CN214791066U

CN214791066U - Superheater for preventing overtemperature pipe explosion

Info

Publication number: CN214791066U
Application number: CN202023270200.9U
Authority: CN
Inventors: 朱志勇; 张磊; 张钧; 郭大伟
Original assignee: Siyuan Jiaotong Hebei Science And Technology Co ltd
Current assignee: Siyuan Jiaotong Hebei Science And Technology Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-11-19
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses a prevent over temperature superheater of booster, including two casings, two the second pipeline, one have all been welded to the both sides of casing the top intercommunication of second pipeline has the third pipeline, one the top intercommunication of second pipeline has first U type pipeline, through first U type pipeline, second U type pipeline, first relief valve and third relief valve, can adjust the inside atmospheric pressure of pipeline for the inside atmospheric pressure of pipeline is located steady state, has avoided leading to the pipeline booster because the difference of atmospheric pressure, thereby causes the condition that the staff received the injury to appear, through the modified serpentine channel, can increase the area of contact of steam and pipeline. Make steam can be heated by more quick, simultaneously through by the serpentine channel of modified, can make the flow rate of steam accelerate for steam is in heating other pipelines of the faster inflow after finishing, has saved operating time, has improved work efficiency.

Description

Superheater for preventing overtemperature pipe explosion

Technical Field

The utility model relates to a over heater technical field specifically is a prevent over temperature superheater of booster.

Background

The temperature of the pipe wall exceeds the designed value for some reason in operation, and the pipe wall cannot be damaged immediately as long as the overtemperature amplitude is not too large. However, when the pipe works at the overtemperature for a long time, the metallographic structure of steel can change, the creep speed is accelerated, the lasting strength is reduced, and the pipe can be burst and damaged in advance when the service life of the pipe does not reach a preset value.

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.

But current over heater structure is too simple, and large-scale enterprise needs a plurality of over heaters to work simultaneously just can satisfy the demand of enterprise, simultaneously because simple structure, the over heater breaks down easily after long-time work to take place the booster, then cause the damage of equipment gently, increased working cost, reduced work efficiency, probably make the staff receive the injury in the serious time, cause the condition of staff casualties to appear.

Therefore, the superheater for preventing overtemperature pipe explosion is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent over temperature from exploding over heater of pipe to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a prevent over temperature superheater of pipe explosion, includes two casings, two the second pipeline, one are all welded to the both sides of casing the top intercommunication of second pipeline has the third pipeline, one the top intercommunication of second pipeline has first U type pipeline, the one end intercommunication that the second pipeline was kept away from to first U type pipeline has fifth pipeline, one the top intercommunication of second pipeline has second U type pipeline, the one end intercommunication that the second pipeline was kept away from to second U type pipeline has arc pipeline, one the top intercommunication of second pipeline has the fourth pipeline, two the inside of casing is even to be equipped with serpentine pipeline, serpentine pipeline's one end all communicates in the lateral wall of second pipeline.

Preferably, the bottom of the second pipeline is connected with the first pipeline through a bolt thread.

Preferably, a first safety valve is installed on the outer side wall of the fifth pipeline.

Preferably, a third safety valve is installed on the outer side wall of the arc-shaped pipeline.

Preferably, a second safety valve is installed on the outer side wall of the fourth pipeline.

Preferably, the first fixing plate is welded to an outer side wall of the fifth pipeline.

Preferably, the end of the third pipeline far away from the second pipeline is provided with a gas valve.

Preferably, a second fixing plate is welded to an outer side wall of the fourth pipeline.

Compared with the prior art, the beneficial effects of the utility model are that:

the air pressure in the pipeline can be adjusted through the first U-shaped pipeline, the second U-shaped pipeline, the first safety valve and the third safety valve, so that the air pressure in the pipeline is in a stable state, and the condition that workers are injured due to pipe explosion caused by different air pressures is avoided;

and secondly, the contact area of steam and the pipeline can be increased through the improved serpentine pipeline. Make steam can be heated by more quick, simultaneously through by the serpentine channel of modified, can make the flow rate of steam accelerate for steam is in heating other pipelines of the faster inflow after finishing, has saved operating time, has improved work efficiency.

Drawings

FIG. 1 is a perspective view of the present invention;

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

FIG. 3 is a sectional structure diagram of the shell of the present invention;

fig. 4 is an enlarged schematic view of the structure of the region a in fig. 2 according to the present invention.

In the figure: 1. a housing; 2. a first conduit; 3. a second conduit; 4. a third pipeline; 5. a first U-shaped pipe; 6. a gas valve; 7. a second U-shaped tube; 8. an arc tube; 9. a fourth conduit; 10. a fifth pipeline; 11. a first fixing plate; 12. a first safety valve; 13. a serpentine conduit; 14. a second relief valve; 15. a bolt; 16. a third relief valve; 17. and a second fixing plate.

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.

Examples

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a prevent over temperature superheater of pipe explosion, including two casings 1, second pipeline 3 has all been welded to the both sides of two casings 1, the top intercommunication of a second pipeline 3 has third pipeline 4, the top intercommunication of a second pipeline 3 has first U type pipeline 5, the one end intercommunication that second pipeline 3 was kept away from to first U type pipeline 5 has fifth pipeline 10, the top intercommunication of a second pipeline 3 has second U type pipeline 7, the one end intercommunication that second pipeline 3 was kept away from to second U type pipeline 7 has arc pipeline 8, the top intercommunication of a second pipeline 3 has fourth pipeline 9, the inside of two casings 1 is even is equipped with serpentine pipeline 13, serpentine pipeline 13's one end all communicates in the lateral wall of second pipeline 3.

It should be noted that the bottom of the second pipeline 3 is connected with the first pipeline 2 through a bolt 15; through the arrangement, steam can be input into the second pipeline 3 through the first pipeline 2, so that the steam can be heated more conveniently, and meanwhile, the steam can flow more quickly, so that the steam heating process is saved, and the first safety valve 12 is installed on the outer side wall of the fifth pipeline 10; through the arrangement, when the pressure in the fifth pipeline 10 is too high or too low, the air pressure in the fifth pipeline 10 can be adjusted through the first safety valve 12, the situation that the fifth pipeline 10 is broken due to the problem of internal air pressure is avoided, and the third safety valve 16 is installed on the outer side wall of the arc-shaped pipeline 8; through the arrangement, when the pressure in the arc-shaped pipeline 8 is too high or too low, the air pressure in the arc-shaped pipeline 8 can be adjusted through the third safety valve 16, the situation that the arc-shaped pipeline 8 is broken due to the problem of internal air pressure is avoided, and the second safety valve 14 is installed on the outer side wall of the fourth pipeline 9; through the above arrangement, when the pressure inside the fourth pipeline 9 is too large or too small, the air pressure inside the fourth pipeline 9 can be adjusted through the second safety valve 14, and the situation that the fourth pipeline 9 is broken due to the problem of the internal air pressure is avoided.

It should be further explained that the first fixing plate 11 is welded to the outer side wall of the fifth pipeline 10; through the arrangement, the position of the fifth pipeline 10 can be more conveniently fixed and cannot be moved, the phenomenon that the device is damaged due to the movement of the fifth pipeline 10 is avoided, and the gas valve 6 is arranged at one end, far away from the second pipeline 3, of the third pipeline 4; through the arrangement, gas in the third pipeline 4 can be discharged, and gas accumulation in the third pipeline 4 is avoided, so that the device is damaged and cannot be normally used, and the second fixing plate 17 is welded on the outer side wall of the fourth pipeline 9; through above setting, the first more convenient position with fourth pipeline 9 carries out the fixed plate, prevents that the position of fourth pipeline 9 from appearing removing, through first fixed plate 11 and second fixed plate 17, can carry out further fixed plate with the position of this device, prevents that its condition that the slope appears or collapses.

To sum up, the utility model discloses a theory of operation or structure principle: the device further heats steam through the serpentine pipeline 13, so that the temperature of the steam is raised, and the device is convenient for subsequent use of people, although the contact time between the steam and the pipeline can be prolonged through the traditional pipeline, the circulation time of the steam is increased along with the increase of the pipeline, the structure of the pipeline is improved, the contact time between the steam and the pipeline can be increased, the steam can have longer time to be heated, meanwhile, the flowing speed of the steam is increased, the steam can flow more quickly while being heated quickly, the time is saved, the working efficiency is improved, after the steam is heated, the steam enters the first U-shaped pipeline 5 and the second U-shaped pipeline 7 respectively and is discharged into the fifth pipeline 10 and the arc-shaped pipeline 8 through the first U-shaped pipeline 5 and the second U-shaped pipeline 7 respectively, the outer side walls of the fifth pipeline 10 and the arc-shaped pipeline 8 are provided with the first safety valve 12 and the third safety valve 16 respectively, the safety valve can adjust the air pressure when the air pressure in the pipeline rises or falls, so that the air pressure in the pipeline can be kept balanced, the situation that the pipeline is broken due to unstable air pressure can not occur, the life safety of people is guaranteed, meanwhile, the positions of the fifth pipeline 10 and the fourth pipeline 9 can be fixed by the first fixing plate 11 and the second fixing plate 17, the situation that the positions of the fifth pipeline and the fourth pipeline move due to external factors is avoided, the device can enable the temperature rise of steam to be faster through the improved serpentine pipeline 13, the flowing speed is quicker, the time is saved, the working efficiency is improved, meanwhile, the air pressure in each pipeline can be adjusted more quickly through the first U-shaped pipeline 5, the second U-shaped pipeline 7, the first safety valve 12 and the third safety valve 16, and the difference of the air pressure is avoided, the pipe explosion condition of the pipeline is caused, so that the life safety of workers is guaranteed, and the working efficiency is improved.

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 prevent over temperature superheater of booster, includes two casings (1), its characterized in that: two second pipeline (3) have all been welded to the both sides of casing (1), one the top intercommunication of second pipeline (3) has third pipeline (4), one the top intercommunication of second pipeline (3) has first U type pipeline (5), the one end intercommunication that second pipeline (3) are kept away from in first U type pipeline (5) has fifth pipeline (10), one the top intercommunication of second pipeline (3) has second U type pipeline (7), the one end intercommunication that second pipeline (3) are kept away from in second U type pipeline (7) has arc pipeline (8), one the top intercommunication of second pipeline (3) has fourth pipeline (9), two the inside of casing (1) is even is equipped with snakelike pipeline (13), the one end of snakelike pipeline (13) all communicates in the lateral wall of second pipeline (3).

2. The superheater for preventing overtemperature pipe explosion according to claim 1, is characterized in that: the bottom of the second pipeline (3) is connected with the first pipeline (2) through a bolt (15) in a threaded mode.

3. The superheater for preventing overtemperature pipe explosion according to claim 1, is characterized in that: and a first safety valve (12) is arranged on the outer side wall of the fifth pipeline (10).

4. The superheater for preventing overtemperature pipe explosion according to claim 1, is characterized in that: and a third safety valve (16) is arranged on the outer side wall of the arc-shaped pipeline (8).

5. The superheater for preventing overtemperature pipe explosion according to claim 1, is characterized in that: and a second safety valve (14) is arranged on the outer side wall of the fourth pipeline (9).

6. The superheater for preventing overtemperature pipe explosion according to claim 1, is characterized in that: and a first fixing plate (11) is welded on the outer side wall of the fifth pipeline (10).

7. The superheater for preventing overtemperature pipe explosion according to claim 1, is characterized in that: and one end of the third pipeline (4) far away from the second pipeline (3) is provided with a gas valve (6).

8. The superheater for preventing overtemperature pipe explosion according to claim 1, is characterized in that: and a second fixing plate (17) is welded on the outer side wall of the fourth pipeline (9).