CN217929922U

CN217929922U - Steam preheating mechanism for air furnace

Info

Publication number: CN217929922U
Application number: CN202222346928.8U
Authority: CN
Inventors: 黄鹏
Original assignee: Zhuhai Hongrun Thai Technology Co ltd
Current assignee: Zhuhai Hongrun Thai Technology Co ltd
Priority date: 2022-09-05
Filing date: 2022-09-05
Publication date: 2022-11-29
Anticipated expiration: 2032-09-05

Abstract

The utility model discloses a steam preheating mechanism for air furnace relates to air furnace heating field, and to current air furnace after the start-up, will reach operating temperature and need consume a large amount of resources, and the longer problem of air furnace heating operating time, the following scheme is proposed now, and it includes preheating cabinet and heating cabinet, preheating cabinet and heating cabinet homonymy fixed mounting have the outlet duct of mutual intercommunication, and keep away from one side fixed mounting of outlet duct and have the back flow of mutual intercommunication, be equipped with heat exchange mechanism in the preheating cabinet, and be equipped with soft water circulation mechanism between the bottom of preheating cabinet and the heating cabinet, the back flow is close to the outer wall upper end fixed mounting of heating cabinet and has unable adjustment base, and unable adjustment base's top fixed mounting has the motor, back flow inside pipe wall fixed mounting has the cross pole. The utility model discloses novel structure, and to the exchange stick rapid heating in order to reach operating temperature, adopt the heat loss that steam circulation mechanism can reduce steam simultaneously, and make the inside temperature remain stable of preheating cabinet.

Description

Steam preheating mechanism for air furnace

Technical Field

The utility model relates to an air furnace heating field especially relates to an air furnace preheats mechanism with steam.

Background

The method aims to solve the problems that a large amount of resources are consumed when the working temperature of the existing large-scale air furnace is reached after the large-scale air furnace is started, and the heating working time of the air furnace is long. Therefore, in order to solve such problems, we propose a steam preheating mechanism for a blast furnace.

SUMMERY OF THE UTILITY MODEL

The utility model provides a steam preheating mechanism for air furnace has solved the air furnace and has started the back, will reach operating temperature and need consume a large amount of resources, and the longer problem of air furnace heating operating time.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a steam preheating mechanism for blast furnace, includes preheating cabinet and heating cabinet, preheating cabinet and heating cabinet homonymy fixed mounting have the outlet duct of mutual intercommunication, and keep away from one side fixed mounting of outlet duct and have the back flow of mutual intercommunication, be equipped with heat exchange mechanism in the preheating cabinet, and be equipped with soft water circulation mechanism between the bottom of preheating cabinet and the heating cabinet, the back flow is close to the outer wall upper end fixed mounting of heating cabinet and has unable adjustment base, and unable adjustment base's top fixed mounting has the motor, the inside bottom fixed mounting of back flow has the cross bar, and is equipped with steam circulation mechanism between cross bar and the motor, the inside bottom fixed mounting of heating cabinet has the heating rod, and its inside bottom holds the soft water.

Preferably, heat exchange mechanism includes closing plate, exchange stick and copper sheet, the inside fixed mounting of preheating cabinet has the closing plate, and fixed mounting has a plurality of evenly distributed to run through the exchange stick of its body on the closing plate, fixed mounting has a plurality of copper sheets that are linear distribution on the barred body outer wall of exchange stick.

Preferably, the soft water circulating mechanism comprises a sewer pipe, a filter pump and a water pipe, the sewer pipe communicated with the inside of the preheating box is fixedly installed at the bottom of the preheating box, the water pipe communicated with the inside of the heating box is fixedly installed at one side of the heating box close to the preheating box, and the filter pump is fixedly installed between the water pipe and the sewer pipe.

Preferably, steam cycle mechanism includes drive gear, transmission shaft, turbofan, fluted disc and driven gear, the axis of rotation one end fixed mounting of motor has drive gear, and rotates on the back flow pipe wall and install the transmission shaft, transmission shaft top fixed mounting has drive gear, and its lower extreme fixed mounting has driven gear, the turbofan is installed in the rotation of cross bar one side, and keeps away from one side rotation of turbofan and install the fluted disc, fluted disc and the synchronous rotation of turbofan, and fluted disc and driven gear meshing, drive gear and drive gear meshing.

Preferably, unable adjustment base's top fixed mounting has fixed montant, and fixed montant overlaps in the axis of rotation of motor, one side fixed mounting that unable adjustment base is close to the heating cabinet has fixed horizontal pole, and fixed horizontal pole overlaps in the transmission shaft.

Preferably, a plurality of barrier plates with the same mechanism are fixedly arranged inside the preheating box, and a filter screen is fixedly arranged at the bottom of the preheating box.

Preferably, a plurality of uniformly distributed V-shaped baffles are fixedly arranged in the middle of the interior of the heating box.

The utility model has the advantages that:

1. the inside U-shaped vestibule that forms through the barrier plate of the device's preheating cabinet can make hot steam fully contact with the exchange stick to heat blast furnace internal environment through the exchange pipe, reduced the consumption of the energy.

2. The steam circulation mechanism arranged in the return pipe of the device can accelerate the circulation of the steam in the air outlet pipe and the return pipe, reduce the heat loss of the steam in the circulation process and enable the exchange rod to continuously maintain the working temperature.

In conclusion, the device can heat the exchange rod rapidly to reach the working temperature when in use, and meanwhile, the heat loss of the steam can be reduced by adopting the steam circulation mechanism, and the temperature in the preheating box is kept stable.

Drawings

Fig. 1 is a schematic structural view of a steam preheating mechanism for an air furnace of the present invention;

fig. 2 is a schematic view of the internal structure of a steam preheating mechanism for an air furnace according to the present invention;

fig. 3 is an enlarged schematic view of a part a of the steam preheating mechanism for an air furnace of the present invention shown in fig. 2;

fig. 4 is a bottom view of the steam preheating mechanism for the blast furnace of the present invention.

Reference numbers in the figures: 1. a preheating box; 2. sealing plates; 3. exchanging rods; 4. a blocking plate; 5. a copper sheet; 6. an air outlet pipe; 7. a return pipe; 8. a filter screen; 9. a sewer pipe; 10. a filtration pump; 11. a water delivery pipe; 12. a heating box; 13. a V-shaped baffle; 14. a heating rod; 15. a fixed base; 16. a motor; 17. fixing the vertical rod; 18. fixing the cross bar; 19. a drive gear; 20. a transmission gear; 21. a drive shaft; 22. a turbofan; 23. a cross bar; 24. a fluted disc; 25. a driven gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a steam preheating mechanism for an air furnace, including preheating cabinet 1 and heating cabinet 12, preheating cabinet 1 and heating cabinet 12 homonymy fixed mounting have outlet duct 6 of mutual intercommunication, and keep away from one side fixed mounting of outlet duct 6 and have a back flow 7 of mutual intercommunication, be equipped with heat exchange mechanism in the preheating cabinet 1, heat exchange mechanism includes closing plate 2, exchange stick 3 and copper sheet 5, the inside fixed mounting of preheating cabinet 1 has closing plate 2, and fixed mounting has a plurality of evenly distributed to run through exchange stick 3 of its body on closing plate 2, fixed mounting has a plurality of copper sheets 5 that are linear distribution on the barred body outer wall of exchange stick 3, the inside fixed mounting of preheating cabinet 1 has the same barrier plate 4 of a plurality of mechanisms, and the bottom fixed mounting of preheating cabinet 1 has filter screen 8, inside through barrier plate 4 formation U-shaped gallery, can make the steam fully contact with the exchange stick.

Referring to fig. 1-3, a soft water circulating mechanism is arranged between the bottom of the preheating tank 1 and the heating tank 12, the soft water circulating mechanism includes a downcomer 9, a filter pump 10 and a conduit pipe 11, the downcomer 9 is fixedly installed at the bottom of the preheating tank 1 and is communicated with the inside of the preheating tank, a conduit pipe 11 is fixedly installed at one side of the heating tank 12 close to the preheating tank 1 and is communicated with the inside of the preheating tank, a filter pump 10 is fixedly installed between the conduit pipe 11 and the downcomer 9, hot water dropping due to condensation of hot steam in the preheating tank 1 drops from the bottom of the preheating tank 1 at the position of the filter screen 8 and enters the filter pump 10 through the downcomer 9, and the soft water is conveyed to the inside of the heating tank 12 through the filter pump 10 to form a closed circulating system.

Referring to fig. 1-4, a fixed base 15 is fixedly installed at the upper end of the outer wall of the return pipe 7 close to the heating box 12, a motor 16 is fixedly installed at the top end of the fixed base 15, a cross rod 23 is fixedly installed on the inner wall of the return pipe 7, a steam circulation mechanism is arranged between the cross rod 23 and the motor 16, the steam circulation mechanism comprises a driving gear 19, a transmission gear 20, a transmission shaft 21, a turbofan 22, a fluted disc 24 and a driven gear 25, the driving gear 19 is fixedly installed at one end of a rotating shaft of the motor 16, the transmission shaft 21 is rotatably installed on the pipe wall of the return pipe 7, the transmission gear 20 is fixedly installed at the top end of the transmission shaft 21, the driven gear 25 is fixedly installed at the lower end of the transmission shaft, the turbofan 22 is rotatably installed at one side of the cross rod 23, the fluted disc 24 is rotatably installed at one side far away from the turbofan 22, the fluted disc 24 and the turbofan 22 rotate synchronously, the fluted disc 24 and the driven gear 25 are meshed, the driving gear 19 and the transmission gear 20 is meshed with the exchange rod 3, so that the hot steam can be helped to rapidly contact the copper sheets 5 and the heat loss in the transmission process can be reduced.

Referring to fig. 1-3, a heating rod 14 is fixedly mounted at the bottom end inside a heating box 12, soft water is contained at the bottom end inside the heating box, a fixing vertical rod 17 is fixedly mounted at the top end of a fixing base 15, the fixing vertical rod 17 is sleeved on a rotating shaft of a motor 16, a fixing cross rod 18 is fixedly mounted on one side, close to the heating box 12, of the fixing base 15, the fixing cross rod 18 is sleeved on a transmission shaft 21, the steam circulation mechanism can work stably, a plurality of uniformly distributed V-shaped baffles 13 are fixedly mounted in the middle inside the heating box 12, hot steam can slowly rise, and excessive water loss is prevented.

The working principle is as follows: when the device works, soft water is heated through a heating rod 14 at the bottom of a heating box 12, generated hot steam passes through a V-shaped baffle 13, at the moment, a motor 16 works to drive a driving gear 19 to rotate, the driving gear 19 drives a transmission gear 20 to drive a transmission shaft 21 to rotate, a driven gear 25 is driven to rotate, the driven gear 25 drives a fluted disc 24 to rotate, a turbofan 22 is driven to synchronously rotate, the hot steam enters the preheating box 1 through an air outlet pipe 6, the hot steam is contacted with a copper sheet 5 through a baffle plate 4, heat is transferred to an exchange rod 3 through heat transfer, the transferred hot steam enters a return pipe 7 and circulates between the heating box 12 and the preheating box 1 through a steam circulation mechanism, hot water condensed and dropped from a filter screen 8 inside the preheating box 1 falls to the bottom of the preheating box 1 and then enters a filter pump 10 through a sewer pipe 9, the soft water is conveyed to the inside of the heating box 12 through the filter pump 10, and the purpose of circular heating is achieved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a steam preheating mechanism for blast furnace, includes preheating cabinet (1) and heating cabinet (12), its characterized in that, preheating cabinet (1) and heating cabinet (12) homonymy fixed mounting have outlet duct (6) of mutual intercommunication, and keep away from one side fixed mounting of outlet duct (6) and have back flow (7) of mutual intercommunication, be equipped with heat exchange mechanism in preheating cabinet (1), and be equipped with soft water circulation mechanism between the bottom of preheating cabinet (1) and heating cabinet (12), back flow (7) are close to outer wall upper end fixed mounting of heating cabinet (12) has unable adjustment base (15), and the top fixed mounting of unable adjustment base (15) has motor (16), back flow (7) inner wall fixed mounting has cross rod (23), and is equipped with steam circulation mechanism between cross rod (23) and motor (16), the inside bottom fixed mounting of heating cabinet (12) has heating rod (14), and its inside bottom holds soft water.

2. The steam preheating mechanism for the blast furnace according to claim 1, wherein the heat exchange mechanism comprises a sealing plate (2), an exchange rod (3) and a copper sheet (5), the sealing plate (2) is fixedly installed inside the preheating box (1), the sealing plate (2) is fixedly installed with a plurality of exchange rods (3) which are uniformly distributed and penetrate through the body of the preheating box, and the outer wall of the rod body of the exchange rod (3) is fixedly installed with a plurality of copper sheets (5) which are linearly distributed.

3. The steam preheating mechanism for the air furnace according to claim 1, wherein the soft water circulating mechanism comprises a downcomer (9), a filter pump (10) and a water pipe (11), the downcomer (9) communicated with the inside of the preheating box (1) is fixedly installed at the bottom of the preheating box (1), the water pipe (11) communicated with the inside of the heating box (12) is fixedly installed at one side of the heating box (1), and the filter pump (10) is fixedly installed between the water pipe (11) and the downcomer (9).

4. The steam preheating mechanism for the air furnace, according to claim 1, characterized in that the steam circulation mechanism comprises a driving gear (19), a transmission gear (20), a transmission shaft (21), a turbofan (22), a fluted disc (24) and a driven gear (25), the driving gear (19) is fixedly mounted at one end of a rotating shaft of the motor (16), the transmission shaft (21) is rotatably mounted on a pipe wall of the return pipe (7), the transmission gear (20) is fixedly mounted at the top end of the transmission shaft (21), the driven gear (25) is fixedly mounted at the lower end of the transmission shaft, the turbofan (22) is rotatably mounted on one side of the cross rod (23), the fluted disc (24) is rotatably mounted on one side of the return pipe away from the turbofan (22), the fluted disc (24) and the turbofan (22) rotate synchronously, the fluted disc (24) is meshed with the driven gear (25), and the driving gear (19) is meshed with the transmission gear (20).

5. The steam preheating mechanism for the blast furnace as claimed in claim 4, wherein a fixing vertical rod (17) is fixedly installed at the top end of the fixing base (15), the fixing vertical rod (17) is sleeved on the rotating shaft of the motor (16), a fixing cross rod (18) is fixedly installed at one side of the fixing base (15) close to the heating box (12), and the fixing cross rod (18) is sleeved on the transmission shaft (21).

6. The steam preheating mechanism for the blast furnace according to claim 1, wherein a plurality of blocking plates (4) with the same mechanism are fixedly installed inside the preheating box (1), and a filter screen (8) is fixedly installed at the bottom of the preheating box (1).

7. The steam preheating mechanism for the blast furnace as set forth in claim 1, wherein a plurality of evenly distributed V-shaped baffles (13) are fixedly installed in the middle inside the heating box (12).