliding guide rail through the support frame, and a sliding block of the sliding guide rail is fixedly assembled with a lower connecting plate.

Further, guide plates are fixedly arranged on the inner walls of the upper side and the lower side of the recovery box, the cleaning plate is provided with a notch, and the notch is assembled with the guide plates in a sliding mode.

Further, the guide groove is provided with a sealing structure.

Further, the sealing structure comprises a storage groove and an organ protection cover; storage tanks are formed in the front side and the rear side of the guide tank, an organ protection cover is arranged in the storage tanks, two ends of the organ protection cover are fixedly assembled with two ends of the storage tanks respectively, and the center of the organ protection cover is fixedly assembled with the connecting plate.

Further, baffle plates are fixedly installed on the upper side and the lower side of the recovery box and symmetrically arranged on the front side and the rear side of the guide groove, and the baffle plates are blocked and connected with the organ protection cover.

Further, the upper portion of the middle transfer box on the left side is communicated and equipped with a water inlet flange pipe, and the lower portion of the middle transfer box on the right side is communicated and equipped with a water outlet flange pipe.

Furthermore, supporting feet are fixedly arranged at four corners of the lower surface of the recovery box.

The utility model has the beneficial effects that:

can drive the clearance board through drive structure and remove repeatedly along the heat exchange tube, can strike off the smoke and dust heap of heat exchange tube surface adhesion through-hole, annular brush or annular doctor-bar and handle, guarantee the heat absorption capacity of heat exchange tube.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art.

FIG. 1 is a schematic front view of the structure of the present utility model;

FIG. 2 is a schematic top view of the structure of the present utility model;

FIG. 3 is a schematic cross-sectional view of the structure in the direction A-A of FIG. 1;

fig. 4 is a schematic cross-sectional view of the seal structure of the present utility model.

In the figure: 1. the recycling box, the connecting plate, the sliding guide rail, the supporting legs, the water outlet flange pipe, the transfer box, the electric screw rod module, the supporting legs and the flange pipe are arranged in sequence, and the recycling box, the connecting plate, the sliding guide rail, the supporting legs, the water outlet flange pipe, the transfer box and the electric screw rod module are arranged in sequence the solar heat collector comprises a water inlet flange pipe, a cleaning plate, a heat exchange pipe, a guide plate, a through hole, a baffle, a storage groove and an organ protecting cover, wherein the water inlet flange pipe, the cleaning plate, the heat exchange pipe, the guide plate, the through hole, the baffle, the storage groove and the organ protecting cover are arranged in sequence.

Detailed Description

The utility model will be better explained for understanding by referring to the drawings, which are used in detail in the following. Wherein references herein to upper, lower, left, right, front, rear, etc. are made to the orientation of fig. 1.

The utility model discloses a high-temperature flue gas heat energy recovery device, which is shown in fig. 1-4, and comprises a recovery box 1, wherein the recovery box 1 mainly comprises a rectangular box body and flange plates, the flange plates are fixedly arranged at the front end and the rear end of the rectangular box body, and the flange plates are used for being connected with a flue gas conveying channel; supporting feet 4 are fixedly arranged at four corners of the lower surface of the recovery box 1, and the supporting feet 4 enable a space to exist between the recovery box 1 and a placing surface; the transfer boxes 6 are fixedly arranged on the left side and the right side of the recovery box 1, heat exchange pipes 10 are uniformly communicated and assembled between the transfer boxes 6 on the left side and the right side, the heat exchange pipes 10 penetrate through the recovery box 1, and the heat exchange pipes 10 are perpendicular to the conveying direction of the flue gas; the upper portion intercommunication of left side transfer case 6 is equipped with into water flange pipe 8, and water flange pipe 8 is arranged in with the cold water tank intercommunication in the heat recovery system, and the lower part intercommunication of right side transfer case 6 is equipped with out water flange pipe 5, goes out water flange pipe 5 and is arranged in with the hot-water tank intercommunication in the heat recovery system.

As shown in fig. 3, a cleaning plate 9 is arranged in the recovery box 1, the cleaning plate 9 is arranged along the conveying direction of the flue gas, through holes 12 are uniformly formed in the cleaning plate 9, heat exchange tubes 10 are inserted in the through holes 12, connecting plates 2 are fixedly arranged on the upper side and the lower side of the cleaning plate 9, guide grooves are formed in the upper side and the lower side of the recovery box 1, the guide grooves are arranged perpendicular to the conveying direction of the flue gas, the connecting plates 2 are slidably assembled in the guide grooves, and the recovery box 1 is provided with a driving structure for moving the connecting plates 2; the cleaning plate 9 can be driven to move left and right through the connecting plates 2 on the upper side and the lower side by the driving structure, so that the dust accumulation blocks adhered to the outer surface of the heat exchange tube 10 are scraped through the through holes 12; optionally, an annular brush or an annular scraping blade is fixedly arranged in the through hole 12; when the cleaning plate 9 moves, the dust accumulation blocks adhered to the outer surface of the heat exchange tube 10 are scraped by an annular brush or an annular scraping blade; thereby achieving the purpose of ensuring the heat absorbing capacity of the heat exchange tube 10.

Specifically, the driving structure comprises an electric screw rod module 7 and a sliding guide rail 3, the electric screw rod module 7 and the sliding guide rail 3 are all existing components, the electric screw rod module 7 mainly comprises a shell, a servo motor, a guide rod, a screw rod, a sliding table and other structures, the driving linear reciprocating motion can be realized, and the sliding guide rail 3 mainly comprises a sliding block and a rail, so that the guiding and supporting functions are realized; the upper surface of the recovery box 1 is fixedly provided with an electric screw module 7 through a support frame, a sliding table of the electric screw module 7 is fixedly assembled with the upper connecting plate 2, the lower surface of the recovery box 1 is fixedly provided with a sliding guide rail 3 through the support frame, and a sliding block of the sliding guide rail 3 is fixedly assembled with the lower connecting plate 2; the electric screw rod module 7 is electrically connected with a controller in an external electric cabinet through a cable.

Further, guide plates 11 are fixedly arranged on the inner walls of the upper side and the lower side of the recovery box 1, the guide plates 11 are perpendicular to the flue gas conveying direction, the cleaning plate 9 is provided with a notch, and the notch is assembled with the guide plates 11 in a sliding manner; when the cleaning plate 9 moves left and right, the notch slides along the guide piece 11, so that the stability of the movement of the cleaning plate 9 is further improved, and the phenomenon that the cleaning plate is blocked due to offset is avoided.

As shown in fig. 4, the guide groove is provided with a sealing structure, specifically, the sealing structure comprises a storage groove 14 and an organ protection cover 15, the organ protection cover 15 is an existing part, has the advantages of small compression, long stroke and the like, plays a role in sealing the guide groove, ensures the integrity of the recovery box 1, and avoids the leakage of smoke from the guide groove; the front side and the rear side of the guide groove are respectively provided with a storage groove 14, an organ protection cover 15 is arranged in the storage groove 14, two ends of the organ protection cover 15 are respectively and fixedly assembled with two ends of the storage groove 14, and the center of the organ protection cover 15 is fixedly assembled with the connecting plate 2; when the connecting plate 2 moves along the guide groove, one side of the organ protection cover 15 can be stretched, and the other side of the organ protection cover 15 can be compressed, so that the sealing of the guide groove is kept on the premise that the moving action of the connecting plate 2 is not influenced; baffle plates 13 are fixedly arranged on the upper side and the lower side of the recovery box 1, the baffle plates 13 are symmetrically arranged on the front side and the rear side of the guide groove, the cross section of each baffle plate 13 is L-shaped, and the baffle plates 13 are blocked by an organ protection cover 15; the organ protection cover 15 is prevented from being separated from the storage groove 14.

The specific application mode of the embodiment is as follows:

when the heat energy recovery system is used, the pump in the heat energy recovery system firstly inputs cold water in the cold water tank into the transfer tank 6 on the left side through the water inlet flange pipe 8, so that the cold water is conveniently fed into all the heat exchange pipes 10, and after the heat in the flue gas is absorbed, the cold water enters the transfer tank 6 on the right side, so that hot water heated in the heat exchange pipes 10 is conveniently collected in a concentrated manner, and is conveyed to the hot water tank through the water outlet flange pipe 5 for storage or reutilization; meanwhile, the electric screw rod module 7 works, the cleaning plate 9 and the lower connecting plate 2 are driven to move left and right through the upper connecting plate 2, the lower connecting plate 2 is supported in a sliding mode through the sliding guide rail 3, and smoke dust accumulation blocks adhered to the outer surface of the heat exchange tube 10 are scraped through the through holes 12, the annular hairbrushes or the annular scraping blades, so that the heat energy absorption capacity of the heat exchange tube 10 is maintained.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a high temperature flue gas heat recovery device, includes collection box (1), its characterized in that, the left and right sides of collection box (1) is all fixed mounting transfer case (6), evenly communicates between the transfer case (6) of left and right sides and is equipped with heat exchange tube (10), and heat exchange tube (10) run through collection box (1); the inside of collection box (1) is provided with clearance board (9), and through-hole (12) have evenly been seted up to clearance board (9), and heat exchange tube (10) are pegged graft in through-hole (12), and equal fixed mounting in upper and lower both sides of clearance board (9) has connecting plate (2), and the guide way has all been seted up to the upper and lower both sides of collection box (1), and connecting plate (2) sliding fit is in the guide way, and collection box (1) is provided with the drive structure of removal connecting plate (2).

2. The high-temperature flue gas heat energy recovery device according to claim 1, wherein an annular brush or an annular scraping blade is fixedly arranged in the through hole (12).

3. A high temperature flue gas heat recovery device according to claim 1, wherein the drive structure comprises an electric screw module (7) and a sliding guide rail (3); the upper surface of collection box (1) is through support frame fixed mounting having electric screw module (7), and the slip table and the upside connecting plate (2) fixed assembly of electric screw module (7), and the lower surface of collection box (1) is through support frame fixed mounting having sliding guide (3), and the slider and the downside connecting plate (2) fixed assembly of sliding guide (3).

4. A high-temperature flue gas heat energy recovery device according to claim 3, wherein guide plates (11) are fixedly arranged on the inner walls of the upper side and the lower side of the recovery box (1), the cleaning plate (9) is provided with a notch, and the notch is assembled with the guide plates (11) in a sliding manner.

5. The high temperature flue gas heat recovery device according to claim 1, wherein the guide groove is provided with a sealing structure.

6. A high temperature flue gas heat recovery device according to claim 5, wherein the sealing structure comprises a storage tank (14) and a organ shield (15); storage grooves (14) are formed in the front side and the rear side of the guide groove, an organ protection cover (15) is arranged in the storage grooves (14), two ends of the organ protection cover (15) are fixedly assembled with two ends of the storage grooves (14) respectively, and the center of the organ protection cover (15) is fixedly assembled with the connecting plate (2).

7. The high-temperature flue gas heat energy recovery device according to claim 6, wherein baffles (13) are fixedly arranged on the upper side and the lower side of the recovery box (1), the baffles (13) are symmetrically arranged on the front side and the rear side of the guide groove, and the baffles (13) are blocked by a damper protection cover (15).

8. The high-temperature flue gas heat energy recovery device according to claim 1, wherein the upper part of the left transfer box (6) is provided with a water inlet flange pipe (8) in a communicating manner, and the lower part of the right transfer box (6) is provided with a water outlet flange pipe (5) in a communicating manner.

9. The high-temperature flue gas heat energy recovery device according to claim 1, wherein supporting feet (4) are fixedly arranged at four corners of the lower surface of the recovery box (1).