CN220882766U - Forming die of plug brick for coke oven combustion chamber - Google Patents
Forming die of plug brick for coke oven combustion chamber Download PDFInfo
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- CN220882766U CN220882766U CN202322455222.XU CN202322455222U CN220882766U CN 220882766 U CN220882766 U CN 220882766U CN 202322455222 U CN202322455222 U CN 202322455222U CN 220882766 U CN220882766 U CN 220882766U
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- coke oven
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- combustion chamber
- plug
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- 239000011449 brick Substances 0.000 title claims abstract description 85
- 239000000571 coke Substances 0.000 title claims abstract description 47
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 34
- 210000001503 joint Anatomy 0.000 claims abstract description 6
- 239000007787 solid Substances 0.000 claims abstract description 4
- 238000003825 pressing Methods 0.000 claims description 30
- 238000000465 moulding Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 7
- 239000003546 flue gas Substances 0.000 abstract description 7
- 238000007789 sealing Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 abstract description 2
- 238000007493 shaping process Methods 0.000 abstract description 2
- 239000002912 waste gas Substances 0.000 description 8
- 239000002994 raw material Substances 0.000 description 7
- 238000006477 desulfuration reaction Methods 0.000 description 5
- 230000023556 desulfurization Effects 0.000 description 5
- 206010022000 influenza Diseases 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000004939 coking Methods 0.000 description 2
- 238000009417 prefabrication Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The utility model belongs to the technical field of refractory bricks for plugs of coke oven combustion chambers, and discloses a forming die of a plug brick for a coke oven combustion chamber, wherein a die sleeve is hollow and cylindrical, and a bottom plate is arranged at the bottom of the die sleeve; the supporting disc is arranged at the center of the upper part of the bottom plate and is in a solid disc shape; the first core, the second core, the third core, the fourth core, the fifth core and the sixth core are in butt joint end to end by taking the circle center as the center to form a cylindrical core; the core is placed on the support plate. The utility model has the beneficial effects that: through coke oven combustion chamber flue actual size, prefabricated shaping end cap brick (resistant firebrick) of machine pressure has thoroughly solved because of the temperature influence of high temperature flue gas, makes the flashboard warp to lead to the flashboard to the poor to flue shutoff leakproofness, the condition of gas leakage appears, has improved the sealing performance of end cap brick to the flue, has improved the life of end cap brick.
Description
Technical Field
The utility model belongs to the technical field of refractory bricks for plugs of coke oven combustors, and particularly relates to a forming die of plug bricks for coke oven combustors.
Background
The coke oven is a blast furnace accessory equipment, and the working principle is that volatile matters and impurities in coking coal are separated by utilizing high temperature, and finally high-fixed carbon coke is produced. In the coke oven production process in the coking industry, the pollution of the coke oven waste gas is serious, in order to solve the problems, a flue gas desulfurization and denitration device is usually added on the coke oven, so that the flue of the original coke oven waste gas to a chimney is required to be plugged, and the coke oven waste gas is led to the desulfurization and denitration device for flue gas treatment; however, when the desulfurization and denitrification device is stopped for maintenance, the waste gas of the coke oven is discharged by an original chimney; so the flue of the coke oven waste gas to the chimney is normally plugged by a baffle valve, and the flow direction of the coke oven waste gas is ensured to be freely switched between the flue gas desulfurization and denitrification device and the original chimney.
At present, an electric or pneumatic gate valve is used for plugging a coke oven waste gas channel, but the temperature of the coke oven waste gas is generally about 200 ℃, so that the electric or pneumatic gate valve (a gate plate is made of iron or steel materials) is easily influenced by high-temperature smoke, the gate plate is deformed, and the sealing performance of the gate plate to a flue is poor, and the condition of air leakage occurs; and also causes a reduction in the service life of the electric or pneumatic gate valve. The inventor develops a forming die of plug bricks for coke oven combustion chambers based on the technical problems of electric or pneumatic gate valve plugging flues in the prior art, and the forming die of the plug bricks for coke oven combustion chambers can prefabricate and form refractory bricks specially used for plugging according to the size of the coke oven combustion chamber flues, so that the technical problems of electric or pneumatic gate valve plugging flues in the prior art are solved.
Disclosure of utility model
The utility model aims to solve the technical problems and provides a forming die of a plug brick for a coke oven combustion chamber, which has a simple, scientific and reasonable design structure, and the plug brick with high volume density is prefabricated and formed in a mechanical pressing mode; according to the utility model, the special refractory bricks for plugging can be prefabricated and formed according to the size of the flue of the combustion chamber of the coke oven, and the technical problem that the flue is easy to deform due to the influence of high temperature caused by plugging of an electric or pneumatic gate valve is solved.
The technical scheme adopted by the utility model is as follows: a forming die of plug bricks for a coke oven combustion chamber comprises a die sleeve 1, a bottom plate 2 and a supporting disc 3; the die sleeve 1 is hollow and cylindrical, and the bottom plate 2 is arranged at the bottom of the die sleeve 1; the supporting disc 3 is placed at the upper center of the bottom plate 2, and the supporting disc 3 is in a solid disc shape; the core 4 is divided into a first core 5, a second core 6, a third core 7, a fourth core 8, a fifth core 9 and a sixth core 10, wherein the first core 5, the second core 6, the third core 7, the fourth core 8, the fifth core 9 and the sixth core 10 are arc-shaped of a sixth circle and have the same structure, and the first core 5, the second core 6, the third core 7, the fourth core 8, the fifth core 9 and the sixth core 10 are butted head and tail by taking the circle center as the center to form a cylindrical core 4; the core 4 comprises a core body 13, wherein the core body 13 is arc-shaped, and a fan-shaped bulge 14 is fixedly arranged at the center of the inner side surface of the core body 13; the pressing cylinder 11 is hollow and cylindrical, the upper part of the pressing cylinder is open, the lower part of the pressing cylinder is closed, and the pressing cylinder 11 is placed on the upper part of the core 4; the core 4 is placed on the support plate 3.
The die sleeve 1 is fixed in the die frame and is screwed and fixed by using a fixing bolt of the die frame; the bottom of the die sleeve 1 is contacted with the bottom of the die frame; the bottom surface of the bottom plate 2 is in contact with the bottom of the mold frame.
The supporting disc 3 and the core 4 are sleeved in the die sleeve 1.
The support plate 3 comprises a support plate body 31, wherein a chamfer 32 is arranged at the upper edge of the support plate body 31, and the radius of the chamfer 32 is 2-5mm.
The chamfer 32 surface at the upper part of the supporting disc body 31 is in fit alignment with the inner side edge of the core 4.
The diameter of the lower end face of the pressing cylinder 11 is equal to that of the upper part of the core body 13, and the lower end face of the pressing cylinder 11 is abutted against the upper end face of the core body 13.
The area of the outer side surface of the fan-shaped bulge 14 is smaller than that of the inner side surface of the core body 13; the upper and lower end surfaces of the fan-shaped bulge 14 are flush with the upper and lower end surfaces of the core body 13, and the upper and lower end surfaces of the fan-shaped bulge 14 are provided with a draft angle of 2-3 degrees from the outer side to the inner side.
The plug brick 12 for the coke oven combustion chamber comprises a plug brick body 121, the plug brick body 121 is cylindrical, a sector groove 122 is formed in the middle position of the circumferential surface of the plug brick body 121, and 6 sector grooves 122 are equidistantly formed in the circumferential surface of the plug brick body 121 by taking the center of the circle of the plug brick body 121 as the center.
The assembly and forming process of the plug brick forming die for the coke oven combustion chamber comprises the following steps: 1. the assembly process of the plug brick forming die for the coke oven combustion chamber comprises the following steps: firstly, placing a die sleeve 1 in a die frame, fixing the die sleeve 1 through a fixing bolt of the die frame, and then placing a bottom plate 2 at the bottom position of the die sleeve 1, so that the bottom surface of the bottom plate 2 is level with the bottom surface of the die sleeve 1; subsequently, the support plate 3 is placed at the upper center of the bottom plate 2; then, the first core 5, the second core 6, the third core 7, the fourth core 8, the fifth core 9 and the sixth core 10 are in end-to-end butt joint with the center of the circle as the center to form a core 4, and the core 4 is placed on the upper part of the supporting disc 3; and the supporting disc 3 and the core 4 are sleeved in the die sleeve 1. 2. The forming process of the plug brick for the coke oven combustion chamber comprises the following steps: the stirred plug brick 12 is pressed and prefabricated into a forming raw material by a machine, the forming raw material is poured into a cavity in the middle of the core 4, the forming raw material is prefabricated to be horizontal with the upper part of the core 4, then the pressing cylinder 11 is placed on the upper part of the core 4, the pressing cylinder 11 is pressed and prefabricated into the plug brick 12 by a matching machine of the fan-shaped bulge 14 of the core 4 and the plug brick body 121 by a pressing machine. As for demolding after the prefabricated molding of the plug brick 12, the operation is performed according to the reverse assembly steps of the plug brick molding die for the coke oven combustion chamber.
The core 4 is divided into a first core 5, a second core 6, a third core 7, a fourth core 8, a fifth core 9 and a sixth core 10, wherein the first core 5, the second core 6, the third core 7, the fourth core 8, the fifth core 9 and the sixth core 10 are arc-shaped of a sixth circle and are of the same structure, and the first core 5, the second core 6, the third core 7, the fourth core 8, the fifth core 9 and the sixth core 10 are in butt joint with the center of a circle as the center to form the cylindrical core 4. The main purpose of this arrangement is: on the one hand, after the plug brick 12 is prefabricated and molded by a machine, the demolding of the core 4 is facilitated, and on the other hand, the damage to the edge of the fan-shaped groove 122 of the plug brick 12 caused by the unsmooth demolding of the core 4 can be prevented.
The core 4 comprises a core body 13, wherein the core body 13 is arc-shaped, and a fan-shaped bulge 14 is fixedly arranged at the center of the inner side surface of the core body 13; the area of the outer side surface of the fan-shaped bulge 14 is smaller than that of the inner side surface of the core body 13; the upper and lower end surfaces of the fan-shaped bulge 14 are flush with the upper and lower end surfaces of the core body 13, and the upper and lower end surfaces of the fan-shaped bulge 14 are provided with a draft angle of 2-3 degrees from the outer side to the inner side. The main purpose of this arrangement is: the plug brick 12 for the combustion chamber of the coke oven is prefabricated and molded by a machine on one hand through the core 4 assembled by the core I5, the core II 6, the core III 7, the core IV 8, the core V9 and the core VI 10; on the other hand, six circumferential sector grooves 122 of the choke plug brick 12 for the coke oven combustion chamber are prefabricated and formed by utilizing the sector protrusions 14 of the core 4 in a machine pressing manner, so that the choke plug brick 12 can be conveniently installed or detached; in yet another aspect, demolding of the scalloped grooves 122 after molding the plugged tile 12 is facilitated, and damage to edges at the scalloped grooves 122 of the plugged tile 12 is effectively prevented.
The core 4 is placed on the supporting disc 3, and the chamfer 32 surface at the upper part of the supporting disc body 31 is in fit alignment with the inner side edge of the core 4. The main purpose of this arrangement is: on the one hand, the tightness between the bottom of the core 4 and the upper surface of the supporting disc 3 is improved, and a smooth and flat bottom surface of the plug brick can be formed. On the other hand, leakage of the preform molding material at the bottom of the core 4 is prevented.
The diameter of the lower end face of the pressing cylinder 11 is equal to that of the upper part of the core body 13, and the lower end face of the pressing cylinder 11 is abutted against the upper end face of the core body 13. The main purpose of this arrangement is: on the one hand, the upper part of the core body 13 is vertically contacted with the lower part of the pressing cylinder 11, and on the other hand, the direct stress area between the upper part of the core body 13 and the lower part of the pressing cylinder 11 is increased, so that the pressure from the press machine is uniformly conducted to the upper part of the core 4 through the pressing cylinder 11.
The utility model has the beneficial effects that: through coke oven combustion chamber flue actual size, prefabricated shaping end cap brick (resistant firebrick) of machine pressure has thoroughly solved because of the temperature influence of high temperature flue gas, makes the flashboard warp to lead to the flashboard to the poor to flue shutoff leakproofness, the condition of gas leakage appears, has improved the sealing performance of end cap brick to the flue, has improved the life of end cap brick.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic structural view of a cartridge of the present utility model;
FIG. 3 is a schematic view of the structure of the utility model where the support plate and the core are in butt joint;
FIG. 4 is a schematic structural view of a plug brick of the present utility model;
The marks in the figure: 1. the die comprises a die sleeve, 2, a bottom plate, 3, a supporting disc, 31, a supporting disc body, 32, a chamfer, 4, cores, 5, a first core, 6, a second core, 7, a third core, 8, a fourth core, 9, a fifth core, 10, a sixth core, 11, a pressing cylinder, 12, a plug brick, 121, a plug brick body, 122, a sector groove, 13, a core body, 14 and a sector protrusion.
Detailed Description
The following describes the embodiments of the present utility model in further detail with reference to the drawings.
The utility model provides a forming die of a plug brick for a coke oven combustion chamber, which comprises a die body and a forming die, wherein the die body is provided with a die body, the forming die is provided with a die body, the die body is provided with a die cavity, the die cavity is provided with a:
As shown in fig. 1, the die sleeve 1 is hollow and cylindrical, and the bottom plate 2 is placed at the bottom of the die sleeve 1; the supporting disc 3 is placed at the upper center of the bottom plate 2, and the supporting disc 3 is in a solid disc shape; the die sleeve 1 is fixed in the die frame and is screwed and fixed by using a fixing bolt of the die frame; the bottom of the die sleeve 1 is contacted with the bottom of the die frame; the bottom surface of the bottom plate 2 is contacted with the bottom of the mold frame; the supporting disc 3 and the core 4 are sleeved inside the die sleeve 1. The setting through the die sleeve 1 provides the limiting and positioning functions for the bottom plate 2, the supporting disc 3 and the core 4. The above-described tightening of the fixing bolts with the mold frame fixedly restrains the die sleeve 1 in the mold frame.
As shown in fig. 2, the core 4 is divided into a first core 5, a second core 6, a third core 7, a fourth core 8, a fifth core 9 and a sixth core 10, wherein the first core 5, the second core 6, the third core 7, the fourth core 8, the fifth core 9 and the sixth core 10 are arc shapes of one sixth circle and have the same structure, and the first core 5, the second core 6, the third core 7, the fourth core 8, the fifth core 9 and the sixth core 10 are butted end to end with the center of the circle as the center to form the cylindrical core 4. The sixth-circle structure for dividing the core 4 into the first core 5, the second core 6, the third core 7, the fourth core 8, the fifth core 9 and the sixth core 10 is convenient for demolding of the core 4 after the plug brick 12 is subjected to machine pressing prefabrication molding.
As shown in fig. 2, the core 4 comprises a core body 13, wherein the core body 13 is arc-shaped, and a fan-shaped protrusion 14 is fixedly arranged at the center of the inner side surface of the core body 13; the area of the outer side surface of the fan-shaped bulge 14 is smaller than that of the inner side surface of the core body 13; the upper and lower end surfaces of the fan-shaped bulge 14 are flush with the upper and lower end surfaces of the core body 13, and the upper and lower end surfaces of the fan-shaped bulge 14 are provided with a draft angle of 2-3 degrees from the outer side to the inner side. By the arrangement of the fan-shaped protrusions 14, six fan-shaped grooves 122 on the circumferential side surface of the plug brick 12 are just formed when the plug brick 12 is prefabricated and molded by machine pressing. The drawing angles of 2-3 degrees are arranged on the upper end face and the lower end face of the fan-shaped bulge 14 from the outer side to the inner side, and after the plug brick 12 is subjected to machine pressing prefabrication molding, the first core 5, the second core 6, the third core 7, the fourth core 8, the fifth core 9 and the sixth core 10 can be smoothly demoulded.
As shown in fig. 3, the core 4 is placed on the support plate 3, and the chamfer 32 surface of the upper part of the support plate body 31 is aligned with the inner side edge of the core 4. The sealing performance between the inner edge of the core 4 and the upper part of the supporting disc body 31 is improved, and leakage of the prefabricated forming raw materials of the plug brick 12 is effectively prevented.
As shown in fig. 4, the choke plug brick 12 for the coke oven combustion chamber comprises a choke plug brick body 121, the choke plug brick body 121 is cylindrical, a sector groove 122 is formed in the middle position of the circumferential surface of the choke plug brick body 121, and 6 sector grooves 122 are equidistantly formed on the circumferential surface of the choke plug brick body 121 by taking the center of the circle of the choke plug brick body 121 as the center. The above-mentioned 6 fan-shaped grooves 122 are equidistantly arranged on the circumferential surface of the plug brick body 121 with the center of the circle as the center, so that the portions of the fan-shaped grooves 122 can be conveniently held by hands when the plug brick 12 is installed or taken out, and the grip points convenient for grabbing can be provided. The specific installation mode of the plug brick 12 is that an operator grasps the force points of the fan-shaped grooves 122 by hand and aligns the end face of the plug brick 12 with the flue of the coke oven combustion chamber, and as the plug brick 12 is prefabricated and formed by machine pressing according to the actual size of the flue, the diameter of the plug brick 12 is matched with the inner diameter of the flue precisely, and only the plug brick is required to be installed and plugged in the flue, when the flue gas desulfurization and denitrification device is stopped due to overhauling, the plug brick 12 is required to be turned over, the plug brick 12 and the inner wall of the flue are radial rotation shafts, and the plug brick 12 can be opened by turning over 90 degrees, so that the flue gas in the combustion chamber is directly discharged through the chimney.
According to the first embodiment, on the basis of the utility model, the support disc 3 comprises a support disc body 31, a chamfer 32 is arranged on the upper edge of the support disc body 31, and the radius of the chamfer 32 is 2 mm; the area of the outer side surface of the fan-shaped bulge 14 is smaller than that of the inner side surface of the core body 13; the upper and lower end surfaces of the fan-shaped bulge 14 are flush with the upper and lower end surfaces of the core body 13, and the upper and lower end surfaces of the fan-shaped bulge 14 are provided with a draft angle of 2 degrees from the outer side to the inner side.
In the second embodiment, on the basis of the utility model, the supporting disc 3 comprises a supporting disc body 31, a chamfer 32 is arranged at the upper edge of the supporting disc body 31, and the radius of the chamfer 32 is 3.5 mm; the area of the outer side surface of the fan-shaped bulge 14 is smaller than that of the inner side surface of the core body 13; the upper and lower end surfaces of the fan-shaped bulge 14 are flush with the upper and lower end surfaces of the core body 13, and the upper and lower end surfaces of the fan-shaped bulge 14 are provided with a draft angle of 2.5 degrees from the outer side to the inner side.
In the third embodiment, on the basis of the utility model, the supporting disc 3 comprises a supporting disc body 31, a chamfer 32 is arranged at the upper edge of the supporting disc body 31, and the radius of the chamfer 32 is 5 mm; the area of the outer side surface of the fan-shaped bulge 14 is smaller than that of the inner side surface of the core body 13; the upper and lower end surfaces of the fan-shaped bulge 14 are flush with the upper and lower end surfaces of the core body 13, and a 3-degree draft angle is arranged between the outer side and the inner side of the upper and lower end surfaces of the fan-shaped bulge 14.
1. The assembly process of the plug brick forming die for the coke oven combustion chamber comprises the following steps: firstly, placing a die sleeve 1 in a die frame, fixing the die sleeve 1 through a fixing bolt of the die frame, and then placing a bottom plate 2 at the bottom position of the die sleeve 1, so that the bottom surface of the bottom plate 2 is level with the bottom surface of the die sleeve 1; subsequently, the support plate 3 is placed at the upper center of the bottom plate 2; then, the first core 5, the second core 6, the third core 7, the fourth core 8, the fifth core 9 and the sixth core 10 are in end-to-end butt joint with the center of the circle as the center to form a core 4, and the core 4 is placed on the upper part of the supporting disc 3; and the supporting disc 3 and the core 4 are sleeved in the die sleeve 1. 2. The forming process of the plug brick for the coke oven combustion chamber comprises the following steps: the stirred plug brick 12 is pressed and prefabricated into a forming raw material by a machine, the forming raw material is poured into a cavity in the middle of the core 4, the forming raw material is prefabricated to be horizontal with the upper part of the core 4, then the pressing cylinder 11 is placed on the upper part of the core 4, the pressing cylinder 11 is pressed and prefabricated into the plug brick 12 by a matching machine of the fan-shaped bulge 14 of the core 4 and the plug brick body 121 by a pressing machine. As for demolding after the prefabricated molding of the plug brick 12, the operation is performed according to the reverse assembly steps of the plug brick molding die for the coke oven combustion chamber.
Various modifications to the embodiments described above will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. A forming die of plug bricks for a coke oven combustion chamber comprises a die sleeve, a bottom plate and a supporting plate; the die sleeve is hollow and cylindrical, and the bottom plate is arranged at the bottom of the die sleeve; the method is characterized in that: the supporting disc is arranged at the center of the upper part of the bottom plate and is in a solid disc shape; the core is divided into a first core, a second core, a third core, a fourth core, a fifth core and a sixth core, wherein the first core, the second core, the third core, the fourth core, the fifth core and the sixth core are arc-shaped of a sixth circle and have the same structure, and the first core, the second core, the third core, the fourth core, the fifth core and the sixth core are in butt joint with the center of the circle as the center to form a cylindrical core; the core comprises a core body, wherein the core body is arc-shaped, and a fan-shaped bulge is fixedly arranged at the center of the inner side surface of the core body; the pressing cylinder is hollow and cylindrical, the upper part of the pressing cylinder is open, the lower part of the pressing cylinder is closed, and the pressing cylinder is placed on the upper part of the core; the core is placed on the support plate.
2. The forming die of plug bricks for a coke oven combustion chamber according to claim 1, wherein: the die sleeve is fixed in the die frame and is screwed and fixed by using a fixing bolt of the die frame; the bottom of the die sleeve is contacted with the bottom of the die frame; the bottom surface of the bottom plate is contacted with the bottom of the mold frame.
3. The forming die of plug bricks for a coke oven combustion chamber according to claim 1, wherein: the supporting disc and the core are sleeved in the die sleeve.
4. A coke oven combustion chamber plug brick molding die according to claim 3, wherein: the support plate comprises a support plate body, wherein a chamfer is arranged at the edge of the upper part of the support plate body, and the radius of the chamfer is 2-5 mm.
5. The forming die for plug bricks for a combustion chamber of a coke oven according to claim 4, wherein: the chamfer surface at the upper part of the supporting disc body is attached to and aligned with the inner side edge of the core.
6. The forming die of plug bricks for a coke oven combustion chamber according to claim 1, wherein: the lower end face of the pressing cylinder is equal to the upper diameter of the core body, and the lower end face of the pressing cylinder is abutted against the upper end face of the core body.
7. The forming die for plug bricks for a combustion chamber of a coke oven according to claim 6, wherein: the area of the outer side surface of the fan-shaped bulge is smaller than that of the inner side surface of the core body; the upper and lower end surfaces of the fan-shaped bulge are flush with the upper and lower end surfaces of the core body, and a draft angle of 2-3 degrees is arranged on the upper and lower end surfaces of the fan-shaped bulge from the outer side to the inner side.
8. The plug brick molded by a molding die for plug bricks for a coke oven combustion chamber according to claim 1, wherein: the plug brick comprises a plug brick body, the plug brick body is cylindrical, the sector grooves are formed in the middle of the circumferential surface of the plug brick body, and six sector grooves are formed in the circumferential surface of the sector grooves at equal intervals by taking the circle center of the plug brick body as the center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322455222.XU CN220882766U (en) | 2023-09-11 | 2023-09-11 | Forming die of plug brick for coke oven combustion chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322455222.XU CN220882766U (en) | 2023-09-11 | 2023-09-11 | Forming die of plug brick for coke oven combustion chamber |
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| Publication Number | Publication Date |
|---|---|
| CN220882766U true CN220882766U (en) | 2024-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322455222.XU Active CN220882766U (en) | 2023-09-11 | 2023-09-11 | Forming die of plug brick for coke oven combustion chamber |
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| Country | Link |
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| CN (1) | CN220882766U (en) |
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2023
- 2023-09-11 CN CN202322455222.XU patent/CN220882766U/en active Active
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