CN217210422U

CN217210422U - Tail heat absorption device of saturated steam boiler

Info

Publication number: CN217210422U
Application number: CN202220882140.6U
Authority: CN
Inventors: 杨占福; 蔺海刚; 尚飞; 贾云龙; 郭庆
Original assignee: Ordos Jinlong Construction And Installation Co ltd
Current assignee: Ordos Jinlong Construction And Installation Co ltd
Priority date: 2022-04-14
Filing date: 2022-04-14
Publication date: 2022-08-16
Anticipated expiration: 2032-04-14

Abstract

The utility model discloses a saturated steam boiler's afterbody heat sink, including first stereoplasm casing, the internal fixed surface of first stereoplasm casing is connected with the supporting shoe, the last fixed surface of supporting shoe is connected with second stereoplasm casing, the internal fixed surface of second stereoplasm casing is connected with the second pipe, the right fixed surface of second pipe is connected with third stereoplasm casing, the top inner wall fixedly connected with fourth stereoplasm casing of third stereoplasm casing, the lower fixed surface of second stereoplasm casing is connected with the intake pipe. The utility model discloses, through design guide vane, first stereoplasm casing, second stereoplasm casing and third stereoplasm casing, realize at the in-process of heat transfer, increase the turbulent degree of steam, increase the temperature difference, and the inside and outside both sides carry out the heat transfer, increase the efficiency of heat transfer, through design drainage device, recess, the in-process that realizes the device using can avoid because the drop of water that the condensation formed shifts heat, increases heat exchange efficiency.

Description

Tail heat absorption device of saturated steam boiler

Technical Field

The utility model relates to a heat sink field especially relates to saturated steam boiler's afterbody heat sink.

Background

Saturated steam enters the superheater tube from the boiler steam tube through the steam guide tube, enters the steam-water header steam part through the tube downwards, then enters the superheater tube upwards through the semicircular guide plate through the tube, then enters the steam-water header steam part downwards through the tube, bypasses the longitudinal guide plate, then enters the superheater tube upwards again through the tube, finally enters the steam-water header saturated steam downwards through the tube again, and is heated by smoke five times through five flows inside the tube to reach a certain temperature to become superheated steam. Saturated steam entering the superheater during boiler operation typically carries a small amount of moisture. The design requirement of steam humidity is not more than 0.01-0.03%.

Like the afterbody heat sink of a saturated steam boiler that introduces in patent No. CN215723145U, through the fixed connection of bolt and fixed plate, fix seal ring at air inlet and afterbody exit, increased the leakproofness between afterbody exit and the air inlet junction to realized that the heat sink can carry out better heat utilization to afterbody, steam, solved the problem that current heat sink junction heat is lost easily when using, nevertheless still have the defect:

the tail heat absorption device of some existing saturated steam boilers has the following defects:

1. the tail heat absorption device of the existing saturated steam boiler cannot effectively treat water generated by condensation;

2. the tail heat absorption device of the existing saturated steam boiler has low heat recovery efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects in the prior art and providing a tail heat absorption device of a saturated steam boiler.

In order to realize the purpose, the utility model adopts the following technical scheme: the device comprises a first hard shell, wherein a supporting block is fixedly connected to the inner surface of the first hard shell, a second hard shell is fixedly connected to the upper surface of the supporting block, a second conduit is fixedly connected to the inner surface of the second hard shell, a third hard shell is fixedly connected to the right surface of the second conduit, and a fourth hard shell is fixedly connected to the top inner wall of the third hard shell;

the air inlet pipe is fixedly connected to the lower surface of the second hard shell, a groove is formed in the lower surface of the second hard shell, an air guide pipe is fixedly connected to the lower surface of the third hard shell, guide blades are fixedly connected to the outer surface of the air guide pipe, a first guide pipe is fixedly connected to the outer surface of the air guide pipe, and a drainage device is arranged on the inner surface of the second hard shell.

As a further description of the above technical solution:

the right surface of the second hard shell is provided with an exhaust pipe, and the lower surface of the air inlet pipe extends to the lower side of the first hard shell.

As a further description of the above technical solution:

the lower surface of the first hard shell is provided with an air inlet pipe, and the rear surface of the first hard shell is provided with an air outlet pipe.

As a further description of the above technical solution:

the left surface of the second hard shell is provided with a drain pipe, and the guide vanes are distributed in an inclined mode.

As a further description of the above technical solution:

one end, far away from the air guide pipe, of each first conduit extends to the outer side of the corresponding air inlet pipe, the number of the first conduits is multiple, and supporting legs are fixedly connected to the lower surface of the first hard shell.

As a further description of the above technical solution:

the drainage device comprises a motor, a rubber wheel, a rubber ring and a connecting sheet.

As a further description of the above technical solution:

the number of the rubber rings is two, and the rubber rings are respectively connected with the second hard shell and the third hard shell in a sliding manner; the two rubber rings are fixedly connected through a connecting sheet, and the lower surface of the connecting sheet is fixedly connected with the motor.

As a further description of the above technical solution:

the output and the rubber wheel fixed connection of motor, the quantity of motor is a plurality of and annular distribution, the rubber wheel contacts with third stereoplasm casing.

The utility model discloses following beneficial effect has:

1. compared with the prior art, this saturated steam boiler's afterbody heat sink through design guide vane, first stereoplasm casing, second stereoplasm casing and third stereoplasm casing, realizes at the in-process of heat transfer, increases the turbulent degree of steam, increases the temperature difference, and inside and outside both sides carry out the heat transfer, increase the efficiency of heat transfer.

2. Compared with the prior art, the tail heat absorption device of the saturated steam boiler has the advantages that by designing the drainage device and the groove, the heat transfer of water drops formed by condensation can be avoided in the using process of the device, and the heat exchange efficiency is improved.

Drawings

Fig. 1 is a schematic view of the internal structure of the tail heat absorption device of the saturated steam boiler according to the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

FIG. 3 is an enlarged view of the structure at B in FIG. 1;

fig. 4 is a schematic view of the overall structure of the tail heat absorption device of the saturated steam boiler according to the present invention.

Illustration of the drawings:

1. a first rigid shell; 2. a second hard case; 3. a third hard case; 4. a fourth hard case; 5. supporting legs; 6. an air inlet pipe; 7. a drain pipe; 8. an exhaust pipe; 9. a second conduit; 10. a first conduit; 11. an air inlet pipe; 12. a support block; 13. a groove; 14. an air guide pipe; 15. a guide blade; 16. a drainage device; 17. a motor; 18. a rubber wheel; 19. a rubber ring; 20. and (7) connecting the sheets.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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. 1-4, the present invention provides a tail heat absorption device of a saturated steam boiler: comprises a first hard shell 1, a supporting block 12 is fixedly connected with the inner surface of the first hard shell 1, for supporting the second hard shell 2, the upper surface of the supporting block 12 is fixedly connected with the second hard shell 2, the right surface of the second hard shell 2 is provided with an exhaust pipe 8, used for discharging the steam after heat exchange is finished, the lower surface of the air inlet pipe 11 extends to the lower side of the first hard shell 1, the lower surface of the first hard shell 1 is provided with an air inlet pipe 6, the air outlet pipe is arranged on the rear surface of the first hard shell 1, the water outlet pipe 7 is arranged on the left surface of the second hard shell 2, the guide blades 15 are distributed in an inclined mode, the second guide pipe 9 is fixedly connected to the inner surface of the second hard shell 2, the third hard shell 3 is fixedly connected to the right surface of the second guide pipe 9, and the fourth hard shell 4 is fixedly connected to the top inner wall of the third hard shell 3.

The lower surface of the second hard shell 2 is fixedly connected with an air inlet pipe 11, the lower surface of the second hard shell 2 is provided with a groove 13, the lower surface of the third hard shell 3 is fixedly connected with an air guide pipe 14, the outer surface of the air guide pipe 14 is fixedly connected with a guide blade 15 for pre-rotating air flow, the outer surface of the air guide pipe 14 is fixedly connected with a first guide pipe 10, one end, away from the air guide pipe 14, of the first guide pipe 10 extends to the outer side of the air inlet pipe 11, the number of the first guide pipes 10 is multiple, the flow of air is increased, the lower surface of the first hard shell 1 is fixedly connected with a support leg 5, the inner surface of the second hard shell 2 is provided with a drainage device 16, the drainage device 16 is used for collecting water vapor on the surfaces of the second hard shell 2 and the third hard shell 3, the drainage device 16 comprises a motor 17, a rubber wheel 18, rubber rings 19 and a connecting sheet 20, the number of the two rubber rings 19 is respectively equal to that of the second hard shell 2, Third stereoplasm casing 3 sliding connection passes through connection piece 20 fixed connection between two rubber rings 19, and the lower surface and the motor 17 fixed connection of connection piece 20, the output and the rubber tyer 18 fixed connection of motor 17, and the quantity of motor 17 is a plurality of and annular distribution, and rubber tyer 18 and the contact of third stereoplasm casing 3.

The working principle is as follows: leading-in backward through intake pipe 11 with the steam of high temperature, the gas that needs the heating is leading-in through air-supply line 6, the air current part is located between first stereoplasm casing 1 and the second stereoplasm casing 2, the part gets into between third stereoplasm casing 3 and the fourth stereoplasm casing 4 through first pipe 10, thereby carry out the heat transfer, condensation appears in the cooling of heat transfer in-process steam, drainage device 16 clears up water, avoid water to reduce the speed of heat transfer, and with heat transfer.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. Saturated steam boiler's afterbody heat sink includes first stereoplasm casing (1), its characterized in that: a supporting block (12) is fixedly connected to the inner surface of the first hard shell (1), a second hard shell (2) is fixedly connected to the upper surface of the supporting block (12), a second conduit (9) is fixedly connected to the inner surface of the second hard shell (2), a third hard shell (3) is fixedly connected to the right surface of the second conduit (9), and a fourth hard shell (4) is fixedly connected to the top inner wall of the third hard shell (3);

the lower surface of the second hard shell (2) is fixedly connected with an air inlet pipe (11), the lower surface of the second hard shell (2) is provided with a groove (13), the lower surface of the third hard shell (3) is fixedly connected with an air guide pipe (14), the outer surface of the air guide pipe (14) is fixedly connected with a guide vane (15), the outer surface of the air guide pipe (14) is fixedly connected with a first guide pipe (10), and the inner surface of the second hard shell (2) is provided with a drainage device (16).

2. A saturated steam boiler aft heat absorber according to claim 1, wherein: the right surface of the second hard shell (2) is provided with an exhaust pipe (8), and the lower surface of the air inlet pipe (11) extends to the lower side of the first hard shell (1).

3. A saturated steam boiler aft heat absorber according to claim 1, wherein: the lower surface of the first hard shell (1) is provided with an air inlet pipe (6), and the rear surface of the first hard shell (1) is provided with an air outlet pipe.

4. A rear heat absorber of a saturated steam boiler according to claim 1, wherein: the left surface of the second hard shell (2) is provided with a water drainage pipe (7), and the guide blades (15) are distributed in an inclined mode.

5. A saturated steam boiler aft heat absorber according to claim 1, wherein: one end, far away from the air guide pipe (14), of the first guide pipe (10) extends to the outer side of the air inlet pipe (11), the number of the first guide pipes (10) is multiple, and the lower surface of the first hard shell (1) is fixedly connected with supporting legs (5).

6. A saturated steam boiler aft heat absorber according to claim 1, wherein: the drainage device (16) comprises a motor (17), a rubber wheel (18), a rubber ring (19) and a connecting piece (20).

7. The aft heat absorber of a saturated steam boiler according to claim 6, wherein: the number of the rubber rings (19) is two, and the rubber rings are respectively connected with the second hard shell (2) and the third hard shell (3) in a sliding manner; the two rubber rings (19) are fixedly connected through a connecting sheet (20), and the lower surface of the connecting sheet (20) is fixedly connected with a motor (17).

8. A saturated steam boiler aft heat absorber according to claim 6, wherein: the output end of the motor (17) is fixedly connected with the rubber wheel (18), the number of the motors (17) is multiple and distributed in an annular mode, and the rubber wheel (18) is in contact with the third hard shell (3).