WO2020199688A1

WO2020199688A1 - Burner heat-preservation structure of coke oven combustion chamber, coke oven combustion chamber and coke oven

Info

Publication number: WO2020199688A1
Application number: PCT/CN2019/130338
Authority: WO
Inventors: 杨忠义; 韩龙; 陈伟; 赵殿辉; 严国华
Original assignee: 中冶焦耐(大连)工程技术有限公司
Priority date: 2019-04-03
Filing date: 2019-12-31
Publication date: 2020-10-08
Also published as: CN109897649A; JP7093465B2; JP2021535252A

Abstract

Disclosed are a burner heat-preservation structure of a coke oven combustion chamber, a coke oven combustion chamber and a coke oven. An iron oven protection member (10) is provided outside burner masonry (1) of the coke oven combustion chamber, and the iron oven protection member (10) comprises a protection plate, an oven door frame (6) and oven columns (3); and the burner masonry (1) or the iron oven protection member (10) is coated with a thermal-insulation heat-preservation material layer (4). The surface of the burner masonry (1) or the iron oven protection member (10) is coated with the thermal-insulation heat-preservation material layer (4), such that the heat dissipation amount of a side flue is reduced, the temperature of the side flue is increased, and the service life of the iron oven protection member is prolonged, thereby achieving the aim of saving on energy, reducing the energy consumption and improving the energy utilization ratio.

Description

Insulation structure for furnace head of coke oven combustion chamber, coke oven combustion chamber and coke oven

Cross references to related applications

This disclosure claims the priority of the Chinese patent application filed with the Chinese Patent Office on April 3, 2019, with the application number 201910269742.7, titled "A kind of coke oven combustor furnace head insulation structure".

Technical field

The present disclosure relates to the technical field of coke ovens, and in particular to a coke oven combustion chamber furnace head insulation structure, a coke oven combustion chamber and a coke oven.

Background technique

As the main coking equipment, the coke oven has the characteristics of high energy consumption and high pollution. Coke ovens are high-temperature kilns, and the large surface heat dissipation is one of the reasons for their high energy consumption. As the country's requirements for environmental protection increase, the problem of energy saving and consumption reduction of coke ovens has become increasingly prominent.

Coke ovens generally consist of auxiliary equipment such as regenerators, ramps, combustion chambers, furnace roofs, other civil foundations, and furnace protection iron parts. The combustion chamber is the hottest part of the coke oven, and the temperature in the vertical fire channel of the combustion chamber can generally reach 1300℃-1400℃. At present, the furnace head of the combustion chamber of large coke ovens is generally made of silica bricks and high-alumina bricks with good resistance to rapid cooling and heating. The furnace head masonry is provided with iron parts for protecting the furnace. . In order to reduce the heat dissipation of the furnace head, some thermal insulation materials such as ceramic fiber blankets or non-asbestos calcium silicate boards will be filled between the iron parts of some coke ovens and the masonry, but the tar in the carbonization chamber will enter the furnace head during the production process. Insulation layer, resulting in reduced or even loss of insulation effect.

The research found that the existing coke ovens have at least the following defects:

The furnace head has large heat dissipation capacity, high temperature of the iron parts of the furnace, and short service life; the working environment temperature of the workers is high when pushing the coke, and the environment is poor; the temperature of the furnace head is relatively low, and the furnace head has green coke, which occurs when pushing the coke The phenomenon of smoke and fire; in order to wait for the maturity of the furnace coke during production, the coking time will be correspondingly extended and the energy consumption will be increased.

Summary of the invention

The present disclosure provides a coke oven combustion chamber furnace head thermal insulation structure, a coke oven combustion chamber and a coke oven to solve at least one of the above technical problems. The thermal insulation is coated on the surface of the furnace head masonry or furnace protection iron The method of insulating material layer reduces the heat dissipation of the side fire channel, increases the temperature of the side fire channel and the service life of the iron parts of the furnace, so as to achieve the purpose of energy saving, consumption reduction, and energy utilization.

In order to achieve the above objectives, the embodiments of the present disclosure are implemented as follows:

The embodiment of the present disclosure provides a heat preservation structure for the furnace head of a coke oven combustion chamber. The furnace head masonry of the coke oven combustion chamber is provided with furnace-protecting iron parts. The furnace-protecting iron parts include a protective plate, a furnace door frame and a furnace column; The body or the iron part of the furnace is coated with a layer of thermal insulation material.

Optionally, the inner surface and/or the outer surface of the furnace head brickwork is coated with a layer of thermal insulation material.

Optionally, the protection board is set as a large protection board, and the inner surface of the large protection board and/or the outer surface of the large protection board is coated with a thermal insulation material layer.

Optionally, the protection board is set as a middle protection board, and the inner surface of the middle protection board and the inner surface of the furnace door frame and/or the outer surface of the middle protection board and the outer surface of the furnace door frame are coated with a thermal insulation material layer.

Optionally, the coating thickness of the thermal insulation material layer is 1 mm-40 mm.

The embodiment of the present disclosure also provides a furnace head masonry of a coke oven combustion chamber with an outer furnace protection iron piece, and the furnace head masonry and/or the furnace protection iron piece is coated with a thermal insulation material layer.

Optionally, the furnace protection iron piece includes a protective plate, a furnace door frame and a furnace column, the protective plate resists the furnace head masonry, the furnace door frame is connected to the protective plate, and the furnace column resists the protective plate.

Optionally, the protection board is set as a large protection board, the large protection board is configured to resist the furnace head masonry, the furnace door frame is connected with the large protection board, and the furnace column resists the large protection board; the inner surface of the furnace head masonry, At least two of the outer surface of the furnace head masonry, the inner surface of the large protective board and the outer surface of the large protective board are provided with a thermal insulation material layer.

Optionally, the protection board is set as a middle protection board, the middle protection board resists the furnace head masonry, the furnace door frame is connected with the middle protection board, the furnace door frame resists the furnace head masonry; the inner surface of the furnace head masonry, the furnace At least two of the outer surface of the head masonry, the inner surface of the middle protection board and the inner surface of the furnace door frame, and the outer surface of the middle protection board and the outer surface of the furnace door frame are provided with a thermal insulation material layer.

Optionally, the protection board is set as a middle protection board, the middle protection board resists the furnace head masonry, the furnace door frame is connected with the middle protection board, the furnace door frame resists the furnace head masonry, and the outer surface of the middle protection board is against the furnace door frame The outer surface of the furnace together forms the first coating surface, the inner surface of the middle protection plate and the inner surface of the furnace door frame together form the second coating surface; the inner surface of the furnace head brickwork, the outer surface of the furnace head brickwork, the first coating surface and At least two of the second coating surfaces are provided with thermal insulation material layers.

Optionally, the inner surface of the furnace head masonry is coated with a thermal insulation material layer, and the thickness of the thermal insulation material layer is not greater than 20 mm.

Optionally, the thickness of the thermal insulation material layer coated on the inner surface of the furnace head masonry is 10 mm.

Optionally, the inner surface of the furnace head masonry is set as the surface of the side of the combustion chamber near the side of the furnace head; the outer surface of the furnace head masonry is the surface on the side where the furnace head masonry contacts the furnace iron.

Optionally, the furnace head masonry includes a connected heat conduction wall and an installation wall, the heat conduction wall is configured to transfer heat to the adjacent carbonization chamber, and the installation wall is provided with a thermal insulation material layer.

Optionally, the installation wall includes an inner side and an outer side opposite to each other in the extending direction of the furnace head brickwork, and at least one of the inner side and the outer side is provided with a thermal insulation material layer.

Optionally, the furnace head masonry includes multiple silicon bricks, and multiple silicon bricks are joined together.

The embodiment of the present disclosure also provides a coke oven combustion chamber, which includes the above-mentioned coke oven combustion chamber furnace head insulation structure.

The embodiment of the present disclosure also provides a coke oven, which includes the above-mentioned coke oven combustion chamber furnace head insulation structure or the above-mentioned coke oven combustion chamber.

Compared with the prior art, the beneficial effects of the present disclosure include, for example:

1) By coating the surface of the furnace head masonry or the iron parts of the furnace with a layer of thermal insulation material, reduce the heat dissipation of the furnace head of the combustion chamber;

2) It can effectively increase the temperature of the side fire channel, which is conducive to the maturation of the furnace head coke, shortens the coking time, and prevents smoke and fire when pushing the coke;

3) It can reduce the working temperature of the furnace iron parts and increase the service life of the furnace iron parts;

4) It is suitable for both newly built coke ovens and the transformation of old coke ovens; it can be applied to the burner side of the combustion chamber and the coke side of the combustion chamber; it can achieve energy saving and consumption reduction and increase energy utilization The purpose of the rate.

Description of the drawings

In order to explain the technical solutions of the embodiments of the present disclosure more clearly, the following will briefly introduce the drawings that need to be used in the embodiments. It should be understood that the following drawings only show certain embodiments of the present disclosure, and therefore do not It should be regarded as a limitation of the scope. For those of ordinary skill in the art, other related drawings can be obtained based on these drawings without creative work.

Figure 1 is a schematic diagram of the furnace head insulation structure provided by an embodiment of the present disclosure (the protective plate is set as a large protective plate);

Figure 2 is a schematic diagram of the furnace head insulation structure provided by an embodiment of the present disclosure (the protective plate is set as a middle protective plate);

3 is a schematic diagram of a first modified structure of the furnace head heat preservation structure provided by an embodiment of the present disclosure;

4 is a schematic diagram of a second modified structure of the furnace head insulation structure provided by an embodiment of the present disclosure;

Figure 5 is a schematic structural diagram of a furnace protection iron provided by an embodiment of the present disclosure;

6 is a schematic diagram of the structure of the furnace head masonry provided by an embodiment of the disclosure;

FIG. 7 is a schematic diagram of a third modified structure of the furnace head insulation structure provided by an embodiment of the disclosure;

FIG. 8 is a schematic diagram of a fourth modified structure of the furnace head insulation structure provided by an embodiment of the disclosure;

FIG. 9 is a schematic diagram of a fifth modified structure of the furnace head insulation structure provided by an embodiment of the disclosure.

icon:

1-burner head masonry; 11-installation wall; 111-outside; 112-inside; 12-heat conduction wall; 10-furnace protection iron; 2-large protection board; 3-furnace column; 4-heat insulation material layer ; 5-Middle protection board; 6-furnace door frame; 7-first coating surface; 8-second coating surface.

detailed description

In order to make the objectives, technical solutions, and advantages of the embodiments of the present disclosure clearer, the technical solutions in the embodiments of the present disclosure will be described clearly and completely in conjunction with the accompanying drawings in the embodiments of the present disclosure. Obviously, the described embodiments It is a part of the embodiments of the present disclosure, but not all the embodiments. The components of the embodiments of the present disclosure generally described and illustrated in the drawings herein may be arranged and designed in various different configurations.

Therefore, the following detailed description of the embodiments of the present disclosure provided in the accompanying drawings is not intended to limit the scope of the claimed present disclosure, but merely represents selected embodiments of the present disclosure. Based on the embodiments in the present disclosure, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present disclosure.

It should be noted that similar reference numerals and letters indicate similar items in the following figures. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

In the description of the present disclosure, it should be noted that if the orientation or positional relationship indicated by the terms "inner", "outer", etc. appears, it is based on the orientation or positional relationship shown in the drawings, or the product of the invention is habitually used. The orientation or positional relationship is only for the convenience of describing the present disclosure and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a reference to the present disclosure. limit.

In addition, if the terms "first", "second", etc. appear, they are only used for distinguishing description, and cannot be understood as indicating or implying relative importance.

In the description of the present disclosure, it should also be noted that, unless otherwise clearly specified and limited, the terms "set", "connected", "connected", etc. should be interpreted in a broad sense, for example, it may be a fixed connection or It can be a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication between two components. For those of ordinary skill in the art, the specific meaning of the above-mentioned terms in the present disclosure can be understood in specific situations.

It should be noted that, in the case of no conflict, the features in the embodiments of the present disclosure can be combined with each other.

As shown in Figures 1 and 2, the present disclosure provides a coke oven combustion chamber furnace head insulation structure, including furnace head masonry 1 and furnace protection iron parts 10, the furnace protection iron parts 10 are arranged on the furnace head masonry 1 The outer side 111 is configured to resist the burner block 1. The furnace head masonry 1 and/or the furnace head masonry 10 are coated with a thermal insulation material layer 4, in other words, at least one of the furnace head masonry 1 and the furnace head masonry 10 A thermal insulation material layer 4 is provided on it.

In the present disclosure, optionally, the furnace protection iron piece 10 includes a protective plate, a furnace door frame 6 and a furnace column 3. The protective plate is against the furnace head masonry 1, the furnace door frame is connected with the protective plate, and the furnace column 3 is against the protective plate, so that the external force applied on the furnace column 3 is transferred to the furnace head masonry 1 through the protective plate, or , The external force applied on the furnace column 3 is transmitted to the furnace head masonry 1 through the protective plate and the furnace door frame 6 together.

3 or 4, in the present disclosure, optionally, the inner surface of the furnace head masonry 1 and/or the outer surface of the furnace head masonry 1 is coated with a thermal insulation material layer 4, in other words, the furnace The inner surface of the head masonry 1 may be coated with a heat-insulating material layer 4, or the outer surface of the furnace head masonry 1 may be coated with a heat-insulating material layer 4, or the inner surface of the furnace head masonry 1 and the furnace head The outer surface of the masonry 1 can be coated with a thermal insulation material layer 4.

In this disclosure, it should be noted that the inner surface of the burner block 1 is the surface on the side of the combustion chamber near the side of the burner, and the outer surface of the burner block 1 is the burner block 1 and the furnace iron The surface of the contact side of the piece 10 does not contain the wall tiles of the carbonization chamber.

Please refer to Figure 6 in conjunction with Figures 3, 4 and 7, in other words, the furnace head masonry 1 includes a heat-conducting wall 12 and a mounting wall 11 configured to be connected to the furnace door (not shown). The heat-conducting wall 12 is located in the furnace The side of the head masonry 1 is configured to transfer the heat generated by the combustion of the fuel inside the furnace head masonry 1 to the carbonization chamber adjacent to the heat conducting wall 12 to heat the materials in the carbonization chamber. The installation wall 11 is located at one end of the furnace head masonry 1 in the extending direction, and is connected to the heat conducting wall 12; in addition, the installation wall 11 is provided with an installation opening that penetrates the installation wall 11 along the extending direction of the furnace head masonry 1 and matches the furnace door ( Picture not shown). The inner surface of the burner block 1 refers to the inner wall of the installation wall 11, and the outer surface of the burner block 1 refers to the outer wall of the installation wall 11. At least one of the inner wall and the outer wall of the burner block 1 is provided with a thermal insulation material layer 4.

Optionally, the furnace protection iron 10 is configured to abut against the outer side 111 of the installation wall 11 of the furnace head masonry 1.

In the present disclosure, optionally, the protective plate is set as a large protective plate 2, and the inner surface of the large protective plate 2 and/or the outer surface of the large protective plate 2 is coated with a thermal insulation material layer 4, in other words, the large protective plate At least one of the inner surface of the board 2 and the outer surface of the large protective board 2 is provided with a thermal insulation material layer 4. The large protective plate 2 is pressed against the outer side 111 of the installation wall 11 of the furnace head block 1. The furnace door frame 6 is connected to the large protective plate 2, and the furnace door frame 6 is arranged on the side of the large protective plate 2 away from the installation wall 11. The external force applied to the furnace column 3 is transmitted to the furnace head masonry 1 through the large protective plate 2.

In the present disclosure, optionally, the protection board is set as a middle protection board 5. The inner and/or outer surfaces of the middle protection board 5 and the furnace door frame 6 are coated with a thermal insulation material layer 4; in other words, the middle protection board The inner surface of 5 and the inner surface of the furnace door frame 6 are both provided with a heat-insulating material layer 4; or, the outer surface of the middle protective plate 5 and the outer surface of the furnace door frame 6 are both provided with a heat-insulating material layer 4, or, The inner surface of the protective plate 5, the inner surface of the furnace door frame 6, the outer surface of the middle protective plate 5, and the outer surface of the furnace door frame 6 are all provided with a thermal insulation material layer 4.

Please refer to Figure 5, it should be noted that when the protective plate is set as the middle protective plate 5, for ease of description, the outer side of the middle protective plate 5 and the outer side of the furnace door frame 6 together form the first coating surface 7. The middle protective plate The inner side surface of 5 and the inner side surface of the furnace door frame 6 together constitute the second coating surface 8. When the protection board is set as the middle protection board 5, at least one of the first coating surface 7 and the second coating surface 8 is provided with a thermal insulation material layer.

Optionally, the middle protection plate 4 resists the outer side 111 of the installation wall 11, the furnace door frame 6 and the middle protection plate 4 are fixedly connected by bolts, the furnace door frame 6 resists the outer side 111 of the installation wall 11, and the furnace column 3 and the middle protection The board 4 is held against the side facing away from the mounting wall 11. The external force exerted on the furnace column 3 is transmitted to the furnace head masonry 1 through the middle protective plate 5, and at the same time, the middle protective plate 5 transmits the force to the furnace door frame 6 so that the furnace door frame 6 resists the furnace head masonry 1 on.

Referring to FIG. 8, in the present disclosure, optionally, at least two of the inner surface of the furnace head masonry 1, the outer surface of the furnace head masonry 1, the inner surface of the large protective plate 2, and the outer surface of the large protective plate The above is provided with a thermal insulation material layer 4. For example, the heat-insulating material layer 4 can be provided on the inner surface of the burner block 1 and the inner surface of the large protective board 2 at the same time; or, on the outer surface of the burner block 1 and the inner surface of the large protective board 2 at the same time The heat-insulating material layer 4 is provided on the surface; or, the heat-insulating material layer 4 is provided on the outer surface of the furnace head masonry 1 and the outer surface of the large protective board 2 at the same time; or, at the same time in the furnace head masonry 1 The heat-insulating material layer 4 is provided on the surface, the outer surface of the burner block 1 and the inner surface of the large protective board 2, which are not listed in this disclosure.

Referring to Figure 9, in the present disclosure, optionally, at least two of the inner surface of the furnace head masonry 1, the outer surface of the furnace head masonry 1, the first coating surface 7 and the second coating surface 8 are provided with Thermal insulation material layer. For example, the thermal insulation material layer 4 can be provided on the inner surface of the furnace head masonry 1 and the first coating surface 7 at the same time; or, the inner surface of the furnace head masonry 1, the first coating surface 7 and the second coating surface 4 can be provided at the same time. The coating surface 8 is provided with a thermal insulation material layer 4, which will not be listed in this disclosure.

In the present disclosure, optionally, the thickness of the thermal insulation material layer 4 is 1 mm-40 mm, for example, the thickness of the thermal insulation material layer 4 is 1 mm, 20 mm, or 40 mm, etc., which are not listed in this disclosure.

Optionally, the thermal insulation material layer 4 coated on the inner surface of the furnace head masonry 1 should not be too thick. Optionally, the thermal insulation material layer 4 coated on the inner surface of the furnace head masonry 1 has a thickness of 1 mm -20mm, for example, the thickness of the thermal insulation material layer 4 coated on the inner surface of the furnace head block 1 is 1mm, 10mm or 20mm, which will not be listed in this disclosure. The thickness of the thermal insulation material layer 4 coated on the inner surface of the furnace head masonry 1 is set between 1mm-20mm, that is, the thickness of the thermal insulation material layer coated on the inner surface of the furnace head masonry 1 is different More than 20mm, to ensure that the temperature of the silica brick of the furnace head masonry 1 is kept above the crystal conversion point of the silica brick, so as to avoid the damage of the silica brick.

In the present disclosure, optionally, the furnace protection iron 10 includes a protective plate, a furnace door frame 6 and a furnace column 3. The main function of the furnace protection iron 10 is to evenly and reasonably distribute the protective pressure on the furnace head masonry 1. At the same time, the seal between the furnace head masonry 1, the protective plate, the furnace door frame 6 and the furnace door knife edge is ensured.

In the present disclosure, optionally, the material of the thermal insulation material layer 4 can be a commercially available thermal insulation coating, or a coating with thermal insulation performance described in the published literature. For example, the thermal insulation material layer 4 adopts a composite of inorganic film-forming materials and organic thermosetting resins as the main film-forming material, and is made of heat-reflective materials; or, the thermal insulation material layer 4 is made of nano ceramic hollow microspheres, Silica-aluminum fiber and heat-reflective materials are the main raw materials, and high-temperature resistant inorganic silicate solution and water-based phenolic resin are used as the film-forming material; or, the material for the thermal insulation material layer 4 includes 400-500 parts by weight of silicone resin , 50-100 parts by weight of sea boulder, 100-200 parts by weight of perlite, 80-150 parts by weight of diatomaceous earth, 30-60 parts by weight of alumina hollow spheres, 20-50 parts by weight Asbestos, 100 to 150 parts by weight of solvent and 5 to 15 parts by weight of dispersant; or, the mass composition of the material for the thermal insulation material layer 4 is 25%-30% of silicone water-based resin, water-based epoxy Resin 10%-15%, water-based polyurethane resin 5%-10%, vermiculite powder 10%-15%, perlite powder 20%-25%, diatomaceous earth 10%-15%, defoamer 1%-3% , Dispersant 2% to 3% and preservative 3% to 5%. In this disclosure, the materials of the thermal insulation material layer 4 are not listed one by one, and the performance requirements are that they can be used for a long time at high temperature, have strong adhesion, and have a good thermal insulation effect.

In the present disclosure, the furnace head insulation structure is applied to a newly built top-loading or tamping coke oven. As shown in Fig. 1, the protective plate of the furnace protection iron 10 of the coke oven is set as the large protective plate 2. After the coke oven is built Install the furnace protection iron 10, that is, install the large protective plate 2, the furnace door frame 6 and the furnace column 3 after the coke oven is built.

Before installing the furnace protection iron 10, the thermal insulation material layer 4 is coated on the inner wall of the large protective plate 2 with a coating thickness of 8 mm. Then, the installation of the furnace protection iron 10 and the subsequent coke oven drying and grouting operations are carried out.

Compared with the conventional furnace head structure, the advantages of the furnace head masonry 1 using the furnace head thermal insulation structure of the present disclosure include, for example, the heat dissipation of the furnace head masonry 1 is reduced by more than 40%, which effectively reduces the furnace protection iron 10 The working temperature is conducive to extending its service life and optimizing the operating environment for workers.

In the present disclosure, the furnace head insulation structure is applied to a newly built top-loading or tamping coke oven. As shown in FIG. 2, the protective plate of the furnace protection iron 10 of the coke oven is set as the middle protective plate 5. After the coke oven is built Install the furnace protection iron 10, that is, install the middle protection plate 5, furnace door frame 6 and furnace column 3 after the coke oven is built.

Before installing the furnace protection iron 10, clean the outer surface of the middle protection plate 5 and the outer surface of the furnace door frame 6, and coat the outer surfaces of both with a pre-treatment liquid that is used in conjunction with the pre-coated thermal insulation paint. Then, the thermal insulation material layer 4 is coated with a coating thickness of 5 mm to increase the adhesion of the coated thermal insulation material layer 4. Then, the installation of the furnace protection iron 10 and the subsequent operations of the coke oven oven and so on are performed.

Compared with the conventional furnace head structure, the advantages of the furnace head masonry 1 using the furnace head insulation structure of the present disclosure include, for example, the heat dissipation of the furnace head masonry 1 is reduced by more than 30%, which is beneficial to increase the temperature of the furnace head and the channel. Optimize the operating environment for workers.

In the present disclosure, the furnace head insulation structure is applied to a top-loading or tamping coke oven that has been put into production. The protective plate of the furnace guard iron 10 of the coke oven put into production is set to the middle protective plate 5. After the coke oven is put into production, the temperature of the furnace head flue is low, and green coke appears in the furnace head of the coking chamber. The structure of the furnace guard iron 10 needs to be adjusted Make improvements.

In the present disclosure, after cleaning the outer side of the middle protection plate 5 and the furnace door frame 6, a layer of pretreatment liquid used in conjunction with the pre-coated thermal insulation coating is applied, and then the thermal insulation material layer 4 is coated with a coating thickness It is 5mm.

This method does not affect the normal production of the coke oven. After the improved coke oven is put into use again, the advantages of the furnace head masonry 1 include, for example, the heat dissipation of the furnace head masonry 1 is reduced compared to before the furnace head structure is improved. By more than 30%, the temperature of the burner flame channel is increased, the production of coke in the burner of the carbonization chamber is reduced, the operating environment of workers is optimized, and the production is increased and the consumption is reduced.

In the present disclosure, the furnace head heat preservation structure is applied to the top loading or tamping coke oven. As shown in FIG. 3, the inner surface of the furnace head masonry 1 of the coke oven combustion chamber is coated with a heat insulation material layer 4. The manufacturing process is: clean the inner surface of the furnace head masonry 1 on the side of the combustion chamber machine side and the coke side fire path close to the furnace head before building the top bricks of the combustion chamber vertical fire path, and then pre-install the furnace head The inner surface of the masonry 1 is coated with a layer of pre-treatment liquid that is used in conjunction with the thermal insulation material layer 4, and finally a layer of thermal insulation material layer 4 with a thickness of 4mm is coated, and then the coke oven masonry is continued and installed Furnace protection iron parts 10 such as large protective plate 2 and furnace column 3.

Compared with the conventional furnace head structure, the advantages of the furnace head masonry 1 using the furnace head insulation structure of this embodiment include, for example, the temperature of the inner wall of the furnace head masonry 1 is lowered by more than 400°C.

In this embodiment, the furnace head heat preservation structure is applied to the top loading or tamping coke oven. As shown in FIG. 4, the outer surface of the furnace head masonry 1 of the coke oven combustion chamber is coated with a heat insulation material layer 4. The manufacturing process is: before installing the iron parts 10 of the coke oven, clean the outer surface of the coke-side furnace head masonry 1 of the combustion chamber and the parts where the iron parts 10 are in contact, and then coat the cleaned position A thermal insulation material layer 4 with a thickness of 6mm. Afterwards, the middle protection board 5, the furnace door frame 6 and the furnace column 3 are installed.

Compared with the conventional furnace head structure, the advantages of the furnace head masonry 1 using the furnace head insulation structure of this embodiment include, for example, the heat dissipation of the furnace head masonry 1 is reduced by more than 30%.

The present disclosure also provides a coke oven combustion chamber, including the above-mentioned coke oven combustion chamber furnace head insulation structure, which can reduce the heat dissipation of the side fire channel, increase the temperature of the side fire channel and prolong the service life of the iron parts of the furnace , To achieve the purpose of saving energy and reducing consumption and improving energy utilization.

The present disclosure also provides a coke oven, including the above-mentioned coke oven combustion chamber furnace head insulation structure or coke oven combustion chamber, which can reduce the heat dissipation of the side fire channel, increase the temperature of the side fire channel, and extend the iron parts of the furnace The service life of the battery can achieve the purpose of saving energy and reducing consumption and improving energy utilization.

The above are only preferred specific implementations of the present disclosure, but the protection scope of the present disclosure is not limited to this. Anyone familiar with the technical field within the technical scope disclosed in the present disclosure, according to the technical solutions of the present disclosure Equivalent replacements or changes to its inventive concept should all fall within the protection scope of this disclosure.

Industrial applicability:

In summary, the present disclosure provides a coke oven combustion chamber furnace head insulation structure, coke oven combustion chamber and coke oven, which can reduce the heat dissipation of the furnace head, increase the temperature of the side flame, reduce the temperature of the iron parts of the furnace, and save energy. Energy consumption, good heat preservation effect and long service life.

Claims

A heat preservation structure for the furnace head of a coke oven combustion chamber. The furnace head masonry of the coke oven combustion chamber is provided with furnace-protecting iron parts. The furnace-protecting iron parts include a protective plate, a furnace door frame and a furnace column; The body or the iron part of the furnace is coated with a layer of thermal insulation material.
The heat insulation structure of the furnace head of the coke oven combustion chamber according to claim 1, wherein the inner surface of the furnace head masonry and/or the outer surface of the furnace head masonry are coated with the heat insulation Insulation material layer.
The thermal insulation structure for the furnace head of a coke oven combustion chamber according to claim 1, wherein the protective plate is set as a large protective plate, and the inner surface of the large protective plate and/or the outer surface of the large protective plate The surface is coated with the thermal insulation material layer.
The heat preservation structure for the furnace head of a coke oven combustion chamber according to claim 1, wherein the protective plate is set as a middle protective plate, and the inner surface of the middle protective plate and the inner surface of the furnace door frame and/ Or the outer surface of the middle protection board and the outer surface of the furnace door frame are coated with the thermal insulation material layer.
The thermal insulation structure of the furnace head of the coke oven combustion chamber according to any one of claims 1-4, wherein the coating thickness of the thermal insulation material layer is 1 mm to 40 mm.
A heat preservation structure for the furnace head of a coke oven combustion chamber, characterized in that the furnace head masonry of the coke oven combustion chamber is externally protected by iron parts for furnace protection, and the furnace head masonry and/or the furnace protection The iron piece is coated with a layer of thermal insulation material.
The heat preservation structure for the furnace head of the coke oven combustion chamber according to claim 6, wherein the iron parts for protecting the furnace include a protective plate, a furnace door frame, and a furnace column, and the protective plate resists the furnace head masonry. The furnace door frame is connected with the protective plate, and the furnace column is against the protective plate.
The heat preservation structure for the furnace head of the coke oven combustion chamber according to claim 7, wherein the protective plate is configured as a large protective plate, and the large protective plate is configured to resist against the furnace head masonry, and the furnace The door frame is connected with the large protective plate, and the furnace column is against the large protective plate; the inner surface of the furnace head masonry, the outer surface of the furnace head masonry, and the inner surface of the large protective plate And at least two of the outer surfaces of the large protective board are provided with the thermal insulation material layer.
The thermal insulation structure of the furnace head of the coke oven combustion chamber according to claim 7, wherein the protective plate is set as a middle protective plate, the middle protective plate resists the furnace head masonry, and the furnace door frame and The middle protection plate is connected, and the furnace door frame is held against the furnace head masonry; the inner surface of the furnace head masonry, the outer surface of the furnace head masonry, the inner surface of the middle protection plate and At least two of the inner surface of the furnace door frame, the outer surface of the middle protection plate and the outer surface of the furnace door frame are provided with the thermal insulation material layer.
The thermal insulation structure of the furnace head of the coke oven combustion chamber according to claim 7, wherein the protective plate is set as a middle protective plate, the middle protective plate resists the furnace head masonry, and the furnace door frame and The middle protection board is connected, the furnace door frame is held against the furnace head masonry, the outer surface of the middle protection board and the outer surface of the furnace door frame together form a first coating surface, and the middle protection board The inner surface and the inner surface of the furnace door frame together form a second coating surface; the inner surface of the furnace head brickwork, the outer surface of the furnace head brickwork, the first coating surface and the second coating surface At least two of them are provided with the thermal insulation material layer.
The thermal insulation structure of the furnace head of the coke oven combustion chamber according to any one of claims 7-10, wherein the inner surface of the furnace head masonry is coated with the thermal insulation material layer, and the insulation The thickness of the thermal insulation material layer is not more than 20mm.
The thermal insulation structure of the furnace head of the coke oven combustion chamber according to claim 11, wherein the thickness of the thermal insulation material layer coated on the inner surface of the furnace head masonry is 10 mm.
The heat preservation structure for the furnace head of the coke oven combustion chamber according to any one of claims 7-12, wherein the inner surface of the furnace head masonry is set as the surface of the side of the combustion chamber near the side of the furnace head. ; The outer surface of the furnace head masonry is the surface of the furnace head masonry on the side where the furnace head masonry is in contact with the furnace iron.
The heat preservation structure of the furnace head of the coke oven combustion chamber according to any one of claims 7-12, wherein the furnace head masonry comprises a heat conducting wall and a mounting wall connected, and the heat conducting wall is configured to transfer heat To the adjacent carbonization chamber, the thermal insulation material layer is arranged on the installation wall.
The thermal insulation structure of the furnace head of the coke oven combustion chamber according to claim 14, wherein the installation wall comprises an inner side and an outer side opposite to each other in the extending direction of the furnace head masonry, and at least one of the inner side and the outer side One is provided with the thermal insulation material layer.
The furnace head insulation structure of the coke oven combustion chamber according to any one of claims 7-14, wherein the furnace head masonry comprises a plurality of silica bricks, and the plurality of silica bricks are spliced.
A coke oven combustion chamber, characterized in that the coke oven combustion chamber comprises the furnace head heat preservation structure of the coke oven combustion chamber according to any one of claims 1-16.
A coke oven, characterized in that the coke oven comprises the coke oven combustion chamber head heat preservation structure according to any one of claims 1-16 or the coke oven combustion chamber according to claim 17.