CN211011297U

CN211011297U - Full-intelligent ultralow-nitrogen gas-steam boiler

Info

Publication number: CN211011297U
Application number: CN201921516193.0U
Authority: CN
Inventors: 袁伟龙
Original assignee: Shaanxi Weibach Energy Saving Technology Co ltd
Current assignee: Shaanxi Weibach Energy Saving Technology Co ltd
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-07-14
Anticipated expiration: 2029-09-12

Abstract

The utility model discloses a full-intelligent ultralow nitrogen gas steam boiler, including boiler base, steam drum, combustor and oxynitride purifying tank, boiler base top surface fixedly connected with steam drum, boiler base one end is provided with the combustor, the inside bottom of boiler base is provided with hot air pipe, hot air pipe top surface is provided with furnace, furnace one end with combustor shower nozzle fixed connection that combustor one end set up, combustor shower nozzle bottom surface is provided with the hot-air tank, hot-air tank bottom end with the hot-air pipe is linked together, furnace is kept away from the one end of combustor is provided with the back combustion chamber, back combustion chamber one side is provided with two return stroke tobacco pipes. The utility model discloses a power that the inside temperature regulation of temperature-sensing ware perception furnace bled the fan reaches the inside air input of change furnace, is preheated in advance through the hot air pipe to the air of pouring into in the furnace simultaneously for improve the burning in the furnace, make the flame temperature in the furnace reach the expectation.

Description

Full-intelligent ultralow-nitrogen gas-steam boiler

Technical Field

The utility model relates to a gas steam boiler field particularly, relates to full intelligent ultralow nitrogen gas steam boiler.

Background

The boiler is an energy conversion device, the energy input into the boiler can be chemical energy, electric energy and the like, steam, high-temperature water or an organic heat carrier with certain heat energy is output outwards after being converted by the boiler, and the boiler can be used for power stations, ships, locomotives and the like, so that the boiler plays an irreplaceable role in industry and life; due to the scarcity of coal energy, the traditional coal-fired boiler is gradually eliminated, and environmental protection departments in various regions require the coal-fired boiler to be changed into clean energy, so that the emerging natural gas belongs to clean energy, has low cost, high combustion rate and small discharge amount and can meet the environmental protection requirement; however, the conventional steam boiler is operated to generate a large amount of nitrogen oxides to pollute the environment, and the flame size of the burner cannot be intelligently controlled so as to reduce the generation of the nitrogen oxides.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a full intelligent ultralow nitrogen gas steam boiler to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the full-intelligent ultralow-nitrogen gas steam boiler is characterized by comprising a boiler base, a steam tank, a burner and a nitrogen oxide purifying tank, wherein the steam tank is fixedly connected to the top surface of the boiler base, the burner is arranged at one end of the boiler base, a hot air pipe is arranged at the bottom inside the boiler base, a hearth is arranged on the top surface of the hot air pipe, one end of the hearth is fixedly connected with a burner nozzle arranged at one end of the burner, a hot air box is arranged on the bottom surface of the burner nozzle, the bottom end of the hot air box is communicated with the hot air pipe, a combustion chamber is arranged at one end, far away from the burner, of the hearth, a two-pass smoke pipe is arranged on one side of the combustion chamber, a front smoke box is arranged on one side, far away from the combustion chamber, of the top end of the front smoke box is provided with a three-pass smoke pipe, the one end fixedly connected with back smoke box of preceding smoke box is kept away from to three return strokes tobacco pipe, three return strokes tobacco pipe top surfaces are provided with the furnace chamber, furnace chamber fixed connection in inside the steam drum, the furnace chamber top surface is provided with the water injection valve, the furnace chamber is close to one side of back smoke box is provided with the steam outlet pipe.

Furthermore, an air inlet pipe is arranged at one end, far away from the hot air box, of the hot air pipe, an air exhaust fan is arranged inside the air inlet pipe, and a temperature sensor is arranged at the top end of the air exhaust fan.

Furthermore, one end of the steam tank close to the front smoke box is provided with an explosion door.

Furthermore, the bottom end of the rear smoke box is provided with a smoke outlet.

Further, the bottom is provided with the linkage vane in the steam outlet pipe, the linkage vane bottom is rotated and is connected with the pivot, the pivot bottom is rotated and is connected with the driving gear, the driving gear bottom rolls and has closed driven gear, it is connected with the gangbar to rotate on the driven gear rotor plane, the gangbar is kept away from driven gear's one end is rotated and is connected with the piston, the piston slides and sets up in pressing the jar, it is provided with the air outlet valve to press jar bottom surface one side, the air outlet valve is kept away from the one end fixedly connected with pipe of boiler base, the pipe is kept away from the one end of air outlet valve is provided with the oxynitrides purification tank, the inside sodium hydroxide solution that is provided with of oxynitrides purification tank, one side at oxyn.

Furthermore, one side of the bottom surface of the pressure cylinder, which is far away from the air outlet valve, is provided with an air inlet valve.

Further, the air inlet valve is communicated with the smoke outlet.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) the utility model provides a power that full intelligence ultra-low nitrogen gas steam boiler extracted air through the inside temperature regulation of temperature-sensing ware perception furnace fan reaches the inside air input of change furnace, is preheated in advance through the hot air pipe to the air of pouring into in the furnace simultaneously for improve the burning in the furnace, make the flame temperature in the furnace reach the expectation.

(2) The utility model provides a full intelligent ultralow nitrogen gas steam boiler arranges automatic air exhaust device simultaneously through the oxynitrides purifying tank of design, can reach intelligent waste gas filtering's function according to steam output quantity automatically regulated bleed power.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a fully intelligent ultra-low nitrogen gas-steam boiler according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of the internal structure of a fully intelligent ultra-low nitrogen gas-steam boiler according to an embodiment of the present invention;

fig. 3 is a schematic diagram of the internal structure of the nitrogen oxide purifying device of the fully intelligent ultra-low nitrogen gas-steam boiler according to the embodiment of the present invention.

Reference numerals:

1. a boiler base; 2. a steam tank; 3. a burner; 4. an explosion vent; 5. a water injection valve; 6. a nitrogen oxide purification tank; 7. a furnace chamber; 8. a three-pass smoke pipe; 9. two return smoke pipes; 10. a front smoke box; 11. A hearth; 12. a hot air box; 13. a hot air pipe; 14. a flashback chamber; 15. an air inlet pipe; 16. a temperature sensor; 17. a smoke outlet; 18. an air extracting fan; 19. a rear smoke box; 20. a vapor outlet pipe; 21. linkage rotary vane; 22. a rotating shaft; 23. a driving gear; 24. a driven gear; 25. a linkage rod; 26. a piston; 27. a pressure cylinder; 28. an air outlet valve; 29. an intake valve; 30. a conduit; 31. an exhaust pipe; 32. a sodium hydroxide solution; 33. A burner tip.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top", "bottom", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of description and simplification of the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, a fully intelligent ultra-low nitrogen gas steam boiler according to an embodiment of the present invention comprises a boiler base 1, a steam tank 2, a burner 3 and an oxynitride purification tank 6, wherein the steam tank 2 is fixedly connected to the top surface of the boiler base 1, the burner 3 is disposed at one end of the boiler base 1, a hot air pipe 13 is disposed at the bottom inside the boiler base 1, a hearth 11 is disposed on the top surface of the hot air pipe 13, one end of the hearth 11 is fixedly connected to a burner nozzle 33 disposed at one end of the burner 3, a hot air box 12 is disposed on the bottom surface of the burner nozzle 33, the bottom end of the hot air box 12 is communicated with the hot air pipe 13, a flashback chamber 14 is disposed at one end of the hearth 11 away from the burner 3, a two-pass smoke pipe 9 is disposed at one side of the flashback chamber 14, a front smoke box 10 is disposed at one side of the two-pass smoke pipe 9 away from the flashback chamber 14, the top end of the front smoke box 10 is provided with a three-pass smoke pipe 8 at one side close to the combustion chamber 14, the three-pass smoke pipe 8 is far away from a rear smoke box 19 fixedly connected with one end of the front smoke box 10, the top surface of the three-pass smoke pipe 8 is provided with a furnace chamber 7, the furnace chamber 7 is fixedly connected inside the steam tank 2, the top surface of the furnace chamber 7 is provided with a water injection valve 5, and one side of the furnace chamber 7 close to the rear smoke box 19 is provided with a steam outlet pipe 20.

Through the above scheme of the utility model, the end of the hot air pipe 13 far away from the hot air box 12 is provided with the air inlet pipe 15, the air exhaust fan 18 is arranged inside the air inlet pipe 15, the top end of the air exhaust fan 18 is provided with the temperature sensor 16, the temperature inside the hearth 11 can be monitored in real time, the end of the steam tank 2 close to the front smoke box 10 is provided with the explosion door 4, the operation safety of the boiler can be ensured when the interior of the boiler is detected, the bottom end of the rear smoke box 19 is provided with the smoke outlet 17, the waste gas generated by the boiler work can be conveniently discharged, the bottom end inside the steam outlet pipe 20 is provided with the linkage rotary vane 21, the bottom end of the linkage rotary vane 21 is rotatably connected with the rotary shaft 22, the bottom end of the rotary shaft 22 is rotatably connected with the driving gear 23, the bottom end of the driving gear 23 is rolled with, the gangbar 25 is kept away from driven gear 24's one end is rotated and is connected with piston 26, piston 26 slides and sets up in pressing jar 27, it is provided with air outlet valve 28 to press 27 bottom surfaces one side of jar, air outlet valve 28 is kept away from the one end fixedly connected with pipe 30 of boiler base 1, pipe 30 is kept away from the one end of air outlet valve 28 is provided with oxynitrides purification tank 6, 6 inside sodium hydroxide solutions 32 that are provided with of oxynitrides purification tank, one side at 6 tops of oxynitrides purification tank is provided with blast pipe 31, the waste gas that can effectual filtration boiler work produced, press 27 bottom surfaces of jar are kept away from one side of air outlet valve 28 is provided with admission valve 29, admission valve 29 is linked together with outlet flue 17.

When the boiler works, the burner 3 is started to heat the inside of the hearth 11, the temperature sensor 16 senses the power of the temperature adjusting exhaust fan 18 inside the hearth 11 to suck air from the hot air pipe 13, preheats the air through the temperature inside the hearth 11, the air is mixed and sprayed out of flame through the burner nozzle 33, the heated air enters the two-return-stroke smoke pipe 9 through the combustion chamber 14, then enters the three-return-stroke smoke pipe 8 through the front smoke box 10, and finally enters the rear smoke box 19, the water inside the furnace chamber 7 is heated in the process to be changed into high-pressure steam, the combusted waste gas passes through the smoke outlet 17, the high-pressure steam is discharged through the steam outlet pipe 20, the linkage rotary vane 21 is pushed to rotate to drive the driving gear 23 to rotate, the piston is driven to slide up and down through the linkage of the driven gear 24 and the linkage rod 25, the waste gas is pumped out of the smoke outlet 17 and discharged into the oxynitride purification tank 6 through the gas outlet valve 28 to be purified, and finally discharged through the exhaust pipe 31.

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

1. The full-intelligent ultralow-nitrogen gas-steam boiler is characterized by comprising a boiler base (1), a steam tank (2), a burner (3) and a nitrogen oxide purifying tank (6), wherein the steam tank (2) is fixedly connected to the top surface of the boiler base (1), the burner (3) is arranged at one end of the boiler base (1), a hot air pipe (13) is arranged at the bottom inside the boiler base (1), a hearth (11) is arranged on the top surface of the hot air pipe (13), one end of the hearth (11) is fixedly connected with a burner nozzle (33) arranged at one end of the burner (3), a hot air box (12) is arranged on the bottom surface of the burner nozzle (33), the bottom end of the hot air box (12) is communicated with the hot air pipe (13), and a back combustion chamber (14) is arranged at one end, far away from the burner (3), of the hearth (11), two return-stroke smoke pipes (9) are arranged on one side of the afterburning chamber (14), the two return-stroke smoke pipes (9) are far away from one side of the afterburning chamber (14) and are provided with a front smoke box (10), the top end of the front smoke box (10) is close to one side of the afterburning chamber (14) and is provided with three return-stroke smoke pipes (8), the three return-stroke smoke pipes (8) are far away from one end fixedly connected with rear smoke box (19) of the front smoke box (10), the top surface of the three return-stroke smoke pipes (8) is provided with a furnace chamber (7), the furnace chamber (7) is fixedly connected with the interior of the steam tank (2), the top surface of the furnace chamber (7) is provided with a water injection valve (5), and the furnace chamber (7) is close to one side of the.

2. A fully intelligent ultra-low nitrogen gas steam boiler according to claim 1, wherein an air inlet pipe (15) is arranged at one end of the hot air pipe (13) far away from the hot air tank (12), an air exhaust fan (18) is arranged inside the air inlet pipe (15), and a temperature sensor (16) is arranged at the top end of the air exhaust fan (18).

3. A fully intelligent ultra-low nitrogen gas-fired steam boiler according to claim 1, characterized in that the end of the steam drum (2) close to the front smoke box (10) is provided with an explosion vent (4).

4. A fully intelligent ultra-low nitrogen gas-fired steam boiler according to claim 1, characterized in that the bottom end of the rear smoke box (19) is provided with a smoke outlet (17).

5. The full-intelligent ultralow-nitrogen gas steam boiler according to claim 1, wherein a linkage rotary vane (21) is arranged at the inner bottom end of the steam outlet pipe (20), a rotary shaft (22) is rotatably connected to the bottom end of the linkage rotary vane (21), a driving gear (23) is rotatably connected to the bottom end of the rotary shaft (22), a driven gear (24) is meshed with the bottom end of the driving gear (23), a linkage rod (25) is rotatably connected to the rotating surface of the driven gear (24), a piston (26) is rotatably connected to one end, far away from the driven gear (24), of the linkage rod (25), the piston (26) is slidably arranged in a pressure cylinder (27), an air outlet valve (28) is arranged on one side of the bottom surface of the pressure cylinder (27), a guide pipe (30) is fixedly connected to one end, far away from the boiler base (1), of the guide pipe (30) is provided with the nitrogen oxide purification tank (6), the nitrogen oxide purification tank (6) is internally provided with a sodium hydroxide solution (32), and one side of the top of the nitrogen oxide purification tank (6) is provided with an exhaust pipe (31).

6. A fully intelligent ultra-low nitrogen gas and steam boiler according to claim 5, characterized in that the side of the bottom surface of the pressure cylinder (27) remote from the gas outlet valve (28) is provided with a gas inlet valve (29).

7. A fully intelligent ultra-low nitrogen gas and steam boiler according to claim 6, wherein the air inlet valve (29) is in communication with the smoke outlet (17).