CN215637085U

CN215637085U - Steam boiler

Info

Publication number: CN215637085U
Application number: CN202122200462.6U
Authority: CN
Inventors: 申秀峰; 许春立; 李靖; 袁晓涛
Original assignee: Beijing Olympia Boiler Co Ltd
Current assignee: Beijing Olympia Boiler Co Ltd
Priority date: 2021-09-11
Filing date: 2021-09-11
Publication date: 2022-01-25
Anticipated expiration: 2031-09-11

Abstract

The application relates to a steam boiler relates to the field that steam produced, its include boiler main part and with the burner pipe of boiler main part intercommunication, install a plurality of heat absorption pipes that lead to there is the cooling water in the boiler main part, the heat absorption pipe all is followed boiler main part length direction extends, the heat absorption pipe sets up the lateral part at the burner pipe. The cooling water of heat absorption pipe passes through the heat transfer and absorbs the heat of burner pipe department, and this application has improved the cooling effect of burner pipe department.

Description

Steam boiler

Technical Field

The present application relates to the field of steam generation, and more particularly, to a steam boiler.

Background

The steam boiler is an energy conversion device, the energy input to the boiler is in the forms of chemical energy, electric energy, heat energy of high-temperature flue gas and the like in fuel, and the steam, the high-temperature water or the organic heat carrier with certain heat energy is output outwards after the conversion of the boiler.

In the related art, referring to fig. 1 and 2, a steam boiler includes a boiler main body 1 and a burner pipe 2, the burner pipe 2 communicates with the inside of the boiler main body 1, a plurality of steam pipes 11 are installed in the boiler main body 1, the plurality of steam pipes 11 are arranged along the circumferential direction of the inner wall of the boiler main body 1, and the steam pipes 11 all extend in the longitudinal direction of the boiler main body 1. Steel sheet 8 in the department of being connected of burner pipe 2 and boiler main part 1 is provided with, interior steel sheet 8 and 2 outer wall butts of burner pipe, and heat-resisting concrete layer 81 has been cup jointed to the outside that interior steel sheet 8 kept away from burner pipe 2, and outer steel sheet 82 has been cup jointed to the outside that interior steel sheet 8 was kept away from to heat-resisting concrete layer 81, outer steel sheet 82 and boiler main part 1 fixed connection. When using the burner pipe 2, the high temperature that the burner pipe 2 produced transmits to heat-resisting concrete layer 81 through interior steel sheet 8, and heat-resisting concrete layer 81 transmits the outside steel sheet 82 of heat to the effect of the cooling of burner pipe 2 has been reached.

In view of the above-mentioned related technologies, since the expansion coefficients of the inner steel plate 8, the outer steel plate 82 and the heat-resistant concrete layer 81 are different, the inventors believe that after the inner steel plate 8, the outer steel plate 82 and the heat-resistant concrete layer 81 are used for a period of time, gaps are likely to occur between the inner steel plate 8, the outer steel plate 82 and the heat-resistant concrete layer 81, and after the gaps occur, the heat conductivity of the heat-resistant concrete layer 81 is reduced, thereby reducing the cooling effect of the burner pipe 2.

SUMMERY OF THE UTILITY MODEL

In order to improve the cooling effect of burner pipe, this application provides a steam boiler.

The technical scheme provided by the application is as follows:

a steam boiler comprises a boiler main body and a fire hole pipe communicated with the boiler main body, wherein a plurality of heat absorption pipes communicated with cooling water are installed in the boiler main body, the heat absorption pipes extend along the length direction of the boiler main body, and the heat absorption pipes are arranged on the side portions of the fire hole pipe.

Through adopting above-mentioned technical scheme, constantly pour into the cooling water into in the heat absorption pipe, the cooling water of heat absorption pipe passes through the heat transfer and absorbs the heat of burner pipe department, has improved the cooling effect of burner pipe department.

Optionally, the heat absorbing pipe comprises a water inlet portion, a bending portion and a steam outlet portion which are integrally formed, the water inlet portion is located at the bottom end of the heat absorbing pipe and communicated with the water supply device, and the bending portion is located between the water inlet portion and the steam outlet portion and adjacent to the outer wall of the fire hole pipe.

Through adopting above-mentioned technical scheme, the portion of bending has increased the adjacent area between heat absorption pipe and the burner pipe around the burner pipe setting to the cooling effect of burner pipe has been improved.

Optionally, the heat absorbing pipes are symmetrically arranged on two sides of the fire hole pipe in the length direction.

Through adopting above-mentioned technical scheme, the heat absorption pipe that the symmetry set up has increased and has managed the adjacent area between with the burner, has improved the heat absorption efficiency of heat absorption pipe.

Optionally, the portion of bending all includes the arc, the arc all includes integrated into one piece and first pipe chute, first standpipe and the second pipe chute that communicates in proper order, first pipe chute all with it is close to go out vapour portion the one end intercommunication of the portion of intaking, first pipe chute is along deviating gradually the direction of play vapour portion axis extends, first standpipe with the burner pipe outer wall is adjacent, the second pipe chute is kept away from the one end of first standpipe with the portion intercommunication of intaking, the second pipe chute is kept away from the one end of first standpipe is along being close to gradually the direction of the portion axis of intaking extends.

Through adopting above-mentioned technical scheme, first pipe chute, second pipe chute are less with the interval of burner pipe, have improved adjacent area between heat absorption pipe and the burner pipe.

Optionally, the first inclined tube, the first vertical tube and the second inclined tube are circular tubes with circular cross sections.

By adopting the technical scheme, the figure coefficient of the circular pipeline is the minimum, the area enclosed by the same perimeter is the maximum in a circular shape, and the economical efficiency of the pipeline is improved.

Optionally, the bending portion comprises a plurality of arc-shaped pipes axially distributed along the fire hole pipe, one end of the steam outlet portion close to the water inlet portion is communicated with a first connecting pipe, one end of the water inlet portion close to the steam outlet portion is communicated with a second connecting pipe, the first inclined pipe of each arc-shaped pipe is communicated with the first connecting pipe, and the second inclined pipe of each arc-shaped pipe is communicated with the second connecting pipe.

Through adopting above-mentioned technical scheme, a plurality of heat-absorbing pipes carry out the heat to the burner pipe simultaneously and absorb to increased the adjacent area of arc pipe and burner pipe, improved the radiating effect of burner pipe department.

Optionally, the first inclined tube, the first vertical tube and the second inclined tube are flat tubes and are flat along the axis direction of the fire hole tube.

By adopting the technical scheme, the adjacent area of the arc-shaped pipe and the fire hole pipe is increased, and the heat dissipation effect of the fire hole pipe is improved.

Optionally, the portion of bending all includes integrated into one piece and the first violently pipe, second standpipe and the second that communicates in proper order violently manages, first violently manage all with it is close to go out vapour portion the one end intercommunication of portion of intaking, first violently manage and keep away from go out the one end of vapour portion and extend to keeping away from out vapour axial direction, the second standpipe with the burner pipe outer wall is adjacent, the second is violently managed and is kept away from the one end of second standpipe with the portion intercommunication of intaking, the second is violently managed and is kept away from the one end of second standpipe is followed and is close to the direction of portion's of intaking axis extends.

Through adopting above-mentioned technical scheme, first violently pipe, second standpipe, second are violently managed and are set up around the burner pipe, have increased the adjacent area between heat absorption pipe and the burner pipe, have improved the heat absorption efficiency of heat absorption pipe.

Optionally, the side wall of the second vertical pipe facing the fire hole pipe is fixedly connected with arc-shaped rods, and the arc-shaped rods are abutted to the outer side wall of the fire hole pipe.

Through adopting above-mentioned technical scheme, the arc pole makes the heat that the burner pipe department produced can direct conduction to the pipe wall of heat-absorbing pipe, has improved the radiating effect of burner pipe department.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the cooling water of the heat absorption pipe absorbs the heat at the fire hole pipe through heat transfer, so that the cooling effect at the fire hole pipe is improved;

2. the adjacent area of the arc-shaped pipe and the fire hole pipe is increased, and the heat dissipation effect of the fire hole pipe is improved.

Drawings

Fig. 1 is a sectional view of a steam boiler in the related art.

Fig. 2 is an enlarged view at a in fig. 1.

FIG. 3 is a cross-sectional view of a steam boiler according to an embodiment of the present invention.

FIG. 4 is a cross-sectional view of a steam boiler according to an embodiment of the present invention.

FIG. 5 is a sectional view of a triple steam boiler according to an embodiment of the present invention.

FIG. 6 is a cross-sectional view of a four steam boiler according to an embodiment of the present invention.

Description of reference numerals: 1. a boiler main body; 11. a steam pipe; 2. a fire tube; 3. a heat absorbing tube; 31. a water inlet part; 311. a first connecting pipe; 32. a bending part; 33. a steam outlet part; 331. a second connecting pipe; 4. an arc tube; 41. a first inclined tube; 42. a first vertical tube; 43. a second inclined tube; 5. a first cross tube; 6. a second standpipe; 61. an arcuate bar; 7. a second cross tube; 8. an inner steel plate; 81. a heat-resistant concrete layer; 82. an outer steel plate.

Detailed Description

The present application is described in further detail below with reference to figures 3-6.

The embodiment of the application discloses a steam boiler.

The first embodiment is as follows: referring to fig. 3, a steam boiler includes a boiler body 1 and a fire tube 2, the fire tube 2 is fixedly connected with the boiler body 1 and is communicated with the interior of the boiler body 1, a plurality of steam tubes 11 are installed in the boiler body 1, the plurality of steam tubes 11 are circumferentially arranged along the inner wall of the boiler body 1, and the steam tubes 11 all extend along the length direction of the boiler body 1.

Referring to fig. 3, a plurality of heat absorbing pipes 3 symmetrically arranged at two sides of the fire hole pipe 2 in the length direction are further installed in the boiler main body 1, in this embodiment, two heat absorbing pipes 3 are provided, the two heat absorbing pipes 3 extend along the length direction of the boiler main body 1, and the two heat absorbing pipes 3 are internally communicated with cooling water with lower temperature. The heat absorption pipe 3 all includes integrated into one piece's portion of intaking 31, the portion of bending 32 and play vapour portion 33, and the portion of intaking 31 is located the bottom of heat absorption pipe 3 and communicates with water supply installation, and the portion of bending 32 is located and intakes 31, go out between the vapour portion 33 and adjacent with the outer wall of burner pipe 2, goes out vapour portion 33 and steam collection device intercommunication.

When the steam boiler is used, cooling water is injected into the heat absorption pipe 3 from the water inlet part 31 through the water supply device, along with the continuous injection of the cooling water, the cooling water of the bending part 32 absorbs heat generated at the fire hole pipe 2 through heat transfer, and finally the cooling water is vaporized into steam and enters the steam collecting device from the steam outlet part 33. Absorb the heat of burner pipe 2 department through heat-absorbing pipe 3, improved the cooling effect of burner pipe 2 department.

Referring to fig. 3, the bent portion 32 includes the arc tube 4, the arc tube 4 includes the first pipe chute 41 of integrated into one piece, first standpipe 42 and second pipe chute 43, first pipe chute 41, first standpipe 42 and second pipe chute 43 are all circular round pipes in cross section, first pipe chute 41 all communicates with the bottom that steam outlet portion 33 is close to water inlet portion 31, and the one end that steam outlet portion 33 was kept away from to first pipe chute 41 extends along the direction that deviates gradually steam outlet portion 33 axis, the one end that steam outlet portion 33 was kept away from to first pipe chute 41 communicates with first standpipe 42, the one end and the second pipe chute 43 intercommunication of first pipe chute 41 are kept away from to first standpipe 42, first standpipe 42 is adjacent with the outer wall in burner 2 middle part, the one end that first standpipe 42 was kept away from to second pipe chute 43 extends along the direction that gradually is close to water inlet portion 31 axis, the one end and the water inlet portion 31 intercommunication of first standpipe 42 are kept away from to second pipe chute 43. Through setting up the arc pipe 4, increased the adjacent area of heat-absorbing pipe 3 with the 2 outer walls of burner pipe, improved the radiating effect of 2 departments of burner pipe.

The implementation principle of the first embodiment of the application is as follows: when the steam boiler is used, cooling water is injected into the heat absorption pipe 3 through a water supply device, and the cooling water at the arc-shaped pipe 4 of the heat absorption pipe 3 absorbs heat at the fire hole pipe 2 through heat transfer.

Example two: referring to fig. 4, the difference from the first embodiment is that the first inclined tube 41, the first vertical tube 42 and the second inclined tube 43 are flat tubes and are flat along the axis of the fire tube 2. Thereby increasing the adjacent area of the arc-shaped pipe 4 and the fire hole pipe 2 and improving the heat dissipation effect of the fire hole pipe 2.

Example three: referring to fig. 5, the difference from the first embodiment is that the bending portions 32 each include a plurality of arc pipes 4 distributed along the axial direction of the burner pipe 2, and in the present embodiment, there are two arc pipes 4. The one end that goes out vapour portion 33 and is close to into water portion 31 all communicates with first connecting pipe 311, and the one end that goes out vapour portion 33 of portion 31 and all communicates with second connecting pipe 331, and the first pipe chute 41 of two arcs 4 all communicates with the first connecting pipe 311 of homonymy. The second inclined pipes 43 of the two arc pipes 4 are communicated with the second connecting pipe 331 on the same side, so that the adjacent areas of the arc pipes 4 and the fire hole pipe 2 are increased, and the heat dissipation effect of the fire hole pipe 2 is improved.

Example four: referring to fig. 6, the difference from the first embodiment is that the bending portion 32 includes the first horizontal pipe 5, the second vertical pipe 6 and the second horizontal pipe 7 which are integrally formed, the first horizontal pipe 5, the second vertical pipe 6 and the second horizontal pipe 7 are circular round pipes with cross sections, the first horizontal pipe 5 is communicated with the bottom end of the steam outlet portion 33 close to the water inlet portion 31, one end of the first horizontal pipe 5 far away from the steam outlet portion 33 extends towards the direction far away from the axis of the steam outlet portion 33, one end of the first horizontal pipe 5 far away from the steam outlet portion 33 is communicated with the second vertical pipe 6, one end of the second vertical pipe 6 far away from the first horizontal pipe 5 is communicated with the second horizontal pipe 7, the second vertical pipe 6 is adjacent to the outer wall in the middle of the fire hole pipe 2, one end of the second horizontal pipe 7 far away from the second vertical pipe 6 extends towards the direction close to the axis of the water inlet portion 31, and one end of the second horizontal pipe 7 far away from the second vertical pipe 6 is communicated with the water inlet portion 31.

Referring to fig. 6, equal fixedly connected with arc pole 61 on the lateral wall of second standpipe 6 orientation burner pipe 2, arc pole 61 and burner pipe 2's lateral wall butt, make the heat that burner pipe 2 department produced can direct conduction to the 32 pipe walls of bending through arc pole 61, have improved the radiating effect of burner pipe 2 department.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A steam boiler, characterized in that: the boiler comprises a boiler body (1) and a fire hole pipe (2) communicated with the boiler body (1), wherein a plurality of heat absorption pipes (3) communicated with cooling water are installed in the boiler body (1), the heat absorption pipes (3) extend along the length direction of the boiler body (1), and the heat absorption pipes (3) are arranged on the side portions of the fire hole pipe (2).

2. A steam boiler according to claim 1, characterized in that: the heat absorption pipe (3) comprises a water inlet portion (31), a bending portion (32) and a steam outlet portion (33) which are integrally formed, the water inlet portion (31) is located at the bottom end of the heat absorption pipe (3) and communicated with a water supply device, and the bending portion (32) is located between the water inlet portion (31) and the steam outlet portion (33) and is adjacent to the outer wall of the fire hole pipe (2).

3. A steam boiler according to claim 1, characterized in that: the heat absorption pipes (3) are symmetrically arranged on two sides of the fire hole pipe (2) in the length direction.

4. A steam boiler according to claim 2, characterized in that: bend portion (32) and all include arc (4), arc (4) all include integrated into one piece and first pipe chute (41), first standpipe (42) and second pipe chute (43) that communicate in proper order, first pipe chute (41) all with it is close to go out vapour portion (33) the one end intercommunication of portion of intaking (31), first pipe chute (41) are along deviating gradually go out the direction of vapour portion (33) axis and extend, first standpipe (42) with burner pipe (2) outer wall is adjacent, second pipe chute (43) are kept away from the one end of first standpipe (42) with it communicates to intake portion (31), second pipe chute (43) are kept away from the one end of first standpipe (42) is along being close to gradually the direction of portion of intaking (31) axis extends.

5. A steam boiler according to claim 4, characterized in that: the first inclined pipe (41), the first vertical pipe (42) and the second inclined pipe (43) are round pipes with round cross sections.

6. A steam boiler according to claim 4, characterized in that: bend portion (32) all include a plurality of along fire mouth pipe (2) axial distribution arc tube (4), it is close to go out vapour portion (33) the one end of portion (31) all communicates and has first connecting pipe (311), it is close to enter water portion (31) the one end of portion (33) all communicates and has second connecting pipe (331), arc tube (4) first pipe chute (41) with first connecting pipe (311) intercommunication, arc tube (4) second pipe chute (43) with second connecting pipe (331) intercommunication.

7. A steam boiler according to claim 4, characterized in that: the first inclined pipe (41), the first vertical pipe (42) and the second inclined pipe (43) are flat pipes and are flat along the axis direction of the fire nozzle pipe (2).

8. A steam boiler according to claim 2, characterized in that: bend portion (32) all include integrated into one piece and communicate in proper order first violently pipe (5), second standpipe (6) and second violently pipe (7), first violently pipe (5) all with it is close to go out vapour portion (33) the one end intercommunication of portion (31) of intaking, first violently pipe (5) are kept away from go out the one end of vapour portion (33) to keeping away from vapour portion (33) axial direction and extend, second standpipe (6) with fire mouth pipe (2) outer wall is adjacent, the second violently pipe (7) is kept away from the one end of second standpipe (6) with portion (31) of intaking intercommunication, the second violently pipe (7) is kept away from the one end of second standpipe (6) is followed and is close to the direction of portion (31) axis of intaking extends.

9. A steam boiler according to claim 8, characterized in that: the second vertical pipe (6) faces the side wall of the fire hole pipe (2) and is fixedly connected with an arc-shaped rod (61), and the arc-shaped rod (61) is abutted to the outer side wall of the fire hole pipe (2).