CN210688161U

CN210688161U - Steam generator

Info

Publication number: CN210688161U
Application number: CN201921552910.5U
Authority: CN
Inventors: 周洪良
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-18
Filing date: 2019-09-18
Publication date: 2020-06-05
Anticipated expiration: 2029-09-18

Abstract

The embodiment of the utility model discloses steam generator relates to indirect heating equipment technical field. The furnace comprises a furnace wall, a first container and a second container, wherein the first container and the second container respectively comprise an upper collecting box, a middle collecting box and a lower collecting box which are sequentially arranged from top to bottom, the upper collecting box is connected with the middle collecting box through a steam-water pipe, the middle collecting box is connected with the lower collecting box through a water wall pipe, the space between the first container and the second container is sequentially divided into a furnace chamber, a first return smoke chamber and a second return smoke chamber from bottom to top by the aid of the water wall pipe which is arranged in a staggered mode, the upper portion of the furnace chamber is communicated with the first return smoke chamber, the upper portion of the first return smoke chamber is communicated with the second return smoke chamber, and the upper collecting box is connected with a steam collecting pipe. The steam generator integrates two independent containers in an embedded mode, and one hearth is shared, so that the heating surface is reasonably arranged, the combustion is sufficient, the energy efficiency is improved, the use cost is reduced, the evaporation capacity of the generator is improved in a multiplied mode, and the operation of a driver is greatly facilitated.

Description

Steam generator

Technical Field

The embodiment of the utility model provides a relate to indirect heating equipment technical field, concretely relates to steam generator.

Background

The steam generator refers to an industrial device which heats water to a certain temperature and generates high-temperature steam, and is widely applied to industrial production; the fire burns in the hearth to generate heat, and the water is heated in the drum or the water pipe to become steam.

The prior art steam generators typically burn a flame to heat the water in a single vessel. The problems that exist are that: the water volume of the steam generator is generally less than 50L, so the conventional steam generator has the problem of smaller rated evaporation capacity, and the rated evaporation capacity of the conventional steam generator is generally 0.5t/h at present.

Disclosure of Invention

Therefore, the embodiment of the utility model provides a steam generator to there is the less problem of rated evaporation capacity in traditional steam generator among the solution prior art.

In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:

according to a first aspect of an embodiment of the present invention, the steam generator comprises a furnace wall, a first container and a second container, wherein the first container and the second container are symmetrically arranged in the furnace wall, the first container and the second container are structurally identical and each comprises an upper header, a middle header and a lower header, the upper header, the middle header and the lower header are sequentially arranged from top to bottom, the upper header is connected with the middle header through a plurality of steam pipes and an upper descending pipe, the middle header is connected with the lower header through a plurality of water wall pipes and a lower descending pipe, one water wall pipe of the first container is embedded between two water wall pipes of the second container, the staggered water wall pipes divide the space between the first container and the second container into a furnace chamber, a first return smoke chamber and a second return smoke chamber from bottom to top in sequence, the upper part of the furnace chamber is communicated with the first return smoke chamber, the upper part of the first return smoke chamber is communicated with the second return smoke chamber, and the lower part of the furnace wall is provided with a fuel inlet communicated with the furnace chamber, the upper part of the furnace wall is provided with a smoke outlet communicated with the second return smoke chamber, and the upper header is connected with a steam collecting pipe. The fuel added at the fuel inlet can be biomass particles, and can also be oil or gas.

Further, the water wall tube comprises an upper transverse tube, an upper vertical tube, a lower transverse tube and a lower vertical tube, the upper transverse tube and the lower transverse tube are transversely arranged on the same side of the middle header, the lower transverse tube is positioned on the lower side of the upper transverse tube, one end of the upper transverse tube is communicated with the middle header, the other end of the upper transverse tube is connected with the upper end of the upper vertical tube, the lower end of the upper vertical tube is connected with one end of the lower transverse tube, the other end of the lower transverse tube is connected with the upper end of the lower vertical tube, the lower header is connected with the lower end of the lower vertical tube, the hearth is positioned on the lower side of the lower transverse tube, the first return smoke chamber is positioned between the.

Furthermore, a plurality of steam-water pipes are arranged between the upper header and the middle header, the first container is in contact with the upper header of the second container, the second return smoke chamber is located between the steam-water pipes of the first container and the second container, and the second return smoke chamber is located on the lower side of the upper header.

Furthermore, a water level connecting pipe is connected between the upper header and the lower header.

Furthermore, two ends of the upper collection box are connected with the middle collection box through upper descending pipes, and two ends of the middle collection box are respectively connected with the lower collection box through lower descending pipes.

Furthermore, a rear smoke chamber communicated with the hearth and the first return smoke chamber is arranged in the furnace wall, a front smoke chamber communicated with the first return smoke chamber and the second return smoke chamber is also arranged in the furnace wall, the fuel inlet and the front smoke chamber are arranged on one side of the furnace wall, and the smoke outlet and the rear smoke chamber are arranged on the other side of the furnace wall.

Furthermore, a first fin is arranged on the water wall tube on one side of the furnace wall, a second fin is arranged on the water wall tube on the other side of the furnace wall, the first fin is arranged between the hearth and the first return smoke chamber in a sealing mode, and the second fin is arranged between the first return smoke chamber and the second return smoke chamber in a sealing mode.

Furthermore, an economizer is arranged at the smoke exhaust port.

The embodiment of the utility model provides a have following advantage:

the embodiment of the utility model provides a separate the oven inner chamber between first container and the second container for furnace, first return smoke chamber and second return smoke chamber through the water wall pipe, the flue gas of burning in the furnace is discharged into the atmosphere by the exhaust port after first return smoke chamber and second return smoke chamber in proper order. The first container and the second container are respectively provided with a water circulation system which is independent from each other, and steam generated by the first container and the second container is merged into the steam collecting pipe. The steam generator integrates two independent containers in an embedded mode, one hearth is shared, heating surfaces are reasonably arranged, combustion is sufficient, energy efficiency is improved, use cost is reduced, evaporation capacity of the generator is improved in a doubling mode, furnace operation is greatly facilitated, due to the fact that the double-container mutually-embedded structure is adopted, the furnace is compact in shape, occupied area of equipment is reduced, and investment of users is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

Fig. 1 is a schematic structural view of a first container and a second container embedded with each other according to embodiment 1 of the present invention;

fig. 2 is a schematic view of the separation of a first container from a second container according to embodiment 1 of the present invention;

fig. 3 is a schematic structural view of a first container according to embodiment 1 of the present invention;

fig. 4 is a schematic view of a steam generator provided in embodiment 1 of the present invention;

fig. 5 is a side view of a steam generator according to embodiment 1 of the present invention;

in the figure: 1-a first container 2-a second container 3-an upper header 4-a middle header 5-a lower header 6-a steam pipe 7-an upper descending pipe 8-a water wall pipe 9-a water level connecting pipe 10-a lower descending pipe 11-a hearth 12-a first return smoke chamber 13-a second return smoke chamber 14-a steam collecting pipe 15-a first fin 16-a second fin 17-a furnace wall 18-a fuel inlet 19-a rear smoke chamber 20-a front smoke chamber 21-an economizer 22-a smoke outlet 23-a sewage outlet 24-a water level meter interface 801-an upper horizontal pipe 802-an upper vertical pipe 803-a lower horizontal pipe 804-a lower vertical pipe.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. 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. In the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are considered to be within the scope of the present invention without substantial changes in the technical content.

Referring to fig. 1 to 5, the steam generator comprises a furnace wall 17, a first container 1 and a second container 2, the first container 1 and the second container 2 are identical in structure and symmetrically arranged in the furnace wall 17, the first container 1 and the second container 2 respectively comprise an upper header 3, a middle header 4 and a lower header 5 which are sequentially arranged from top to bottom, the upper header 3 is connected with the middle header 4 through a steam-water pipe 6, the middle header 4 is connected with the lower header 5 through a plurality of water-wall pipes 8, one water-wall pipe 8 of the first container 1 is embedded between the two water-wall pipes 8 of the second container 2, the staggered water-wall pipes 8 divide the space between the first container 1 and the second container 2 from bottom to top into a furnace chamber 11, a first return smoke chamber 12 and a second return smoke chamber 13, the upper part of the furnace chamber 11 is communicated with the first return smoke chamber 12, the lower part of the first return smoke chamber 12 is communicated with the second return smoke chamber 13, a fuel inlet 18 communicated with the furnace chamber 11 is arranged at the lower part of the furnace wall 17, the upper part of the furnace wall 17 is provided with a smoke outlet 22 communicated with the second return smoke chamber 13, and the upper header 3 is connected with a steam collecting pipe 14.

A water level connecting pipe 9 is connected between the upper header 3 and the lower header 5, a water level meter interface 24 is arranged at the upper part of the water level connecting pipe 9, and a sewage draining outlet 23 is arranged at the lower end. The two ends of the upper header 3 are connected with the middle header 4 through upper descending pipes 7, and the two ends of the middle header 4 are respectively connected with the lower header 5 through lower descending pipes 10. Water in the lower header 5 and the water wall tube 8 forms a steam-water mixture after being heated to flow upwards, and pushes water with low temperature in the upper header 3 to downwards enter the middle header 4 through the upper descending tube 7, and water with low temperature in the middle header 4 enters the lower header 5 through the lower descending tube 10, so that the circulating flow of water is realized, the vaporization of water is finally realized to obtain steam, and the heat exchange efficiency is improved.

The water wall pipe 8 in this embodiment includes violently pipe 801 on, go up standpipe 802, violently pipe 803 and lower standpipe 804 down, go up violently pipe 801 and violently pipe 803 down transversely set up the same side at well collection case 4, violently pipe 803 is located the downside of violently pipe 801 down, go up collection case 4 in the one end intercommunication of violently pipe 801, the upper end of connecting up standpipe 802 on the other end, the one end of violently pipe 803 is down connected to the lower extreme of going up standpipe 802, the upper end of standpipe 804 is down connected to the other end of violently pipe 803 down, collection case 5 down is connected to the lower extreme of standpipe 804 down, furnace 11 is located the downside of violently pipe 803 down, first return smoke chamber 12 is located violently between pipe 801 and the violently pipe 803 down, second return smoke chamber 13 is located. The upper vertical pipe 802 of the first container 1 is positioned right below the central collecting tank 4 of the second container 2, and similarly, the upper vertical pipe 802 of the second container 2 is positioned right below the central collecting tank 4 of the first container 1, so that a relatively sealed hearth 11 is formed, and heat generated by combustion is fully absorbed. The upper horizontal pipe 801 is inclined downwards gradually in the direction from the lower vertical pipe 804 to the upper vertical pipe 802, and the lower horizontal pipe 803 is inclined upwards gradually in the direction from the lower vertical pipe 804 to the upper vertical pipe 802.

A plurality of steam-water pipes 6 are arranged between the upper header 3 and the middle header 4, the steam-water pipes 6 are arranged along the length direction of the upper header 3, the first container 1 is in contact with the upper header 3 of the second container 2, the second return smoke chamber 13 is positioned between the steam-water pipes 6 of the first container 1 and the second container 2, and the upper header 3, the steam-water pipes 6 and the upper cross pipe 801 of the first container 1 and the second container 2 surround to form the second return smoke chamber 13.

A rear smoke chamber 19 communicated with the hearth 11 and the first return smoke chamber 12 is arranged in the furnace wall 17, a front smoke chamber 20 communicated with the first return smoke chamber 12 and the second return smoke chamber 13 is further arranged in the furnace wall 17, the fuel inlet 18 and the front smoke chamber 20 are arranged on one side of the furnace wall 17, the smoke outlet 22 and the rear smoke chamber 19 are arranged on the other side of the furnace wall 17, therefore, smoke generated by combustion of fuel entering the furnace chamber 11 from the fuel inlet 18 on one side of the furnace wall 17 enters the first return smoke chamber 12 through the rear smoke chamber 19 on the other side of the furnace wall 17, then enters the second return smoke chamber 13 through the front smoke chamber 20 on one side of the furnace wall 17, and finally is discharged through the energy saver 21 and the smoke outlet 22, the smoke flows in an S shape in the furnace wall 17, so that the contact area of the smoke with the first container 1 and the second container 2 is increased, and the heat.

The water wall pipe 8 on one side of the furnace wall 17 is provided with a first fin 15, the water wall pipe 8 on the other side of the furnace wall 17 is provided with a second fin 16, the first fin 15 is arranged between the hearth 11 and the first return smoke chamber 12 in a sealing mode, so that smoke can only enter the first return smoke chamber 12 through the rear smoke chamber 19, the second fin 16 is arranged between the first return smoke chamber 12 and the second return smoke chamber 13 in a sealing mode, and the smoke can only enter the second return smoke chamber 13 through the front smoke chamber 20.

The embodiment of the utility model provides a separate 17 inner chambers of oven between first container 1 and the second container 2 for furnace 11, first return smoke chamber 12 and second return smoke chamber 13 through water wall pipe 8, the flue gas of burning in furnace 11 is discharged into the atmosphere by exhaust port 22 after first return smoke chamber 12 and second return smoke chamber 13 in proper order. The first container 1 and the second container 2 are respectively provided with a water circulation system which are independent from each other, steam generated by the first container 1 and the second container 2 is merged into the steam collecting pipe 14, the two independent containers are embedded and combined into a whole by the steam generator, and share a hearth, so that the heating surface is reasonably arranged, the combustion is sufficient, the energy efficiency is improved, the use cost is reduced, the evaporation capacity of the generator is improved in a multiple manner, the operation of a driver furnace is greatly facilitated, the furnace type is compact due to the adoption of a double-container mutual embedded structure, the occupied area of equipment is reduced, and the investment of a user is reduced.

The utility model discloses first container 1 and the single volume less than or equal to 50 liters of second container 2, but with first container 1 and the mutual embedding back of second container 2, the heating surface increases about one time than traditional steam generator, has had the improvement of doubling than the steam generator's of traditional single container evaporation capacity, and the evaporation capacity can reach 2t/h when adopting natural gas fuel. The steam generator has the characteristics of simple and compact structure, rapid steam production and the like. The steam generator can be used for burning fuel gas and is also suitable for burning biomass particles.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. A steam generator, characterized by: the steam generator comprises a furnace wall (17), a first container (1) and a second container (2), wherein the first container (1) and the second container (2) are identical in structure and symmetrically arranged in the furnace wall (17), the first container (1) and the second container (2) respectively comprise an upper header (3), a middle header (4) and a lower header (5) which are sequentially arranged from top to bottom, the upper header (3) is connected with the middle header (4) through a plurality of steam-water pipes (6) and an upper descending pipe (7), the middle header (4) is connected with the lower header (5) through a plurality of water-cooled wall pipes (8) and a lower descending pipe (10), one water-cooled wall pipe (8) of the first container (1) is embedded between two water-cooled wall pipes (8) of the second container (2), the water-cooled wall pipes (8) which are arranged in a staggered mode divide the space between the first container (1) and the second container (2) into a hearth (11) from bottom to top in sequence, The device comprises a first return smoke chamber (12) and a second return smoke chamber (13), wherein the upper part of a hearth (11) is communicated with the first return smoke chamber (12), the upper part of the first return smoke chamber (12) is communicated with the second return smoke chamber (13), a fuel inlet (18) communicated with the hearth (11) is formed in the lower part of a furnace wall (17), a smoke exhaust port (22) communicated with the second return smoke chamber (13) is formed in the upper part of the furnace wall (17), and an upper header (3) is connected with a steam collecting pipe (14).

2. The steam generator of claim 1, wherein: the water wall tube (8) comprises an upper transverse tube (801), an upper vertical tube (802), a lower transverse tube (803) and a lower vertical tube (804), wherein the upper transverse tube (801) and the lower transverse tube (803) are transversely arranged on the same side of a central collecting box (4), the lower transverse tube is positioned on the lower side of the upper transverse tube (801), one end of the upper transverse tube (801) is communicated with the central collecting box (4), the other end of the upper transverse tube (802) is connected with the upper end of the upper vertical tube (802), the lower end of the upper vertical tube (802) is connected with one end of the lower transverse tube (803), the other end of the lower transverse tube (803) is connected with the upper end of the lower vertical tube (804), the lower collecting box (5) is connected with the lower end of the lower vertical tube (804), the furnace chamber (11) is positioned on the lower side of the lower transverse tube (803), the first return flue chamber (12) is positioned between the upper transverse tube (801) and the.

3. The steam generator of claim 1, wherein: the improved steam-water separator is characterized in that a plurality of steam-water pipes (6) are arranged between the upper header (3) and the middle header (4), the upper header (3) of the first container (1) is in contact with the upper header of the second container (2), the second return smoke chamber (13) is located between the steam-water pipes (6) of the first container (1) and the second container (2), and the second return smoke chamber (13) is located on the lower side of the upper header (3).

4. The steam generator of claim 1, wherein: and a water level connecting pipe (9) is connected between the upper header (3) and the lower header (5).

5. The steam generator of claim 1, wherein: the two ends of the upper collection box (3) are connected with the middle collection box (4) through an upper descending pipe (7), and the two ends of the middle collection box (4) are respectively connected with the lower collection box (5) through a lower descending pipe (10).

6. The steam generator of claim 1, wherein: the furnace wall (17) is internally provided with a rear smoke chamber (19) communicated with the hearth (11) and the first return smoke chamber (12), the furnace wall (17) is also internally provided with a front smoke chamber (20) communicated with the first return smoke chamber (12) and the second return smoke chamber (13), the fuel inlet (18) and the front smoke chamber (20) are arranged on one side of the furnace wall (17), and the smoke outlet (22) and the rear smoke chamber (19) are arranged on the other side of the furnace wall (17).

7. The steam generator of claim 6, wherein: the novel furnace is characterized in that a first fin (15) is arranged on the water wall tube (8) on one side of the furnace wall (17), a second fin (16) is arranged on the water wall tube (8) on the other side of the furnace wall (17), the first fin (15) is arranged between the furnace chamber (11) and the first return smoke chamber (12) in a sealing mode, and the second fin (16) is arranged between the first return smoke chamber (12) and the second return smoke chamber (13) in a sealing mode.

8. The steam generator of claim 1, wherein: an economizer (21) is arranged at the smoke outlet (22).