CN213019578U

CN213019578U - Multi-stage boiler

Info

Publication number: CN213019578U
Application number: CN202021086238.8U
Authority: CN
Inventors: 赵永万
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-13
Filing date: 2020-06-13
Publication date: 2021-04-20
Anticipated expiration: 2030-06-13

Abstract

The utility model discloses a multistage boiler, a plurality of lower water tanks which are separated from each other are arranged on the lower end surface of a bottom plate of a heating chamber, a plurality of upper water tanks which are separated from each other are arranged on the upper end surface of a top plate of the heating chamber, the upper water tanks are communicated with the lower water tanks below the upper water tanks through a plurality of first communicating pipes, the upper water tanks are communicated with the previous lower water tank through a plurality of second communicating pipes, the multistage heating of water in the boiler can be realized, a plurality of water tanks which are close to a heating device are main steam generating water tanks, the water entering from a water inlet pipe of the rearmost lower water tank can utilize the heat in the heating chamber when water enters, the water is heated at the same time of water entering, thereby further utilizing the heat, along with the forward conveying of one level, the temperature of the water entering is higher and higher, when the water enters into a plurality of water tanks which are close to the heating device, the steam generating, the steam generation rate of the boiler is stable, the efficiency is high, the heat efficiency is improved, and the energy consumption is reduced.

Description

Multi-stage boiler

Technical Field

The utility model relates to a boiler technical field especially relates to a multistage boiler.

Background

The boiler is an energy conversion device, the energy input to the boiler comprises chemical energy and electric energy in fuel, and the boiler outputs steam, high-temperature water or an organic heat carrier with certain heat energy. The hot water or steam generated in the boiler can directly provide heat energy for industrial production and people life, and can also be converted into mechanical energy through a steam power device, or the mechanical energy is converted into electric energy through a generator. A steam boiler refers to an industrial boiler that heats water to certain parameters and produces high temperature steam. The steam boiler needs to consume a large amount of water in the working process, so water needs to be continuously added into the boiler, the steam boiler needs to continuously add water when in use, most of the conventional steam boilers directly inject water into the boiler when adding water, and the mode influences the steam generation rate of the steam boiler due to the fact that the added water temperature is too low, and is not beneficial to use of people. And the existing steam boiler generally has the problems of low thermal efficiency and large energy consumption.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multistage boiler to the not enough of above-mentioned prior art.

In order to solve the above problems, the utility model adopts the following technical proposal:

the utility model provides a multistage boiler, includes the heating bunker, the heating bunker front end is equipped with heating device, the heating bunker rear end is equipped with the ventilation hole, the terminal surface is equipped with a plurality of lower water tanks that separate each other under the bottom plate of heating bunker, the roof up end of heating bunker is equipped with a plurality of upper water tanks that separate each other, and the upper water tank is through a plurality of first communicating pipes and the lower water tank intercommunication of this upper water tank below, and the upper water tank is through a plurality of second communicating pipes and preceding lower water tank intercommunication, first communicating pipe and second communicating pipe all set up in the heating bunker, and the lower water tank intercommunication that is located the rearmost has the inlet tube, and every upper water tank upper portion all communicates has steam branch pipe, and a plurality of steam branch pipes are responsible for the intercommunication through steam, the one end intercommunication that steam was responsible for.

According to a further technical scheme, the steam-water separator further comprises a vertically arranged water level monitoring pipe, the water level monitoring pipe is communicated with a lower water tank at the foremost end through a fifth communicating pipe, a water level monitoring device is arranged on the water level monitoring pipe, and the upper portion or the upper end of the water level monitoring pipe is communicated with the steam main pipe through a sixth communicating pipe.

The water level monitoring device is a water level sensor or a water level meter.

According to a further technical scheme, the preheating device is arranged at the rear end inside the heating bin and comprises a preheating pipe which is arranged inside the heating bin in a bending and folding mode, fins are arranged on the preheating pipe, the inlet end of the preheating pipe is communicated with a third communicating pipe, the third communicating pipe extends to the outside of the heating bin, the outlet end of the preheating pipe is communicated with a fourth communicating pipe, and the other end of the fourth communicating pipe is communicated with the water inlet pipe.

According to a further technical scheme, the anti-explosion water tank further comprises a lower anti-explosion strip and an upper anti-explosion strip, wherein the lower anti-explosion strip is arranged on the lower end faces of the lower water tanks, and the upper anti-explosion strip is arranged on the upper end faces of the upper water tanks.

The further technical scheme is that a fan is arranged at the position of the ventilation hole.

The further technical proposal is that the heating device is a burner.

The technical scheme is that the lower end face of the lower water tank is provided with a drain pipe, and a valve is arranged on the drain pipe.

A further technical scheme is that heat preservation layers are arranged on the inner sides of the left side plate and the right side plate of the heating bin.

A further technical scheme is that the outer side of the heating bin, the outer side of the upper water tank and the outer side of the lower water tank are all coated with heat insulation materials.

Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:

the utility model discloses end face is equipped with a plurality of lower water tanks that separate each other under the bottom plate of heating chamber, end face is equipped with a plurality of upper water tanks that separate each other on the roof of heating chamber, upper water tank passes through a plurality of first communicating pipes and communicates with the lower water tank below this upper water tank, upper water tank passes through a plurality of second communicating pipes and communicates with the former lower water tank, can realize the multistage heating of boiler water, several water tanks that are close to heating device are main steam generation water tanks, the water that gets into from the inlet tube that lies in the rearmost lower water tank can utilize the heat in the heating chamber, simultaneously, heat water, thereby further utilize the heat, along with the one-level onward transport of one-level, the temperature of intaking is higher and higher, when intaking gets into several water tanks that are close to heating device, can not influence the steam generation rate of steam boiler because the temperature is too low, the steam generation rate of boiler is stable, high efficiency, high heat efficiency and low energy consumption. The preheating device can preheat the inlet water before the inlet water enters the last lower water tank, so that the heat in the heating bin can be fully utilized, and the heat efficiency is improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view in another direction of the present invention;

fig. 3 is a schematic structural view of the heating chamber of the present invention with the top plate removed.

In the figure: 1. a heating chamber; 2. a heating device; 3. a vent hole; 4. a lower water tank; 5. a water feeding tank; 6. a first communication pipe; 7. a second communicating pipe; 8. a steam branch pipe; 9. a main steam pipe; 10. a steam supply pipe; 11. a water inlet pipe; 12. a water level monitoring pipe; 13. a fifth communicating pipe; 14. a water level monitoring device; 15. a sixth communicating pipe; 16. a preheating pipe; 17. a fin; 18. a third communicating pipe; 19. a fourth communicating pipe; 20. a lower explosion-proof strip; 21. mounting an explosion-proof strip; 22. a fan; 23. a drain pipe; 24. and (7) an insulating layer.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1-3, a multi-stage boiler comprises a heating chamber 1, a heating device 2 is disposed at the front end of the heating chamber 1, the heating device 2 is a burner, a vent hole 3 is disposed at the rear end of the heating chamber 1, in this embodiment, the vent hole 3 is disposed at the rear end of the top plate of the heating chamber 1, a fan 22 is disposed at the vent hole 3, a plurality of lower water tanks 4 spaced apart from each other are disposed at the lower end surface of the bottom plate of the heating chamber 1, a plurality of upper water tanks 5 spaced apart from each other are disposed at the upper end surface of the top plate of the heating chamber 1, the upper water tanks 5 are communicated with the lower water tanks 4 below the upper water tanks 5 through a plurality of first communication pipes 6, the upper water tanks 5 are communicated with the previous lower water tank 4 through a plurality of second communication pipes 7, the first communication pipes 6 and the second communication pipes 7 are both disposed in the heating chamber 1, the first communication pipes 6 are vertically disposed, the lower ends of the, the upper end of first communicating pipe 6 is connected with heated warehouses 1's roof, the slope of second communicating pipe 7 sets up, the lower extreme of second communicating pipe 7 is connected with heated warehouses 1's bottom plate, the upper end of second communicating pipe 7 is connected with heated warehouses 1's roof, and the lower water tank 4 intercommunication that is located the rearmost end has inlet

tube

11, and 5 upper portions of every upper water tank all communicate has steam branch pipe 8, and a plurality of steam branch pipes 8 are responsible for 9 intercommunications through steam, the one end intercommunication that steam was responsible for 9 has steam supply pipe 10, carries steam to the place that needs to use steam through steam supply pipe 10.

The steam boiler is characterized by further comprising a water level monitoring pipe 12 which is vertically arranged, the water level monitoring pipe 12 is communicated with the lower water tank 4 at the foremost end through a fifth communicating pipe 13, a water level monitoring device 14 is arranged on the water level monitoring pipe 12, and the upper portion or the upper end of the water level monitoring pipe 12 is communicated with the steam main pipe 9 through a sixth communicating pipe 15. The water level monitoring device 14 is a water level sensor or a water level meter. In this embodiment, the diameter of the upper portion of the water level monitoring pipe 12 is larger than the diameter of the lower portion, the water level monitoring device 14 is a water level sensor, the water level sensor is installed at the end of the water level monitoring pipe 12 with the larger diameter of the upper portion, and the sixth communication pipe 15 penetrates through the upper side wall of the water level monitoring pipe 12 and is communicated with the water level monitoring pipe 12.

The preheating device is arranged at the rear end inside the heating bin 1 and comprises a preheating pipe 16 which is arranged inside the heating bin 1 in a bending and folding mode, fins 17 are arranged on the preheating pipe 16, the inlet end of the preheating pipe 16 is communicated with a third communicating pipe 18, the third communicating pipe 18 extends to the outside of the heating bin 1, the outlet end of the preheating pipe 16 is communicated with a fourth communicating pipe 19, and the other end of the fourth communicating pipe 19 is communicated with the water inlet pipe 11.

Still include explosion-proof strip 20 and last explosion-proof strip 21 down, explosion-proof strip 20 sets up in the lower terminal surface of a plurality of lower water tanks 4 down, go up explosion-proof strip 21 and set up in the up end of a plurality of upper water tanks 5, can strengthen the structural strength of boiler.

The lower terminal surface of lower water tank 4 still is provided with drain pipe 23, is equipped with the valve on the drain pipe 23. When the boiler is not used, the water in the lower water tank 4 is discharged and the sewage is discharged.

And heat preservation layers 24 are arranged on the inner sides of the left side plate and the right side plate of the heating bin 1. The outside of the heating bin 1, the outside of the upper water tank 5 and the outside of the lower water tank 4 are all coated with heat insulation materials.

The working principle is as follows: the utility model discloses end surface is equipped with a plurality of lower header tanks 4 that separate each other under the bottom plate of heating chamber 1, end surface is equipped with a plurality of upper header tanks 5 that separate each other on the roof of heating chamber 1, upper header tank 5 communicates with lower header tank 4 below this upper header tank 5 through a plurality of first communicating pipes 6, upper header tank 5 communicates with preceding lower header tank 4 through a plurality of second communicating pipes 7, can realize the multistage heating of boiler water, several water tanks that are close to heating device are main steam generation water tanks, the heat in heating chamber 1 can be utilized to the hydroenergy that gets into from the inlet tube 11 that is located rearmost lower header tank 4, when intaking, heat is heated to further utilization heat, along with the one-level onward transport of one-level, the temperature of intaking is higher and higher, when intaking into several water tanks that are close to heating device 2, can not influence steam boiler's steam generation rate because the temperature is too low, the steam generation rate of the boiler is stable, the efficiency is high, the heat efficiency is improved, and the energy consumption is reduced. The preheating device can preheat the inlet water before the inlet water enters the rearmost lower water tank 4, so that the heat in the heating bin 1 can be fully utilized, and the heat efficiency is improved.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.

Claims

1. A multi-stage boiler, characterized in that: comprises a heating bin (1), the front end of the heating bin (1) is provided with a heating device (2), the rear end of the heating bin (1) is provided with a vent hole (3), the lower end face of the bottom plate of the heating bin (1) is provided with a plurality of lower water tanks (4) which are mutually separated, the upper end face of the top plate of the heating bin (1) is provided with a plurality of upper water tanks (5) which are mutually separated, the upper water tanks (5) are communicated with the lower water tanks (4) below the upper water tanks (5) through a plurality of first communicating pipes (6), the upper water tanks (5) are communicated with the previous lower water tank (4) through a plurality of second communicating pipes (7), the first communicating pipes (6) and the second communicating pipes (7) are both arranged in the heating bin (1), the lower water tanks (4) positioned at the rearmost end are communicated with a water inlet pipe (11), the upper parts of each upper water tank (5) are communicated with steam branch pipes (8), and a plurality of steam branch pipes (8, one end of the main steam pipe (9) is communicated with a steam supply pipe (10).

2. A multi-stage boiler according to claim 1, characterized in that: the steam-water separator is characterized by further comprising a vertically arranged water level monitoring pipe (12), wherein the water level monitoring pipe (12) is communicated with the bottommost water tank (4) through a fifth communicating pipe (13), a water level monitoring device (14) is arranged on the water level monitoring pipe (12), and the upper portion or the upper end of the water level monitoring pipe (12) is communicated with the steam main pipe (9) through a sixth communicating pipe (15).

3. A multi-stage boiler according to claim 2, characterized in that: the water level monitoring device (14) is a water level sensor or a water level meter.

4. A multi-stage boiler according to claim 1, characterized in that: still include preheating device, preheating device sets up in the inside rear end of heating bunker (1), sets up in the inside preheating tube (16) of heating bunker (1) including crooked folding, be provided with fin (17) on preheating tube (16), the entrance point intercommunication of preheating tube (16) has third communicating pipe (18), third communicating pipe (18) extend to heating bunker (1) outside, the exit end intercommunication of preheating tube (16) has fourth communicating pipe (19), fourth communicating pipe (19) other end and inlet tube (11) intercommunication.

5. A multi-stage boiler according to claim 1, characterized in that: the anti-explosion water tank is characterized by further comprising a lower anti-explosion strip (20) and an upper anti-explosion strip (21), wherein the lower anti-explosion strip (20) is arranged on the lower end faces of the lower water tanks (4), and the upper anti-explosion strip (21) is arranged on the upper end faces of the upper water tanks (5).

6. A multi-stage boiler according to claim 1, characterized in that: and a fan (22) is arranged at the ventilation hole (3).

7. A multi-stage boiler according to claim 1, characterized in that: the heating device (2) is a burner.

8. A multi-stage boiler according to claim 1, characterized in that: the lower end face of the lower water tank (4) is also provided with a drain pipe (23), and a valve is arranged on the drain pipe (23).

9. A multi-stage boiler according to claim 1, characterized in that: and heat preservation layers (24) are arranged on the inner sides of the left side plate and the right side plate of the heating bin (1).

10. A multi-stage boiler according to claim 1, characterized in that: the outer side of the heating bin (1), the outer side of the upper water tank (5) and the outer side of the lower water tank (4) are all coated with heat-insulating materials.