CN217302746U

CN217302746U - Exhaust-heat boiler of no stay structure

Info

Publication number: CN217302746U
Application number: CN202221076682.0U
Authority: CN
Inventors: 田志坚; 梁坤龙; 冯坤; 程何康; 冯威; 杨东海; 李博; 刘聚洲
Original assignee: Henan Province Sitong Boiler Co ltd
Current assignee: Henan Province Sitong Boiler Co ltd
Priority date: 2022-05-07
Filing date: 2022-05-07
Publication date: 2022-08-26
Anticipated expiration: 2032-05-07

Abstract

The utility model discloses a no exhaust-heat boiler of bracing structure, including outer barrel, the middle part top of outer barrel is provided with well barrel, is provided with eccentric oblique centrum between the both ends of well barrel and the outer barrel, and the top of well barrel is provided with the steam tube socket, and the inside of outer barrel transversely is provided with a plurality of heat exchange tubes, and flat tube sheet is installed at the both ends of heat exchange tube, and the both ends of outer barrel are provided with air inlet and gas outlet respectively, and flat tube sheet is passed and is linked together with air inlet and gas outlet respectively at the both ends of heat exchange tube. In the exhaust-heat boiler without the bracing structure, flue gas transversely scours a heating surface, the heat transfer effect is good, the heat transfer coefficient is high, the waste heat recovery efficiency is high, the flue gas can be ensured to pass through at one time, no dead angle exists, combustible gas cannot be gathered, the operation is safe and reliable, the design of the eccentric oblique cone body is adopted, the bottom of the cylinder body connected with the cone body can be kept on the same horizontal plane, the steam space is increased, and a sufficient position is provided for steam-water separation.

Description

Exhaust-heat boiler of no stay structure

Technical Field

The utility model relates to the technical field of boilers, specifically speaking relates to a no exhaust-heat boiler of bracing structure.

Background

Waste heat boiler is the pressure equipment at waste heat recovery device of petrochemical industry, metallurgy, building materials, light industry, trades such as machinery, the waste heat of discharging fume of various kilns of main recycle, but current waste heat recovery device can not guarantee great steam space when carrying out the heat transfer, can not provide sufficient position for steam-water separation, lead to steam flow not smooth, and the flue gas is owing to there is the drag stay structure when passing through, make the passageway unobstructed inadequately, thereby produce the dead angle easily, thereby gather combustible gas, influence operation safety.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a do not have exhaust-heat boiler who props structure to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a waste heat boiler of no bracing structure, including outer barrel, the middle part top of outer barrel is provided with well barrel, be provided with eccentric oblique centrum between the both ends of well barrel and the outer barrel, the top of well barrel is provided with the steam tube seat, the inside of outer barrel transversely is provided with a plurality of heat exchange tubes, flat tube sheet is installed at the both ends of heat exchange tube, the both ends of outer barrel are provided with air inlet and gas outlet respectively, flat tube sheet is passed and is linked together with air inlet and gas outlet respectively at the both ends of heat exchange tube.

Preferably, the bottom of the outer cylinder body is provided with a support.

Preferably, a sewage pipe seat is arranged in the middle of the bottom of the outer cylinder body.

Preferably, the heat exchange tubes are arranged in a uniform arrangement.

Preferably, the outer side wall of the flat tube plate is tightly welded with the inner wall of the outer cylinder, and the flat tube plate is tightly welded with the outer wall of the heat exchange tube.

Preferably, the top of the middle cylinder body is provided with a pressure gauge pipe seat and a safety valve pipe seat, the outer wall of one side of the outer cylinder body is provided with a water level gauge pipe seat and a water supply device, and the outer wall of the other side of the outer cylinder body is provided with an inspection hole.

Preferably, an air inlet heat-insulating layer is installed on the inner wall of the air inlet, and an air outlet heat-insulating layer is installed on the inner wall of the air outlet.

Preferably, an inner cylinder is installed on the inner side of the middle part of the middle cylinder, a flow equalizing plate is arranged at the bottom of the inner cylinder, and a plurality of uniformly arranged flow guide holes are formed in the surface of the flow equalizing plate.

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

in the exhaust-heat boiler without the bracing structure, flue gas transversely scours a heating surface, the heat transfer effect is good, the heat transfer coefficient is high, the waste heat recovery efficiency is high, the flue gas is ensured to pass through at one time, no dead angle is formed, combustible gas cannot be gathered, the operation is safe and reliable, the design of the eccentric oblique cone body is adopted, the bottom of the cylinder body connected with the cone body can be kept on the same horizontal plane, the steam space is increased, enough positions are provided for steam-water separation, the quality of steam can be effectively ensured, the diameter of a heat exchange tube plate is reduced, the bracing structure can be directly saved, and the strength requirement is met.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

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

fig. 3 is a schematic side view of the present invention.

The various reference numbers in the figures mean:

1. an outer cylinder; 11. a support; 12. a blowdown pipe seat; 13. a flat tube plate; 14. an air inlet; 141. an air inlet insulating layer; 15. an air outlet; 151. an air outlet heat insulation layer; 2. a middle cylinder body; 21. a pressure gauge pipe seat; 22. a steam pipe seat; 23. a safety valve tube seat; 3. an eccentric oblique vertebral body; 4. a heat exchange pipe; 5. a water gauge tube seat; 6. a water supply device; 7. the holes are inspected.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Example 1

The utility model provides a waste heat boiler without a bracing structure, as shown in figures 1-3, comprising an outer cylinder body 1, a middle cylinder body 2 is arranged above the middle part of the outer cylinder body 1, an eccentric oblique cone body 3 is arranged between the two ends of the middle cylinder body 2 and the outer cylinder body 1, the space of the middle cylinder body 2 can be enlarged through the connection of the eccentric oblique cone body 3, and the outer cylinder body 1 and the middle cylinder body 2 are ensured to be on the same horizontal line, which is convenient for smoke to pass through at one time, ensures no dead angle, can not gather combustible gas, the operation is safe and reliable, and the steam space in the middle cylinder body 2 is enlarged, which provides enough position for steam-water separation, can effectively ensure the quality of steam, the top of the middle cylinder body 2 is provided with a steam pipe seat 22, the inner part of the outer cylinder body 1 is transversely provided with a plurality of heat exchange pipes 4, flat pipe plates 13 are arranged at the two ends of the heat exchange pipes 4, due to the design of the eccentric oblique cone body 3, compared with the size of the middle barrel body 2, the diameter of the flat tube plate 13 is reduced, the thickness of the tube plate is reduced, the bracing structure can be directly saved, the strength requirement is met, the two ends of the outer barrel body 1 are respectively provided with the air inlet 14 and the air outlet 15 and used for air inlet and air outlet, and the two ends of the heat exchange tube 4 penetrate through the flat tube plate 13 and are respectively communicated with the air inlet 14 and the air outlet 15.

In this embodiment, the bottom of the outer cylinder 1 is provided with the support 11 for supporting the bottom of the outer cylinder 1, so as to ensure that the channel of the whole device is kept horizontal.

Specifically, a sewage discharge pipe seat 12 is arranged in the middle of the bottom of the outer cylinder 1 and used for discharging sewage.

Further, the heat exchange tubes 4 are arranged uniformly to ensure uniform heat exchange with the flue gas.

Further, the outer side wall of the flat tube plate 13 is tightly welded with the inner wall of the outer barrel 1, and the flat tube plate 13 is tightly welded with the outer wall of the heat exchange tube 4, so that the heat exchange tube 4 is fixed and cannot be loosened.

Further, the top of well barrel 2 is provided with manometer tube socket 21 and relief valve tube socket 23 for carry out pressure monitoring and regulation, and fluviograph tube socket 5 and water supply installation 6 are installed to one side outer wall of outer barrel 1, are used for carrying out the monitoring and the control of water level, and the opposite side outer wall of outer barrel 1 is provided with inspection hole 7 for the manual work overhauls the operation.

Example 2

In order to further ensure the full utilization of the flue gas and avoid heat loss, the inner wall of the air inlet 14 is provided with an air inlet heat-insulating layer 141, the inner wall of the air outlet 15 is provided with an air outlet heat-insulating layer 151, the inner sides of the air inlet 14 and the air outlet 15 are heat-insulated through the heat-insulating layer, and the heat cannot be lost.

Further, an inner cylinder 24 is installed on the inner side of the middle portion of the middle cylinder 2, a flow equalizing plate is arranged at the bottom of the inner cylinder 24, and a plurality of flow guiding holes which are uniformly arranged are formed in the surface of the flow equalizing plate, so that steam and water are separated, water falls, and the steam flows upwards and is discharged from the steam pipe seat 22 for use.

The utility model discloses a no exhaust-heat boiler of bracing structure is when using, at first place the device stably, get into the flue gas from air inlet 14 after that, the flue gas traversing outer barrel 1 and well barrel 2, pour into water into from water supply installation 6 to the device is interior, observe through fluviograph tube socket 5, guarantee to stop the water injection after the water level reaches a certain position, the flue gas is at the inside lateral flow of heat exchange tube 4, water flows in the outer pot shell of heat exchange tube 4, the heat passes through the pipe wall and transmits the water outside heat exchange tube 4, produce steam or hot water, steam is discharged through steam tube socket 22 and is recycled.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a no exhaust-heat boiler of bracing structure, includes outer barrel (1), its characterized in that: the middle part top of outer barrel (1) is provided with well barrel (2), be provided with eccentric oblique centrum (3) between the both ends of well barrel (2) and outer barrel (1), the top of well barrel (2) is provided with steam tube seat (22), the inside of outer barrel (1) transversely is provided with a plurality of heat exchange tubes (4), flat tube board (13) is installed at the both ends of heat exchange tube (4), the both ends of outer barrel (1) are provided with air inlet (14) and gas outlet (15) respectively, flat tube board (13) are passed and are linked together with air inlet (14) and gas outlet (15) respectively at the both ends of heat exchange tube (4).

2. The exhaust-heat boiler of bracing-free structure according to claim 1, characterized in that: and a support (11) is arranged at the bottom of the outer cylinder body (1).

3. The exhaust-heat boiler of bracing-free structure according to claim 1, characterized in that: a sewage discharge pipe seat (12) is arranged in the middle of the bottom of the outer cylinder body (1).

4. The exhaust-heat boiler of bracing-free structure according to claim 1, characterized in that: the heat exchange tubes (4) are uniformly arranged.

5. The exhaust-heat boiler of bracing-free structure according to claim 1, characterized in that: the outer side wall of the flat tube plate (13) is tightly welded with the inner wall of the outer barrel (1), and the flat tube plate (13) is tightly welded with the outer wall of the heat exchange tube (4).

6. The exhaust-heat boiler of bracing-free structure according to claim 1, characterized in that: the top of well barrel (2) is provided with manometer tube socket (21) and relief valve tube socket (23), water level gauge tube socket (5) and water supply installation (6) are installed to one side outer wall of outer barrel (1), the opposite side outer wall of outer barrel (1) is provided with inspection opening (7).

7. The exhaust-heat boiler of no bracing structure of claim 1, characterized by: and an air inlet heat-insulating layer (141) is installed on the inner wall of the air inlet (14), and an air outlet heat-insulating layer (151) is installed on the inner wall of the air outlet (15).

8. The exhaust-heat boiler of bracing-free structure according to claim 1, characterized in that: an inner cylinder body (24) is installed on the inner side of the middle portion of the middle cylinder body (2), a flow equalizing plate is arranged at the bottom of the inner cylinder body (24), and a plurality of uniformly arranged flow guide holes are formed in the surface of the flow equalizing plate.