CN220871140U - Manhole of tail gas-fired organic heat carrier furnace - Google Patents
Manhole of tail gas-fired organic heat carrier furnace Download PDFInfo
- Publication number
- CN220871140U CN220871140U CN202322455657.4U CN202322455657U CN220871140U CN 220871140 U CN220871140 U CN 220871140U CN 202322455657 U CN202322455657 U CN 202322455657U CN 220871140 U CN220871140 U CN 220871140U
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- cylinder body
- plate
- hole cover
- cover
- hole
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Links
- 239000012774 insulation material Substances 0.000 claims abstract description 9
- 239000000835 fiber Substances 0.000 claims description 8
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 9
- 239000003546 flue gas Substances 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000009991 scouring Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 7
- 238000003466 welding Methods 0.000 description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The utility model discloses a tail gas-fired organic heat carrier furnace manhole, which comprises a hole seat and a hole cover, wherein the hole seat comprises a circular flange plate, an outer cylinder body and an inner cylinder body, wherein the outer cylinder body and the inner cylinder body are cylindrical and are arranged at intervals along the radial direction; the hole cover comprises a circular cover plate and a cylindrical hole cover cylinder body, wherein the upper end of the hole cover cylinder body is fixedly connected with the plate body of the cover plate, a heat insulation material is filled in the inner cavity of the hole cover cylinder body, the hole cover cylinder body is arranged in the inner cavity of the inner cylinder body, and the flange plate is detachably connected with the cover plate. The utility model is not easy to be damaged by high temperature flue gas scouring, has long service life and high safety performance, and improves the production efficiency of the organic heat carrier furnace.
Description
Technical Field
The utility model relates to an organic heat carrier furnace manhole, in particular to a tail gas-fired organic heat carrier furnace manhole with flue gas needing denitration treatment, and belongs to the technical field of organic heat carrier furnaces.
Background
As the cost of natural gas as the fuel of the organic heat carrier furnace is higher and higher, more enterprises use the tail gas generated in chemical equipment as the fuel of the organic heat carrier furnace, so that the production cost can be greatly reduced for the enterprises. However, the tail gas of the combustion will produce more NO X than natural gas, so the tail gas of the organic heat carrier furnace of the combustion must be equipped with denitration equipment outside the furnace.
The requirement of the denitration equipment outside the furnace on the flue gas is more than 300 ℃, otherwise, the catalyst in the denitration raw material loses the effect, the existing organic heat carrier furnace manhole for burning tail gas is usually a pouring manhole manufactured by taking HG/T21515 normal pressure manhole as a standard, and the pouring manhole is in direct contact with high-temperature flue gas, so that the damage rate of the manhole is greatly improved, the maintenance amount and the maintenance cost of the manhole are greatly increased, and the production efficiency of the organic heat carrier furnace is reduced.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides the tail gas-fired organic heat carrier furnace manhole which is not easy to damage due to scouring of high-temperature flue gas, has longer service life and higher safety performance and can improve the production efficiency of an organic heat carrier furnace.
In order to solve the technical problems, the utility model adopts the organic heat carrier furnace manhole for burning tail gas, which comprises a hole seat and a hole cover, wherein the hole seat comprises a circular flange plate, an outer cylinder body and an inner cylinder body which are cylindrical and are arranged at intervals along the radial direction, the upper end of the outer cylinder body is fixedly connected with the plate body of the flange plate, the upper end of the inner cylinder body is fixedly connected with the inner circular wall surface of the flange plate, and an annular space surrounded by the outer cylinder body, the inner cylinder body and the flange plate is filled with heat insulation materials; the hole cover comprises a circular cover plate and a cylindrical hole cover cylinder body, wherein the upper end of the hole cover cylinder body is fixedly connected with the plate body of the cover plate, a heat insulation material is filled in the inner cavity of the hole cover cylinder body, the hole cover cylinder body is arranged in the inner cavity of the inner cylinder body, and the flange plate is detachably connected with the cover plate.
As a preferred embodiment of the utility model, the hole cover further comprises a handle and a plurality of blind rivets, wherein the handle is fixedly arranged on the upper surface of the cover plate, the plurality of blind rivets are fixedly arranged on the lower surface of the cover plate, and the plurality of blind rivets are positioned in the inner cavity of the hole cover cylinder body.
As a preferred embodiment of the present utility model, the heat insulating material is ceramic fiber or aluminum silicate fiber.
After the structure is adopted, the utility model has the following beneficial effects:
The hole seat is provided with a flange plate, an outer cylinder body and an inner cylinder body, wherein the outer cylinder body and the inner cylinder body are fixedly connected with the flange plate, an annular space surrounded by the outer cylinder body, the inner cylinder body and the flange plate is filled with heat insulation and heat preservation materials, a hole cover is provided with a cover plate and a hole cover cylinder body, the hole cover cylinder body is fixedly connected with the cover plate, the inner cavity of the hole cover cylinder body is filled with the heat insulation and heat preservation materials, the hole cover cylinder body is arranged in the inner cavity of the inner cylinder body, and the flange plate and the cover plate are detachably connected together. The structure can meet the use requirement of denitration equipment on flue gas, is not easy to be washed out by high-temperature flue gas to damage during working, has long service life and high safety performance, and improves the production efficiency of the organic heat carrier furnace.
According to the utility model, ceramic fiber or aluminum silicate fiber is adopted to replace the traditional heavy castable, so that the weight of the hole cover is greatly reduced, and the hole cover is more convenient to detach.
The utility model has simple structure and convenient manufacture, and is beneficial to popularization and application.
Drawings
The following describes the embodiments of the present utility model in further detail with reference to the drawings.
FIG. 1 is a schematic view of a manhole of an organic heat carrier furnace for burning tail gas according to the present utility model.
Description of the embodiments
Referring to a manhole of an organic heat carrier furnace for burning tail gas shown in fig. 1, the manhole comprises a hole seat and a hole cover, wherein the hole seat comprises a circular flange plate 1, an outer cylinder body 2 and an inner cylinder body 3 which are cylindrical and are arranged at intervals along the radial direction, the flange plate 1 and the outer cylinder body 2 are preferably made of stainless steel 304, the inner cylinder body 3 is preferably made of stainless steel 310, the upper end of the outer cylinder body 2 is preferably fixedly connected with the plate body of the flange plate 1 through welding, the upper end of the inner cylinder body 3 is preferably fixedly connected with the inner circular wall surface of the flange plate 1 through welding, and an annular space surrounded by the outer cylinder body 2, the inner cylinder body 3 and the flange plate 1 is filled with a heat insulation material 4; the hole cover comprises a round cover plate 5 and a cylindrical hole cover cylinder body 6, the cover plate 5 and the hole cover cylinder body 6 are preferably made of stainless steel 304, the upper end of the hole cover cylinder body 6 is preferably fixedly connected with the plate body of the cover plate 5 through welding, the inner cavity of the hole cover cylinder body 6 is filled with a heat insulation material 4, the hole cover cylinder body 6 is arranged in the inner cavity of the inner cylinder body 3, and the flange plate 1 and the cover plate 5 are detachably connected together. In the utility model, a plurality of through holes are respectively formed at one end of the flange plate 1 and one end of the cover plate 5 along the circumferential direction, and the flange plate 1 and the cover plate 5 are detachably connected together through bolts 9 penetrating through the through holes.
As a preferred embodiment of the utility model, as shown in figure 1, the hole cover further comprises a handle 7 and a plurality of blind rivets 8, the handle 7 is fixedly arranged on the upper surface of the cover plate 5 preferably by welding, the plurality of blind rivets 8 are fixedly arranged on the lower surface of the cover plate 5 preferably by welding, the plurality of blind rivets 8 are positioned in the inner cavity of the hole cover cylinder 6, and the blind rivets 8 can prevent the heat insulation material 4 in the inner cavity of the hole cover cylinder 6 from displacing in the process of manufacturing, transporting, installing and using, so that a good fixing effect is achieved.
In a preferred embodiment of the present utility model, the heat insulating material 4 is a material such as ceramic fiber or aluminum silicate fiber.
The utility model is convenient to install and only needs to be installed on the furnace body 10 of the organic heat carrier furnace.
Through trial, the utility model is not easy to be damaged by high-temperature flue gas scouring, has long service life and high safety performance, can well meet the use requirement of denitration equipment on flue gas, and achieves good practical effect.
Claims (3)
1. The utility model provides a fire organic heat carrier stove manhole of tail gas, includes hole seat and handhole door, its characterized in that: the hole seat comprises a circular flange plate (1), an outer cylinder body (2) and an inner cylinder body (3), wherein the outer cylinder body (2) and the inner cylinder body (3) are arranged in a cylindrical shape at intervals along the radial direction, the upper end of the outer cylinder body (2) is fixedly connected with the plate body of the flange plate (1), the upper end of the inner cylinder body (3) is fixedly connected with the inner circular wall surface of the flange plate (1), and an annular space surrounded by the outer cylinder body (2), the inner cylinder body (3) and the flange plate (1) is filled with a heat insulation material (4); the hole cover comprises a cover plate (5) which is circular and a hole cover cylinder body (6) which is cylindrical, the upper end of the hole cover cylinder body (6) is fixedly connected with the plate body of the cover plate (5), a heat insulation material (4) is filled in the inner cavity of the hole cover cylinder body (6), the hole cover cylinder body (6) is arranged in the inner cavity of the inner cylinder body (3), and the flange plate (1) is detachably connected with the cover plate (5).
2. The off-gas fired organic heat carrier furnace manhole of claim 1, wherein: the hole cover further comprises a handle (7) and a plurality of blind rivets (8), wherein the handle (7) is fixedly arranged on the upper surface of the cover plate (5), the blind rivets (8) are fixedly arranged on the lower surface of the cover plate (5), and the blind rivets (8) are positioned in the inner cavity of the hole cover cylinder body (6).
3. The off-gas fired organic heat carrier furnace manhole according to claim 1 or 2, characterized in that: the heat insulation material (4) is ceramic fiber or aluminum silicate fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322455657.4U CN220871140U (en) | 2023-09-11 | 2023-09-11 | Manhole of tail gas-fired organic heat carrier furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322455657.4U CN220871140U (en) | 2023-09-11 | 2023-09-11 | Manhole of tail gas-fired organic heat carrier furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220871140U true CN220871140U (en) | 2024-04-30 |
Family
ID=90812416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322455657.4U Active CN220871140U (en) | 2023-09-11 | 2023-09-11 | Manhole of tail gas-fired organic heat carrier furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220871140U (en) |
-
2023
- 2023-09-11 CN CN202322455657.4U patent/CN220871140U/en active Active
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