CN219259923U - Vertical coke oven and coke making system comprising same - Google Patents
Vertical coke oven and coke making system comprising same Download PDFInfo
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- CN219259923U CN219259923U CN202320134864.7U CN202320134864U CN219259923U CN 219259923 U CN219259923 U CN 219259923U CN 202320134864 U CN202320134864 U CN 202320134864U CN 219259923 U CN219259923 U CN 219259923U
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- 239000000571 coke Substances 0.000 title claims abstract description 76
- 230000004913 activation Effects 0.000 claims abstract description 147
- 238000003763 carbonization Methods 0.000 claims abstract description 88
- 239000000463 material Substances 0.000 claims abstract description 83
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 67
- 239000003546 flue gas Substances 0.000 claims abstract description 67
- 239000007789 gas Substances 0.000 claims abstract description 66
- 238000001816 cooling Methods 0.000 claims abstract description 26
- 230000003213 activating effect Effects 0.000 claims description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000002485 combustion reaction Methods 0.000 claims description 10
- 230000001502 supplementing effect Effects 0.000 claims description 8
- 239000002826 coolant Substances 0.000 claims description 6
- 238000010793 Steam injection (oil industry) Methods 0.000 claims description 4
- 238000004939 coking Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 7
- 238000001994 activation Methods 0.000 description 118
- 239000003245 coal Substances 0.000 description 7
- 239000011449 brick Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 238000000197 pyrolysis Methods 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000005539 carbonized material Substances 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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Abstract
The utility model discloses a vertical coke oven and a coke making system comprising the same, wherein the vertical coke oven comprises an oven body, a carbonization section, an activation section and a cooling section, the carbonization section is arranged above the oven body, the carbonization section is provided with a rake type oven structure, and the carbonization section is provided with a burner, a carbonization section flue gas channel and a carbonization section discharge port; the carbonization section flue gas channel is arranged on a furnace core shaft of the rake furnace structure and is communicated with the furnace core shaft; the discharge port of the carbonization section is arranged at the bottom of the carbonization section; the activation section is arranged below the carbonization section in the furnace body, the activation section is provided with a plurality of activation material channels and an activation gas inlet, and the tops of the activation material channels are communicated with the discharge port of the carbonization section. The vertical coke making furnace is a carbonization and activation integrated furnace, the occupied area of equipment is small, the yield is high, the problem of tar blockage in a carbonization section can be avoided, and activated steam penetrates through an active coke layer, so that the activation time is short and the effect is good.
Description
Technical Field
The utility model belongs to the technical field of material preparation, and particularly relates to a vertical coke oven and a coke making system comprising the vertical coke oven.
Background
Coal is a fuel, and is a raw material with low cost and easy availability for preparing carbon materials, and active coke for desulfurization and denitrification is prepared by taking coal as a raw material at present. The existing carbonization and activation equipment for preparing active coke is a horizontal rotary furnace and a vertical Sieve furnace, wherein:
the horizontal rotary furnace realizes material overturning through the rotation of the furnace body according to a certain angle, so as to realize carbonization and contact activation of the material and an activating agent, but the horizontal rotary furnace has the problems of large occupied area, high investment cost, low temperature control precision and the like.
The vertical type Sijeep furnace comprises a furnace body, wherein the furnace body is provided with a plurality of vertical type Sijeep furnace material channels and flue staggered arrangement, the furnace body is provided with square arrangement, the flue and the material channels are all thin-layer cuboid channels, the material channels are built by adopting heat-resistant bricks, the width of the material channels is smaller, the section of each heat-resistant brick occupies a larger area, the furnace body is larger in size, in addition, the heat transfer performance of each heat-resistant brick is poor, the starting and adjusting speed of the coke-making furnace is slow, and the flexibility adjustment and the raw material adaptability cannot be realized. In addition, the activation steam of the vertical type Sieve furnace is generated by switching left and right combustion chamber heat storage bricks, the process is complex, and the steam temperature is uncontrollable; the vertical type Sieve furnace only can activate carbonized materials, and can not directly activate raw coal particles, because the problems of coking and scaling of furnace walls, blockage of precipitated gas channels, material bonding and the like are difficult to occur because tar, volatile matters and tiny broken powder are less in the heating process of carbonized raw materials, the vertical type Sieve furnace is only an activation furnace and can not be used as a carbonization activation furnace for preparing the carbonized raw coal in one step, and the adaptability of the raw materials is poor for the production of fixed particles and specific operation parameters; the activated steam of the vertical type Siwearing furnace passes through the two sides of the active coke layer in parallel, slowly permeates into the active coke layer in the advancing process of the steam, has low activation speed, and has insufficient contact between the activating agent and the active coke and poor activation effect.
Disclosure of Invention
Therefore, an object of the present utility model is to provide a vertical coke making oven, which is a carbonization and activation integrated oven, and has the advantages of small equipment occupation area, high yield, capability of avoiding the problem of tar blockage in the carbonization section, short activation time and good effect, and activated water vapor penetrates through the active coke layer.
A second object of the present utility model is to provide a coking system.
To achieve the above object, an embodiment of a first aspect of the present utility model provides a vertical coke oven, including:
a furnace body;
the carbonization section is arranged above the furnace body and is provided with a rake furnace structure, and the carbonization section is provided with a burner, a carbonization section flue gas channel and a carbonization section discharge port; the carbonization section flue gas channel is arranged on a furnace core shaft of the rake furnace structure and is communicated with the furnace core shaft; the discharge port of the carbonization section is arranged at the bottom of the carbonization section;
the activation section is arranged below the carbonization section in the furnace body, the activation section is provided with a plurality of activation material channels and an activation gas inlet, the tops of the activation material channels are communicated with the discharge port of the carbonization section, the bottoms of the activation material channels are communicated with the activation gas inlet, the periphery of the activation material channels is provided with activation section flue gas channels, the activation material channels are communicated with the activation section flue gas channels, an air supplementing port is arranged in the activation section flue gas channels, and the activation section flue gas channels are communicated with a furnace core shaft of the rake furnace structure;
the cooling section is arranged below the activation section in the furnace body and is communicated with the activation section through a plurality of activation material channels.
In addition, the vertical coke oven according to the embodiment of the present utility model may further have the following additional technical features:
in some embodiments of the utility model, the number of the burners is a plurality, and the burners are uniformly distributed at each edge discharge hole of the rake furnace structure; the burner is positioned between two adjacent edge discharge holes and a central discharge hole of the rake type furnace structure.
In some embodiments of the utility model, the number of the carbonization section flue gas channels is a plurality, and the carbonization section flue gas channels are uniformly distributed at each central discharge hole of the rake furnace structure; the carbonization section flue gas channel is positioned between two adjacent edge discharge holes and a central discharge hole of the rake type furnace structure.
In some embodiments of the utility model, the number of the discharge holes of the carbonization section is multiple, and each discharge hole of the carbonization section is communicated with an activation material channel; the two carbonization section discharge ports and the upper and lower positions of the activation material channel which are communicated with each other are arranged right opposite to each other.
In some embodiments of the present utility model, the activating material channel has a first side wall and a second side wall which are oppositely arranged, wherein a plurality of first activating gas channels are uniformly distributed on the first side wall from top to bottom, and a plurality of second activating gas channels are uniformly distributed on the second side wall from top to bottom; the uniform sides of the first activating gas channels and the second activating gas channels are communicated with the activating material channels, and the other sides of the first activating gas channels and the second activating gas channels are communicated with the activating section flue gas channels.
In some embodiments of the present utility model, the plurality of first activated gas channels and the plurality of second activated gas channels are symmetrically arranged and are all arranged in a vertically spaced relationship.
In some embodiments of the utility model, the activated gas inlet is provided at the bottom of the activation section on the furnace body, and the activated gas inlet is communicated with each activation material channel through a steam jet grid.
In some embodiments of the utility model, the cooling section is provided with a cooling coil; the top of a furnace core shaft of the rake furnace structure extends out of the furnace body to be connected with a rotating motor.
To achieve the above object, a second aspect of the present utility model provides a coke making system, comprising:
the coke making furnace is a vertical coke making furnace provided by the embodiment of the utility model;
the inlet of the secondary combustion furnace is communicated with the flue gas outlet of the furnace core shaft of the rake furnace structure;
the hot side inlet of the steam heater is communicated with the outlet of the secondary combustion furnace, the hot side outlet of the steam heater is communicated with the chimney, the cold side inlet of the steam heater is communicated with the outlet of the cooling medium of the cooling section, and the cold side outlet of the steam heater is communicated with the activated gas inlet.
In some embodiments of the utility model, the coking system further comprises a feed pump and a silo; the outlet of the water supply pump is communicated with the inlet of the cooling medium of the cooling section; the bin is arranged above the feed inlet of the coke making furnace.
The vertical coke oven disclosed by the embodiment of the utility model has the beneficial effects that:
(1) The carbonization and activation integrated furnace has small occupied area of equipment and large yield.
The vertical coke making furnace provided by the embodiment of the utility model can realize that raw coal particles are carbonized and activated in one step to obtain active coke with developed pores, and the carbonization and activation processes are combined, so that the occupied area of a system is effectively reduced, the coke making efficiency of the carbonization and activation integrated furnace is high, the yield is high, and the equipment investment cost is low.
(2) Avoiding the problem of tar blockage in the carbonization section.
The carbonization section adopts the rake stove design, and the material gets into from the first layer stove outside, from inboard and outside blanking in turn, constantly turns, and there is great space in the material upper strata simultaneously, can effectively prevent that carbonization in-process tar and material from bonding, and carbonization section material upper strata sets up the combustor simultaneously, burns the tar that will produce immediately, has thoroughly solved the jam problem of tar.
(3) The activated water vapor penetrates through the active coke layer, so that the activation time is short and the effect is good
The activated gas enters from the bottom of the active coke layer, contacts and activates the material in an up-down countercurrent way, and the activated gas contacts and activates the material more fully, so that the activation time is short and the effect is good.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:
fig. 1 is a simple structural schematic of a vertical coke oven according to an embodiment of the present utility model.
FIG. 2 is a simple horizontal cross-sectional view of a vertical coke oven activation section in accordance with one embodiment of the utility model.
Fig. 3 is a simplified horizontal cross-sectional view of a vertical coke oven activation section in accordance with another embodiment of the utility model.
Fig. 4 is a simple structural schematic of a coke oven system according to one embodiment of the utility model.
Reference numerals:
1-a furnace body; 2-a storage bin; 3-a coke oven feed inlet; 4-a material tray; 5-rake devices; 6-a burner; 7-an activation section flue gas discharge channel; 8-an air replenishment port; 9-furnace core bricks; 10-an activation section flue gas channel; 11-a first activating gas channel; 12-steam injection grid; 13-cooling coils; 14-a rotating electrical machine; 15-furnace mandrel; 16-carbonization section flue gas channel; 17-secondary combustion furnace; 18-a steam heater; 19-chimney; 20-a water supply pump; 21-a second activating gas channel; 22-an activation material channel; 23-an activated gas inlet; 24-a discharge hole of the carbonization section; 25-edge discharge holes; 26-a central discharge port; a 100-carbonization section; 200-an activation section; 300-cooling section.
Detailed Description
Reference will now be made in detail to embodiments of the present utility model, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
The vertical coke oven and the coke oven system according to the embodiments of the present utility model are described below with reference to the drawings.
Fig. 1 is a simple structural schematic of a vertical coke oven according to an embodiment of the present utility model.
As shown in fig. 1, the vertical coke oven according to the embodiment of the present utility model comprises a oven body 1, a carbonization section 100, an activation section 200, and a cooling section 300; the carbonization section 100 is arranged above the furnace body 1, the carbonization section 100 is provided with a rake furnace structure, and the carbonization section 100 is provided with a burner 6, a carbonization section flue gas channel 16 and a carbonization section 100 discharge hole; the carbonization section flue gas channel 16 is arranged on the furnace core shaft 15 of the rake furnace structure and is communicated with the furnace core shaft; the discharge port of the carbonization section 100 is arranged at the bottom of the carbonization section 100; the activation section 200 is arranged below the carbonization section 100 in the furnace body 1, the activation section 200 is provided with a plurality of activation material channels 22 and an activation gas inlet 23, the tops of the activation material channels 22 are communicated with a carbonization section discharge port 24, the bottoms of the activation material channels 22 are communicated with the activation gas inlet 23, the periphery of the activation material channels 22 is provided with an activation section flue gas channel 10, the activation material channels 22 are communicated with the activation section flue gas channel 10, an air supplementing port 8 is arranged in the activation section flue gas channel 10, and the activation section flue gas channel 10 is communicated with a furnace core shaft 15 of a rake furnace structure; the cooling section 300 is arranged below the activation section 200 in the furnace body 1, and the cooling section 300 is communicated with the activation section 200 through a plurality of activation material channels 22.
The vertical coke oven disclosed by the embodiment of the utility model is a carbonization and activation integrated oven, and the equipment occupies small area and has high yield; the rake type furnace structure is arranged at the carbonization section, so that tar generated by carbonization pyrolysis is combusted immediately, and the problem of tar blockage is effectively solved; by arranging the countercurrent contact activation of the activated gas and the material, the activation effect is remarkably improved, and the quality of the activated coke is improved.
The design idea of the vertical coke making furnace provided by the embodiment of the utility model is to take the existing rake furnace as a main body structure in a carbonization section furnace body, and assist in setting a carbon flower section flue gas channel, and integrate the flue gas channel, an activation section and a cooling section into one furnace body to form the vertical coke making furnace. The rake type furnace is an existing structure and generally comprises: as shown in fig. 1, a cylindrical furnace body (corresponding to the furnace body of the carbon flower section) is provided with a hollow tubular furnace mandrel 15 capable of rotating by 360 degrees at the central axis of the furnace body, a flue gas channel is arranged inside the furnace mandrel 15 and communicated with the outside of the furnace body, a feed port (corresponding to the coke making furnace feed port 3 of the embodiment of the utility model) is arranged at one side of the top of the furnace body, the inside of the furnace body is divided into multiple layers from top to bottom, each layer is provided with a rake device 5 and a material tray 4, the rake device 5 is connected with the furnace mandrel 15, a material channel (namely, a central discharge port 26 and an edge discharge port 26 in the utility model) is arranged at the paraxial position and the outer edge position of the material tray 4, and each layer of the material channel at the paraxial position and the outer edge position is arranged at intervals.
In some embodiments, as shown in fig. 2, "the periphery of the plurality of activation material channels 22 is the activation section flue gas channel 10", which means that the part between two adjacent activation material channels in the furnace body and the area between all activation material channels and the inner wall of the furnace body together form the activation section flue gas channel, the top of the activation section flue gas channel is sealed by the bottom of the carbonization section, and the bottom of the activation section flue gas channel is sealed by a partition plate and the like. The flue gas of the activation section can flow from the region of the flue gas channel of the activation section between all the activation material channels and the inner wall of the furnace body to the region of the activation flue between two adjacent activation material channels corresponding to the position of the furnace mandrel, and is discharged through the flue gas channel of the furnace mandrel.
In other embodiments, as shown in fig. 3, the periphery of the activation material channels 22 is an activation section flue gas channel 10", which means that the part between two adjacent activation material channels in the furnace body forms an activation section flue gas channel, the top of the activation section flue gas channel is sealed by the bottom of the carbonization section, the bottom of the activation section flue gas channel is sealed by a partition plate or the like, two opposite side walls (a front wall and a rear wall in fig. 1) of the activation material channels, which are not provided with a subsequent first activation gas channel and a second activation gas channel, are fixedly connected with the inner wall of the furnace body in a sealing manner, and an activation section flue gas discharge channel 7 is formed at the position, close to the bottom of the carbonization section, of the upper ends of the two side walls, and all the activation section flue gas discharge channels 7 are communicated with the flue gas channel of the furnace core shaft, so that the activation section flue gas can be discharged through the flue gas channel of the furnace core shaft.
In some embodiments, the side walls of the activation tunnel 22 are each piled up using the furnace core bricks 9.
In some embodiments, the number of the burners 6 is a plurality, and the burners are uniformly distributed at each edge discharge port 25 of the rake-type furnace structure; the burner 6 is positioned between two adjacent edge discharge ports 25 and a central discharge port 26 of the rake-type furnace structure and is used for supplementing oxygen to burn pyrolysis gas and tar which are separated out by pyrolysis and carbonization and are gathered on the upper part of the materials, and the pyrolysis gas and the tar are used as a heat source for heating the materials in the carbonization section, and meanwhile, the tar is ensured to be burned immediately after being separated out. An optional burner 6 is mounted on the inside wall of the furnace body.
In some embodiments, the number of carbonization section flue gas channels 16 is multiple, evenly distributed at each central outlet 26 of the rake furnace structure; the carbonization section flue gas channel 16 is positioned between two adjacent edge discharge holes 25 and a central discharge hole 26 of the rake type furnace structure, and can discharge the carbonization section flue gas which is burnt by the burner to remove tar out of the furnace body through the furnace core shaft.
In some embodiments, the number of carbonization section outlets 24 is multiple, and each carbonization section outlet 24 communicates with one activation conduit 22; the two carbonization section discharge holes 24 and the activation material channel 22 which are communicated with each other are arranged in a vertically opposite way, so that the material from the carbonization section can enter the activation material channel by means of self weight for activation.
In some embodiments, the activation material channel 22 has a first side wall and a second side wall, which are opposite to each other, wherein the first side wall is uniformly distributed with a plurality of first activation gas channels 11 from top to bottom, and the second side wall is uniformly distributed with a plurality of second activation gas channels 21 from top to bottom; the uniform sides of the first activating gas channels 11 and the second activating gas channels 21 are communicated with the activating material channels 22, and the other sides of the first activating gas channels and the second activating gas channels are communicated with the activating section flue gas channels 10. In the activation material channel, the activation gas flows from bottom to top, the materials move from top to bottom, the two materials are in countercurrent contact activation, the activation effect is good, the mixed gas generated by activation can be discharged out of the activation material channel through the first activation gas channel and the second activation gas channel, and the mixed gas is subjected to air action through the air supplementing opening to supplement oxygen for combustion. Preferably, the first activated gas passages 11 and the second activated gas passages 21 are symmetrically arranged and are all arranged at intervals up and down.
In some embodiments, an activated gas inlet 23 is provided at the bottom of the activation section 200 on the furnace body 1, and the activated gas inlet 23 communicates with each of the activation lanes 22 through the steam injection grid 12. The steam injection grid may be configured as an existing ammonia injection grid, and the type of gas injected is changed from ammonia gas to activated gas such as water vapor.
In some embodiments, the air supplementing port may be an air injection pipeline connected with an external air source and arranged inside the activation section, and the structure of the air supplementing port may be the structure of an existing ammonia injection grid or simply an air injection pipe communicated with a plurality of spray heads.
In some embodiments, the cooling section 300 is provided with cooling coils 13, which can cool the material from the activation section by a heat exchange medium such as cold water; the top of a furnace core shaft 15 of the rake furnace structure extends out of the furnace body 1 and is connected with a rotating motor 14, so that the furnace core shaft can be driven to rotate.
In the utility model, a coke making furnace discharge port 27 is arranged at the bottom of the furnace body and is used for discharging and collecting active coke.
Taking the situation of setting the flue gas discharge channel 7 of the activation section as an example, the operation method of the coke oven of the embodiment of the utility model is as follows:
raw coal particles fall into a coke oven inlet 3 from a storage bin 2, sequentially pass through a carbonization section 100, an activation section 200 and a cooling section 300, and are discharged from the bottom; in the carbonization section 100, the furnace mandrel 15 rotates to drive the rake device 5 to rotate, materials are continuously stirred to a central discharge hole 26 at the position of a near shaft of the coke making furnace from the outer edge of the coke making furnace, the materials fall to the next layer, the materials are stirred to an edge discharge hole 25 at the position of the outer edge of the coke making furnace by the rake device 5, the materials fall to the next layer and continuously fall in a circulating way, the materials are pyrolyzed and carbonized in the continuous stirring and falling process, separated pyrolysis gas and tar are accumulated at the upper part of the materials, the materials are supplemented with air by the burner 6 to be burnt, and the materials are sequentially used as a heat source for heating the materials of the carbonization section, and meanwhile, the tar is immediately burnt after being separated out. The carbonized material falls to the activation section 200, and in the vertical falling process of the material, the carbonized material is in countercurrent contact with the vertically upward activated gas (such as water vapor) to be fully activated, the water gas generated in the activation process enters the flue gas channel of the activation section through the first activated gas channel 11 and the second activated gas channel 21, is mixed with air of the air supplementing port 8 to burn, supplements the heat of the activation section, and the flue gas passes through the flue gas channel 10 of the activation section and is discharged to the flue gas channel inside the furnace core shaft 15 of the carbonization section through the flue gas discharging channel 7 of the activation section at the top, so that the flue gas is discharged out of the coke oven.
As shown in fig. 4, the coke making system of the embodiment of the utility model comprises a coke making furnace, a secondary combustion furnace 17 and a steam heater 18, wherein the coke making furnace is a vertical coke making furnace of the embodiment of the utility model; the inlet of the secondary combustion furnace 17 is communicated with the flue gas outlet of the furnace core shaft 15 of the rake furnace structure; the hot side inlet of the steam heater 18 is communicated with the outlet of the secondary combustion furnace 17, the hot side outlet of the steam heater 18 is communicated with the chimney 19, the cold side inlet of the steam heater 18 is communicated with the outlet of the cooling medium of the cooling section 300, and the cold side outlet of the steam heater 18 is communicated with the activated gas inlet 23.
The coke making system provided by the embodiment of the utility model can fully burn the flue gas from the coke making furnace, further remove combustible matters in the flue gas, exchange heat between the high-temperature flue gas and the water vapor obtained after the cooling section cools the material of the activation section, further heat the water vapor to enable the gas to reach the temperature requirement of the activation gas of the activation section, and enter the activation section of the coke making furnace as the activation gas, and the heat exchanged flue gas enters a chimney.
In some embodiments, to provide cooling medium-cold water to the cooling section of the coke oven, the coke making system further includes a feedwater pump 20, the outlet of the feedwater pump 20 being in communication with the inlet of the cooling medium (i.e., the inlet of the cooling coil) of the cooling section 300; in addition, in order to facilitate raw coal particles to enter the coke oven, a feed bin 2 is arranged above a feed inlet of the coke oven.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.
Claims (10)
1. A vertical coke oven, comprising:
a furnace body;
the carbonization section is arranged above the furnace body and is provided with a rake furnace structure, and the carbonization section is provided with a burner, a carbonization section flue gas channel and a carbonization section discharge port; the carbonization section flue gas channel is arranged on a furnace core shaft of the rake furnace structure and is communicated with the furnace core shaft; the discharge port of the carbonization section is arranged at the bottom of the carbonization section;
the activation section is arranged below the carbonization section in the furnace body, the activation section is provided with a plurality of activation material channels and an activation gas inlet, the tops of the activation material channels are communicated with the discharge port of the carbonization section, the bottoms of the activation material channels are communicated with the activation gas inlet, the periphery of the activation material channels is provided with activation section flue gas channels, the activation material channels are communicated with the activation section flue gas channels, an air supplementing port is arranged in the activation section flue gas channels, and the activation section flue gas channels are communicated with a furnace core shaft of the rake furnace structure;
the cooling section is arranged below the activation section in the furnace body and is communicated with the activation section through a plurality of activation material channels.
2. The vertical coke oven of claim 1, wherein the number of the burners is a plurality of the burners and the burners are uniformly distributed at the discharge holes at each edge of the rake-type oven structure; the burner is positioned between two adjacent edge discharge holes and a central discharge hole of the rake type furnace structure.
3. The vertical coke oven according to claim 1, wherein the number of the carbonization section flue gas channels is plural and is uniformly distributed at each central discharge port of the rake-type oven structure; the carbonization section flue gas channel is positioned between two adjacent edge discharge holes and a central discharge hole of the rake type furnace structure.
4. The vertical coke oven of claim 1, wherein the number of carbonization section discharge ports is plural, and each carbonization section discharge port is communicated with an activation material channel; the two carbonization section discharge ports and the upper and lower positions of the activation material channel which are communicated with each other are arranged right opposite to each other.
5. The vertical coke oven of claim 1, wherein the activation material channel has a first side wall and a second side wall which are oppositely arranged, a plurality of first activation gas channels are uniformly distributed on the first side wall from top to bottom, and a plurality of second activation gas channels are uniformly distributed on the second side wall from top to bottom; the uniform sides of the first activating gas channels and the second activating gas channels are communicated with the activating material channels, and the other sides of the first activating gas channels and the second activating gas channels are communicated with the activating section flue gas channels.
6. The vertical coke oven of claim 5, wherein the plurality of first activated gas channels and the plurality of second activated gas channels are symmetrically arranged and are each disposed in a vertically spaced relationship.
7. The vertical coke oven of claim 1, wherein the activated gas inlet is provided at the bottom of an activation section on the oven body, and the activated gas inlet communicates with each activation lane through a steam injection grid.
8. The vertical coke oven of claim 1, wherein the cooling section is provided with a cooling coil; the top of a furnace core shaft of the rake furnace structure extends out of the furnace body to be connected with a rotating motor.
9. A coke making system, comprising:
a coke oven, which is a vertical coke oven as defined in any one of claims 1 to 8;
the inlet of the secondary combustion furnace is communicated with the flue gas outlet of the furnace core shaft of the rake furnace structure;
the hot side inlet of the steam heater is communicated with the outlet of the secondary combustion furnace, the hot side outlet of the steam heater is communicated with the chimney, the cold side inlet of the steam heater is communicated with the outlet of the cooling medium of the cooling section, and the cold side outlet of the steam heater is communicated with the activated gas inlet.
10. The coking system according to claim 9, further comprising a feed pump and a silo;
the outlet of the water supply pump is communicated with the inlet of the cooling medium of the cooling section;
the bin is arranged above the feed inlet of the coke making furnace.
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CN202320134864.7U CN219259923U (en) | 2023-01-13 | 2023-01-13 | Vertical coke oven and coke making system comprising same |
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CN202320134864.7U CN219259923U (en) | 2023-01-13 | 2023-01-13 | Vertical coke oven and coke making system comprising same |
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