CN218721396U - Large-scale module assembled overhead drum condensation steam boiler - Google Patents
Large-scale module assembled overhead drum condensation steam boiler Download PDFInfo
- Publication number
- CN218721396U CN218721396U CN202222853771.8U CN202222853771U CN218721396U CN 218721396 U CN218721396 U CN 218721396U CN 202222853771 U CN202222853771 U CN 202222853771U CN 218721396 U CN218721396 U CN 218721396U
- Authority
- CN
- China
- Prior art keywords
- heating surface
- surface assembly
- overhead
- drum
- steam
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model relates to a large-scale modular assembled overhead drum condensation steam boiler, receive hot side subassembly, convection current and receive hot side subassembly and overhead drum including furnace radiation, arrange side by side about convection current receives hot side subassembly and the furnace radiation receives hot side subassembly, the overhead drum arranges in furnace radiation receives hot side subassembly and convection current and receives hot side subassembly upper portion to be located furnace radiation receives hot side subassembly and convection current and receive hot side subassembly in the middle of. The independent overhead steam pocket is arranged, each modularized structure is compact, split transportation is adopted, welding and assembling are carried out after the overhead steam pocket arrives at the site, the installation is convenient, the site construction period is short, and the evaporation capacity of the boiler can be increased to 100t/h.
Description
Technical Field
The utility model relates to an industrial boiler technical field, concretely relates to large-scale module assembled overhead drum condensation steam 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. With the development of economy, the requirement on the evaporation capacity of a single boiler is higher and higher, and the tonnage is increased from 75t/h, 90t/h and even 100t/h.
In the prior art, for example, the boilers with patent numbers CN102200271A and CN204880066U adopt an upper drum in a convection heating surface assembly as a built-in steam drum, the upper drum is connected with a convection tube bundle to form a smoke gas flow section, and the upper drum is larger than a lower drum. The upper drum as the built-in drum needs to be correspondingly increased along with the increase of the tonnage of the boiler, but the transportation size is limited, the maximum evaporation capacity of 80t/h can be generally achieved by the boiler, a solution is not made for the problem of module assembly of a steam boiler with a larger tonnage, and therefore, the development of a large module assembly type overhead drum condensation steam boiler is urgent on the basis.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned not enough, provide a large-scale module assembly formula overhead steam pocket condensation steam boiler, can promote the boiler evaporation capacity to 100 th, its is rational in infrastructure, compact, simple to operate to can realize that the modularization is put in order and is dispatched from the factory, make solution to the module equipment ization problem of the steam boiler of large-tonnage.
The purpose of the utility model is realized like this:
a large-scale module assembly type overhead steam drum condensation steam boiler comprises a hearth radiation heating surface assembly, a convection heating surface assembly and an overhead steam drum, wherein the convection heating surface assembly and the hearth radiation heating surface assembly are arranged side by side from left to right, and the overhead steam drum is arranged on the upper portions of the hearth radiation heating surface assembly and the convection heating surface assembly and is positioned between the hearth radiation heating surface assembly and the convection heating surface assembly.
Preferably, the bottom of the overhead steam drum is respectively connected to the bottoms of the furnace radiation heating surface assembly and the convection heating surface assembly through a downcomer.
Preferably, two sides of the overhead steam drum are respectively connected with the tops of the hearth radiation heating surface assembly and the convection heating surface assembly through steam guide pipes.
Preferably, the convection heating surface assembly is provided with a superheater, and the superheater is arranged outside the convection heating surface assembly.
Preferably, the overhead drum is connected with the superheater through an outlet pipe.
Preferably, the economizer is disposed on the other side of the convection heating surface assembly, and the condenser is disposed behind the economizer.
Preferably, the hearth radiation heating surface assembly, the convection heating surface assembly and the overhead steam drum are transported in a split mode and welded and assembled on a construction site.
The utility model has the advantages that:
the independent overhead steam drum is arranged, each modularized structure is compact, split transportation is adopted, welding and assembling are carried out after the steam drum arrives at the site, the installation is convenient, the site construction period is short, and the evaporation capacity of the boiler can be improved to 100t/h.
Drawings
Fig. 1 is a side view of the whole structure of a large-scale modular assembled overhead drum condensation steam boiler of the present invention.
Fig. 2 is a top view of the large-scale modular assembled overhead drum condensation steam boiler of the present invention.
FIG. 3 is a schematic view of the internal structure of the radiant heating surface assembly of the furnace.
Fig. 4 is a schematic diagram of the internal structure of the convection heating surface assembly.
Wherein: a hearth radiation heating surface assembly 1; an upper header 1.1; a lower header 1.2; film type wall pipe 1.3; a convection heating surface assembly 2; 2.1, putting the boiler barrel on the boiler; 2.2, discharging the boiler barrel; convection bank 2.3; an overhead drum 3; a superheater 4; an economizer 5; a condenser 6; a connecting flue 7; the energy saver is connected with the flue 8; a downcomer 9; a steam guide pipe 10; and (4) a discharge pipe 11.
Detailed Description
Referring to fig. 1-4, the utility model relates to a large-scale module assembled overhead steam drum condensation steam boiler, including furnace radiation heating surface subassembly 1, convection heating surface subassembly 2, overhead steam drum 3, over heater 4, economizer 5, condenser 6, connecting flue 7, economizer connecting flue 8, downtake 9, steam guide pipe 10 and outlet pipe 11, convection heating surface subassembly 2 and furnace radiation heating surface subassembly 1 are arranged side by side from left to right, and economizer 5 arranges in the another side of convection heating surface subassembly 2, and condenser 6 arranges in the back of economizer 5; the furnace hearth radiation heating surface assembly 1 is connected with the convection heating surface assembly 2 through a connecting flue 7, the energy saver 5 is connected with the convection heating surface assembly 2 through an energy saver connecting flue 8, the energy saver 5 is connected with the overhead steam drum 3 through a pipeline, and the overhead steam drum 3 is arranged on the upper portions of the furnace hearth radiation heating surface assembly 1 and the convection heating surface assembly 2 and is positioned between the furnace hearth radiation heating surface assembly 1 and the convection heating surface assembly 2.
The bottom of the overhead steam drum 3 is respectively connected to the bottoms of the hearth radiation heating surface assembly 1 and the convection heating surface assembly 2 through a downcomer 9;
two sides of the overhead steam drum 3 are respectively connected with the tops of the hearth radiation heating surface assembly 1 and the convection heating surface assembly 2 through steam guide pipes 10.
The convection heating surface assembly 2 is provided with a superheater 4, and the superheater 4 is arranged outside the convection heating surface assembly 2.
The overhead steam drum 3 is connected with the superheater 4 through an eduction pipe 11.
The hearth radiation heating surface assembly 1 comprises an upper header 1.1, a lower header 1.2 and a membrane wall pipe 1.3, the convection heating surface assembly 2 comprises an upper drum 2.1, a lower drum 2.2 and a convection bank 2.3, the upper drum 2.1 is only used for being connected with the convection bank to form a smoke circulation section and is not used as a built-in steam pocket, the size of the upper drum 2.1 is not increased along with the increase of tonnage, the saved space is used for arranging the convection bank of the convection heating surface assembly, the steam evaporation capacity is increased, and the steam evaporation capacity is increased to 100t/h.
The hearth radiation heating surface assembly 1, the convection heating surface assembly 2 and the overhead steam drum 3 are transported in a split mode and welded and assembled on a construction site.
The overhead steam pocket 3 is respectively connected with an upper header 1.1 of the hearth radiation heating surface assembly 1 and an upper drum 2.1 of the convection heating surface assembly 2 through a steam guide pipe 10, and the overhead steam pocket 3 is respectively connected with a lower header 1.2 of the hearth radiation heating surface assembly 1 and a lower drum 2.2 of the convection heating surface assembly 2 through a downcomer 9.
Steam-water system flow:
the steam-water system adopts a natural circulation mode, and meets the requirements of steam-water circulation height differences of steam boilers with different parameters by arranging the overhead steam drum 3 and adjusting the height of the overhead steam drum; after the deaerated water of the boiler enters the energy saver 5, the deaerated water absorbs the heat in the flue gas at the tail of the boiler and enters the overhead steam pocket 3, the heat of the flue gas is divided into two paths, one path of the deaerated water enters a lower header 1.2 of the hearth radiation heating surface assembly 1 through a down pipe 9, the heat of the flue gas enters an upper header 1.1 of the hearth radiation heating surface assembly 1 through the hearth radiation heating surface membrane type wall pipe 1.3, the heat of the flue gas is converged into the steam pocket 3 through a steam guide pipe 10, the other path of the deaerated water enters a lower drum 2.2 of the convection heating surface assembly 2 through the down pipe 9, the heat of the flue gas enters an upper drum 2.1 of the convection heating surface assembly 2 through a convection tube bundle 2.3 of the convection heating surface assembly 2, and the heat of the flue gas is converged into the overhead steam pocket 3 through the steam guide pipe 10; the steam-water mixture is subjected to steam-water separation in the overhead steam drum 3, then the steam enters the superheater 4 through the outlet pipe 11 to be reheated, and finally the superheated steam is supplied to the outside for use.
Smoke and air system flow:
after the fuel gas is combusted by the combustor, the generated high-temperature flue gas sequentially passes through the hearth radiation heating surface assembly 1, the connecting flue 7, the convection heating surface assembly 2, the superheater 4, the convection heating surface assembly 2, the economizer connecting flue 8, the economizer 5 and the condenser 6, and after radiation and convection heat exchange modes, the temperature of the flue gas is reduced to meet the energy-saving and environment-friendly requirements and then is discharged into the atmosphere.
In addition to the above embodiments, the present invention also includes other embodiments, and all technical solutions formed by equivalent transformation or equivalent replacement should fall within the protection scope of the claims of the present invention.
Claims (7)
1. A large-scale module assembled overhead drum condensation steam boiler which characterized in that: the heating device comprises a hearth radiation heating surface assembly (1), a convection heating surface assembly (2) and an overhead steam drum (3), wherein the convection heating surface assembly (2) and the hearth radiation heating surface assembly (1) are arranged side by side from left to right, and the overhead steam drum (3) is arranged on the upper portions of the hearth radiation heating surface assembly (1) and the convection heating surface assembly (2) and is positioned between the hearth radiation heating surface assembly (1) and the convection heating surface assembly (2).
2. A large scale building according to claim 1a modular assembled overhead drum condensation steam boiler, the method is characterized in that: the bottom of the overhead steam drum (3) is respectively connected to the bottoms of the hearth radiation heating surface assembly (1) and the convection heating surface assembly (2) through a downcomer (9).
3. A large scale building according to claim 1 or 2 a modular assembled overhead drum condensation steam boiler, the method is characterized in that: two sides of the overhead steam drum (3) are respectively connected with the tops of the hearth radiation heating surface assembly (1) and the convection heating surface assembly (2) through steam guide pipes (10).
4. A large scale building according to claim 1a modular assembled overhead drum condensation steam boiler, the method is characterized in that: the convection heating surface assembly (2) is provided with a superheater (4), and the superheater (4) is arranged on the outer side of the convection heating surface assembly (2).
5. A large scale product according to claim 4 a modular assembled overhead drum condensation steam boiler, the method is characterized in that: the overhead steam drum (3) is connected with the superheater (4) through an extraction pipe (11).
6. A large scale building according to claim 1a modular assembled overhead drum condensation steam boiler, the method is characterized in that: the economizer (5) is arranged on the other side of the convection heating surface component (2), and the condenser (6) is arranged behind the economizer (5).
7. A large scale building according to claim 1a modular assembled overhead drum condensation steam boiler, the method is characterized in that: the hearth radiation heating surface assembly (1), the convection heating surface assembly (2) and the overhead steam drum (3) are transported in a split mode and welded and assembled on a construction site.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222853771.8U CN218721396U (en) | 2022-10-28 | 2022-10-28 | Large-scale module assembled overhead drum condensation steam boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222853771.8U CN218721396U (en) | 2022-10-28 | 2022-10-28 | Large-scale module assembled overhead drum condensation steam boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218721396U true CN218721396U (en) | 2023-03-24 |
Family
ID=85592452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222853771.8U Active CN218721396U (en) | 2022-10-28 | 2022-10-28 | Large-scale module assembled overhead drum condensation steam boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218721396U (en) |
-
2022
- 2022-10-28 CN CN202222853771.8U patent/CN218721396U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201047651Y (en) | Self-contained boiler with water pipe with two return-stroke completely membrane type wall structure | |
| EP2809991B1 (en) | Split pass economizer bank with integrated water coil air heating and feedwater biasing | |
| CN102200271B (en) | Large module assembling water tube boiler | |
| CN218721396U (en) | Large-scale module assembled overhead drum condensation steam boiler | |
| RU172718U1 (en) | STEAM TUBE BOILER | |
| CN110822402A (en) | Horizontal gas corner tube boiler | |
| CN216203253U (en) | Large-scale module assembled three-drum steam boiler | |
| CN201611090U (en) | Waste-heat boiler superheater | |
| CN211822328U (en) | Double-pressure waste heat boiler | |
| CN214580974U (en) | Vertical gas heat-conducting oil boiler structure | |
| CN210662862U (en) | External reheating type waste incineration boiler | |
| CN111207379B (en) | Structure for slowing down high-temperature corrosion of convection heating surface of waste incineration waste heat boiler | |
| CN212746406U (en) | Condensing type gas steam generation module | |
| CN111720836B (en) | Super high pressure grate waste incineration boiler | |
| CN211600641U (en) | Quenching boiler with superheater | |
| CN221444487U (en) | Modular combined boiler with linear arrangement structure | |
| CN112393213A (en) | Waste heat boiler matched with vertical clean heat recovery coke oven | |
| CN112944301A (en) | Vertical gas conduction oil boiler structure | |
| CN113464915B (en) | Modularized multi-boiler-barrel longitudinally-arranged boiler structure | |
| CN105509497A (en) | Sintering waste heat boiler | |
| CN201599781U (en) | Waste-heat boiler for a four-in-one or two-in-one heating furnace of a large continuous reforming device | |
| CN205425859U (en) | Sintering exhaust -heat boiler | |
| CN110925724A (en) | Quenching boiler with superheater | |
| CN117469807A (en) | Module combined type hot water boiler | |
| CN213746682U (en) | Novel convection heat exchange type corner tube boiler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |