CN210861056U

CN210861056U - Pipeline connecting device of tubular superheater

Info

Publication number: CN210861056U
Application number: CN201921269789.5U
Authority: CN
Inventors: 尹晓航; 宋泽锋; 贾长记; 李艳
Original assignee: Jinan Tangzheng Boiler Equipment Co ltd
Current assignee: Jinan Tangzheng Boiler Equipment Co ltd
Priority date: 2019-08-06
Filing date: 2019-08-06
Publication date: 2020-06-26
Anticipated expiration: 2029-08-06

Abstract

The utility model relates to a pipe connection technical field just discloses a pipe connection device of tubular over heater, including the temperature display body, the bottom fixedly connected with air duct of temperature display body, the bottom fixedly connected with protection casing of temperature display body, the outer wall fixedly connected with sealing ring of air duct, the bottom fixedly connected with fixed block of protection casing, the top fixedly connected with connecting axle of fixed block, the inner wall fixedly connected with connecting pipe of fixed block, the anticorrosive piece of inner wall fixedly connected with of connecting pipe, the one end fixedly connected with go-between of connecting pipe. This tubular superheater's pipe connection device can reach the purpose that the excellent in connection effect to solved the problem that general tubular superheater's pipe connection device connection effect is not good, can guarantee the effective even heat transfer of superheater pipe, ensured the even of flue gas velocity of flow, improved the thermal efficiency of boiler, reduced the heat deviation of superheater pipe.

Description

Pipeline connecting device of tubular superheater

Technical Field

The utility model relates to a pipe connection technical field specifically is a pipe connection of tubular over heater device.

Background

The superheater is a part in the boiler that further heats steam from a saturation temperature to a superheat temperature, and is also called a steam superheater. The superheater can be divided into a convection type, a radiation type and a semi-radiation type according to the heat transfer mode; according to the structure characteristics, the device can be divided into a serpentine tube type, a screen type, a wall type and a wall wrapping type. They are all composed of a plurality of parallel pipes and inlet and outlet headers. Most industrial boilers are not equipped with superheaters, since many industrial processes and living facilities only require saturated steam. In power stations, locomotives and marine boilers, superheaters are generally installed to improve the cycle thermal efficiency of the entire steam power plant. The water content in the exhaust steam of the steam turbine can be reduced by adopting superheated steam. The temperature of the superheated steam is determined by factors such as the pressure of the boiler, the evaporation capacity, the high-temperature resistance of steel, the fuel-steel ratio and the like. At present, the pipe connection device connecting effect of the superheater of most of superheaters is not good, thereby resulting in that the superheater pipe always has thermal deviation, affecting the thermal efficiency of the boiler, not enabling the effective uniform heat absorption of the superheater pipe, bringing inconvenience to the use of people, and being incapable of meeting the use requirements of people.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a tubular over heater's pipe connection device possesses advantages such as the connection effect is good, has solved the not good problem of general tubular over heater's pipe connection device connection effect.

(II) technical scheme

For the pipe connection device who realizes above-mentioned this tubular over heater possess the good purpose of excellent in connection effect, the utility model provides a following technical scheme: a pipeline connecting device of a tubular superheater comprises a temperature display body, wherein an air guide pipe is fixedly connected to the bottom of the temperature display body, a protective cover is fixedly connected to the bottom of the temperature display body, a sealing ring is fixedly connected to the outer wall of the air guide pipe, a fixed block is fixedly connected to the bottom of the protective cover, a connecting shaft is fixedly connected to the top of the fixed block, a connecting pipe is fixedly connected to the inner wall of the fixed block, an anti-corrosion sheet is fixedly connected to the inner wall of the connecting pipe, a connecting ring is fixedly connected to one end of the connecting pipe, a superheater pipe is movably connected to the outer wall of the connecting ring, a fastening ring is fixedly connected to one side of the fixed block, a fastening plate is fixedly connected to the outer wall of the fastening ring, a bolt is movably connected to the inner wall of, the bottom fixedly connected with backup pad of fixed block, the bottom fixedly connected with diaphragm of backup pad, the fixed orifices has been seted up in the front of diaphragm, the inner wall swing joint of fixed orifices has rag bolt.

Preferably, the number of diaphragm is two, and two diaphragms use the perpendicular bisector of backup pad as symmetry axis symmetry setting.

Preferably, the number of the fastening rings is two, and the two fastening rings are symmetrically arranged by taking a horizontal middle line passing through the connecting ring as a symmetry axis.

Preferably, the one end of air duct runs through the top of fixed block and extends to the inside of fixed block, and the outer wall of air duct and the inner wall fixed connection of sealing ring, and the sealing ring is the fluororubber sealing ring.

Preferably, one end of the bolt penetrates through the bottom of the fastening plate and extends to the top of the fastening plate, the outer wall of the fastening ring is fixedly connected with one side of the fastening plate, and the number of the fastening plates is two.

Preferably, the number of the fixing holes is eight, and four fixing holes are in one group, and each group of fixing holes are distributed in the transverse plate in an equidistant mode.

Preferably, the bottom of the fastening plate is movably connected with a sealing tape, and the sealing tape is a fluororubber sealing tape.

(III) advantageous effects

Compared with the prior art, the utility model provides a pipe connection device of tubular over heater possesses following beneficial effect:

1. this pipe type superheater's pipe connection device, fixed block through setting up, the connecting axle, the tighrening ring, the go-between, the sealing ring, anticorrosive piece, mutually supporting of connecting pipe and backup pad is used, can reach the purpose that the excellent in connection effect, thereby the problem that general pipe type superheater's pipe connection device connection effect is not good has been solved, can guarantee the effective even heat transfer of superheater pipe, ensure the even of flue gas velocity of flow, improved the thermal efficiency of boiler, the heat deviation of superheater pipe has been reduced.

2. This pipe superheater's pipe connection device through anticorrosive piece and the go-between that sets up, can reach anticorrosive effect, can effectually prevent that the connecting pipe from being corroded by the gas in the superheater pipe when using for a long time, has played the guard action, has made things convenient for people's use, satisfies people's user demand.

3. This pipe superheater's pipeline connecting device through air duct and the temperature display body that sets up, can reach the effect that shows the temperature, the inside temperature condition of each stage of understanding that the staff can be accurate to the staff better knows the temperature variation of superheater pipe.

Drawings

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

fig. 2 is a side view of the present invention;

fig. 3 is an enlarged view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a superheater tube; 2. a transverse plate; 3. a corrosion-resistant sheet; 4. a fixing hole; 5. a support plate; 6. a connecting pipe; 7. a connecting shaft; 8. a fixed block; 9. an air duct; 10. a temperature display body; 11. a protective cover; 12. a seal ring; 13. anchor bolts; 14. a connecting ring; 15. a gasket; 16. sealing tape; 17. a nut; 18. a bolt; 19. a fastening plate; 20. and (5) fastening the ring.

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, a pipeline connecting device for a tubular superheater comprises a temperature display body 10, wherein a gas guide tube 9 is fixedly connected to the bottom of the temperature display body 10, a temperature display effect can be achieved through the gas guide tube 9 and the temperature display body 10, a worker can accurately know the temperature condition inside each stage so that the worker can better know the temperature change of the superheater tube 1, a protective cover 11 is fixedly connected to the bottom of the temperature display body 10, a sealing ring 12 is fixedly connected to the outer wall of the gas guide tube 9, a fixed block 8 is fixedly connected to the bottom of the protective cover 11, one end of the gas guide tube 9 penetrates through the top of the fixed block 8 and extends into the fixed block 8, the outer wall of the gas guide tube 9 is fixedly connected to the inner wall of the sealing ring 12, and the sealing ring 12 is a fluororubber sealing ring, through the use of the fluororubber sealing, the air-tight and high temperature resistant effects of the air duct 9 are better, the top of the fixing block 8 is fixedly connected with the connecting shaft 7, the inner wall of the fixing block 8 is fixedly connected with the connecting pipe 6, the inner wall of the connecting pipe 6 is fixedly connected with the anti-corrosion sheet 3, one end of the connecting pipe 6 is fixedly connected with the connecting ring 14, the anti-corrosion effect can be achieved through the arranged anti-corrosion sheet 3 and the connecting ring 14, the connecting pipe can be effectively prevented from being corroded by gas in the superheater pipe 1 when being used for a long time, the protection effect is achieved, the use of people is facilitated, the use requirements of people are met, the outer wall of the connecting ring 14 is movably connected with the superheater pipe 1, one side of the fixing block 8 is fixedly connected with the fastening rings 20, the number of the fastening rings 20 is two, the two fastening rings 20 are symmetrically arranged by taking the horizontal, the bottom of the fastening plate 19 is movably connected with a sealing belt 16, the sealing belt 16 is a fluororubber sealing belt, and the use of the fluororubber sealing belt 16 improves the air tightness and high temperature resistance of the fastening ring 20, the inner wall of the fastening plate 19 is movably connected with bolts 18, one ends of the bolts 18 penetrate through the bottom of the fastening plate 19 and extend to the top of the fastening plate 19, the outer wall of the fastening ring 20 is fixedly connected with one side of the fastening plate 19, the number of the fastening plates 19 is two, the outer wall of the bolts 18 is movably connected with nuts 17, the outer wall of the bolts 18 is movably connected with gaskets 15, the bottom of the fixing block 8 is fixedly connected with a support plate 5, the connecting shaft 7, the fastening ring 20, the connecting ring 14, the sealing ring 12, the anti-corrosion sheet 3, the connecting pipe 6 and the support plate 5 are matched with each other, so that the purpose of good connecting effect can be achieved, and the problem, can guarantee effective even heat transfer of superheater pipe 1, ensure the even of flue gas velocity of flow, the thermal efficiency of boiler has been improved, the heat deviation of superheater pipe 1 has been reduced, the bottom fixedly connected with diaphragm 2 of backup pad 5, the quantity of diaphragm 2 is two, and two diaphragms 2 use the perpendicular bisector of backup pad 5 to set up as symmetry axis symmetry, fixed orifices 4 have been seted up in diaphragm 2's front, the quantity of fixed orifices 4 is eight, and four fixed orifices 4 are a set of, and every fixed orifices 4 of group is equidistant mode and distributes in the inside of diaphragm 2, the inner wall swing joint of fixed orifices 4 has rag bolt 13.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

When the temperature display device is used, the superheater tube 1 is placed into the fastening ring 20, the sealing band 16 fastens the superheater tube 1, the fastening ring 20 fastens the sealing band 16, the nut 17 is screwed to complete connection of the superheater tube 1, the pipeline connecting device is fixed through the fixing hole 4, gas is conveyed through the gas guide pipe 9, and the temperature display device body 10 displays the gas temperature.

In conclusion, this pipe connection device of tubular superheater has reached the purpose that the joining effect is good, has guaranteed the even heat transfer of superheater pipe 1, has improved the thermal efficiency of boiler, has made things convenient for people's use, satisfies people's user demand.

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. A pipe connection device of a tubular superheater comprises a temperature display body (10), and is characterized in that: the bottom fixedly connected with air duct (9) of temperature monitor body (10), the bottom fixedly connected with protection casing (11) of temperature monitor body (10), the outer wall fixedly connected with sealing ring (12) of air duct (9), the bottom fixedly connected with fixed block (8) of protection casing (11), the top fixedly connected with connecting axle (7) of fixed block (8), the inner wall fixedly connected with connecting pipe (6) of fixed block (8), the inner wall fixedly connected with anticorrosive coating (3) of connecting pipe (6), one end fixedly connected with go-between (14) of connecting pipe (6), the outer wall swing joint of go-between (14) has superheater pipe (1), one side fixedly connected with tighrening ring (20) of fixed block (8), the outer wall fixedly connected with mounting plate (19) of tighrening ring (20), the inner wall swing joint of mounting plate (19) has bolt (18), the outer wall swing joint of bolt (18) has nut (17), the outer wall swing joint of bolt (18) has gasket (15), the bottom fixedly connected with backup pad (5) of fixed block (8), the bottom fixedly connected with diaphragm (2) of backup pad (5), fixed orifices (4) have been seted up in the front of diaphragm (2), the inner wall swing joint of fixed orifices (4) has rag bolt (13).

2. The pipe connection device of a tubular superheater according to claim 1, characterized in that: the quantity of diaphragm (2) is two, and two diaphragm (2) use the perpendicular bisector of backup pad (5) to set up as symmetry axis symmetry.

3. The pipe connection device of a tubular superheater according to claim 1, characterized in that: the number of the fastening rings (20) is two, and the two fastening rings (20) are symmetrically arranged by taking a horizontal center line passing through the connecting ring (14) as a symmetry axis.

4. The pipe connection device of a tubular superheater according to claim 1, characterized in that: one end of the air duct (9) penetrates through the top of the fixing block (8) and extends to the inside of the fixing block (8), the outer wall of the air duct (9) is fixedly connected with the inner wall of the sealing ring (12), and the sealing ring (12) is a fluororubber sealing ring.

5. The pipe connection device of a tubular superheater according to claim 1, characterized in that: one end of each bolt (18) penetrates through the bottom of the fastening plate (19) and extends to the top of the fastening plate (19), the outer wall of the fastening ring (20) is fixedly connected with one side of the fastening plate (19), and the number of the fastening plates (19) is two.

6. The pipe connection device of a tubular superheater according to claim 1, characterized in that: the number of the fixing holes (4) is eight, the four fixing holes (4) form a group, and each group of fixing holes (4) are distributed in the transverse plate (2) in an equidistant mode.

7. The pipe connection device of a tubular superheater according to claim 1, characterized in that: the bottom of the fastening plate (19) is movably connected with a sealing tape (16), and the sealing tape (16) is a fluororubber sealing tape.