CN221123107U - Flue gas waste heat recovery device of heating furnace - Google Patents
Flue gas waste heat recovery device of heating furnace Download PDFInfo
- Publication number
- CN221123107U CN221123107U CN202323106565.1U CN202323106565U CN221123107U CN 221123107 U CN221123107 U CN 221123107U CN 202323106565 U CN202323106565 U CN 202323106565U CN 221123107 U CN221123107 U CN 221123107U
- Authority
- CN
- China
- Prior art keywords
- flue gas
- pipe
- exhaust pipe
- smoke exhaust
- smoke
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 151
- 239000003546 flue gas Substances 0.000 title claims abstract description 151
- 239000002918 waste heat Substances 0.000 title claims abstract description 40
- 238000010438 heat treatment Methods 0.000 title claims abstract description 30
- 238000011084 recovery Methods 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 37
- 239000000779 smoke Substances 0.000 claims description 84
- 238000001914 filtration Methods 0.000 abstract description 21
- 239000002699 waste material Substances 0.000 abstract description 3
- 239000003517 fume Substances 0.000 description 19
- 238000007599 discharging Methods 0.000 description 17
- 239000012535 impurity Substances 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000003915 air pollution Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 230000003749 cleanliness Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model relates to the technical field of heating furnaces, and discloses a flue gas waste heat recovery device of a heating furnace, which solves the problems that the prior heating furnace is inconvenient to recycle flue gas heat and filter flue gas during working, and comprises a combined flue gas exhaust pipe, wherein the combined flue gas exhaust pipe is fixedly connected to the top end of the heating furnace, one side of the combined flue gas exhaust pipe is provided with a hot water tank, a waste heat utilization component fixedly connected with the combined flue gas exhaust pipe is fixedly arranged in the hot water tank, and one end of the waste heat utilization component, which is far away from the combined flue gas exhaust pipe, is fixedly provided with a flue gas exhaust pipe inserted into the hot water tank, and the combined flue gas exhaust pipe consists of a flue gas pipe head, a flue gas exhaust branch pipe I, a flue gas filter pipe II, a V-shaped flue gas exhaust pipe and an L-shaped flue gas exhaust pipe; through this heating furnace flue gas waste heat recovery device can realize the filtration to the flue gas, can carry out recycle to the heat energy in the flue gas simultaneously, avoids causing the waste of heat energy.
Description
Technical Field
The utility model belongs to the technical field of heating furnaces, and particularly relates to a flue gas waste heat recovery device of a heating furnace.
Background
When steel works produce and process steel, a heating furnace is needed to heat the steel, so that rolling and forging of the steel are realized.
When the heating furnace works, a large amount of high-temperature smoke is generated, the smoke is directly discharged into the nature by the traditional smoke discharging method, so that a large amount of heat energy in the smoke is wasted, and the directly discharged smoke contains a plurality of impurities, so that air pollution is easy to cause, and the environment is not protected.
Disclosure of utility model
Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the flue gas waste heat recovery device of the heating furnace, which effectively solves the problems that the prior heating furnace is inconvenient to recycle the flue gas heat and filter the flue gas during working.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a heating furnace flue gas waste heat recovery device, includes the combination formula and discharges fume the pipe, combination formula is discharged fume pipe fixed connection in the top of heating furnace, one side of combination formula and is provided with the hot water tank, the inside fixedly provided with of hot water tank is discharged fume pipe fixed connection with combination formula and is discharged fume pipe, the one end that the combination formula was discharged fume pipe was kept away from to the waste heat utilization subassembly is fixed to be provided with the flue gas discharge pipe that alternates in the hot water tank, combination formula is discharged fume pipe head, first fume exhaust branch pipe, second fume exhaust branch pipe, flue gas filter pipe, V type is discharged fume pipe and L type and is discharged fume pipe and constitute, the top of heating furnace is discharged fume pipe head fixed connection, first fume exhaust branch pipe and second fume exhaust branch pipe are respectively fixed connection in the both sides on fume pipe head top of discharging fume, first fume filter pipe and second fume exhaust branch pipe's the other end, V type is discharged fume pipe fixed connection in the top of flue gas filter pipe, L type is discharged fume pipe and waste heat utilization subassembly between.
Preferably, the first smoke exhaust branch pipe and the second smoke exhaust branch pipe are respectively provided with a first valve, the first smoke filter pipe and the second smoke filter pipe are respectively provided with a second valve, and the bottoms of the first smoke filter pipe and the second smoke filter pipe are respectively of an open structure.
Preferably, the top of flue gas filter pipe one and flue gas filter pipe two inside all is provided with the flue gas filter, and the flue gas filter is W type structure, and the bayonet joint is all fixed to the both ends of flue gas filter, and flue gas filter pipe one and flue gas filter pipe two inside both sides all have offered with bayonet joint assorted jack groove, and the both sides of flue gas filter are all fixed to be provided with high temperature resistant rubber strip, and the front of flue gas filter pipe one and flue gas filter pipe two all is provided with the apron.
Preferably, a cold water inlet pipe is fixedly arranged in the middle of the top end of the hot water tank, and a hot water outlet pipe is fixedly arranged at one end of the bottom of the hot water tank.
Preferably, the waste heat utilization component comprises a flow distribution disc, a flow converging disc and a plurality of flue gas heat exchange tubes, the flow distribution disc is fixedly connected with the combined smoke exhaust pipe, the flow converging disc is fixedly connected with the flue gas exhaust pipe, the flue gas heat exchange tubes are fixedly connected between the flow distribution disc and the flow converging disc, and inner cavities communicated with the flue gas heat exchange tubes are formed in the flow distribution disc and the flow converging disc.
Compared with the prior art, the utility model has the beneficial effects that:
(1) In operation, through setting up by smoke discharging pipe head, smoke discharging branch pipe I, smoke discharging branch pipe II, smoke filtering pipe I, smoke filtering pipe II, V type smoke discharging pipe and L type smoke discharging pipe constitute the combination formula smoke discharging pipe, can make the flue gas discharge along two pipelines in turn, thereby can be convenient for clear up the maintenance to the filter in turn, the discharge of flue gas can not be interrupted in the clearance process, through being provided with flue gas filter, the bayonet joint, high temperature resistant rubber strip and apron, thereby can realize filtering the flue gas, guarantee the cleanliness of flue gas, avoid causing air pollution, also avoid causing waste heat utilization subassembly to take place to block up, the dust impurity that the clearance was got off is convenient for clear up simultaneously;
(2) Through being provided with the hot-water tank and by the flow distribution plate, converging the dish and the waste heat utilization subassembly that a plurality of flue gas heat exchange tubes constitute, can utilize the waste heat to heat hot water to realized the effective recycle to flue gas waste heat, avoided causing the waste of heat energy, through setting up a plurality of dry flue gas heat exchange tubes, can improve the area of contact with water, thereby improve heat conduction efficiency.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.
In the drawings:
FIG. 1 is a schematic diagram of a flue gas waste heat recovery device of a heating furnace;
FIG. 2 is a schematic diagram of the connection structure of the combined smoke exhaust pipe and waste heat utilization assembly of the present utility model;
FIG. 3 is a schematic view of the waste heat utilizing assembly of the present utility model;
FIG. 4 is a schematic view of a combined smoke exhaust pipe according to the present utility model;
FIG. 5 is an enlarged view of a portion of FIG. 4 in accordance with the present utility model;
In the figure: 1. a combined smoke exhaust pipe; 2. a heating furnace; 3. a hot water tank; 4. a waste heat utilization assembly; 5. a smoke discharge pipe; 6. a smoke discharging pipe head; 7. a first smoke exhaust branch pipe; 8. a smoke exhaust branch pipe II; 9. a first flue gas filter pipe; 10. a smoke filter pipe II; 11. v-shaped smoke exhaust pipe; 12. an L-shaped smoke exhaust pipe; 13. a valve I; 14. a second valve; 15. a flue gas filter plate; 16. a plug; 17. a plug-in groove; 18. a high temperature resistant rubber strip; 19. a cover plate; 20. a cold water inlet pipe; 21. a hot water discharge pipe; 22. a diverter tray; 23. a confluence plate; 24. a flue gas heat exchange tube; 25. an inner cavity.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides a heating furnace flue gas waste heat recovery device, which is shown in fig. 1 to 4, and comprises a combined flue gas exhaust pipe 1, wherein the combined flue gas exhaust pipe 1 is fixedly connected to the top end of a heating furnace 2, one side of the combined flue gas exhaust pipe 1 is provided with a hot water tank 3, the interior of the hot water tank 3 is fixedly provided with a waste heat utilization component 4 fixedly connected with the combined flue gas exhaust pipe 1, one end of the waste heat utilization component 4, which is far away from the combined flue gas exhaust pipe 1, is fixedly provided with a flue gas exhaust pipe 5 which is inserted into the hot water tank 3, the combined flue gas exhaust pipe 1 consists of a flue gas pipe head 6, a flue gas exhaust branch pipe 7, a flue gas exhaust branch pipe 8, a flue gas filter pipe 9, a flue gas filter pipe 10, a V-shaped flue gas exhaust pipe 11 and an L-shaped flue gas exhaust pipe 12, the flue gas exhaust pipe head 6 is fixedly connected to the top end of the heating furnace 2, the flue gas exhaust branch pipe 7 and the flue gas exhaust branch pipe 8 are respectively fixedly connected to two sides of the top end of the flue gas exhaust pipe head 6, the flue gas filter pipe 9 and the flue gas filter pipe 10 are respectively fixedly connected to the other ends of the flue gas filter pipe 7 and the flue gas exhaust branch pipe 8, and the L-shaped flue gas exhaust pipe 11 is fixedly connected between the flue gas exhaust pipe 11 and the waste heat utilization component 4;
The flue gas discharged during the operation of the heating furnace 2 enters the interior of the flue gas pipe head 6, the flue gas is discharged along the first flue gas discharge branch pipe 7 or the second flue gas discharge branch pipe 8, the flue gas is filtered through the first flue gas filter pipe 9 and the second flue gas filter pipe 10, the filtered flue gas is discharged into the interior of the waste heat utilization assembly 4 along the V-shaped flue gas discharge pipe 11 and the L-shaped flue gas discharge pipe 12, the water in the hot water tank 3 is heated through the waste heat utilization assembly 4, and the heat energy is recycled;
As shown in fig. 4 and 5, a first valve 13 is arranged on each of the first smoke discharging branch pipe 7 and the second smoke discharging branch pipe 8, a second valve 14 is arranged on each of the first smoke filtering pipe 9 and the second smoke filtering pipe 10, the bottoms of the first smoke filtering pipe 9 and the second smoke filtering pipe 10 are of open structures, a smoke filtering plate 15 is arranged at the top end inside each of the first smoke filtering pipe 9 and the second smoke filtering pipe 10, the smoke filtering plate 15 is of a W-shaped structure, an inserting joint 16 is fixedly arranged at two ends of the smoke filtering plate 15, inserting grooves 17 matched with the inserting joint 16 are formed in two sides inside each of the first smoke filtering pipe 9 and the second smoke filtering pipe 10, high-temperature-resistant rubber strips 18 are fixedly arranged at two sides of the smoke filtering plate 15, and cover plates 19 are arranged on the front surfaces of the first smoke filtering pipe 9 and the second smoke filtering pipe 10;
When the flue gas enters the first flue gas filter pipe 9 or the second flue gas filter pipe 10, the flue gas filter plate 15 is of a W-shaped structure, the contact area with the flue gas can be increased, the flue gas is discharged to the top from the bottom of the flue gas filter plate 15, and accordingly the flue gas filter plate 15 is effectively prevented from being blocked, the flue gas filter plate 15 can be conveniently installed and detached through the plug 16 and the plug groove 17, when impurities in the first flue gas filter pipe 9 need to be cleaned, the valve on the first flue gas exhaust branch pipe 7 is closed, the valve on the second flue gas exhaust branch pipe 8 is opened, the flue gas is discharged along the second flue gas exhaust branch pipe 8, the valve on the first flue gas filter pipe 9 is opened, the impurities are discharged along the bottom of the first flue gas filter pipe 9, at the moment, a part of the flue gas in the V-shaped flue gas exhaust pipe 11 can flow back to the first flue gas filter pipe 9, the impurities on the flue gas filter plate 15 can be cleaned, when the impurities in the second flue gas filter pipe 10 need to be cleaned, the valve on the second flue gas filter pipe 10 is closed, and the first flue gas filter pipe 10 can be cleaned, and the dust on the first flue gas filter pipe 10 can be cleaned;
As shown in fig. 1 to 3, a cold water inlet pipe 20 is fixedly arranged in the middle of the top end of a hot water tank 3, a hot water outlet pipe 21 is fixedly arranged at one end of the bottom of the hot water tank 3, a waste heat utilization component 4 is composed of a flow distribution disc 22, a flow converging disc 23 and a plurality of flue gas heat exchange pipes 24, the flow distribution disc 22 is fixedly connected with a combined type smoke exhaust pipe 1, the flow converging disc 23 is fixedly connected with the flue gas outlet pipe 5, the flue gas heat exchange pipes 24 are fixedly connected between the flow distribution disc 22 and the flow converging disc 23, and inner cavities 25 communicated with the flue gas heat exchange pipes 24 are respectively formed in the flow distribution disc 22 and the flow converging disc 23;
The flue gas enters into the flow distribution disc 22 to realize the flow distribution, then is discharged to the converging disc 23 along a plurality of flue gas heat exchange tubes 24, and the water inside the hot water tank 3 is heated through the flue gas heat exchange tubes 24, so that the recycling of heat energy is realized, the heating efficiency can be improved, and finally, the flue gas is discharged along the flue gas discharge pipe 5.
In operation, through setting up by smoke discharging pipe head, smoke discharging branch pipe I, smoke discharging branch pipe II, smoke filtering pipe I, smoke filtering pipe II, V type smoke discharging pipe and L type smoke discharging pipe constitute the combination formula smoke discharging pipe, can make the flue gas discharge along two pipelines in turn, thereby can be convenient for clear up the maintenance to the filter in turn, the discharge of flue gas can not be interrupted in the clearance process, through being provided with flue gas filter, the bayonet joint, high temperature resistant rubber strip and apron, thereby can realize filtering the flue gas, guarantee the cleanliness of flue gas, avoid causing air pollution, also avoid causing the waste heat utilization subassembly to take place to block up, the dust impurity that the clearance was got off is convenient for clear up simultaneously; through being provided with the hot-water tank and by the flow distribution plate, converging the waste heat utilization subassembly that dish and a plurality of flue gas heat exchange tube constitute, can utilize the waste heat to heat hot water to realized the effective recycle to flue gas waste heat, avoided causing the waste of heat energy, through setting up a plurality of dry flue gas heat exchange tubes, can improve the area of contact with water, thereby improve heat conduction efficiency.
Claims (5)
1. The utility model provides a heating furnace flue gas waste heat recovery device, includes combination formula exhaust pipe (1), its characterized in that: the combined smoke exhaust pipe (1) is fixedly connected to the top end of the heating furnace (2), one side of the combined smoke exhaust pipe (1) is provided with a hot water tank (3), the inside of the hot water tank (3) is fixedly provided with a waste heat utilization component (4) fixedly connected with the combined smoke exhaust pipe (1), one end of the waste heat utilization component (4) far away from the combined smoke exhaust pipe (1) is fixedly provided with a smoke exhaust pipe (5) inserted in the hot water tank (3), the combined smoke exhaust pipe (1) consists of a smoke exhaust pipe head (6), a smoke exhaust branch pipe I (7), a smoke exhaust branch pipe II (8), a smoke filter pipe I (9), a smoke filter pipe II (10), a V-shaped smoke exhaust pipe (11) and an L-shaped smoke exhaust pipe (12), the smoke exhaust pipe head (6) is fixedly connected to the top end of the heating furnace (2), the smoke exhaust branch pipe I (7) and the smoke exhaust branch pipe II (8) are respectively fixedly connected to the two sides of the top end of the smoke exhaust pipe head (6), the smoke filter pipe I (9) and the smoke filter pipe II (10) are respectively fixedly connected to the other end of the smoke exhaust pipe II (8), the L-shaped smoke exhaust pipe (12) is fixedly connected between the V-shaped smoke exhaust pipe (11) and the waste heat utilization component (4).
2. The heating furnace flue gas waste heat recovery device according to claim 1, wherein: the smoke exhaust branch pipe I (7) and the smoke exhaust branch pipe II (8) are respectively provided with a valve I (13), the smoke filter pipe I (9) and the smoke filter pipe II (10) are respectively provided with a valve II (14), and the bottoms of the smoke filter pipe I (9) and the smoke filter pipe II (10) are respectively of an open structure.
3. The heating furnace flue gas waste heat recovery device according to claim 1, wherein: the utility model discloses a flue gas filter tube, including flue gas filter tube (9), flue gas filter tube (10), flue gas filter plate (15) are all provided with flue gas filter plate (15), flue gas filter plate (15) both ends are all fixed be provided with bayonet joint (16), flue gas filter tube (9) and flue gas filter tube (10) inside both sides all offer with bayonet joint (16) assorted spliced groove (17), flue gas filter plate (15) both sides are all fixed be provided with high temperature resistant rubber strip (18), flue gas filter tube (9) and flue gas filter tube (10) openly all are provided with apron (19).
4. The heating furnace flue gas waste heat recovery device according to claim 1, wherein: the middle position of the top end of the hot water tank (3) is fixedly provided with a cold water inlet pipe (20), and one end of the bottom of the hot water tank (3) is fixedly provided with a hot water outlet pipe (21).
5. The heating furnace flue gas waste heat recovery device according to claim 1, wherein: the waste heat utilization assembly (4) is composed of a flow distribution disc (22), a converging disc (23) and a plurality of flue gas heat exchange tubes (24), the flow distribution disc (22) is fixedly connected with the combined smoke exhaust pipe (1), the converging disc (23) is fixedly connected with the flue gas exhaust pipe (5), the flue gas heat exchange tubes (24) are fixedly connected between the flow distribution disc (22) and the converging disc (23), and inner cavities (25) communicated with the flue gas heat exchange tubes (24) are formed in the flow distribution disc (22) and the converging disc (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323106565.1U CN221123107U (en) | 2023-11-17 | 2023-11-17 | Flue gas waste heat recovery device of heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323106565.1U CN221123107U (en) | 2023-11-17 | 2023-11-17 | Flue gas waste heat recovery device of heating furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221123107U true CN221123107U (en) | 2024-06-11 |
Family
ID=91342666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323106565.1U Active CN221123107U (en) | 2023-11-17 | 2023-11-17 | Flue gas waste heat recovery device of heating furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221123107U (en) |
-
2023
- 2023-11-17 CN CN202323106565.1U patent/CN221123107U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208846493U (en) | A kind of integrated side fish stove of Waste Heat Recovery | |
| CN204100585U (en) | Condensing heat exchanger and there is its forced exhaust gas water heater | |
| CN206338930U (en) | Energy-saving environmental protection boiler | |
| CN221123107U (en) | Flue gas waste heat recovery device of heating furnace | |
| CN204006649U (en) | A kind of multitube high temperature hot-blast furnace | |
| CN210662893U (en) | Domestic heating stove environmental protection fume extractor | |
| CN101650073A (en) | Baffled hot-blast stove | |
| CN100549553C (en) | Taking-out back water reciprocating flue type boiler | |
| CN204943883U (en) | A kind of heating boiler of hot tail gas Heat Treatment device | |
| CN204630042U (en) | A kind of hot-blast stove with automatic cleaning function | |
| CN203533872U (en) | Biomass double-flue counter-burning water heating heat-supply device | |
| CN209893388U (en) | Novel high-efficiency energy-saving radiant tube | |
| CN112648677A (en) | Domestic novel energy-concerving and environment-protective heating stove | |
| CN201449007U (en) | A turn-back flow coal burning hot air furnace | |
| CN111189349A (en) | Dust-removing heat-exchanging device for combustion furnace | |
| CN217763933U (en) | Boiler body of condensation boiler | |
| CN204786418U (en) | Be applied to I type two -stage heat exchanger of radiant tube nozzle | |
| CN101021358B (en) | Energy conserving environmental protective non-pressure heating furnace | |
| CN201053748Y (en) | Coal-fired water-heater | |
| CN112097530A (en) | Novel preheated air heat exchanger | |
| CN221505694U (en) | Waste heat utilization device of ceramic kiln | |
| CN216047808U (en) | Waste heat recovery device for fully utilizing boiler flue gas | |
| CN220303713U (en) | Energy saver for waste discharge pipeline of gas stove | |
| CN216755742U (en) | Auxiliary device for coke oven heat transfer of coking plant | |
| CN220524680U (en) | Roller kiln waste heat recovery device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |