CN210241531U

CN210241531U - Low-nitrogen vertical condensation steam generator

Info

Publication number: CN210241531U
Application number: CN201921872766.3U
Authority: CN
Inventors: Liang You; 游亮
Original assignee: Jiangsu Hansite Boiler Co ltd
Current assignee: Jiangsu Hansite Boiler Co ltd
Priority date: 2019-11-02
Filing date: 2019-11-02
Publication date: 2020-04-03
Anticipated expiration: 2029-11-02

Abstract

The utility model relates to a vertical condensation steam generator of low nitrogen. Including box, low nitrogen combustor, the internally mounted of box has the water level bucket, dry steam outlet has been seted up at the top of water level bucket, waste water discharge pipe is installed to the bottom of water level bucket, first inlet tube is installed in the left side of water level bottom of the bucket portion, the surface mounting of first inlet tube has first fin heat exchanger, first condensation heat exchanger is installed on first fin heat exchanger's right side. The fan through low nitrogen burner right side piping erection can effectually take out the waste gas in the low nitrogen burner, forms the air convection in the combustion chamber, gets into more oxygen, and the burning is more abundant, can make this device heat absorption fast through first condensation heat exchanger and second condensation heat exchanger, go out steam fast, heat conversion efficiency is high, exhaust gas temperature is low, safe cleanness, exhaust emission is few, energy-concerving and environment-protective, can in time observe the water level through water level bucket internally mounted's water level probe.

Description

Low-nitrogen vertical condensation steam generator

Technical Field

The utility model belongs to the technical field of steam generator, concretely relates to vertical condensation steam generator of low nitrogen.

Background

The steam generator is an important component of the steam power plant; the utility boiler, the steam turbine and the generator are the main machines of the thermal power station, so the utility boiler is the important equipment for producing electric energy; industrial boilers are indispensable equipment for providing steam required for production and heating in various industrial enterprises; the number of industrial boilers is large, and a large amount of fuel is consumed; the waste heat boiler which utilizes high-temperature waste gas in the production process as a heat source plays an important role in energy conservation; the marine boiler is arranged on various ships, and the generated steam is used for driving a steam power machine; locomotive boilers have certain applications as main equipment of steam locomotives. The boiler bears high temperature and high pressure, and the safety problem is very important; even if the boiler is a small boiler, once explosion happens, the consequences are very serious; therefore, strict regulations are set for material selection, design calculation, manufacture, inspection and the like of the boiler, and the traditional steam generator has the defects of high waste gas emission, slow heat absorption and steam discharge, low working efficiency, time consumption, resource consumption and the like, so that improvement is urgently needed.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned defect, aim at provides a vertical condensation steam generator of low nitrogen, and it is many to have solved traditional steam generator exhaust emissions, leads to the slow problem of heat absorption and play steam.

In order to achieve the above object, the utility model provides a following technical scheme: A1T low-nitrogen vertical condensation steam generator comprises a box body and a low-nitrogen burner, wherein a water level barrel is arranged inside the box body, a dry steam outlet is formed in the top of the water level barrel, a wastewater discharge pipe is arranged at the bottom of the water level barrel, a first water inlet pipe is arranged on the left side of the bottom of the water level barrel, a first fin-type heat exchanger is arranged on the surface of the first water inlet pipe, a first condensation heat exchanger is arranged on the right side of the first fin-type heat exchanger, the first water inlet pipe is connected with the low-nitrogen burner, a water outlet pipe is arranged on the right side of the bottom of the water level barrel, a second water inlet pipe is arranged at the top of the water level barrel, a second fin-type heat exchanger is arranged on the surface of the second water inlet pipe, a second condensation heat exchanger is arranged on the right side of the second fin, the steam superheater is arranged on the right side of the water level barrel, one end of the steam superheater is connected with the low-nitrogen combustor, and the bottom of the box body is provided with a supporting block.

Preferably, a water level probe is installed inside the water level barrel, and an overpressure protection switch is installed on the left side of the water level barrel.

Preferably, the left side of low-nitrogen combustor has the moisturizing valve through the pipe mounting, the bottom of low-nitrogen combustor has the gas valve through the pipe mounting.

Preferably, one end of the water outlet pipe is connected with a circulating water pump, and the circulating water pump is connected with the low-nitrogen combustor through a pipeline.

Preferably, the fan is installed through the pipe installation in the right side of low nitrogen combustor, the radiation shield sleeve is installed to the top of low nitrogen combustor.

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

the fan through low nitrogen burner right side piping erection can effectually take out the waste gas in the low nitrogen burner, form the air convection in the combustion chamber, get into more oxygen, the burning is more abundant, can make this device heat absorption fast through first condensation heat exchanger and second condensation heat exchanger, it is fast to go out steam, heat conversion efficiency is high, the exhaust gas temperature is low, it is safe clean, exhaust emission is few, energy-concerving and environment-protective, water level can in time be observed to water level probe through water level bucket internally mounted, the superpressure protection switch through water level bucket left side installation can effectually in time be closed when this device superpressure, this device of effectual protection, can effectually play better thermal-insulated heat preservation effect through the radiation shield, the rational utilization waste heat, make out steam fast, heat conversion efficiency is high.

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.

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

fig. 2 is a front view of the present invention;

fig. 3 is a cross-sectional view of the present invention.

In the figure: 1, a box body; 2, a water level barrel; 3, a dry steam outlet; 4, a water level probe; 5 an overvoltage protection switch; 6 a waste water discharge pipe; 7 a first water inlet pipe; 8 a first finned heat exchanger; 9, discharging a water pipe; 10 circulating water pump; 11 a support block; 12 steam superheater tubes; 13 a second finned heat exchanger; 14 a second condensing heat exchanger; 15 a heat insulating sleeve; 16 low-nitrogen burners; 17, a fan; 18 a gas valve; 19 a water replenishing valve; 20 a first condensing heat exchanger; 21 second inlet pipe.

Detailed Description

The utility model provides a following technical scheme: a low-nitrogen vertical condensation steam generator comprises a box body 1 and a low-nitrogen combustor 16, wherein a water level barrel 2 is installed inside the box body 1, a dry steam outlet 3 is formed in the top of the water level barrel 2, a wastewater discharge pipe 6 is installed at the bottom of the water level barrel 2, a first water inlet pipe 7 is installed on the left side of the bottom of the water level barrel 2, a first fin type heat exchanger 8 is installed on the surface of the first water inlet pipe 7, a first condensation heat exchanger 20 is installed on the right side of the first fin type heat exchanger 8, the first water inlet pipe 7 is connected with the low-nitrogen combustor 16, a water outlet pipe 9 is installed on the right side of the bottom of the water level barrel 2, a second water inlet pipe 21 is installed at the top of the water level barrel 2, a second fin type heat exchanger 13 is installed on the surface of the second water inlet pipe 21, a second condensation heat exchanger 14 is installed on the, a steam superheater pipe 12 is arranged on the right side of the water level barrel 2, one end of the steam superheater pipe 12 is connected with a low-nitrogen burner 16, and a supporting block 11 is arranged at the bottom of the box body 1.

Specifically, the water level probe 4 is installed inside the water level barrel 2, the overpressure protection switch 5 is installed on the left side of the water level barrel 2, the water level can be observed in time by installing the water level probe 4, the overpressure protection switch 5 can be closed in time when the device is in overpressure, and the device is effectively protected.

Specifically, a water replenishing valve 19 is installed on the left side of the low-nitrogen combustor 16 through a pipeline, a gas valve 18 is installed at the bottom of the low-nitrogen combustor 16 through a pipeline, the water replenishing valve 19 is installed to replenish water to the low-nitrogen combustor 16 in time, and the gas valve 19 is installed to adjust gas in time.

Specifically, one end of the water outlet pipe 9 is connected with a circulating water pump 10, the circulating water pump 10 is connected with the low-nitrogen combustor 16 through a pipeline, and the circulating water pump 10 is installed to effectively pump water in the water level barrel 2 into the low-nitrogen combustor 16 for recycling.

Specifically, fan 17 is installed through the pipe mounting in low-nitrogen combustor 16's right side, and the radiation shield 15 is installed to low-nitrogen combustor 16's top, and installation fan 17 can effectually take out the waste gas in the low-nitrogen combustor 16, forms the air convection in the combustion chamber, gets into more oxygen, and the burning is more abundant, and installation radiation shield 15 can effectually play better thermal-insulated heat preservation effect, and the rational utilization waste heat for it is fast, the thermal conversion is efficient to go out steam.

The utility model discloses a theory of operation and use flow: the utility model discloses install the back, at first add appropriate amount water to low nitrogen burner 16's inside, then adjustable gas valve 18, open the gas, then low nitrogen burner 16 carries out work, then exhaust gas in the low nitrogen burner 16 is taken out to startable fan 17, then steam passes through first inlet tube 7, second inlet tube 21 and steam superheater 12 get into water level bucket 2, then dry steam passes through dry steam outlet 3 and discharges, then through waste water discharge pipe 6 discharge waste water, then through circulating water pump 10 take out the water in the water level bucket 2 and put low nitrogen burner 16, the water yield in accessible water level probe 4 observation water level bucket 2.

Claims

1. The utility model provides a vertical condensation steam generator of low nitrogen, includes box (1), low nitrogen combustor (16), its characterized in that, the internally mounted of box (1) has water level bucket (2), dry steam outlet (3) have been seted up at the top of water level bucket (2), waste water discharge pipe (6) are installed to the bottom of water level bucket (2), first inlet tube (7) are installed in the left side of water level bucket (2) bottom, the surface mounting of first inlet tube (7) has first finned heat exchanger (8), first condensation heat exchanger (20) are installed on the right side of first finned heat exchanger (8), first inlet tube (7) are connected with low nitrogen combustor (16), outlet pipe (9) are installed on the right side of water level bucket (2) bottom, second inlet tube (21) are installed at the top of water level bucket (2), the surface mounting of second inlet tube (21) has second finned heat exchanger (13), second condensation heat exchanger (14) are installed on the right side of second finned heat exchanger (13), the one end of second inlet tube (21) is connected with low-nitrogen combustor (16), steam superheater tube (12) are installed on the right side of water level bucket (2), the one end of steam superheater tube (12) is connected with low-nitrogen combustor (16), supporting shoe (11) are installed to the bottom of box (1).

2. The vertical low-nitrogen condensation steam generator according to claim 1, characterized in that a water level probe (4) is installed inside the water level barrel (2), and an overpressure protection switch (5) is installed at the left side of the water level barrel (2).

3. The vertical condensing steam generator of claim 1 characterized by that the left side of said low nitrogen burner (16) is piped with a water make-up valve (19) and the bottom of said low nitrogen burner (16) is piped with a gas valve (18).

4. The vertical condensing steam generator of claim 1 characterized in that one end of the outlet pipe (9) is connected with a circulating water pump (10), and the circulating water pump (10) is connected with the low nitrogen burner (16) through a pipeline.

5. The vertical condensing steam generator of claim 1, characterized in that the right side of said low-nitrogen burner (16) is installed with a fan (17) through a pipe, and a heat insulating jacket (15) is installed above said low-nitrogen burner (16).