CN212673906U

CN212673906U - Smoke heater with stable heating effect

Info

Publication number: CN212673906U
Application number: CN202021276742.4U
Authority: CN
Inventors: 李玉荣; 孙伯洲
Original assignee: Tianjin Puhui Energy Saving And Environmental Protection Equipment Co ltd
Current assignee: Tianjin Puhui Energy Saving And Environmental Protection Equipment Co ltd
Priority date: 2020-07-03
Filing date: 2020-07-03
Publication date: 2021-03-09
Anticipated expiration: 2030-07-03

Abstract

The utility model discloses a flue gas heater that heating effect is stable, including work jar and the heat conduction trachea of setting in the work jar, the heat conduction trachea includes intake pipe, four arc pipes, connecting pipe and outlet duct, and the one end of intake pipe communicates with the arc pipe input that the top layer set up, through the connecting pipe intercommunication between four arc pipes, and the arc pipe output that the bottom set up communicates with the one end of outlet duct, the utility model relates to a flue gas heater technical field. This flue gas heater that heating effect is stable sets up power unit through the outside at the work jar, drives the dwang and rotates for the dwang drives and cleans the pole rotation, makes and cleans the continuous arc pipe surface of brush hair and cleans, sweeps the viscous acidizing fluid of arc pipe surface accumulation, and then reduces the adhesion volume of dust on the arc pipe in the former flue gas, thereby guarantees the steady heating of the inside clean flue gas of arc pipe, simple structure, convenient to use.

Description

Smoke heater with stable heating effect

Technical Field

The utility model relates to a flue gas heater technical field specifically is a flue gas heater that heating effect is stable.

Background

The temperature of the clean flue gas discharged from the desulfurizing tower is generally in a wet saturation state between 45 ℃ and 55 ℃, and two adverse results are brought if the clean flue gas is directly discharged: firstly, the smoke lifting diffusion capacity is low, and water mist is formed near a chimney to pollute the environment, namely, the smoke flows are washed downwards; secondly, because the smoke is below the dew point, acid drops are condensed from the smoke, so-called rain pollutes the environment and causes low-temperature corrosion to equipment. Consequently set up flue gas heater behind the desulfurizing tower usually in flue gas desulfurization system, the former flue gas that utilizes the boiler to come heats flue gas after the desulfurization, makes the flue gas temperature promote to about 80 ℃ by 45 ~ 55 ℃, improves the lifting height and the diffusion capacity of clean flue gas, reduces the concentration that falls to the ground of pollutants such as SO2, dust and NOX, alleviates the condensation phenomenon of wet flue gas and alleviates to back

The heater operates in a dry-wet flue gas alternating environment, raw flue gas is reduced to about 90 ℃ from 130-150 ℃ in the heater, so that a large amount of thick acid liquid with viscosity can be generated at the hot side of the heater, the acid liquid has a strong corrosion effect on elements and a shell of the heater, and fly ash brought by the raw flue gas is extremely easy to adhere to the elements to block the normal flow of the flue gas and the heat exchange of a heat exchange element.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a flue gas heater that heating effect is stable has solved the acidizing fluid and has not only had very strong corrosive action to the component and the casing of heater, and the flying dust that former flue gas brought very easily bonds on the component, hinders the problem that the flue gas normally flows and heat transfer component heat transfer.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a flue gas heater with stable heating effect comprises a working tank and a heat conducting air pipe arranged in the working tank, wherein the heat conducting air pipe comprises an air inlet pipe, four arc-shaped guide pipes, a connecting pipe and an air outlet pipe, one end of the air inlet pipe is communicated with an arc-shaped guide pipe input end arranged at a top layer, the four arc-shaped guide pipes are communicated with each other through the connecting pipe, an arc-shaped guide pipe output end arranged at the bottommost layer is communicated with one end of the air outlet pipe, support frames are fixedly connected between the inner walls of the working tank and positioned above and below the heat conducting air pipe, the inner surfaces of the two support frames are rotatably connected with a rotating rod, cleaning rods are fixedly connected to the outer surface of the rotating rod and positioned at the top and the bottom of the arc-shaped guide pipes, the two cleaning rods are arranged in a cross shape, cleaning bristles are fixedly connected to one side of, and the right side of the working tank is fixedly connected with a power mechanism, and the output end of the power mechanism is matched with the outer surface of the first gear.

Preferably, the power mechanism comprises a motor, a seal box and a second gear, the bottom end of the motor output shaft penetrates through the seal box and extends into the seal box, the bottom of the inner cavity of the seal box is rotatably connected with the bottom of the second gear through a bearing, and the bottom end of the motor output shaft is fixedly connected with the top of the second gear.

Preferably, the left side of seal box and the right side fixed connection of working tank, the right side of working tank just is located the inside of seal box and sets up the rotary trough with second gear looks adaptation, and the surface of second gear meshes with the surface of first gear mutually, the top of motor is through the right side fixed connection of connecting block and working tank.

Preferably, the first gear and the second gear are made of glass fiber reinforced plastic materials, and a sealing ring is used for sealing between the outer surface of the output shaft of the motor and the sealing box.

Preferably, the top of the working tank is fixedly connected with an original flue gas inlet flange, and the bottom of the working tank is fixedly connected with an original flue gas outlet flange.

Preferably, the other end of intake pipe runs through the working tank and extends to the outside of working tank, and the fixed surface of the intake pipe other end is connected with net flue gas inlet flange, the other end of outlet duct runs through the working tank and extends to the outside of working tank, and the fixed surface of the outlet duct other end is connected with net flue gas outlet flange.

Advantageous effects

The utility model provides a flue gas heater with stable heating effect. Compared with the prior art, the method has the following beneficial effects:

(1) this flue gas heater that heating effect is stable sets up power unit through the outside at the work jar, drives the dwang and rotates, makes the dwang drive the cleaning rod and rotates, makes to clean the brush hair continuous and cleans arc pipe surface, sweeps the viscous acidizing fluid of arc pipe surface accumulation, and then reduces the adhesion volume of dust on the arc pipe in the former flue gas, thereby guarantees the steady heating of the inside clean flue gas of arc pipe, simple structure, convenient to use.

(2) This flue gas heater that heating effect is stable all sets up the cleaning rod through the upper and lower both sides at the arc pipe, can carry out the cleaning of full aspect to the surface of arc pipe to the cleaning rod of arc pipe top and bottom is the cross and puts the setting, can carry out the repeatability to the intrados of arc pipe and extrados part and clean, when guaranteeing that arc pipe surface is smooth clean and tidy, reduces the rotation number of turns of dwang, and clean efficiency is higher.

Drawings

Fig. 1 is a schematic external structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is a schematic structural view of the heat conducting air pipe of the present invention.

In the figure: 1. a working tank; 2. a heat conducting air pipe; 3. an air inlet pipe; 4. an arcuate conduit; 5. a connecting pipe; 6. An air outlet pipe; 7. a support frame; 8. rotating the rod; 9. a cleaning rod; 10. cleaning the bristles; 11. a first gear; 12. a power mechanism; 13. a motor; 14. a sealing box; 15. a second gear; 16. rotating the groove; 17. An original flue gas inlet flange; 18. an original flue gas outlet flange; 19. a clean flue gas inlet flange; 20. and a purified flue gas outlet flange.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a flue gas heater with stable heating effect comprises a working tank 1 and a heat conducting gas pipe 2 arranged in the working tank 1, wherein the top of the working tank 1 is fixedly connected with a raw flue gas inlet flange 17, the bottom of the working tank 1 is fixedly connected with a raw flue gas outlet flange 18, the heat conducting gas pipe 2 comprises a gas inlet pipe 3, four arc-shaped guide pipes 4, a connecting pipe 5 and a gas outlet pipe 6, one end of the gas inlet pipe 3 is communicated with the input end of the arc-shaped guide pipe 4 arranged at the top layer, the four arc-shaped guide pipes 4 are communicated with each other through the connecting pipe 5, the output end of the arc-shaped guide pipe 4 arranged at the bottommost layer is communicated with one end of the gas outlet pipe 6, the other end of the gas inlet pipe 3 penetrates through the working tank 1 and extends to the outside of the working tank 1, the surface of the other end of the gas inlet pipe 3 is fixedly connected with a clean flue gas inlet flange 19, the other end, the supporting frames 7 are fixedly connected between the inner wall of the working tank 1 and positioned above and below the heat conducting air pipe 2, the inner surfaces of the two supporting frames 7 are rotatably connected with the rotating rod 8, the outer surface of the rotating rod 8 is fixedly connected with the cleaning rods 9 at the top and the bottom of the arc-shaped guide pipe 4, the two cleaning rods 9 are arranged in a cross shape, one side of each cleaning rod 9 close to the arc-shaped guide pipe 4 is fixedly connected with cleaning bristles 10, the cleaning rods 9 are arranged at the upper side and the lower side of the arc-shaped guide pipe 4, the surface of the arc-shaped guide pipe 4 can be cleaned in an all-round manner, the cleaning rods 9 at the top and the bottom of the arc-shaped guide pipe 4 are arranged in a cross shape, the parts of the inner arc surface and the outer arc surface of the arc-shaped guide pipe 4 can be cleaned repeatedly, the surface of the arc-, the outer surface of the middle part of the rotating rod 8 is fixedly connected with a first gear 11, the right side of the working tank 1 is fixedly connected with a power mechanism 12, the output end of the power mechanism 12 is matched with the outer surface of the first gear 11, the power mechanism 12 is arranged outside the working tank 1 to drive the rotating rod 8 to rotate, so that the rotating rod 8 drives the cleaning rod 9 to rotate, the cleaning brush bristles 10 continuously clean the surface of the arc-shaped conduit 4 to sweep off viscous acid liquid accumulated on the surface of the arc-shaped conduit 4, and further the adhesion amount of dust in the original smoke on the arc-shaped conduit 4 is reduced, thereby ensuring the stable heating of the clean smoke in the arc-shaped conduit 4, the structure is simple, the use is convenient, the power mechanism 12 comprises a motor 13, a seal box 14 and a second gear 15, the motor 13 is electrically connected with an external power supply and is controlled by a control switch, and the first gear 11 and, and adopt the sealing washer to seal between the surface of motor 13 output shaft and the seal box 14 and handle, the bottom of motor 13 output shaft runs through seal box 14 and extends to inside the seal box 14, the bottom of the inner chamber of seal box 14 is passed through the bearing and is connected with the bottom of second gear 15 is rotated, the bottom of motor 13 output shaft and the top fixed connection of second gear 15, the left side of seal box 14 and the right side fixed connection of working tank 1, the right side of working tank 1 just is located the inside of seal box 14 and has seted up the rotary tank 16 with second gear 15 looks adaptation, and the surface of second gear 15 meshes with the surface of first gear 11 mutually, the top of motor 13 passes through the right side fixed connection of connecting block and working tank 1.

And those not described in detail in this specification are well within the skill of those in the art.

The during operation, former flue gas gets into through 1 tops of working tank, discharge by 1 below of working tank, clean flue gas enters into working tank 1 through intake pipe 3, flow in working tank 1 along arc pipe 4 and connecting pipe 5, finally discharge from outlet duct 6, the in-process that flows, former flue gas heats clean flue gas, and thick acidizing fluid is produced to thick on heat conduction trachea 2, the staff regularly starts motor 13's control switch, motor 13 drives 15 rotations of second gear, make first gear 11 drive dwang 8 rotate on support frame 7, make cleaning rod 9 drive clean brush hair 10 clear up arc pipe 4 surface.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

1. The utility model provides a stable gas heater of heating effect, includes work jar (1) and heat conduction trachea (2) of setting in work jar (1), its characterized in that: the heat conducting air pipe (2) comprises an air inlet pipe (3), four arc-shaped guide pipes (4), a connecting pipe (5) and an air outlet pipe (6), one end of the air inlet pipe (3) is communicated with the input end of the arc-shaped guide pipe (4) arranged at the top layer, the arc-shaped guide pipes (4) are communicated with each other through the connecting pipe (5), the output end of the arc-shaped guide pipe (4) arranged at the bottommost layer is communicated with one end of the air outlet pipe (6), supporting frames (7) are fixedly connected with the upper part and the lower part of the heat conducting air pipe (2) between the inner walls of the working tank (1), two supporting frames (7) are rotatably connected with the inner surface of each rotating rod (8), cleaning rods (9) are fixedly connected with the outer surface of each rotating rod (8) and are fixedly connected with the top part and the bottom part of each arc-shaped guide pipe (4), the cleaning rods (9) are arranged in a cross shape, the surface fixedly connected with first gear (11) at dwang (8) middle part, the right side fixedly connected with power unit (12) of work jar (1), and the output of power unit (12) and the surface looks adaptation of first gear (11).

2. The flue gas heater with stable heating effect as claimed in claim 1, wherein: the power mechanism (12) comprises a motor (13), a sealing box (14) and a second gear (15), the bottom end of an output shaft of the motor (13) penetrates through the sealing box (14) and extends into the sealing box (14), the bottom of an inner cavity of the sealing box (14) is rotatably connected with the bottom of the second gear (15) through a bearing, and the bottom end of the output shaft of the motor (13) is fixedly connected with the top of the second gear (15).

3. The flue gas heater with stable heating effect as claimed in claim 2, wherein: the left side of seal box (14) and the right side fixed connection of working tank (1), the right side of working tank (1) just is located the inside of seal box (14) and offers rotary trough (16) with second gear (15) looks adaptation, and the surface of second gear (15) meshes with the surface of first gear (11) mutually, the right side fixed connection of connecting block and working tank (1) is passed through at the top of motor (13).

4. The flue gas heater with stable heating effect as claimed in claim 2, wherein: the first gear (11) and the second gear (15) are made of glass fiber reinforced plastic materials, and the outer surface of the output shaft of the motor (13) and the seal box (14) are sealed through a seal ring.

5. The flue gas heater with stable heating effect as claimed in claim 1, wherein: the top fixedly connected with of working tank (1) has former flue gas inlet flange (17), the bottom fixedly connected with of working tank (1) has former flue gas outlet flange (18).

6. The flue gas heater with stable heating effect as claimed in claim 1, wherein: the other end of intake pipe (3) runs through working tank (1) and extends to the outside of working tank (1), and the fixed surface of the intake pipe (3) other end is connected with net flue gas inlet flange (19), the other end of outlet duct (6) runs through working tank (1) and extends to the outside of working tank (1), and the fixed surface of the outlet duct (6) other end is connected with net flue gas outlet flange (20).