CN219079407U - Modularized lining structure for reinforced olefin heating furnace and ethylene cracking furnace - Google Patents
Modularized lining structure for reinforced olefin heating furnace and ethylene cracking furnace Download PDFInfo
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- CN219079407U CN219079407U CN202320145368.1U CN202320145368U CN219079407U CN 219079407 U CN219079407 U CN 219079407U CN 202320145368 U CN202320145368 U CN 202320145368U CN 219079407 U CN219079407 U CN 219079407U
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Abstract
The utility model discloses a modularized lining structure for a reinforced olefin heating furnace and an ethylene cracking furnace, which belongs to the technical field of furnace lining and comprises three heat insulation bricks, a connecting base and a central connecting seat, wherein the front ends of the three connecting bases are respectively and fixedly connected with the upper side, the left lower side and the right lower side of the back surface of the heat insulation bricks, the outer ends of the heat insulation bricks are movably inserted with connecting columns, the front ends of the central connecting seats are fixedly connected with the central position of the back surface of the heat insulation bricks, the outer sides of the central connecting seats are fixedly connected with three connecting sleeves, and the outer ends of the connecting columns are inserted into the connecting sleeves at the outer sides of adjacent central connecting seats.
Description
Technical Field
The utility model relates to the technical field of lining in furnaces, in particular to a modularized lining structure for an enhanced olefin heating furnace and an ethylene cracking furnace.
Background
A pyrolysis furnace refers to an apparatus for subjecting hydrocarbons to pyrolysis reactions.
The cracking furnace is one of key equipment of a large-scale ethylene production device. Consists of a light diesel oil cracking furnace and an ethane cracking furnace. The furnace type is a vertical tube box type heating furnace, light diesel oil is used as raw materials, ethane (C2H 6) separated after cracking is returned to the cracking furnace for further cracking, and the raw materials are used for preparing ethylene (C3H 4) and propylene (C3H 6), cracking gasoline and the like.
The refractory material for the lining of the cracking furnace is required to have good air tightness and low heat conductivity, so the furnace wall of the cracking furnace of the large ethylene cracking device is mostly of a multi-layer material composite structure, the cracking furnace has complex working condition, and the refractory material and the heat insulation material in the furnace are required to have the characteristics of high temperature resistance, scouring resistance, acid corrosion resistance and the like.
In the metallurgical industry, a furnace is a device that heats a material or workpiece to a forging temperature for rolling.
The heating furnace is applied to various industries such as petroleum, chemical industry, metallurgy, machinery, heat treatment, surface treatment, building materials, electronics, materials, light industry, daily chemicals, pharmacy and the like.
The lining requirements of the cracking furnace and the heating furnace are basically consistent, the existing heating furnace lining of the cracking furnace is mainly cast, a cast refractory material is attached to the furnace wall, bearing pressure is caused to the furnace wall, the furnace wall is damaged, the cast refractory material is unevenly heated and is easy to crack and fall off, the casting material construction period is long, and therefore the heating furnace or the modularized structural lining for the cracking furnace, which has good heat insulation effect and is convenient to construct, is needed.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a modularized lining structure for a reinforced olefin heating furnace and an ethylene cracking furnace.
The technical scheme of the utility model is as follows: the modular lining structure for the reinforced olefin heating furnace and the ethylene cracking furnace comprises three heat insulating bricks, connecting bases and central connecting seats, wherein the front ends of the three connecting bases are fixedly connected with the upper side, the left lower side and the right lower side of the back of each heat insulating brick respectively, the front end of the central connecting seat is fixedly connected with the central position of the back of each heat insulating brick, the outer side of each central connecting seat is fixedly connected with three connecting sleeves, and connecting columns are connected between the connecting sleeves and the connecting bases on the adjacent heat insulating bricks in an inserted manner;
the insulating brick comprises a vacuum chamber, a heat conducting net, an inner insulating layer and an outer insulating layer, wherein the inner side of the outer insulating layer is fixedly connected with the heat conducting net, the inner insulating layer is fixedly connected with the inner side of the heat conducting net, and the vacuum chamber is positioned at the inner side of the inner insulating layer.
Further, a plurality of heat conducting columns are fixed in the outer heat insulation layer, and the inner ends of the heat conducting columns are fixedly connected with the heat conducting net.
Description: heat is transferred to the heat conducting net through the heat conducting column, and the heat conducting net is used for transferring heat to the whole insulating brick rapidly, so that uneven heating of the insulating brick caused by too fast temperature rise is avoided, and cracking is caused.
Further, the connecting column comprises a column casing and a column core, wherein the outer side of the column core is fixedly connected with the inner wall of the column casing.
Description: the column core adopts metal material, and the column casing adopts thermal-insulated high temperature resistant material to make, and the reliability of connection can be strengthened to the column core, makes the spliced pole be difficult for the fracture.
Further, the middle rear end of the connecting column is fixedly connected with a connecting sheet, two sides of the connecting sheet are provided with two connecting holes, and the connecting holes are used for being fixedly connected with the furnace wall.
Description: and the furnace wall is fixedly connected with the connecting hole, so that the cracking furnace lining is convenient to construct.
Further, a tinfoil layer for heat preservation is adhered to the back of the heat insulation brick.
Description: the tinfoil layer is favorable for heat preservation of the insulating bricks and avoids heat loss in the cracking furnace.
The beneficial effects of the utility model are as follows:
according to the utility model, the heat-insulating bricks are mutually spliced in a jogged mode, the back parts of the heat-insulating bricks are mutually connected through the connecting columns, so that the mutual connection is better and firmer, the furnace lining spliced by the utility model has a very strong supporting effect and is not attached to the furnace wall, so that no load is caused on the furnace wall, the structure is more tightly explained, the heat-insulating effect of the heat-insulating bricks is good, the weight is light, and the construction of the furnace lining is facilitated.
Drawings
Fig. 1 is a perspective view of a insulating brick of the present utility model.
Fig. 2 is a perspective view of the connection of two adjacent insulating bricks of the present utility model.
Fig. 3 is a back connection structure diagram of two adjacent insulating bricks of the present utility model.
Fig. 4 is a cross-sectional view of the insulating brick of the present utility model.
Fig. 5 is a cross-sectional view of a connecting post of the present utility model.
Wherein, 1-insulating brick, 2-connection base, 3-central connection seat, 4-spliced pole, 5-spliced sleeve, 11-vacuum chamber, 12-heat conduction net, 13-inlayer insulating layer, 14-skin insulating layer, 15-heat conduction post, 41-barrel, 42-core, 43-connection piece, 44-connecting hole, 16-tin ply.
Detailed Description
Example 1:
as shown in fig. 1-3, a modularized lining structure for an enhanced olefin heating furnace and an ethylene cracking furnace comprises a heat insulation brick 1, a connecting base 2 and a central connecting base 3, wherein the number of the connecting bases 2 is three, the front ends of the three connecting bases 2 are respectively and fixedly connected with the upper side, the left lower side and the right lower side of the back surface of the heat insulation brick 1, the front end of the central connecting base 3 is fixedly connected with the central position of the back surface of the heat insulation brick 1, the outer side of the central connecting base 3 is fixedly connected with three connecting sleeves 5, and connecting columns 4 are inserted between the connecting sleeves 5 and the connecting bases 2 on the adjacent heat insulation bricks 1;
as shown in fig. 4, the insulating brick 1 includes a vacuum chamber 11, a heat conducting net 12, an inner insulating layer 13, and an outer insulating layer 14, wherein the inner side of the outer insulating layer 14 is fixedly connected with the heat conducting net 12, the inner insulating layer 13 is fixedly connected with the inner side of the heat conducting net 12, and the vacuum chamber 11 is located at the inner side of the inner insulating layer 13.
The heat conducting net 12 is made of high-temperature resistant alloy, the outer heat insulating layer 14 is made of high-temperature resistant casting material, the inner heat insulating layer 13 is made of refractory clay, and the materials are all in the prior art;
example 2:
as shown in fig. 1-3, a modularized lining structure for an enhanced olefin heating furnace and an ethylene cracking furnace comprises a heat insulation brick 1, a connecting base 2 and a central connecting base 3, wherein the number of the connecting bases 2 is three, the front ends of the three connecting bases 2 are respectively and fixedly connected with the upper side, the left lower side and the right lower side of the back surface of the heat insulation brick 1, the front end of the central connecting base 3 is fixedly connected with the central position of the back surface of the heat insulation brick 1, the outer side of the central connecting base 3 is fixedly connected with three connecting sleeves 5, and connecting columns 4 are inserted between the connecting sleeves 5 and the connecting bases 2 on the adjacent heat insulation bricks 1;
as shown in fig. 4, the insulating brick 1 includes a vacuum chamber 11, a heat conducting net 12, an inner insulating layer 13, and an outer insulating layer 14, wherein the inner side of the outer insulating layer 14 is fixedly connected with the heat conducting net 12, the inner insulating layer 13 is fixedly connected with the inner side of the heat conducting net 12, and the vacuum chamber 11 is located at the inner side of the inner insulating layer 13.
A plurality of heat conducting columns 15 are fixed in the outer heat insulating layer 14, and the inner ends of the heat conducting columns 15 are fixedly connected with the heat conducting net 12.
Description: heat is transferred to the heat conducting net 12 through the heat conducting column 15, and the heat conducting net 12 is used for rapidly transferring heat to the whole heat insulating brick 1, so that uneven heating of the heat insulating brick 1 caused by too fast temperature rise is avoided, and cracking is caused.
The heat conducting net 12 is made of high-temperature resistant alloy, the outer heat insulating layer 14 is made of high-temperature resistant casting material, and the inner heat insulating layer 13 is made of refractory clay; the heat-conducting column 15 is made of refractory clay and tungsten powder, and the materials are all the prior art.
Example 3:
as shown in fig. 1-3, a modularized lining structure for an enhanced olefin heating furnace and an ethylene cracking furnace comprises a heat insulation brick 1, a connecting base 2 and a central connecting base 3, wherein the number of the connecting bases 2 is three, the front ends of the three connecting bases 2 are respectively and fixedly connected with the upper side, the left lower side and the right lower side of the back surface of the heat insulation brick 1, the front end of the central connecting base 3 is fixedly connected with the central position of the back surface of the heat insulation brick 1, the outer side of the central connecting base 3 is fixedly connected with three connecting sleeves 5, and connecting columns 4 are inserted between the connecting sleeves 5 and the connecting bases 2 on the adjacent heat insulation bricks 1;
as shown in fig. 4, the insulating brick 1 includes a vacuum chamber 11, a heat conducting net 12, an inner insulating layer 13, and an outer insulating layer 14, wherein the inner side of the outer insulating layer 14 is fixedly connected with the heat conducting net 12, the inner insulating layer 13 is fixedly connected with the inner side of the heat conducting net 12, and the vacuum chamber 11 is located at the inner side of the inner insulating layer 13.
A plurality of heat conducting columns 15 are fixed in the outer heat insulating layer 14, and the inner ends of the heat conducting columns 15 are fixedly connected with the heat conducting net 12.
Description: heat is transferred to the heat conducting net 12 through the heat conducting column 15, and the heat conducting net 12 is used for rapidly transferring heat to the whole heat insulating brick 1, so that uneven heating of the heat insulating brick 1 caused by too fast temperature rise is avoided, and cracking is caused.
The connecting column 4 comprises a column casing 41 and a column core 42, and the outer side of the column core 42 is fixedly connected with the inner wall of the column casing 41.
Description: the column core 42 is made of metal material, the column casing 41 is made of heat-insulating and high-temperature-resistant material, and the column core 42 can enhance the reliability of connection, so that the connecting column 4 is not easy to break.
The heat conducting net 12 is made of high-temperature resistant alloy, the outer heat insulating layer 14 is made of high-temperature resistant casting material, and the inner heat insulating layer 13 is made of refractory clay; the heat-conducting column 15 is made of refractory clay and tungsten powder, and the materials are all the prior art.
Example 4:
as shown in fig. 1-3, a modularized lining structure for an enhanced olefin heating furnace and an ethylene cracking furnace comprises a heat insulation brick 1, a connecting base 2 and a central connecting base 3, wherein the number of the connecting bases 2 is three, the front ends of the three connecting bases 2 are respectively and fixedly connected with the upper side, the left lower side and the right lower side of the back surface of the heat insulation brick 1, the front end of the central connecting base 3 is fixedly connected with the central position of the back surface of the heat insulation brick 1, the outer side of the central connecting base 3 is fixedly connected with three connecting sleeves 5, and connecting columns 4 are inserted between the connecting sleeves 5 and the connecting bases 2 on the adjacent heat insulation bricks 1;
as shown in fig. 4, the insulating brick 1 includes a vacuum chamber 11, a heat conducting net 12, an inner insulating layer 13, and an outer insulating layer 14, wherein the inner side of the outer insulating layer 14 is fixedly connected with the heat conducting net 12, the inner insulating layer 13 is fixedly connected with the inner side of the heat conducting net 12, and the vacuum chamber 11 is located at the inner side of the inner insulating layer 13.
A plurality of heat conducting columns 15 are fixed in the outer heat insulating layer 14, and the inner ends of the heat conducting columns 15 are fixedly connected with the heat conducting net 12.
Description: heat is transferred to the heat conducting net 12 through the heat conducting column 15, and the heat conducting net 12 is used for rapidly transferring heat to the whole heat insulating brick 1, so that uneven heating of the heat insulating brick 1 caused by too fast temperature rise is avoided, and cracking is caused.
The connecting column 4 comprises a column casing 41 and a column core 42, and the outer side of the column core 42 is fixedly connected with the inner wall of the column casing 41.
Description: the column core 42 is made of metal material, the column casing 41 is made of heat-insulating and high-temperature-resistant material, and the column core 42 can enhance the reliability of connection, so that the connecting column 4 is not easy to break.
As shown in fig. 5, the rear end of the middle part of the connecting column 4 is fixedly connected with a connecting sheet 43, two sides of the connecting sheet are provided with two connecting holes 44, and the connecting holes 44 are used for being fixedly connected with the furnace wall.
Description: is fixedly connected with the furnace wall through the connecting holes 44, thereby facilitating the construction of the cracking furnace lining.
The heat conducting net 12 is made of high-temperature resistant alloy, the outer heat insulating layer 14 is made of high-temperature resistant casting material, and the inner heat insulating layer 13 is made of refractory clay; the heat-conducting column 15 is made of refractory clay and tungsten powder, and the materials are all the prior art.
Example 5:
as shown in fig. 1-3, a modularized lining structure for an enhanced olefin heating furnace and an ethylene cracking furnace comprises a heat insulation brick 1, a connecting base 2 and a central connecting base 3, wherein the number of the connecting bases 2 is three, the front ends of the three connecting bases 2 are respectively and fixedly connected with the upper side, the left lower side and the right lower side of the back surface of the heat insulation brick 1, the front end of the central connecting base 3 is fixedly connected with the central position of the back surface of the heat insulation brick 1, the outer side of the central connecting base 3 is fixedly connected with three connecting sleeves 5, and connecting columns 4 are inserted between the connecting sleeves 5 and the connecting bases 2 on the adjacent heat insulation bricks 1;
as shown in fig. 4, the insulating brick 1 includes a vacuum chamber 11, a heat conducting net 12, an inner insulating layer 13, and an outer insulating layer 14, wherein the inner side of the outer insulating layer 14 is fixedly connected with the heat conducting net 12, the inner insulating layer 13 is fixedly connected with the inner side of the heat conducting net 12, and the vacuum chamber 11 is located at the inner side of the inner insulating layer 13.
A plurality of heat conducting columns 15 are fixed in the outer heat insulating layer 14, and the inner ends of the heat conducting columns 15 are fixedly connected with the heat conducting net 12.
Description: heat is transferred to the heat conducting net 12 through the heat conducting column 15, and the heat conducting net 12 is used for rapidly transferring heat to the whole heat insulating brick 1, so that uneven heating of the heat insulating brick 1 caused by too fast temperature rise is avoided, and cracking is caused.
The connecting column 4 comprises a column casing 41 and a column core 42, and the outer side of the column core 42 is fixedly connected with the inner wall of the column casing 41.
Description: the column core 42 is made of metal material, the column casing 41 is made of heat-insulating and high-temperature-resistant material, and the column core 42 can enhance the reliability of connection, so that the connecting column 4 is not easy to break.
As shown in fig. 5, the rear end of the middle part of the connecting column 4 is fixedly connected with a connecting sheet 43, two sides of the connecting sheet are provided with two connecting holes 44, and the connecting holes 44 are used for being fixedly connected with the furnace wall.
Description: is fixedly connected with the furnace wall through the connecting holes 44, thereby facilitating the construction of the cracking furnace lining.
A tinfoil layer 16 for heat preservation is stuck on the back of the heat insulating brick 1.
Description: the tin paper layer 16 is beneficial to heat preservation of the insulating brick 1 and avoids heat loss in the cracking furnace.
The heat conducting net 12 is made of high-temperature resistant alloy, the outer heat insulating layer 14 is made of high-temperature resistant casting material, and the inner heat insulating layer 13 is made of refractory clay; the heat-conducting column 15 is made of refractory clay and tungsten powder, and the materials are all the prior art.
Comparative examples 1 to 5, example 5 is the best example because example 5 is the most effective in use and the fastest in construction speed.
The construction method of the above embodiment includes the following steps:
s1: the adjacent two heat insulation bricks 1 are embedded in a way shown in figure 2;
s2: one end of the connecting column 4 is inserted into the connecting base 2, and the other end is inserted into the connecting sleeve 5 of the other insulating brick 1;
s3: the furnace wall is fixedly connected with the connecting piece 43 through the connecting hole 44 in a screw connection mode;
s4: and filling concrete between the insulating brick 1 and the furnace wall.
Claims (5)
1. The utility model provides a reinforce modularization lining structure that alkene heating furnace and ethylene pyrolysis furnace were used, its characterized in that includes insulating brick (1), connection base (2), central connecting seat (3), connection base (2) have three, the front end of three connection base (2) respectively with the upside, left downside, the right downside fixed connection of insulating brick (1) back, the front end of central connecting seat (3) and insulating brick (1) back central point put fixed connection, the outside fixedly connected with three connecting sleeve (5) of central connecting seat (3), insert between connecting sleeve (5) and connecting base (2) on the adjacent insulating brick (1) is connected with spliced pole (4);
the insulating brick (1) comprises a vacuum chamber (11), a heat conducting net (12), an inner insulating layer (13) and an outer insulating layer (14), wherein the inner side of the outer insulating layer (14) is fixedly connected with the heat conducting net (12), the inner insulating layer (13) is fixedly connected with the inner side of the heat conducting net (12), and the vacuum chamber (11) is positioned on the inner side of the inner insulating layer (13).
2. A modular lining structure for an enhanced olefin heating furnace and an ethylene cracking furnace as claimed in claim 1, wherein a plurality of heat conducting columns (15) are fixed in the outer heat insulating layer (14), and the inner ends of the heat conducting columns (15) are fixedly connected with the heat conducting net (12).
3. A modular lining structure for a reinforced olefin heating furnace and an ethylene cracking furnace as claimed in claim 1, wherein the connecting column (4) comprises a column casing (41) and a column core (42), and the outer side of the column core (42) is fixedly connected with the inner wall of the column casing (41).
4. A modular lining structure for a reinforced olefin heating furnace and an ethylene cracking furnace as claimed in claim 1, wherein the rear end of the middle part of the connecting column (4) is fixedly connected with a connecting sheet (43), two connecting holes (44) are arranged on two sides of the connecting sheet, and the connecting holes (44) are used for fixedly connecting with a furnace wall.
5. A modular lining structure for a reinforced olefin heating furnace and an ethylene cracking furnace as claimed in claim 1, wherein a tinfoil layer (16) for heat preservation is adhered to the back of the insulating brick (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320145368.1U CN219079407U (en) | 2023-02-07 | 2023-02-07 | Modularized lining structure for reinforced olefin heating furnace and ethylene cracking furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320145368.1U CN219079407U (en) | 2023-02-07 | 2023-02-07 | Modularized lining structure for reinforced olefin heating furnace and ethylene cracking furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219079407U true CN219079407U (en) | 2023-05-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320145368.1U Active CN219079407U (en) | 2023-02-07 | 2023-02-07 | Modularized lining structure for reinforced olefin heating furnace and ethylene cracking furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219079407U (en) |
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2023
- 2023-02-07 CN CN202320145368.1U patent/CN219079407U/en active Active
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| CP02 | Change in the address of a patent holder |
Address after: No. 28, Yangjiang West Road, Industrial Park, Taixing City, Taizhou, Jiangsu 225400 Patentee after: TAIXING HANSON SPECIAL REFRACTORY MATERIAL CO.,LTD. Address before: No. 28, Yangjiang West Road, Industrial Park, Taizhou City, Jiangsu Province, 225400 Patentee before: TAIXING HANSON SPECIAL REFRACTORY MATERIAL CO.,LTD. |
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| CP02 | Change in the address of a patent holder |