CN220304289U

CN220304289U - Modular sintering machine exhaust-heat boiler

Info

Publication number: CN220304289U
Application number: CN202321158347.XU
Authority: CN
Inventors: 朱秋平
Original assignee: Jiangsu Yuanhe New Energy Technology Co ltd
Current assignee: Jiangsu Yuanhe New Energy Technology Co ltd
Priority date: 2023-05-15
Filing date: 2023-05-15
Publication date: 2024-01-05
Anticipated expiration: 2033-05-15

Abstract

The utility model discloses a modular sintering machine waste heat boiler which comprises a workbench, wherein a boiler body is arranged on the workbench through a bracket, a heat exchange unit is correspondingly arranged in the boiler body, waste heat is exchanged by the heat exchange unit, and a purification unit is correspondingly arranged on one side of the boiler body through a fixing frame. The purification unit has large purification space and self-cleaning function, saves the subsequent cleaning difficulty of staff, can realize uniform heat exchange with the water source in the boiler body by virtue of the plurality of heat exchange copper pipes on the heat exchange unit, realizes the flow division of heat smoke, ensures the stability of heat exchange with the water source, and immediately conveys the heat smoke into the heat preservation cavity through the circulation pipe for heat preservation, thereby realizing the external heat preservation of the boiler body, saving energy, protecting the environment, improving the heat utilization rate and realizing the self heat preservation action by virtue of the residual heat smoke after heat exchange.

Description

Modular sintering machine exhaust-heat boiler

Technical Field

The utility model relates to the technical field of waste heat recovery of sintering machines, in particular to a modular waste heat boiler of a sintering machine.

Background

Pure low-temperature waste heat flue gas of a cooling low-temperature section of a sintering circular cooler in the existing steel industry cannot be comprehensively utilized with a medium-low-temperature waste heat boiler system due to lower flue gas temperature quality, direct discharge is adopted, the amount of the waste heat flue gas is large, the direct discharge causes great waste of energy, heat pollution is caused to the environment, and then some waste heat boilers are used for recycling heat in the flue gas in the market, but the waste heat boilers in the market still have the following defects in actual use.

In the prior art, the waste heat boiler has fewer pipelines for heat exchange in the waste heat boiler, so that the heat gas is concentrated in the heat exchange pipelines, the uniform heat exchange effect cannot be realized, the stable exchange of the heat in the flue gas cannot be realized, the energy conservation and the environmental protection are not facilitated, the flue gas is mostly directly discharged after the heat exchange, the residual heat in the flue gas is not well reused for many times, and the heat waste is caused.

Disclosure of Invention

The utility model aims to provide a modular sintering machine waste heat boiler so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a modular sintering machine exhaust-heat boiler, includes the workstation, installs the boiler body through the support mounting on the workstation, this internal correspondence of boiler is installed heat transfer unit, exchanges waste heat with the help of heat transfer unit to correspond through the mount in boiler body one side and install purification unit, purification unit corresponds the intercommunication with heat transfer unit, can intercept impurity in the flue gas with the help of purification unit.

As a further preferable mode of the technical scheme, the top of the boiler body is provided with a top cover in a sealing mode through bolts, a water inlet pipe is arranged on one side of the top cover in a penetrating mode, a water drain pipe is arranged at the bottom of the boiler body in a penetrating mode in a communicating mode, and electromagnetic valves for controlling on-off of the water inlet pipe and the water drain pipe are arranged at the positions of the water inlet pipe and the water drain pipe end.

As a further preferable mode of the technical scheme, the side wall of the boiler body is provided with a heat preservation cavity, a recovery inlet pipe is arranged on one side of the boiler body in a penetrating manner, a recovery outlet pipe is arranged on the other side of the boiler body in a penetrating manner, and air pumps for exhausting are arranged at the ends of the recovery inlet pipe and the recovery outlet pipe.

As a further preferable mode of the technical scheme, the heat exchange unit comprises an air inlet pipe which is communicated with one side of the boiler body in a penetrating mode, an exhaust pipe which is correspondingly communicated with the air inlet pipe is arranged on the other side of the boiler body in a penetrating mode, collecting cavities are arranged on the inner sides of the air inlet pipe and the exhaust pipe, a plurality of heat exchange copper pipes are arranged between the collecting cavities in a communicating mode, and the plurality of heat exchange copper pipes are used for exchanging heat with a water source in the boiler body.

As a further preferable mode of the technical scheme, a circulating pipe is arranged on the exhaust pipe in a communicating way, and the circulating pipe is correspondingly communicated with the recycling inlet pipe.

As the further preferred of this technical scheme, purifying element is including installing the purification chamber in boiler body one side, the purification chamber corresponds the intercommunication with the intake pipe, is installed sealed lid at purification chamber top, wears to be equipped with the recovery pipe in sealed lid top one side intercommunication, corresponds at sealed lid bottom and installs circular metal filter cartridge through the bolt, and the recovery pipe corresponds and extend to in the circular metal filter cartridge, installs the scum pipe in circular metal filter cartridge bottom intercommunication to install the manual valve of its break-make of control in scum pipe end department, and scum pipe bottom corresponds stretches out the purification chamber setting.

As a further preferable mode of the technical scheme, a stepping motor is installed at the center of the upper surface of the sealing cover, a transmission shaft is correspondingly installed at the center of the lower surface of the sealing cover, the transmission shaft is correspondingly connected with the stepping motor in a transmission mode, the top and the bottom of the outer surface of the transmission shaft are fixedly sleeved with fixed lantern rings, a cleaning plate is arranged on one side of the fixed lantern rings in an extending mode, a cleaning brush is correspondingly installed on the cleaning plate, and the output end of the cleaning brush is in contact with the inner wall of the circular metal filter cylinder to achieve scraping cleaning.

The utility model provides a modular sintering machine waste heat boiler, which has the following beneficial effects:

(1) The heat exchange unit is arranged, the split-flow conveying is performed through the plurality of heat exchange copper pipes, the uniformity of subsequent heat exchange is guaranteed, the problem that the flue gas is too concentrated and cannot perform stable heat exchange is avoided, the flue gas subjected to heat exchange is conveyed into the heat insulation cavity through the circulating pipe to perform heat insulation action, the external heat insulation of the boiler body is realized, the energy is saved, the environment is protected, the heat utilization rate is improved, and the heat insulation action of the boiler body is realized by means of residual heat flue gas subjected to heat exchange.

(2) According to the utility model, the purification unit is arranged, so that heat flue gas enters the circular metal filter cylinder through the recovery pipe to be rapidly purified, when the circular metal filter cylinder needs to be cleaned later, the cleaning plate and the cleaning hairbrush on the cleaning plate are driven to rotate in a following way only by correspondingly starting the stepping motor, accumulated impurities on the inner wall of the circular metal filter cylinder can be stripped by scraping of the cleaning hairbrush, and then the circular metal filter cylinder is discharged by the slag discharge pipe, so that the cleaning machine is time-saving and labor-saving.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the distribution of the boiler body and the clean room of the present utility model;

FIG. 3 is a schematic view showing the internal structure of the boiler body according to the present utility model;

FIG. 4 is a schematic diagram of a purification unit according to the present utility model;

FIG. 5 is a schematic view of the heat exchange unit of the present utility model installed in a boiler body;

fig. 6 is a schematic view of the heat exchange unit structure of the present utility model.

In the figure: 1. a work table; 2. a boiler body; 3. a top cover; 4. a water inlet pipe; 5. a drain pipe; 6. a heat-preserving cavity; 7. recycling the receiving pipe; 8. a recovery outlet pipe; 9. an air inlet pipe; 10. an exhaust pipe; 11. a collection chamber; 12. a heat exchange copper pipe; 13. a circulation pipe; 14. a purification chamber; 15. sealing cover; 16. a recovery pipe; 17. a round metal filter cartridge; 18. a slag discharge pipe; 19. a stepping motor; 20. a transmission shaft; 21. a fixed collar; 22. a cleaning plate; 23. cleaning the hairbrush.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

The utility model provides the technical scheme that: as shown in fig. 1, fig. 2 and fig. 3, in this embodiment, a modular sintering machine waste heat boiler includes a workbench 1, a boiler body 2 is installed on the workbench 1 through a bracket, a heat exchange unit is correspondingly installed in the boiler body 2, waste heat is exchanged by means of the heat exchange unit, a purification unit is correspondingly installed on one side of the boiler body 2 through a fixing frame, the purification unit is correspondingly communicated with the heat exchange unit, impurities in flue gas can be intercepted by means of the purification unit, a top cover 3 is installed on the top of the boiler body 2 through bolt sealing, a water inlet pipe 4 is penetrated on one side of the top cover 3, a water outlet pipe 5 is penetrated at the bottom of the boiler body 2, electromagnetic valves for controlling the connection and disconnection of the water inlet pipe 4 and the water outlet pipe 5 are installed at the positions of the water inlet pipe 4 and the water outlet pipe 5, a heat insulation cavity 6 is formed in the side wall of the boiler body 2, a return pipe 7 is penetrated at one side of the Wen Kongqiang, a recovery pipe 8 is penetrated at the other side of the Wen Kongqiang, and an air pump for exhausting is installed at the positions of the recovery pipe 8.

As shown in fig. 5 and 6, the heat exchange unit comprises an air inlet pipe 9 which is communicated and penetrated at one side of the boiler body 2, an exhaust pipe 10 which is correspondingly communicated and penetrated with the air inlet pipe 9 at the other side of the boiler body 2, collecting cavities 11 which are respectively arranged at the inner sides of the air inlet pipe 9 and the exhaust pipe 10, a plurality of heat exchange copper pipes 12 which are communicated and installed between the collecting cavities 11, the plurality of heat exchange copper pipes 12 are utilized to exchange heat with a water source in the boiler body 2, a circulating pipe 13 which is correspondingly communicated and installed on the exhaust pipe 10, and the circulating pipe 13 and the recovery pipe 7 are correspondingly communicated;

wherein, when carrying out heat transfer to the flue gas: through being equipped with heat transfer unit, the flue gas that the purification was accomplished carries to collecting chamber 11 through intake pipe 9, carries through a plurality of heat transfer copper pipes 12 reposition of redundant personnel finally, has guaranteed the degree of consistency of follow-up heat transfer, avoids the flue gas too concentrated unable stable heat transfer problem of going on, and the flue gas that the heat transfer was accomplished immediately carries to the heat preservation action in heat preservation cavity 6 through circulating pipe 13, has realized the outside heat preservation to boiler body 2, and is energy-concerving and environment-protective, has improved thermal utilization ratio, realizes self heat preservation action with the help of the residual heat flue gas that the heat transfer was accomplished, convenient operation.

As shown in fig. 4, the purifying unit comprises a purifying cavity 14 installed at one side of the boiler body 2, the purifying cavity 14 is correspondingly communicated with an air inlet pipe 9, a sealing cover 15 is installed at the top of the purifying cavity 14, a recovery pipe 16 is correspondingly installed at the bottom of the sealing cover 15 through bolts in a penetrating manner, the recovery pipe 16 correspondingly extends into the circular metal filter cylinder 17, a slag discharging pipe 18 is correspondingly installed at the bottom of the circular metal filter cylinder 17 in a communicating manner, a manual valve for controlling the on-off of the slag discharging pipe 18 is installed at the end of the slag discharging pipe 18, and the bottom of the slag discharging pipe 18 correspondingly extends out of the purifying cavity 14;

wherein, when purifying the action to the flue gas: through the purification unit, heat flue gas enters the circular metal filter cylinder 17 through the recovery pipe 16 to be rapidly purified, the purified flue gas is conveyed into the boiler body 2 through the air inlet pipe 9, when the circular metal filter cylinder 17 is required to be cleaned later, the cleaning plate 22 and the cleaning hairbrush 23 on the cleaning plate are driven to rotate in a following way only by correspondingly starting the stepping motor 19, accumulated impurities on the inner wall of the circular metal filter cylinder 17 can be stripped by scraping of the cleaning hairbrush 23, and then the circular metal filter cylinder 17 is discharged by means of the slag discharging pipe 18, so that the boiler is time-saving and labor-saving;

further, a stepping motor 19 is installed in the center of the upper surface of the sealing cover 15, a transmission shaft 20 is correspondingly installed in the center of the lower surface of the sealing cover 15, the transmission shaft 20 is correspondingly connected with the stepping motor 19 in a transmission manner, a fixed sleeve ring 21 is fixedly sleeved at the top and the bottom of the outer surface of the transmission shaft 20, a cleaning plate 22 is arranged on one side of the fixed sleeve ring 21 in an extending manner, a cleaning brush 23 is correspondingly installed on the cleaning plate 22, and the output end of the cleaning brush 23 is in contact with the inner wall of the circular metal filter cylinder 17 to realize scraping cleaning.

The utility model provides a modular sintering machine waste heat boiler, which has the following specific working principle: during operation, the recovery pipe 16 is communicated with the smoke exhaust pipeline of the sintering machine, the heat smoke is quickly purified by the purification unit, the purification space is large, a large amount of smoke can be purified simultaneously, the cleanliness of the smoke is guaranteed, the self-cleaning function is achieved, the subsequent cleaning difficulty of workers is omitted, the purified smoke enters the heat exchange unit, uniform heat exchange can be realized with a water source in the boiler body 2 by means of the plurality of heat exchange copper pipes 12 on the heat exchange unit, the diversion of the heat smoke is realized, the stability of heat exchange with a water source is guaranteed, the heat smoke is conveyed into the heat insulation cavity 6 through the circulation pipe 13 to perform heat insulation action, the external heat insulation of the boiler body 2 is realized, the energy conservation and environmental protection are realized, the heat utilization rate is improved, the heat insulation action of the self is realized by means of the residual heat smoke after the heat exchange is completed, the operation is convenient, and the stability is high.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a modular sintering machine exhaust-heat boiler, includes workstation (1), its characterized in that: the boiler comprises a working table (1), and is characterized in that a boiler body (2) is arranged on the working table (1) through a support, a heat exchange unit is correspondingly arranged in the boiler body (2), waste heat is exchanged by means of the heat exchange unit, a purifying unit is correspondingly arranged on one side of the boiler body (2) through a fixing frame, the purifying unit is correspondingly communicated with the heat exchange unit, and impurities in smoke can be intercepted by means of the purifying unit.

2. The modular sintering machine waste heat boiler as set forth in claim 1, wherein: the boiler is characterized in that the top of the boiler body (2) is provided with a top cover (3) in a sealing manner through bolts, a water inlet pipe (4) is arranged on one side of the top cover (3) in a penetrating manner, a water outlet pipe (5) is arranged at the bottom of the boiler body (2) in a communicating manner, and electromagnetic valves for controlling the on-off of the water inlet pipe (4) and the water outlet pipe (5) are arranged at the ends of the water inlet pipe and the water outlet pipe.

3. The modular sintering machine waste heat boiler as set forth in claim 1, wherein: the heat preservation cavity (6) has been seted up to boiler body (2) lateral wall to wear to be equipped with recovery income pipe (7) in Wen Kongqiang (6) one side intercommunication, wear to be equipped with recovery exit tube (8) in Wen Kongqiang (6) opposite side intercommunication, recovery income pipe (7) all install the air pump that is used for bleeding with recovery exit tube (8) end department.

4. The modular sintering machine waste heat boiler as set forth in claim 1, wherein: the heat exchange unit comprises an air inlet pipe (9) which is communicated with one side of the boiler body (2), an exhaust pipe (10) which is correspondingly communicated with the air inlet pipe (9) on the other side of the boiler body (2), collecting cavities (11) are arranged on the inner sides of the air inlet pipe (9) and the exhaust pipe (10), a plurality of heat exchange copper pipes (12) are communicated between the collecting cavities (11), and the plurality of heat exchange copper pipes (12) are used for exchanging heat with water sources in the boiler body (2).

5. The modular sintering machine waste heat boiler as set forth in claim 4, wherein: the circulating pipe (13) is communicated and installed on the exhaust pipe (10), and the circulating pipe (13) is correspondingly communicated with the recycling pipe (7).

6. The modular sintering machine waste heat boiler as set forth in claim 1, wherein: the purification unit is including installing purification chamber (14) in boiler body (2) one side, purification chamber (14) correspond the intercommunication with intake pipe (9), install sealed lid (15) at purification chamber (14) top, it wears to be equipped with recovery pipe (16) to seal lid (15) top one side intercommunication, install circular metal filter cartridge (17) through the bolt correspondence in sealed lid (15) bottom, and recovery pipe (16) correspond and extend to circular metal filter cartridge (17) in, install scum pipe (18) in circular metal filter cartridge (17) bottom intercommunication, and install the manual valve of its break-make of control in scum pipe (18) end department, and scum pipe (18) bottom corresponds stretches out purification chamber (14) setting.

7. The modular sintering machine waste heat boiler as set forth in claim 6, wherein: the novel cleaning device comprises a sealing cover (15), a stepping motor (19) is arranged at the center of the upper surface of the sealing cover (15), a transmission shaft (20) is correspondingly arranged at the center of the lower surface of the sealing cover (15), the transmission shaft (20) is correspondingly connected with the stepping motor (19), a fixed sleeve ring (21) is fixedly sleeved at the top and the bottom of the outer surface of the transmission shaft (20), a cleaning plate (22) is arranged on one side of the fixed sleeve ring (21) in an extending mode, a cleaning brush (23) is correspondingly arranged on the cleaning plate (22), and the output end of the cleaning brush (23) is in contact with the inner wall of a circular metal filter cylinder (17) to realize scraping cleaning.