CN217149066U - Coke oven head - Google Patents

Abstract

The utility model discloses a coke oven head, which comprises a furnace head vertical flue, a furnace head brick gas channel and a furnace head brick air channel, wherein the inlet end of the furnace head brick gas channel is communicated with a rich gas main pipe, the outlet end of the furnace head brick gas channel is communicated with the furnace head vertical flue, and the rich gas main pipe conveys rich gas with pressure to the furnace head vertical flue through the furnace head brick gas channel; the inlet end of the furnace end brick air channel is communicated with the air main pipe, and the outlet end of the furnace end brick air channel is communicated with the furnace end vertical fire channel. The utility model discloses broken through the poor less limitation of buoyancy, found the rich coal gas that has certain pressure to the furnace end through the supplementary in the burner brick gas channel founds the flame path to the furnace end, found the air that has certain pressure in the flame path to the furnace end through the burner brick air channel, so, just can ensure that the furnace end has sufficient fuel gas in founding the flame path, just so can ensure that the furnace end founds and has higher temperature in the flame path to avoid the furnace end region to appear coking.

Description

Coke oven head

Technical Field

The utility model relates to a coke oven technical field, more specifically say, relate to a coke oven furnace end.

Background

In order to achieve the purposes of stability, high yield, high quality and low consumption of the coke oven, the coke cakes in each coking chamber are required to be uniformly matured along the long direction and the high direction within a specified time (coking time). The furnace end is positioned on the side surface of the coke oven, and the furnace end vertical flue and the atmosphere carry out heat radiation, so that the temperature in the furnace end vertical flue is reduced, and the buoyancy difference in the furnace end vertical flue is reduced.

Secondly, the temperature of the area of the furnace end of the coke oven is low and the temperature fluctuation is large under the influence of operations such as door removal and coke pushing, so the temperature in the furnace end vertical flue is reduced, and the buoyancy difference in the furnace end vertical flue is reduced.

In addition, the surface of the side part of the furnace end is not tightly sealed, and external cold air can enter the coke oven, so that the temperature of the furnace end vertical flue can be reduced, and the buoyancy difference of the furnace end vertical flue can be reduced.

If the buoyancy difference in the furnace end vertical flue is reduced, the furnace end vertical flue is insufficient in air supply and insufficient in combustion, so that the furnace end is scorched in the furnace end area. During coke pushing, a large amount of smoke is generated, even the coke pushing is difficult, and simultaneously, the furnace wall can crack, degrade, deform and accelerate the damage of the furnace body.

Therefore, how to ensure the air input that the burner found the flame path, improve the burner and found the temperature in the flame path to avoid the burner region to appear green burnt, the key problem that the skilled person in the art needs to solve urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims at ensuring the air input of the furnace end vertical flame path, improving the temperature of the furnace end vertical flame path, thereby avoiding the occurrence of coke formation in the furnace end region. In order to achieve the above purpose, the utility model provides a following technical scheme:

a coke oven end comprises an end block vertical flue, an end block gas channel and an end block air channel, wherein the inlet end of the end block gas channel is communicated with a gas-rich main pipe, the outlet end of the end block gas channel is communicated with the end block vertical flue, and the gas-rich main pipe conveys pressurized gas-rich to the end block vertical flue through the end block gas channel;

the inlet end of the furnace end brick air channel is communicated with an air main pipe, the outlet end of the furnace end brick air channel is communicated with the furnace end vertical fire channel, and the air main pipe conveys air with pressure to the furnace end vertical fire channel through the furnace end brick air channel.

Preferably, the bottom of the furnace end vertical flue is provided with a lean gas inlet and an air inlet.

Preferably, the coke oven is a rich gas single-heat coke oven, or a complex-heat coke oven, or a lean gas single-heat coke oven.

Preferably, the coke oven is a reheat coke oven, and the gas-rich main pipe is provided with a gas-rich branch pipe which can be communicated with the furnace end brick gas channel.

Preferably, the bottom that the burner found the flame path is provided with the exhaust gas circulation hole, the exhaust gas circulation hole is used for the intercommunication the burner found the flame path and with the burner found the flame path adjacent and found the flame path.

Preferably, the furnace end brick gas channel extends into the furnace end vertical fire channel, and the gas lamp cap brick of the furnace end brick gas channel is as high as the gas lamp cap brick of the brick gas channel in the middle of the furnace body.

Preferably, the lean gas inlet and the air inlet are arranged oppositely, the burner brick gas channel and the burner brick air channel are arranged oppositely, and the lean gas inlet and the burner brick gas channel are distributed on different sides of the burner vertical flame channel.

Preferably, the lean gas inlet and the air inlet have non-adjustable openings.

Preferably, the furnace end vertical flue is the vertical flue closest to the furnace end.

Preferably, the burner brick further comprises a rich gas adjusting device and an air adjusting device, wherein the rich gas adjusting device is used for adjusting the flow rate of rich gas in the burner brick gas channel, and the air adjusting device is used for adjusting the air flow rate in the burner brick air channel.

It can be seen from the above technical solution that: because the buoyancy difference in the vertical flue of the furnace end is smaller, the air intake amount is smaller. The utility model discloses broken through the poor less limitation of buoyancy, found the rich coal gas that has certain pressure to the furnace end through the supplementary in the burner brick gas channel founds the flame path to the furnace end, found the air that has certain pressure in the flame path to the furnace end through the burner brick air channel, so, just can ensure that the furnace end has sufficient fuel gas in founding the flame path, just so can ensure that the furnace end founds and has higher temperature in the flame path to avoid the furnace end region to appear coking.

Drawings

In order to illustrate the embodiments of the present invention more clearly, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained without inventive efforts.

Fig. 1 is a schematic bottom structure view of a furnace end vertical flue of a gas-rich single-heat type coke oven provided in a specific embodiment of the prior art;

FIG. 2 is a schematic bottom structure view of a furnace end vertical flue of a reheat coke oven provided in an embodiment of the prior art;

FIG. 3 is a schematic bottom structure view of a furnace end flue of a lean gas single-heat type coke oven according to an embodiment of the prior art;

fig. 4 is a schematic bottom structure view of a furnace end vertical flue according to an embodiment of the present invention;

FIG. 5 is a schematic diagram of a four-flue exhaust gas recirculation hole according to an embodiment of the prior art;

fig. 6 is a schematic structural view of a dual flue exhaust gas circulation hole according to an embodiment of the present invention;

FIG. 7 is a sectional view of a burner region of a gas-rich single-heat type coke oven or a complex-heat type coke oven according to an embodiment of the prior art;

fig. 8 is a sectional view of a coke oven head area according to an embodiment of the present invention.

Wherein 101 is a lean gas inlet, 102 is an air inlet, 103 is an adjusting brick, 104 is a gas burner brick, 105 is a furnace end vertical flue, 106 is a waste gas circulating hole, and 107 is a brick gas channel;

1 is a lean gas inlet or an air inlet, 2 is an air inlet, 3 is a gas lamp holder brick, 4 is an air lamp holder brick, 5 is a furnace end vertical flue, 6 is a waste gas circulation hole, 7 is a furnace end brick gas flue, and 8 is a furnace end brick air flue.

Detailed Description

The utility model discloses a coke oven furnace end, this furnace end structure can ensure the air input that the furnace end found the flame path to improve the furnace end and found the temperature in the flame path, and then avoid the furnace end region to appear green burnt.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 4 and 8, fig. 4 is a schematic bottom structure diagram of a furnace end vertical flue according to an embodiment of the present invention, and fig. 8 is a sectional view of a furnace end area of a coke oven according to an embodiment of the present invention. The coke oven end of the utility model comprises an oven end vertical fire channel 5, in particular, an oven end brick gas channel 7 and an oven end brick air channel 8. The inlet end of the burner brick gas channel 7 is communicated with a gas-rich main pipe, and the gas-rich main pipe is used for conveying pressurized gas-rich into the burner brick gas channel 7. The outlet end of the furnace end brick gas channel 7 is communicated with the furnace end vertical fire channel 5. The rich gas with pressure enters the furnace end vertical flue 5 through the furnace end brick gas flue 7. Or it can be understood that the rich gas with pressure is conveyed into the burner vertical flue 5 through the burner block gas flue 7. The inlet end of the furnace end brick air channel 8 is communicated with the air main pipe. The air main pipe is used for conveying air with pressure to the furnace end brick air channel 8. The outlet end of the furnace end brick air channel 8 is communicated with the furnace end vertical fire channel 5. Air with pressure enters the burner vertical flue 5 through the burner block air channel 8. Or may be understood as delivering air under pressure into the burner chimney 5 through the burner block air duct 8.

Because the buoyancy difference in the furnace end vertical flue 5 is smaller, the air intake amount is smaller. The utility model discloses broken through the poor less limitation of buoyancy, found the rich gas that has certain pressure to the furnace end through the supplement in furnace end brick gas channel 7 founds flame path 5, found the air that has certain pressure in the flame path 5 to the furnace end through furnace end brick air duct 8, so, just can ensure that the furnace end founds sufficient fuel gas in the flame path 5, just so can ensure that the furnace end founds and has higher temperature in the flame path 5 to avoid the furnace end region to appear coking.

The highest position of the furnace end brick gas channel 7 is a gas lamp holder brick 3, the highest position of the furnace end brick air channel 8 is an air lamp holder brick 4, and the gas lamp holder brick 3 and the air lamp holder brick 4 are both positioned in the furnace end vertical flue 5. The bottom of the furnace end vertical flue 5 is also provided with a lean gas inlet 1 and an air inlet 2. When the coke oven is a rich gas single-heat type coke oven, the lean gas inlet 1 is an air inlet 1, that is, the bottom of the furnace end vertical flue 5 is provided with two air inlets, which will be described below and will not be described herein again.

At present, coke ovens at home and abroad are divided into a rich gas single-heat type coke oven, a complex heat type coke oven and a lean gas single-heat type coke oven according to heating systems.

Referring to fig. 1 and 7, fig. 1 is a schematic bottom structure diagram of a furnace end vertical flue of a gas-rich single-heat type coke oven provided in an embodiment of the prior art. Fig. 7 is a sectional view of a furnace end region of a gas-rich single-heat type coke oven according to an embodiment of the prior art. The bottom of a furnace end vertical flue 105 of the coal gas-rich single-heat type coke oven in the attached figure 1 is provided with two air inlets 102.

For the rich gas single-heat type coke oven, rich gas enters the corresponding vertical flame path from the basement right below the rich gas single-heat type coke oven through each brick gas path. Air enters the corresponding vertical flue through the regenerative chamber on the side surface of the coke oven and the two air inlets 102. In order to solve the problem of low temperature of the burner vertical flue, the technical personnel in the field increase the gas-rich air intake quantity of the burner brick gas flue 107. However, the applicant finds that the problem of low temperature of the furnace end vertical flue of the gas-rich single-heat coke oven cannot be obviously improved by increasing the gas inlet amount of the gas-rich single-heat coke oven. The applicant finds out through further research that: although the air inflow of the rich gas is increased, the air flowing into the furnace end vertical flue through the air inlet 102 is communicated with the atmosphere, the pressure ratio is smaller, and the buoyancy difference in the furnace end vertical flue is smaller, so that the air inflow is insufficient, the rich gas is not sufficiently combusted, and the temperature rise in the furnace end vertical flue is limited. And if the rich gas in the furnace end vertical flue is excessively increased to cause the excessive rich gas and insufficient combustion, black smoke is emitted from the furnace end vertical flue, so that the rich gas is wasted and the environment is polluted.

Referring to fig. 4 and 8, fig. 4 is a schematic bottom structure diagram of a furnace end vertical flue according to an embodiment of the present invention, which can be regarded as a schematic bottom structure diagram of a furnace end vertical flue of a gas-rich single-heat type coke oven in this embodiment. Fig. 8 is a sectional view of a coke oven head area according to an embodiment of the present invention, which can be regarded as a sectional view of a gas-rich single-heat type coke oven head area in this embodiment. The coal gas-rich single-heating coke oven is provided with a brick gas channel, and the brick gas channel close to the oven head is an oven head brick gas channel 7. The utility model adds the furnace end brick air channel 8 on the basis of the original coal gas-rich single-heating coke oven. An air inlet 1 and an air inlet 2 are arranged at the bottom of the furnace end vertical flue 5, and a gas lamp holder brick 3 and an air lamp holder brick 4 are also arranged in the furnace end vertical flue 5. During normal operation, the air inlet 1 and the air inlet 2 input air into the furnace end vertical flue 5. The air lamp head brick 4 inputs air with pressure into the furnace end vertical flue 5. The gas burner brick 3 inputs rich gas with pressure into the burner vertical flue 5.

The burner block air duct 8 is in communication with an air main duct for delivering air under pressure to the burner block air duct 8. When the temperature in the furnace end vertical fire channel 5 is lower, the air inflow of the furnace end brick gas channel 7 is increased, and meanwhile, the air inflow of the furnace end brick air channel 8 is increased until the temperature in the furnace end vertical fire channel 5 reaches the preset requirement.

The furnace body structures of the complex-heat type coke oven and the gas-rich single-heat type coke oven are the same, please refer to fig. 2 and fig. 7, and fig. 2 is a schematic bottom structure diagram of a furnace end vertical flue of the complex-heat type coke oven provided by a specific embodiment of the prior art. Fig. 7 is a sectional view of a furnace head area of a recuperative coke oven according to an embodiment of the prior art. As can be seen from the attached figure 2, a lean gas inlet 101 and an air inlet 102 are arranged at the bottom of a vertical flue at the furnace end of the complex heat type coke oven. The heating medium of the reheating coke oven is mainly lean gas, and rich gas is a standby heating medium. When the reheating coke oven starts to heat the lean gas, the lean gas and the air respectively enter the corresponding vertical flame paths through the lean gas inlet 101 and the air inlet 102. When the compound-heat type coke oven is started to use rich gas, the rich gas enters the corresponding vertical fire channel through the brick gas channel, air is introduced into the lean gas inlet 101 and the air inlet 102 at the moment, and the heating condition is completely the same as that of the rich-gas single-heat type coke oven at the moment.

In order to solve the problem of low temperature of the vertical flue of the furnace end of the compound heat type coke oven, the technical personnel in the field adopt the following measures: if the compound-heat type coke oven is used for rich gas, the air inflow of the rich gas is improved like a rich-gas single-heat type coke oven, but the problem similar to the problem of the rich-gas single-heat type coke oven is solved, namely, the temperature of a furnace end vertical flue is not obviously improved, the reason is similar to that of the rich-gas single-heat type coke oven, and the air inflow is insufficient.

If the reheating coke oven is used for lean gas, the furnace end brick gas channel 107 is used for delivering rich gas into the furnace end vertical gas channel through the furnace end brick gas channel 107. However, the verification shows that the temperature in the furnace end vertical flue cannot be obviously improved by conveying rich gas into the furnace end vertical flue. The applicant finds out through further research that: when the lean gas is heated, because the buoyancy difference in the furnace end vertical flue is smaller, and the pressure of the air entering the furnace end vertical flue through the air inlet 102 is smaller, the air inflow of the air inlet 102 is influenced, and meanwhile, because the air inlet 102 is only one, the air inflow of the air is further limited, so that the gas (rich gas and lean gas) cannot be fully combusted, and the temperature in the furnace end vertical flue cannot be obviously improved.

Referring to fig. 4 and 8, fig. 4 is a schematic bottom structure diagram of a furnace end vertical flue according to an embodiment of the present invention, which can be regarded as a schematic bottom structure diagram of a furnace end vertical flue of a complex heat type coke oven in this embodiment. Fig. 8 is a sectional view of a coke oven head area according to an embodiment of the present invention, which can be regarded as a sectional view of a reheat type coke oven head area in this embodiment. The reheating coke oven is provided with a brick gas channel, and the brick gas channel close to the oven head is an oven head brick gas channel 7. The utility model discloses add furnace end brick air duct 8 on the basis of original reheat formula coke oven, furnace end brick air duct 8 is responsible for the intercommunication with the air, and the air is responsible for and is used for carrying the air that has pressure to furnace end brick air duct 8, and the air rethread furnace end brick air duct 8 that has pressure enters into the furnace end and founds the flame path 5. When the temperature in the furnace end vertical fire channel 5 is lower, the air inflow of the furnace end brick gas channel 7 is increased, and meanwhile, the air inflow of the furnace end brick air channel 8 is increased until the temperature in the furnace end vertical fire channel 5 reaches the preset requirement.

The bottom of the furnace end vertical flue 5 is provided with a lean gas inlet 1 and an air inlet 2, and a gas lamp cap brick 3 and an air lamp cap brick 4 are also arranged in the furnace end vertical flue 5. When the reheating coke oven starts to heat rich gas, the lean gas inlet 1 and the air inlet 2 input air into the furnace end vertical flue 5, and the air lamp cap brick 4 inputs air with pressure into the furnace end vertical flue 5. The gas burner brick 3 inputs rich gas with pressure into the burner vertical flue 5. When the reheating coke oven starts to heat the lean gas, the lean gas inlet 1 inputs the lean gas into the furnace end vertical flue 5, the air inlet 2 inputs air into the furnace end vertical flue 5, and the air lamp cap brick 4 inputs air with pressure into the furnace end vertical flue 5. The gas burner brick 3 inputs rich gas with pressure into the burner vertical flue 5.

It should be noted that the utility model also connects a gas-rich branch pipe on the main gas-rich pipe of the reheating coke oven, and the gas-rich branch pipe is communicated with the furnace end brick gas channel 7. When the reheating coke oven works in a gas-rich mode, if the temperature in the furnace end vertical flue 5 is to be increased, the gas-rich air inflow in the furnace end brick gas flue 7 is increased, and the air inflow in the furnace end brick air flue 8 is increased. When the reheating coke oven works in a lean gas mode, if the temperature in the furnace end vertical flue 5 is to be increased, the rich gas branch pipe is opened, rich gas is input into the furnace end brick gas channel 7 through the rich gas branch pipe, and the air inflow of air in the furnace end brick air channel 8 is increased.

For a lean gas single-heat type coke oven, a brick gas channel is not arranged, so that the problem that the temperature of the furnace end of the lean gas single-heat type coke oven is low can not be solved, please refer to fig. 3, wherein fig. 3 is a bottom structure schematic diagram of a furnace end vertical fire channel of the lean gas single-heat type coke oven provided by a specific embodiment of the prior art.

Referring to fig. 4 and 8, fig. 4 is a schematic bottom structure diagram of a furnace end vertical flue according to an embodiment of the present invention, which can be regarded as a schematic bottom structure diagram of a furnace end vertical flue of a lean gas single-heat type coke oven in this embodiment. Fig. 8 is a sectional view of a coke oven head area according to an embodiment of the present invention, which can be regarded as a sectional view of a lean gas but hot coke oven head area. The utility model is provided with a furnace end brick gas channel 7 and a furnace end brick air channel 8 on the basis of the original lean gas single-heating coke oven. The furnace end brick gas channel 7 is communicated with the gas-rich main pipe. The furnace end brick air channel 8 is communicated with the air main pipe. When the temperature in the furnace end vertical flue 5 of the lean gas single-heat type coke oven is low, the furnace end brick gas channel 7 and the furnace end brick air channel 8 are started to increase the air inflow in the furnace end vertical flue 5.

The bottom of the furnace end vertical flue 5 is provided with a lean gas inlet 1 and an air inlet 2, and a gas lamp cap brick 3 and an air lamp cap brick 4 are also arranged in the furnace end vertical flue 5. During normal operation, the lean gas inlet 1 inputs lean gas into the furnace end vertical flue 5, the air inlet 2 inputs air into the furnace end vertical flue 5, and the air lamp cap brick 4 inputs air with pressure into the furnace end vertical flue 5. The gas burner brick 3 inputs rich gas with pressure into the burner vertical flue 5.

Referring to fig. 5, fig. 5 is a schematic structural diagram of a four-flue exhaust gas circulation hole according to an embodiment of the prior art. In the prior art, because the temperature of the furnace end vertical flue 105 is low, no exhaust gas circulation hole 106 is arranged between the furnace end vertical flue 105 and the vertical flue adjacent to the furnace end vertical flue, so as to avoid backfire explosion. Because the waste gas circulation holes 106 are not arranged, the waste gas cannot flow into the furnace end vertical flue 105, so the concentration of combustible gas in the furnace end vertical flue 105 is high, the combustion rate is high, the flame is low, and the uniformity of the coke oven in the high-direction heating is not facilitated.

In addition, because the waste gas circulation holes 106 are not arranged, heat cannot circulate, the gas burner block 104 of the furnace end block gas channel cannot be arranged too high for the gas-rich single-heat type coke oven and the complex-heat type coke oven, otherwise, the bottom temperature of the furnace end vertical gas channel 105 is low. It should be noted that the gas lamp head brick is located at the highest position of the brick gas channel, and the air lamp head brick is located at the highest position of the brick air channel. Referring to fig. 7, fig. 7 is a sectional view of a furnace end region of a gas-rich single-heat type coke oven or a double-heat type coke oven according to an embodiment of the prior art. In the prior art, the gas burner block 104 in the furnace end vertical flue 105 is lower than the gas burner block in the furnace body middle vertical flue. If the height of the gas burner block 104 is low, this will further result in a low flame, which is detrimental to the uniformity of the high-direction heating.

The utility model discloses in, no matter be rich gas single heat formula coke oven, compound hot type coke oven, still lean gas single heat formula coke oven, the utility model discloses a set up the mode of furnace end brick air duct 8, perhaps set up the mode of furnace end brick gas duct 7 and furnace end brick air duct 8 simultaneously, increased the air input that the furnace end found flame path 5 to the temperature in the furnace end found flame path 5 has been improved. Consequently, the furnace end founds flame path 5 and the adjacent difference in temperature between founding the flame path rather than being less, consequently the utility model discloses found flame path 5's bottom at the furnace end and set up exhaust gas circulation hole 6, this exhaust gas circulation hole 6 is used for communicateing the furnace end and founds flame path 5 and adjacent with it. Referring to fig. 6, fig. 6 is a schematic structural diagram of a dual flue exhaust gas circulation hole according to an embodiment of the present invention. The arrangement of the waste gas circulating holes 6 can enable waste gas to enter the furnace end vertical flue 5, so that the concentration of combustible gas in the furnace end vertical flue 5 is diluted, the combustion rate is slowed down, flame is increased, and the uniformity of high-direction heating of the coke oven is facilitated.

The waste gas circulation holes 6 are used for the circulation of waste gas, so that the bottom of the furnace end vertical flue 5 can be ensured to have higher temperature, and the position of the gas lamp head brick 3 can be lifted up to improve the flame in the furnace end vertical flue 5, thereby being beneficial to the uniformity of the coke oven in the height direction. Specifically, the height of the gas lamp head brick 3 in the furnace end vertical flue 5 can be set to be consistent with that of the gas lamp head bricks in other vertical flues in the middle of the furnace body. The height of the air lamp holder brick 4 is consistent with that of the gas lamp holder brick 3. Referring to fig. 8, fig. 8 is a sectional view of a coke oven head area according to an embodiment of the present invention.

To rich gas single heat formula coke oven and compound hot type coke oven, the utility model discloses furnace end brick air duct 8 has been add in furnace end founds flame path 5, to lean gas single heat formula coke oven, the utility model discloses not only add furnace end brick air duct 8 in furnace end founds flame path 5, still add furnace end brick gas duct 7. Therefore, how to arrange the lean gas inlet 1, the air inlet 2, the burner block gas channel 7 and the burner block air channel 8 in the burner block vertical flue 5 properly needs to be considered.

Firstly, the utility model discloses with the opposition setting of lean gas import 1 and 2 of air intlet, with the opposition setting of furnace end brick gas channel 7 and 8 of furnace end brick air channels to, lean gas import 1 and furnace end brick gas channel 7 distribute in the different sides of the vertical flame path 5 of furnace end. Referring to fig. 4, fig. 4 is a schematic bottom structure view of a furnace end vertical flue according to an embodiment of the present invention. The connecting line of the lean gas inlet 1 and the air inlet 2 is vertical to the connecting line of the furnace end brick gas channel 7 and the furnace end brick air channel 8.

With continued reference to fig. 1, 2 and 3, in the prior art, the widths of the air inlet 102 and the lean gas inlet 101 of the burner flue 105 are larger. In order to realize the adjustment of the air intake quantity and the lean gas intake quantity, adjusting bricks 103 are arranged at the air inlet 102 and the lean gas inlet 101. The regulating brick 103 blocks a part of the air inlet 102 or the lean gas inlet 101 in the long direction. However, the applicant found that: the air and lean gas entering the burner chimney 105 is far from sufficient and therefore no conditioning is necessary. In addition, as the coke ovens are raised, the adjustment of the adjustment brick 103 becomes very difficult, if not almost impossible. Therefore, the utility model cancels the adjusting bricks at the air inlet and the lean gas inlet. With continued reference to fig. 4, the openings of the lean gas inlet 1 and the air inlet 2 are rendered fixedly non-adjustable. Thus, the lengths of the air inlet 2 and the lean gas inlet 1 become large in the longitudinal direction. Simultaneously, the utility model discloses still reduced the width size of air intlet 2 and lean gas import 1. In this way, there is sufficient space in the width direction to provide the burner block gas duct 7 and the burner block air duct 8. In a specific embodiment of the invention, the width dimensions of both the lean gas inlet 1 and the air inlet 2 are reduced by 20-40 mm. In addition, the size of the burner area can be increased appropriately in order to provide the burner block air duct 8 and the burner block gas duct 7.

Although the adjusting brick 103 is cancelled, the utility model is provided with a rich gas adjusting device and an air adjusting device. The rich gas adjusting device is used for adjusting the rich gas flow in the brick gas channel 7. The air conditioning means is used to adjust the air flow in the brick air duct 8. The temperature in the furnace end vertical flue is accurately adjusted through the rich gas adjusting device and the air adjusting device.

The utility model provides a furnace end founds flame path 5 indicates the most one that is close to the furnace end founds the flame path, the utility model discloses only improve the structure of the most immediately flame path that is close to the furnace end. Although the temperature of the vertical flue next to the burner is lower than that of the vertical flue in the middle of the oven body, the applicant finds that the vertical flue next to the burner is mainly influenced by the vertical flue closest to the burner to reduce the temperature, the vertical flue next to the burner is not influenced by the side sealing performance of the oven body, and the loss caused by heat radiation and the influence of coke oven operation on the vertical flue are small. Therefore, if the temperature of the vertical flue closest to the furnace end is increased, the temperature of the vertical flue next to the furnace end is naturally increased, and the lateral heating uniformity of the coke oven is inevitably enhanced.

As can be understood by those skilled in the art, the coke oven has two side burners, namely a machine side burner and a coke side burner, and the two side burners are all provided with the burner structure of the utility model, and can be used independently on one side.

Finally, it should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments 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 invention. Thus, the present invention 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 (10)

1. The coke oven head comprises a furnace head vertical flue, and is characterized by further comprising a furnace head brick gas channel and a furnace head brick air channel, wherein the inlet end of the furnace head brick gas channel is communicated with a gas-rich main pipe, the outlet end of the furnace head brick gas channel is communicated with the furnace head vertical flue, and the gas-rich main pipe conveys gas with pressure to the furnace head vertical flue through the furnace head brick gas channel;

the inlet end of the furnace end brick air channel is communicated with an air main pipe, the outlet end of the furnace end brick air channel is communicated with the furnace end vertical fire channel, and the air main pipe conveys air with pressure to the furnace end vertical fire channel through the furnace end brick air channel.

2. The coke oven head of claim 1, wherein the bottom of the oven head chimney is provided with a lean gas inlet and an air inlet.

3. The coke oven head of claim 2, wherein the coke oven is a gas-rich single-heat coke oven, or a recuperative coke oven, or a lean gas single-heat coke oven.

4. The coke oven head of claim 2, wherein the coke oven is a reheat coke oven, and the main gas-rich pipe is provided with a branch gas-rich pipe, and the branch gas-rich pipe can be communicated with the oven head brick gas channel.

5. The coke oven head of claim 2, wherein the bottom of the head vertical flue is provided with a waste gas circulation hole for communicating the head vertical flue with a vertical flue adjacent to the head vertical flue.

6. The coke oven head of claim 5, wherein the head brick gas duct extends into the head riser duct, and the head brick of the head brick gas duct is at the same height as the head brick of the central brick gas duct.

7. The coke oven head of claim 5, wherein the lean gas inlet and the air inlet are disposed opposite one another, the burner block gas channel is disposed opposite the burner block air channel, and the lean gas inlet and the burner block gas channel are distributed on different sides of the burner riser channel.

8. The coke oven head of claim 2, wherein the openings of the lean gas inlet and the air inlet are not adjustable in size.

9. The coke oven head of claim 1, wherein the head vertical flue is the one closest to the head, the head being a coke side head, or a machine side head.

10. The coke oven head of claim 1, further comprising a rich gas regulating device for regulating a flow of rich gas in the burner block gas passage and an air regulating device for regulating an air flow in the burner block air passage.

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