CN217057498U

CN217057498U - Boiler barrel suitable for steam boiler

Info

Publication number: CN217057498U
Application number: CN202122538316.4U
Authority: CN
Inventors: 陈文政; 梁宗文; 孙积文; 陈晨; 唐磊; 陈祥顺; 彭加华
Original assignee: Sichuan Lu Heng Energy Technology Co ltd
Current assignee: Sichuan Lu Heng Energy Technology Co ltd
Priority date: 2021-10-21
Filing date: 2021-10-21
Publication date: 2022-07-26
Anticipated expiration: 2031-10-21

Abstract

The utility model discloses a drum suitable for a steam boiler, which comprises a drum body (1), a saddle (2), an air pipe seat (3), a main steam pipe seat (4), an auxiliary steam pipe seat (5), a water feeding port (6) and a chemical feeding port (7); two ends of the bottom of the cylinder body (1) are provided with saddles (2); the top of the cylinder body (1) is sequentially provided with an air pipe seat (3), a main steam pipe seat (4) and an auxiliary steam pipe seat (5); the water feeding port (6) is arranged at the upper end part of the surface of the cylinder body (1); the medicine adding port (7) is arranged at the lower end part of the surface of the cylinder body (1). The utility model discloses an it is equipped with the steam-water separation equipment in the drum, can be to vapour and moisture division, and water falls to barrel (1) inner water space, and steam comes out from the drum top and gets into the over heater, absorbs heat in the over heater, makes saturated steam become superheated steam, supplies with the electricity generation of steam turbine.

Description

Boiler barrel suitable for steam boiler

Technical Field

The utility model relates to a waste heat boiler technical field especially relates to a drum suitable for steam boiler.

Background

In patent cn202021508184.x, a gas-fired steam boiler for recovering waste heat of flue gas is disclosed, comprising: a drum; a gas burner arranged below the boiler barrel; a water inlet pipe connected with the inlet of the boiler barrel; a steam discharge pipe connected with the outlet of the drum; the smoke exhaust fan is arranged at the top of the boiler barrel; a smoke discharge pipe connected with the smoke discharge fan; the outer sleeve of the water inlet pipe is provided with a heat transfer sleeve, the smoke discharge pipe is connected into the space between the water inlet pipe and the heat transfer sleeve, and the heat transfer sleeve is wrapped with a heat preservation layer. The flue gas after this patent passes through steam boiler burning is retrieved, preheats the flue gas that will have the waste heat to getting into steam boiler, and recycle discharges fume the waste heat, reduces gas steam boiler's energy consumption and improves heat energy efficiency, nevertheless can not carry out steam-water separation.

SUMMERY OF THE UTILITY MODEL

A primary object of the utility model is to provide a drum suitable for steam boiler through be equipped with steam-water separation equipment in the drum, can be with moisture division vapour, and water falls to drum water space in, and steam comes out from the drum top and gets into the over heater. The superheater absorbs heat, turns saturated steam into superheated steam, and supplies the superheated steam to the steam turbine to generate electricity.

In order to realize the purpose, the utility model provides a boiler barrel suitable for a steam boiler, which comprises a barrel body, a saddle, an air pipe seat, a main steam pipe seat, an auxiliary steam pipe seat, a water feeding port and a chemical feeding port; saddles are arranged at two ends of the bottom of the cylinder body; the top of the cylinder body is sequentially provided with an air pipe seat, a main steam pipe seat and an auxiliary steam pipe seat; the water supply port is arranged at the upper end part of the surface of the cylinder body; the medicine feeding port is arranged at the lower end part of the surface of the cylinder body.

Preferably, the top of the cylinder body is provided with a plurality of pressure gauge pipe seats, a plurality of safety valve pipe seats and a plurality of thermometer pipe seats; the pressure gauge pipe seat, the safety valve pipe seat and the thermometer pipe seat are respectively arranged on two sides of the top of the cylinder body; the safety valve tube seat, the thermometer tube seat and the pressure gauge tube seat are sequentially arranged on the two sides of the barrel from the middle to the end part.

Preferably, manhole devices are arranged on two axial sides of the cylinder body.

Preferably, the cylinder wall of the cylinder body is provided with a plurality of ascending connecting pipes and a plurality of descending connecting pipes; the descending connecting pipes are all arranged at the bottom of the cylinder body; the ascending connecting pipes are arranged in the middle of the cylinder body.

Preferably, the cylinder wall is provided with an emergency water outlet, a continuous sewage draining outlet and a fixed discharge pipe orifice.

Preferably, a plurality of water level gauge connecting pipes are arranged on the side wall of the cylinder body; the water level gauge connecting pipes are connected through a supporting plate.

Preferably, the joints of the connecting pipes and the cylinder body are provided with reinforcing rings.

Preferably, lifting lug devices are arranged on two sides of the top of the cylinder body.

The beneficial effects of the utility model specifically include:

the steam-water separation device is arranged in the drum, so that steam and water can be separated, the water falls into a water space in the drum, and the steam comes out from the top of the drum and enters the superheater. Absorbing heat in the superheater to change saturated steam into superheated steam, and supplying the superheated steam to a steam turbine for power generation;

and secondly, the waste heat boiler is used for providing high-quality steam outwards and supplying water inwards, steam-water mixture from the evaporator is separated in a boiler barrel provided with a separation baffle plate and a dry steam pipe, qualified steam can be conveyed outwards through a main steam valve, and the rest water continuously participates in circulation to absorb exhaust waste heat from the evaporator again.

Drawings

Fig. 1 is a front view of a drum suitable for use in a steam boiler according to the present invention;

fig. 2 is a sectional view of a drum a-a of the present invention, which is suitable for a steam boiler;

fig. 3 is a sectional view of a drum B-B suitable for a steam boiler according to the present invention.

The reference numbers indicate:

1-cylinder body, 2-saddle, 3-air pipe seat, 4-main steam pipe seat, 5-auxiliary steam pipe seat, 6-water supply port, 7-dosing port, 8-pressure gauge pipe seat, 9-safety valve pipe seat, 10-thermometer pipe seat, 11-manhole device, 12-ascending connecting pipe, 13-descending connecting pipe, 14-emergency water discharge port, 15-continuous sewage discharge port, 16-fixed discharge pipe port, 17-water level gauge connecting pipe, 18-support plate, 19-reinforcing ring and 20-lifting lug device.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The utility model provides an embodiment, refer to fig. 1, fig. 1 is that the utility model provides a drum elevation suitable for steam boiler.

Embodiment one, as shown in fig. 1-3, in this embodiment, a drum suitable for a steam boiler comprises a drum body 1, a saddle 2, an air pipe seat 3, a main steam pipe seat 4, an auxiliary steam pipe seat 5, a water supply port 6 and a chemical adding port 7; two ends of the bottom of the cylinder body 1 are provided with saddles 2; the top of the cylinder body 1 is sequentially provided with an air pipe seat 3, a main steam pipe seat 4 and an auxiliary steam pipe seat 5; the water feeding port 6 is arranged at the upper end part of the surface of the barrel body 1; the medicine feeding port 7 is arranged at the lower end part of the surface of the cylinder body 1.

The utility model discloses further set up to: the top of the cylinder body 1 is provided with a plurality of pressure gauge pipe seats 8, a plurality of safety valve pipe seats 9 and a plurality of thermometer pipe seats 10; the pressure gauge pipe seat 8, the safety valve pipe seat 9 and the thermometer pipe seat 10 are respectively arranged on two sides of the top of the barrel body 1; the safety valve tube seat 9, the thermometer tube seat 10 and the pressure gauge tube seat 8 are sequentially arranged on the two sides of the cylinder body 1 from the middle part to the end part. The pressure gauge, the safety valve and the thermometer are respectively arranged on the pressure gauge pipe seat 8, the safety valve pipe seat 9 and the thermometer pipe seat 10, and the monitoring of the internal condition of the boiler barrel is completed through the pressure gauge, the safety valve and the thermometer.

In this embodiment, 2-8 pressure gauge tube seats 8, safety valve tube seats 9 and thermometer tube seats 10 are respectively arranged, and the pressure gauge tube seats 8, the safety valve tube seats 9 and the thermometer tube seats 10 and the barrel 1 are of an integrated structure.

The utility model discloses further set up to: manhole devices 11 are arranged on two axial sides of the cylinder body 1. The manhole device is a sealing door, an inlet and an outlet are formed in two axial sides of the barrel body 1, and the sealing door is hinged to the inlet and the outlet and provided with a sealing ring.

Through the arrangement of the manhole device 11, the inner condition of the boiler barrel is convenient for workers to check and maintain.

The utility model discloses further set up to: the cylinder wall of the cylinder body 1 is provided with a plurality of ascending connecting pipes 12 and a plurality of descending connecting pipes 13; the descending connecting pipes 13 are all arranged at the bottom of the cylinder body 1; the ascending connecting pipes 12 are all arranged in the middle of the cylinder body 1.

In this embodiment, the number of the ascending connecting pipes 12 and the number of the descending connecting pipes 13 are respectively 2-8, and the ascending connecting pipes 12 and the descending connecting pipes 13 and the cylinder body 1 are of an integrally formed structure.

The utility model discloses further set up to: the cylinder wall of the cylinder body 1 is provided with an emergency water outlet 14, a continuous sewage outlet 15 and a fixed pipe orifice 16. The sewage in the drum is discharged through the emergency drain opening 14, the continuous sewage discharge opening 15 and the fixed discharge pipe opening 16.

In this embodiment, the emergency drain outlet 14, the continuous drain outlet 15 and the fixed-discharge pipe opening 16 are integrally formed with the barrel 1, and valves are installed on the emergency drain outlet 14, the continuous drain outlet 15 and the fixed-discharge pipe opening 16.

The utility model discloses further set up to: a plurality of water level meter connecting pipes 17 are arranged on the side wall of the cylinder body 1; the water level gauge connecting pipes 17 are connected through a supporting plate 18.

In this embodiment, the number of the water level meter connecting pipes 17 is specifically set to 2-8, and the inner side ends of the water level meter connecting pipes 17 extend into the barrel 1.

Embodiment two, on the basis of embodiment one, the utility model discloses further set up to: and reinforcing rings 19 are arranged at the joints of the connecting pipes and the cylinder body 1.

Through the arrangement of the reinforcing ring 1, all parts are connected with the boiler barrel more tightly.

The utility model discloses further set up to: lifting lug devices 20 are arranged on two sides of the top of the barrel body 1. The lifting lug device 20 is specifically a lifting seat, and the boiler barrel is conveniently lifted by external machinery through the arrangement of the lifting seat.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally placed when the products of the present invention are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and are only for convenience of description of the present invention and simplification of description, but do not indicate or imply that the designated devices or elements must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be further noted that, unless explicitly stated or limited otherwise, the terms "disposed" and "connected" are to be interpreted broadly, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; the connection may be direct or indirect via an intermediate medium, and may be a communication between the two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Claims

1. A boiler barrel suitable for a steam boiler is characterized by comprising a barrel body (1), a saddle (2), an air pipe seat (3), a main steam pipe seat (4), an auxiliary steam pipe seat (5), a water feeding port (6) and a chemical adding port (7); two saddles (2) are arranged at two ends of the bottom of the barrel body (1); the top of the cylinder body (1) is sequentially provided with an air pipe seat (3), a main steam pipe seat (4) and an auxiliary steam pipe seat (5); the water feeding port (6) is arranged at the upper end part of the surface of the cylinder body (1); the medicine feeding port (7) is arranged at the lower end part of the surface of the cylinder body (1);

the steam-water separation device is arranged in the barrel (1) and comprises a separation baffle, a steam pipe and an evaporator, wherein the separation baffle, the steam pipe and the evaporator are arranged in the barrel (1), and the steam pipe is located at the upper end of the separation baffle.

2. A boiler barrel suitable for a steam boiler according to claim 1, characterized in that the top of the barrel (1) is provided with a plurality of pressure gauge pipe seats (8), a plurality of relief valve pipe seats (9) and a plurality of thermometer pipe seats (10); the pressure gauge pipe seat (8), the safety valve pipe seat (9) and the thermometer pipe seat (10) are respectively arranged on two sides of the top of the barrel body (1); the safety valve tube seat (9), the thermometer tube seat (10) and the pressure gauge tube seat (8) are sequentially arranged on the two sides of the middle part and the end part of the cylinder body (1).

3. A boiler drum for a steam boiler, according to claim 1, characterized in that the drum (1) is provided with manhole means (11) on both axial sides.

4. A drum for a steam boiler according to claim 1, characterized in that the drum wall of the drum (1) is provided with a plurality of riser pipes (12) and a plurality of downcomer pipes (13); the descending connecting pipes (13) are all arranged at the bottom of the cylinder body (1); the ascending connecting pipes (12) are arranged in the middle of the cylinder body (1).

5. A boiler drum for a steam boiler, according to claim 1, characterized in that the drum wall of the drum (1) is provided with an emergency drain opening (14), a continuous drain opening (15) and a fixed nozzle (16).

6. A boiler barrel suitable for a steam boiler according to the claim 4, characterized in that, the side wall of the barrel (1) is provided with a plurality of water level gauge connecting pipes (17); the water level gauge connecting pipes (17) are connected through a supporting plate (18).

7. A drum suitable for a steam boiler according to claim 6, characterized in that the joints of the ascending connecting pipe (12), the descending connecting pipe (13), the water level gauge connecting pipe (17) and the drum (1) are provided with reinforcing rings (19).

8. A steam boiler drum, in accordance with claim 1, characterized in that the lifting lug means (20) are provided on both sides of the top of the drum (1).