CN214250126U - Forced circulation angle tube type hot water boiler - Google Patents

Abstract

The utility model discloses a forced circulation angle tube type hot water boiler, which comprises a boiler shell, the inner wall of the boiler outer shell is fixedly connected with a heat insulation layer, the top of the boiler outer shell is fixedly connected with a steam drum outer shell, one side of the steam drum shell is fixedly connected with a water inlet pipe, the top of the steam drum shell is fixedly connected with an exhaust pipe, the bottom of the steam drum shell is fixedly connected with a second water pipe, one end of the second water pipe is connected with a water pump through threads, a water outlet of the water pump is in threaded connection with a third water pipe, one end of the third water pipe is fixedly connected with a connecting bent pipe, one end of the connecting bent pipe is fixedly connected with a first water pipe, one end of the first water pipe is fixedly connected with a steam-water separator body, the outer wall of the boiler shell is fixedly connected with a smoke exhaust pipe, the inner wall of the smoke exhaust pipe is fixedly connected with a venturi, and the bottom of the boiler shell is fixedly connected with a combustion chamber body. The utility model discloses forced circulation effect has.

Description

Forced circulation angle tube type hot water boiler

Technical Field

The utility model relates to an angle pipe formula boiler technical field specifically is a forced circulation angle pipe formula boiler.

Background

It is known from the fundamental principle of natural circulation that the circulation driving force generated by the difference between the density of steam and water is used to overcome the resistance losses of the working medium flowing in the circulation loop. Therefore, in order to maintain good water circulation, it is required to select an appropriate height of the loop (usually not less than twelve meters), diameter and section ratio of the ascending and descending pipes, use a larger inner diameter of the drum and a low-resistance and high-efficiency steam-water separation device, simplify the circulation loop, make the descending pipe not carry steam, and maintain an appropriate circulation rate or circulation water flow rate to make the ascending pipe have a higher steam content. In order to prevent heat deviation, attention should be paid to uniform heat flow distribution of the hearth and uniform flow distribution in the water wall tube. Natural circulation is the main circulation mode of ultra-high pressure and subcritical pressure boilers. However, the development of boiler capacity is limited by the size of the furnace and the drum manufacturing and transport conditions. The water or steam in the forced circulation boiler is not only powered by the density difference between the water and the steam, but also needs a certain pumping work to circulate in the heating pipeline, so the forced circulation boiler is called as a forced circulation boiler. The forced circulation furnace has low requirement on water feeding speed due to good water circulation. The working pressure of the forced circulation boiler is generally higher, and the requirements on the material and the pipe wall of the boiler pipe are higher. The drum of the forced circulation boiler is not necessary any more, and the drum may be present or absent. The water pump is required to have higher lift and more power consumption. When the water pump stops operating, the water flow in the pot also stops. There is a need for a reliable way to prevent water hammering when the boiler water is vaporized. At present, natural circulation is adopted in most of water flowing modes in the steam drum of the corner tube type hot water boiler in the market, a lower water collecting tank is generally arranged at the lowest point of a water pipe, when water in a heated pipeline is heated and gasified, water in the lower water collecting tank is lost, and water flow can circulate under the action of gravity, so that the whole circulation process is slow, but in the actual use process, a certain pump is needed for working to accelerate circulation, and the efficiency is improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a forced circulation angle tubular boiler to solve the problem that proposes among the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: a forced circulation corner tube type hot water boiler comprises a boiler shell, wherein a heat insulation layer is fixedly connected to the inner wall of the boiler shell, a drum shell is fixedly connected to the top of the boiler shell, a water inlet pipe is fixedly connected to one side of the drum shell, an exhaust pipe is fixedly connected to the top of the drum shell, a second water pipe is fixedly connected to the bottom of the drum shell, a water pump is in threaded connection with one end of the second water pipe, a third water pipe is in threaded connection with a water outlet of the water pump, a motor shell is fixedly connected to the outer wall of the water pump, a connecting bent pipe is fixedly connected to one end of the third water pipe, a first water pipe is fixedly connected to one end of the connecting bent pipe, a steam-water separator body is fixedly connected to one end of the first water pipe, a smoke exhaust pipe is fixedly connected to the outer wall of the boiler shell, and a venturi is fixedly connected to the inner wall of the smoke exhaust pipe, the bottom fixedly connected with combustion chamber body of boiler shell, the bottom fixedly connected with base of combustion chamber body, one side fixedly connected with installation foot of base, the access window has been seted up to boiler shell's outer wall, the inner wall threaded connection of access window has the screw, the outer wall swing joint of screw has the maintenance apron.

Furthermore, one end of the smoke exhaust pipe penetrates through the outer wall of the boiler shell and extends to the inner wall of the boiler shell, the wall thickness of the smoke exhaust pipe is two millimeters, and the smoke exhaust pipe is a white iron smoke exhaust pipe and has good plasticity and proper strength.

Furthermore, one end of the exhaust pipe penetrates through the top of the steam drum shell and extends to the inner wall of the steam drum shell, the wall thickness of the exhaust pipe is one millimeter, the effect of exhausting high-temperature gas in the steam drum shell is achieved, and the pressure of the whole pipeline is balanced.

Furthermore, the heat-insulating layer is a ceramic heat-insulating layer, and the thickness of the heat-insulating layer is one centimeter, so that the high-temperature flame is isolated, and the loss of temperature is avoided while the boiler outer shell is protected.

Furthermore, first water pipe, second water pipe and third water pipe are the steel water pipe, and the wall thickness of first water pipe, second water pipe and third water pipe is two millimeters, and the steel that the steel water pipe used is common material, and the price is economic.

Further, motor housing is plastics motor housing, and motor housing's one end has seted up ventilative mouthful, and motor housing can protect the motor, can also avoid the maloperation to the motor.

Further, one side fixedly connected with handle of overhauing the apron, the outer wall fixedly connected with slipmat of handle, the dismantlement of the apron of being convenient for overhaul of setting up of handle, the slipmat can increase the degree of gripping of handle.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is: the utility model can achieve the purpose of forced circulation and solve the problem of natural circulation of a common angle tube type hot water boiler through the arranged steam drum shell, the second water pipe, the water pump, the third water pipe, the connecting bent pipe, the first water pipe, the steam-water separator body, the water inlet pipe and the exhaust pipe; through the arranged maintenance window, the screws and the maintenance cover plate, the purpose of conveniently cleaning sediments can be achieved, and the problem that the flue of a common angle-tube type hot water boiler is difficult to clean is solved; through setting up exhaust pipe and venturi tube, can reach the purpose of discharging fume with higher speed, solve the problem that general angle tube formula boiler discharged fume naturally, in the in-service use process, can bring the facility for people's work, reduce people's work load.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

FIG. 2 is an enlarged view of the point A of FIG. 1 according to the present invention;

fig. 3 is a front view of the present invention;

fig. 4 is a side view of the present invention;

in the figure: 1. a boiler housing; 2. a thermal insulation layer; 3. a drum shell; 4. a water inlet pipe; 5. an exhaust pipe; 6. a steam-water separator body; 7. a first water pipe; 8. a second water pipe; 9. a water pump; 10. a motor housing; 11. a third water pipe; 12. a combustion chamber body; 13. a base; 14. mounting a foot; 15. a smoke exhaust pipe; 16. connecting a bent pipe; 17. an inspection window; 18. a screw; 19. overhauling the cover plate; 20. a venturi.

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. 1-4, the present invention provides a technical solution: a forced circulation corner tube type hot water boiler comprises a boiler shell 1, a heat insulation layer 2 is fixedly connected on the inner wall of the boiler shell 1, a drum shell 3 is fixedly connected on the top of the boiler shell 1, a water inlet pipe 4 is fixedly connected on one side of the drum shell 3, an exhaust pipe 5 is fixedly connected on the top of the drum shell 3, a second water pipe 8 is fixedly connected on the bottom of the drum shell 3, a water pump 9 is connected with one end of the second water pipe 8 through screw threads, a third water pipe 11 is connected with a water outlet of the water pump 9 through screw threads, a motor shell 10 is fixedly connected on the outer wall of the water pump 9, and a connecting bent pipe 16 is fixedly connected at one end of the third water pipe 11, the forced circulation corner tube type hot water boiler can achieve the purpose of forced circulation through the arrangement of the drum shell 3, the second water pipe 8, the water pump 9, the third water pipe 11, the connecting bent pipe 16, the first water pipe 7, a steam-water separator body 6, the water inlet pipe 4 and the exhaust pipe 5, the problem of natural circulation of a common angle tube type hot water boiler is solved, one end of a connecting bent pipe 16 is fixedly connected with a first water pipe 7, one end of the first water pipe 7 is fixedly connected with a steam-water separator body 6, the outer wall of a boiler shell 1 is fixedly connected with a smoke exhaust pipe 15, the inner wall of the smoke exhaust pipe 15 is fixedly connected with a venturi 20, the purpose of accelerating smoke exhaust can be achieved by arranging the smoke exhaust pipe 15 and the venturi 20, the problem of natural smoke exhaust of the common angle tube type hot water boiler is solved, convenience can be brought to work of people in the actual use process, the workload of people is reduced, the bottom of the boiler shell 1 is fixedly connected with a combustion chamber body 12, the bottom of the combustion chamber body 12 is fixedly connected with a base 13, one side of the base 13 is fixedly connected with a mounting foot 14, the outer wall of the boiler shell 1 is provided with an overhaul window 17, the outer wall of the screw 18 is movably connected with an overhaul cover plate 19, the aim of conveniently cleaning sediments can be achieved through the arranged overhaul window 17, the screw 18 and the overhaul cover plate 19, the problem that the flue of a common angle tube type hot water boiler is difficult to clean is solved, one end of the smoke exhaust pipe 15 penetrates through the outer wall of the boiler shell 1 and extends to the inner wall of the boiler shell 1, the wall thickness of the smoke exhaust pipe 15 is two millimeters, the smoke exhaust pipe 15 is a white iron smoke exhaust pipe and has good plasticity and proper strength, one end of the exhaust pipe 5 penetrates through the top of the steam pocket shell 3 and extends to the inner wall of the steam pocket shell 3, the wall thickness of the exhaust pipe 5 is one millimeter, the effect of exhausting high-temperature gas in the steam pocket shell 3 is achieved, the pressure of the whole pipeline is balanced, the heat insulation layer 2 is a ceramic heat insulation layer, the thickness of the heat insulation layer 2 is one centimeter, the effect of isolating high-temperature flame is achieved, the boiler shell 1 is protected, avoid the loss of temperature, first water pipe 7, second water pipe 8 and third water pipe 11 are the steel water pipe, and first water pipe 7, the wall thickness of second water pipe 8 and third water pipe 11 is two millimeters, the used steel of steel water pipe is common material, and the price is economic, motor housing 10 is plastics motor housing, and motor housing 10's one end has been seted up ventilative mouthful, motor housing 10 can protect the motor, can also avoid the maloperation to the motor, one side fixedly connected with handle of maintenance apron 19, the outer wall fixedly connected with slipmat of handle, the dismantlement of the setting up easy access apron of handle, the slipmat can increase the degree of gripping of handle.

The utility model discloses a theory of operation: the water pump 9 pumps cold water in the steam drum shell 3 into the third water pipe 11, the connecting bent pipe 16 and the first water pipe 7, the cold water flows through the steam-water separator body 6 after being heated inside the boiler, steam is discharged from the exhaust pipe 5, and when water in the steam drum shell 3 is consumed, the cold water is compensated through the water inlet pipe 4.

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.

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 may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The utility model provides a forced circulation angle tubular boiler, includes boiler shell (1), its characterized in that: the boiler comprises a boiler shell (1), a heat insulation layer (2) is fixedly connected to the inner wall of the boiler shell (1), a drum shell (3) is fixedly connected to the top of the boiler shell (1), a water inlet pipe (4) is fixedly connected to one side of the drum shell (3), an exhaust pipe (5) is fixedly connected to the top of the drum shell (3), a second water pipe (8) is fixedly connected to the bottom of the drum shell (3), a water pump (9) is connected to one end of the second water pipe (8) through threads, a third water pipe (11) is connected to a water outlet of the water pump (9) through threads, a motor shell (10) is fixedly connected to the outer wall of the water pump (9), a connecting bent pipe (16) is fixedly connected to one end of the third water pipe (11), a first water pipe (7) is fixedly connected to one end of the connecting bent pipe (16), a steam-water separator body (6) is fixedly connected to one end of the first water pipe (7), the boiler comprises a boiler shell (1), a smoke exhaust pipe (15) is fixedly connected to the outer wall of the boiler shell (1), a venturi (20) is fixedly connected to the inner wall of the smoke exhaust pipe (15), a combustion chamber body (12) is fixedly connected to the bottom of the boiler shell (1), a base (13) is fixedly connected to the bottom of the combustion chamber body (12), an installation foot (14) is fixedly connected to one side of the base (13), an access window (17) is formed in the outer wall of the boiler shell (1), a screw (18) is connected to the inner wall of the access window (17) in a threaded mode, and an access cover plate (19) is movably connected to the outer wall of the screw (18).

2. A forced circulation angular tube hot water boiler as claimed in claim 1, wherein: one end of the smoke exhaust pipe (15) penetrates through the outer wall of the boiler shell (1) and extends to the inner wall of the boiler shell (1), and the wall thickness of the smoke exhaust pipe (15) is two millimeters.

3. A forced circulation angular tube hot water boiler as claimed in claim 1, wherein: one end of the exhaust pipe (5) penetrates through the top of the steam drum shell (3) and extends to the inner wall of the steam drum shell (3), and the wall thickness of the exhaust pipe (5) is one millimeter.

4. A forced circulation angular tube hot water boiler as claimed in claim 1, wherein: the heat insulation layer (2) is a ceramic heat insulation layer, and the thickness of the heat insulation layer (2) is one centimeter.

5. A forced circulation angular tube hot water boiler as claimed in claim 1, wherein: the first water pipe (7), the second water pipe (8) and the third water pipe (11) are all steel water pipes, and the wall thickness of the first water pipe (7), the wall thickness of the second water pipe (8) and the wall thickness of the third water pipe (11) are two millimeters.

6. A forced circulation angular tube hot water boiler as claimed in claim 1, wherein: the motor shell (10) is a plastic motor shell, and one end of the motor shell (10) is provided with a ventilation opening.

7. A forced circulation angular tube hot water boiler as claimed in claim 1, wherein: one side fixedly connected with handle of maintenance apron (19), the outer wall fixedly connected with slipmat of handle.

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