CN220618818U - Prefabricated module combined type coal pyrolysis furnace fire-resistant structure - Google Patents
Prefabricated module combined type coal pyrolysis furnace fire-resistant structure Download PDFInfo
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- CN220618818U CN220618818U CN202322326140.5U CN202322326140U CN220618818U CN 220618818 U CN220618818 U CN 220618818U CN 202322326140 U CN202322326140 U CN 202322326140U CN 220618818 U CN220618818 U CN 220618818U
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- 239000003245 coal Substances 0.000 title claims abstract description 51
- 238000000197 pyrolysis Methods 0.000 title claims abstract description 46
- 230000009970 fire resistant effect Effects 0.000 title claims abstract description 22
- 238000010438 heat treatment Methods 0.000 claims abstract description 96
- 239000000463 material Substances 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 claims description 21
- 238000003763 carbonization Methods 0.000 claims description 16
- 230000008569 process Effects 0.000 claims description 16
- 239000000571 coke Substances 0.000 claims description 13
- 238000005192 partition Methods 0.000 claims description 12
- 239000011819 refractory material Substances 0.000 claims description 6
- 238000010276 construction Methods 0.000 abstract description 22
- 239000011449 brick Substances 0.000 description 19
- 238000004519 manufacturing process Methods 0.000 description 12
- 239000007789 gas Substances 0.000 description 10
- 238000007599 discharging Methods 0.000 description 6
- 230000006872 improvement Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 238000009417 prefabrication Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000012994 industrial processing Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The utility model discloses a prefabricated module combined type coal pyrolysis furnace fireproof structure, which is formed by combining a plurality of prefabricated modules, wherein the prefabricated modules are made of fireproof materials, and the prefabricated modules comprise: the heating plate, two narrow limit sides of heating plate fixedly connected with erection column one respectively and erection column two, and the inside hollow structure that is of heating plate, the inside heating chamber that is equipped with of heating plate set up in the heating hole that runs through of erection column one upper and lower both sides, the heating hole with communicate each other between the heating chamber, fixed mounting in the baffle of the broadside surface of heating plate separates the baffle, separates the quantity of baffle and is a plurality of, a plurality of baffles neatly distribute in the heating plate surface. The thickness of the fire-resistant structure of the coal pyrolysis furnace is reduced, so that the heat conductivity of the furnace body is improved, the load capacity of the furnace body is improved, the energy is saved, the consumption is reduced, the weight of the furnace body is reduced, the structural load is correspondingly reduced, the consumption of fire-resistant materials is reduced, and the construction investment is saved.
Description
Technical Field
The utility model relates to the technical field of coal coking, in particular to a prefabricated module combined type coal pyrolysis furnace refractory structure.
Background
The medium-temperature pyrolysis is a main way for quality improvement, quality separation and clean utilization of low-rank coal, and a continuous external heating method is an advanced one in the corresponding process technology, and the continuous external heating type vertical pyrolysis furnace corresponding to the process is an attack direction of the in-industry device manufacturing technology.
The traditional core structure of the external heating type coal pyrolysis furnace (hereinafter referred to as pyrolysis furnace) is built by various bricks made of refractory materials, in the pyrolysis furnace, a heat source is not in direct contact with heated coal, the heat source and the heated coal are respectively located in two chambers formed by the building and enclosing of the refractory bricks, heating gas serving as the heat source is located in the heating chamber, the processed coal is located in the carbonization chamber, a plurality of heating chambers and the carbonization chamber are mutually arranged at intervals, namely the core structure of the external heating type coal pyrolysis furnace is formed, brick wall bodies are arranged between each heating chamber and the carbonization chamber, the partition wall bodies play two functions of heat transfer and airtight in process operation, and the pyrolysis furnace built by bricks has the following limitations and disadvantages:
(1) The size of the shaped brick in the heat transfer direction is larger, the further improvement of the heat conduction performance of the furnace type is limited, and according to the heat conduction theory, the heat conduction capacity of the material is inversely proportional to the thickness of the material, so that the thinner the partition wall of the pyrolysis furnace which plays a role in heat transfer is, the better the thinner the partition wall is, the larger the heat conduction speed of the wall body is, the thermal efficiency and the heat load of the pyrolysis furnace are correspondingly large, but the structural instability and collapse of the brick wall body can occur to a certain extent, so that the heat transfer wall body of the pyrolysis furnace must keep enough thickness, and the current minimum thickness size is generally about 100 mm, thereby forming the bottleneck of energy conservation and consumption reduction of the furnace body.
(2) The brick wall has dense joint, which is a fundamental defect affecting the air tightness, the heat source of the pyrolysis furnace is hot flue gas, and the coal is heated to release pyrolysis gas, the two gases are respectively in two systems with different operation pressures in the process, if the wall between the heating chamber and the carbonization chamber is leaked, the two gases are leaked in series under the action of pressure difference, the result is that waste loss is formed, accident damage is caused if the result is light, and obviously, the air tightness of the wall with dense joint is difficult to maintain.
(3) The construction period of the masonry construction mode of the furnace body is long, the quality control difficulty is high, the masonry construction mode of the large bricks is similar to a building, the construction of the furnace body is determined to be carried out on site, and compared with the factory production and manufacturing mode of products, the on-site masonry mode is obviously incomparable in standardization and convenience.
In view of the problems of limited heat conducting capacity, low structural integrity, low air tightness and complex construction process of the brick masonry furnace body, corresponding technical improvement and breakthrough are always sought in the industry.
Disclosure of Invention
The utility model aims to provide a prefabricated module combined type fire-resistant structure of a coal pyrolysis furnace, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a prefabricated module combination formula coal pyrolysis oven refractory structure, coal pyrolysis oven refractory structure is formed through a plurality of prefabricated modules combination, and prefabricated module adopts refractory material to make, prefabricated module includes:
the heating plate is characterized in that two narrow side sides of the heating plate are fixedly connected with a first mounting column and a second mounting column respectively, the inside of the heating plate is of a hollow structure, and a heating chamber is arranged in the heating plate;
the heating air holes are arranged on the upper side and the lower side of the mounting column and communicated with the heating chamber;
the baffle blocks are fixedly arranged on the outer surface of the wide side of the heating plate, the number of the baffle blocks is multiple, and the baffle blocks are orderly distributed on the surface of the heating plate.
As a further scheme of the utility model: the first side surface and the second side surface of the mounting column are respectively provided with a penetrating mounting hole, and a plurality of prefabricated modules are fixed through inserting fixing pins in the mounting holes.
As a further scheme of the utility model: in the process of combining a plurality of prefabricated modules, a baffle block on the front heating plate is propped against the back side of the rear heating plate, and a carbonization chamber is formed between the heating plates of the two prefabricated modules.
As a further scheme of the utility model: a plurality of baffles are fixedly connected to two sides of the inner wall of the heating chamber respectively, openings are formed between the baffles on two sides and the inner wall on the opposite side respectively, heating air circulation channels are formed between the baffles, and two ends of each heating air circulation channel are communicated with the heating air holes respectively.
As a further scheme of the utility model: in the process of combining a plurality of prefabricated modules, a coal feed inlet is arranged above the heating plates of every two prefabricated modules.
As a further scheme of the utility model: in the process of combining a plurality of prefabricated modules, a coke discharge hole is arranged below the heating plates of every two prefabricated modules.
As still further aspects of the utility model: the coal material feed inlet and the coke discharge outlet are respectively positioned at the upper side and the lower side of the carbonization chamber, and are mutually communicated with the carbonization chamber.
Compared with the prior art, the utility model has the beneficial effects that:
the thickness of the fire-resistant structure of the coal pyrolysis furnace is reduced by about half compared with a brick furnace body, so that the heat conductivity of the furnace body is improved, the load capacity of the furnace body is improved, the energy is saved, the consumption is reduced, the weight of the furnace body is reduced, the structural load is correspondingly reduced, the consumption of fire-resistant materials is reduced, the construction investment is saved, the overall dimension is reduced, and the occupied area of equipment is correspondingly reduced;
the combination seam is greatly reduced, and in the structural form, the furnace wall built by original bricks is changed into a prefabricated integral furnace plate, so that the air tightness of the structure is greatly improved, and the leakage of media can be greatly reduced;
the method has the advantages that factory prefabrication production can be realized, the construction procedure of the pyrolysis furnace is simplified, the construction period is shortened, the prefabricated modules with few types and numbers are used for replacing the special-shaped bricks with various types and numbers, and the construction mode of the traditional coke oven is changed from site brick masonry to installation construction of the prefabricated module, so that the engineering difficulty is reduced, adverse factors affecting the construction quality are reduced, the engineering quality is improved, and the construction period is shortened;
the fire-resistant structure of the coal pyrolysis furnace constructed by the method has good thermal shock resistance, is resistant to start and stop, and is convenient to overhaul and adjust production and operation organizations.
Drawings
FIG. 1 is a schematic diagram of a prefabricated module in a refractory structure of a prefabricated module combination type coal pyrolysis furnace.
FIG. 2 is a cross-sectional view of the interior of a heating chamber of one of the prefabricated modules in the refractory structure of the prefabricated module combination type coal pyrolysis furnace.
FIG. 3 is a schematic diagram of a stacked combination of a plurality of prefabricated modules in a prefabricated module combination type coal pyrolysis furnace refractory structure.
Fig. 4 is a schematic diagram of the operation of the refractory structure of the prefabricated modular combination type coal pyrolysis furnace.
In the figure: 1-mounting column I, 2-heating air holes, 3-mounting column II, 4-mounting holes, 5-heating plate, 6-baffle block, 7-heating chamber, 8-baffle plate and 9-coal material feeding hole.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1-4, a prefabricated module combined type fire-resistant structure of a coal pyrolysis furnace, the fire-resistant structure of the coal pyrolysis furnace is formed by combining a plurality of prefabricated modules, the prefabricated modules are made of fire-resistant materials, and the prefabricated modules comprise: a heating plate 5, heating air holes 2 and a baffle block 6.
Specifically, two narrow limit sides of hot plate 5 are fixedly connected with erection column 1 and erection column two 3 respectively, and the hot plate 5 is inside to be hollow structure, and hot plate 5 is inside be equipped with heating chamber 7, set up in the heating gas pocket 2 that runs through of the upper and lower both sides of erection column 1, heating gas pocket 2 with communicate each other between the heating chamber 7, fixed mounting in the baffle 6 of hot plate 5 broadside side surface separates baffle 6 quantity and is a plurality of, a plurality of baffles 6 neatly distribute in hot plate 5 surface.
Preferably, in this embodiment, the side surfaces of the first mounting post 1 and the second mounting post 3 are respectively provided with a through mounting hole 4, and the plurality of prefabricated modules are fixed by inserting a fixing pin into the mounting holes 4.
Preferably, in this embodiment, two sides of the inner wall of the heating chamber 7 are fixedly connected with a plurality of partition boards 8, openings are respectively arranged between the partition boards 8 on two sides and the inner wall on the opposite side, heating air flow channels are formed between the partition boards 8, and two ends of the heating air flow channels are respectively communicated with the heating air holes 2.
The specific explanation is as follows: the thickness of the fire-resistant structure of the coal pyrolysis furnace is reduced by half compared with a bricked furnace body, and the thickness of the prefabricated module structure is reduced by half, so that the heat conductivity of the furnace body is improved, the load capacity of the furnace body is improved, the energy is saved, the consumption of the structure load is reduced, the consumption of fire-resistant materials is reduced, the construction investment is saved, the overall dimension is reduced, the occupied area of equipment is reduced correspondingly, the joint is greatly reduced, and in the structural form, the furnace wall built by original bricks is changed into a prefabricated integral 'furnace plate', the air tightness of the structure is greatly improved, and the serial leakage of media can be greatly reduced.
Example 2
Referring to fig. 1-4, a prefabricated module combined type fire-resistant structure of a coal pyrolysis furnace, the fire-resistant structure of the coal pyrolysis furnace is formed by combining a plurality of prefabricated modules, the prefabricated modules are made of fire-resistant materials, and the prefabricated modules comprise: a heating plate 5, heating air holes 2 and a baffle block 6.
Specifically, two narrow limit sides of hot plate 5 are fixedly connected with erection column 1 and erection column two 3 respectively, and the hot plate 5 is inside to be hollow structure, and hot plate 5 is inside be equipped with heating chamber 7, set up in the heating gas pocket 2 that runs through of the upper and lower both sides of erection column 1, heating gas pocket 2 with communicate each other between the heating chamber 7, fixed mounting in the baffle 6 of hot plate 5 broadside side surface separates baffle 6 quantity and is a plurality of, a plurality of baffles 6 neatly distribute in hot plate 5 surface.
Preferably, in the present embodiment, during the assembly of a plurality of prefabricated modules, the baffle 6 on the front heating plate 5 abuts against the back side of the rear heating plate 5, and the carbonization chamber is formed between the heating plates 5 of two prefabricated modules.
Preferably, in this embodiment, in the process of combining a plurality of prefabricated modules, a coal material feeding port 9 is arranged above and between the heating plates 5 of every two prefabricated modules, in the process of combining a plurality of prefabricated modules, a coke discharging port is arranged below and between the heating plates 5 of every two prefabricated modules, the coal material feeding port 9 and the coke discharging port are respectively positioned on the upper side and the lower side of the carbonization chamber, and the coal material feeding port 9, the coke discharging port and the carbonization chamber are mutually communicated.
The specific explanation is as follows: the construction process of the pyrolysis furnace is simplified through factory prefabrication production, the construction period is shortened, the prefabricated modules with few types and numbers replace the heterogeneous bricks with various numbers, the construction mode of the traditional coke furnace is changed from site brick construction to installation construction of the prefabricated modules, so that the engineering difficulty is reduced, adverse factors affecting the construction quality are reduced, the improvement of the engineering quality and the shortening of the construction period are facilitated, the fixed installation among the prefabricated modules is facilitated, the thermal shock resistance is good, and the constructed refractory structure of the coal pyrolysis furnace is resistant to start and stop and is convenient to overhaul and adjust production operation organizations.
Example 3
Referring to fig. 1-4, a prefabricated module combined type fire-resistant structure of a coal pyrolysis furnace, the fire-resistant structure of the coal pyrolysis furnace is formed by combining a plurality of prefabricated modules, the prefabricated modules are made of fire-resistant materials, and the prefabricated modules comprise: a heating plate 5, heating air holes 2 and a baffle block 6.
Specifically, two narrow limit sides of hot plate 5 are fixedly connected with erection column 1 and erection column two 3 respectively, and the hot plate 5 is inside to be hollow structure, and hot plate 5 is inside be equipped with heating chamber 7, set up in the heating gas pocket 2 that runs through of the upper and lower both sides of erection column 1, heating gas pocket 2 with communicate each other between the heating chamber 7, fixed mounting in the baffle 6 of hot plate 5 broadside side surface separates baffle 6 quantity and is a plurality of, a plurality of baffles 6 neatly distribute in hot plate 5 surface.
Preferably, in the present embodiment, during the assembly of a plurality of prefabricated modules, the baffle 6 on the front heating plate 5 abuts against the back side of the rear heating plate 5, and the carbonization chamber is formed between the heating plates 5 of two prefabricated modules.
Preferably, in this embodiment, in the process of combining a plurality of prefabricated modules, a coal material feeding port 9 is arranged above and between the heating plates 5 of every two prefabricated modules, in the process of combining a plurality of prefabricated modules, a coke discharging port is arranged below and between the heating plates 5 of every two prefabricated modules, the coal material feeding port 9 and the coke discharging port are respectively positioned on the upper side and the lower side of the carbonization chamber, and the coal material feeding port 9, the coke discharging port and the carbonization chamber are mutually communicated.
Preferably, in this embodiment, the side surfaces of the first mounting post 1 and the second mounting post 3 are respectively provided with a through mounting hole 4, and the plurality of prefabricated modules are fixed by inserting a fixing pin into the mounting holes 4.
Preferably, in this embodiment, two sides of the inner wall of the heating chamber 7 are fixedly connected with a plurality of partition boards 8, openings are respectively arranged between the partition boards 8 on two sides and the inner wall on the opposite side, heating air flow channels are formed between the partition boards 8, and two ends of the heating air flow channels are respectively communicated with the heating air holes 2.
The specific explanation is as follows: through the prefabricated member design, the integral structure of the shaped brick masonry furnace type is taken as a reference, the shaped brick masonry furnace type is split into one or more single structure modules with specific shapes under the conditions of meeting the convenient manufacturing and use requirements, various module manufacturing schemes are designed and made, materials are reasonably selected, refractory materials which have high thermal conductivity and good thermal shock resistance and can be used in oxidizing and reducing atmospheres and meet the structural strength requirements are selected as manufacturing materials of the prefabricated modules, a manufacturing process is selected, industrial processing production is carried out according to the processing process method of the shaped refractory materials, shaped refractory material prefabricated modules with specific special-shaped structures are formed, the prefabricated modules with corresponding numbers are sequentially overlapped in a construction site according to the certain scale requirements, and other necessary matched facilities and structures are assisted, so that the novel pyrolysis furnace with the structure different from the traditional brick masonry furnace body structure is formed.
What needs to be specifically stated is: the utility model relates to a fire-resistant structure of a prefabricated module combined type coal pyrolysis furnace, which is a novel furnace core structure constructed by combining non-detachable specific structure shaping fire-resistant material prefabricated module components.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (7)
1. The utility model provides a prefabricated module combination formula coal pyrolysis oven refractory structure, coal pyrolysis oven refractory structure is formed through a plurality of prefabricated modules combination, and prefabricated module adopts refractory material to make, its characterized in that, prefabricated module includes:
the heating plate (5), two narrow side sides of the heating plate (5) are fixedly connected with a first mounting column (1) and a second mounting column (3) respectively, the inside of the heating plate (5) is of a hollow structure, and a heating chamber (7) is arranged inside the heating plate (5);
the heating air holes (2) are arranged on the upper side and the lower side of the first mounting column (1) and penetrate through the heating air holes (2) and are communicated with the heating chamber (7);
the baffle blocks (6) are fixedly arranged on the outer surface of the wide side of the heating plate (5), the number of the baffle blocks (6) is multiple, and the baffle blocks (6) are orderly distributed on the surface of the heating plate (5).
2. The refractory structure of the prefabricated module combination type coal pyrolysis furnace according to claim 1, wherein the side surfaces of the first mounting column (1) and the second mounting column (3) are respectively provided with a through mounting hole (4), and a plurality of prefabricated modules are fixed through inserting fixing pins into the mounting holes (4).
3. The refractory structure of a prefabricated module combination type coal pyrolysis furnace according to claim 2, wherein in the process of combining a plurality of prefabricated modules, a baffle (6) on a front heating plate (5) is abutted against the back side of a rear heating plate (5), and a carbonization chamber is formed between the heating plates (5) of two prefabricated modules.
4. The refractory structure of the prefabricated module combination type coal pyrolysis furnace according to claim 1, wherein a plurality of partition plates (8) are fixedly connected to two sides of the inner wall of the heating chamber (7), openings are formed between the partition plates (8) on two sides and the inner wall on the opposite side, heating air circulation channels are formed between the partition plates (8), and two ends of the heating air circulation channels are communicated with the heating air holes (2) respectively.
5. A prefabricated module combination type coal pyrolysis furnace fire-resistant structure according to claim 3, wherein in the process of combining a plurality of prefabricated modules, a coal material feeding port (9) is arranged above the heating plates (5) of every two prefabricated modules.
6. The refractory structure of a prefabricated module combination type coal pyrolysis furnace according to claim 5, wherein a coke discharge port is arranged below between heating plates (5) of every two prefabricated modules in the process of combining a plurality of prefabricated modules.
7. The refractory structure of the prefabricated module combined type coal pyrolysis furnace according to claim 6, wherein the coal material feed port (9) and the coke discharge port are respectively positioned at the upper side and the lower side of the carbonization chamber, and the coal material feed port (9), the coke discharge port and the carbonization chamber are mutually communicated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322326140.5U CN220618818U (en) | 2023-08-29 | 2023-08-29 | Prefabricated module combined type coal pyrolysis furnace fire-resistant structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322326140.5U CN220618818U (en) | 2023-08-29 | 2023-08-29 | Prefabricated module combined type coal pyrolysis furnace fire-resistant structure |
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| Publication Number | Publication Date |
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| CN220618818U true CN220618818U (en) | 2024-03-19 |
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| CN202322326140.5U Active CN220618818U (en) | 2023-08-29 | 2023-08-29 | Prefabricated module combined type coal pyrolysis furnace fire-resistant structure |
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| CN (1) | CN220618818U (en) |
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- 2023-08-29 CN CN202322326140.5U patent/CN220618818U/en active Active
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