Coke oven cover sealing base

By designing an annular sealing groove and a fan-shaped material groove in the coke oven cover base, and filling it with refractory mud and asbestos rope, the problem of poor sealing performance of traditional coke oven cover bases is solved, achieving higher sealing performance, reducing heat loss, reducing leakage of harmful substances, and improving service life and operational safety.

CN223906787UActive Publication Date: 2026-02-13BENXI BEIYING IRON & STEEL GROUP
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Patent Information

Application Number
CN202520463991.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-17
Publication Date
2026-02-13
Estimated Expiration
2035-03-17

AI Technical Summary

Technical Problem

Traditional coke oven cover bases have a simple structure and poor sealing, which leads to increased heat loss, waste of fuel consumption, and leakage of harmful substances, affecting the health of workers.

Method used

A coke oven cover sealing base is designed, which uses a circular sealing groove with evenly distributed fan-shaped material grooves, filled with refractory mud and refractory asbestos rope to enhance the sealing performance, and is fixed in the refractory bricks with round steel to improve the sealing and heat insulation effect.

Benefits of technology

It extends the service life of the furnace cover and base, improves the sealing performance of the coke oven carbonization chamber, reduces heat loss and leakage of harmful substances, reduces fuel consumption, and improves the operating environment.

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Abstract

The utility model provides a coke oven cover sealing base. The coke oven cover sealing base comprises a base, a sealing groove is formed in the outer part of the base; a plurality of fan-shaped material grooves are formed in the sealing groove; four pieces of round steel are symmetrically arranged on the outer ring of the sealing groove; a rib plate is arranged at the middle joint of the two fan-shaped troughs; a filling groove is formed in the rib plate; the top end of the base is in the shape of a furnace cover combination hole; the sealing groove is in a circular ring shape; four pieces of round steel are symmetrically arranged on the outer ring of the sealing groove. According to the utility model, the circular ring-shaped sealing groove is arranged, the eight fan-shaped material grooves with rib plate frames are uniformly distributed in the sealing groove, the refractory mortar is filled in the sealing groove, and meanwhile, the refractory asbestos ropes are filled in the filling grooves arranged on the fan-shaped material grooves, so that the service lives of the furnace cover and the base are prolonged, and the sealing performance of the base is higher; the sealing performance of the coke oven carbonization chamber is higher, the heat loss and fuel consumption of the coke oven are reduced, and the harm to the health of workers caused by the leakage of harmful substances is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to coke oven cover technical field especially relates to a coke oven cover sealing base. BACKGROUND

[0002] At present, the sealing device of coke oven top coal charging port is usually composed of a coke oven cover and a base, the coke oven cover and the base play an important role in the coking process, can reduce the surface temperature of the coke oven cover and the radiation temperature of the coke oven top, reduce the heat loss of the coke oven, not only save fuel consumption, but also improve the operating environment of the oven top.

[0003] The traditional structure of the base is relatively simple, mostly adopting a cast solid annular structure, inner circle and octagonal outside. The front of the base is the combination hole of the cover, and cracks often occur after thermal deformation, with a short service life. The traditional structure of the base is cast from cast iron, and in the installation of the oven body iron piece, the base is usually sealed by combining with the oven body masonry, and then the surrounding gaps are filled with refractory mortar. During the sealing process, the high temperature of the coke oven will cause the deformation of the base filled with mortar, thereby affecting the sealing performance of the cover system. The sealing performance of the carbonization chamber of the oven body is reduced, which affects the coking maturity of the coke and the environmental protection of the oven body. The poor sealing performance increases the heat loss of the coke oven, wastes fuel consumption, increases the leakage of harmful substances such as polycyclic aromatic hydrocarbons (PAH), especially the toxic benzopyrene (BaP), and poses a potential threat to the health of workers. SUMMARY

[0004] The utility model provides a coke oven cover sealing base, solve the existing base structure relative simplicity, seal through refractory mortar, poor sealing performance, cause coke oven heat loss increases, waste fuel consumption, increase harmful substance leakage, the problem of threat to the health of workers.

[0005] To achieve the above purpose, the technical scheme adopted by the utility model is:

[0006] A coke oven cover sealing base, comprising: a base; the outer part of the base is provided with a sealing groove; the inner part of the sealing groove is provided with a plurality of fan-shaped material grooves; the outer circle of the sealing groove is symmetrically provided with four round steels; the middle connection part of the two fan-shaped material grooves is provided with a rib plate; the rib plate is provided with a filling groove; the top end of the base is provided with a cover combination hole.

[0007] Further, the sealing groove is annular; the outer circle of the sealing groove is symmetrically provided with four round steels.

[0008] Further, the inner part of the sealing groove is uniformly provided with eight fan-shaped material grooves; the fan-shaped material groove is a rib plate frame; the connection part between the eight fan-shaped material grooves is provided with a rib plate.

[0009] Further, the filling groove is filled with refractory asbestos rope.

[0010] Further, the sealing groove and the fan-shaped material groove are filled with refractory mortar.

[0011] Further, the filling groove has a width of 15mm and a depth of 10mm.

[0012] Further, the top end of the base is provided with a spherical hole.

[0013] Further, the round steel is fixed in the refractory brick.

[0014] The beneficial effects of the present application are as follows:

[0015] The sealing groove is provided in a ring shape, and the fan-shaped material groove with eight rib plate frames is evenly arranged in the sealing groove, and the fan-shaped material groove is filled with refractory mortar, and the filling groove in the fan-shaped material groove is filled with refractory asbestos rope, so that the service life of the furnace cover and the base is prolonged, the sealing performance of the base is higher, the sealing performance of the coke oven carbonization chamber is higher, the loss of coke oven heat and the consumption of fuel are reduced, harmful substance leakage is avoided, and damage to the health of workers is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present application or the technical solutions of the prior art, the drawings needed in the embodiment or prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can obtain other drawings according to these drawings without creative labor.

[0017] Fig. 1 It is a schematic view of the base cross-section top view structure of the present application.

[0018] Fig. 2 It is a schematic view of the rib plate cross-section of the present application.

[0019] Fig. 3 It is a schematic view of the fan-shaped material groove cross-section of the present application.

[0020] Explanation of reference numerals:

[0021] 1, sealing groove; 2, fan-shaped material groove; 3, round steel; 4, rib plate; 5, filling groove. DETAILED DESCRIPTION

[0022] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0023] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. The description of the at least one exemplary embodiment is merely illustrative, and is by no means intended to limit the present application and its application or use in any way. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application.

[0024] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit exemplary embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "comprising," when used in this specification, specify the presence of stated features, steps, operations, elements, components, and / or groups thereof, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and / or groups thereof.

[0025] The relative arrangement of components and steps, numerical expressions, and numerical values set forth in the embodiments are not intended to limit the scope of the present application unless specifically stated otherwise. It should be clear that the sizes of the various portions shown in the drawings are not drawn to scale for ease of description. Techniques, methods, and devices known to those of ordinary skill in the relevant art can not be discussed in detail, but should be considered part of the authorized description where appropriate. In all examples shown and discussed herein, any specific values should be interpreted as merely exemplary, and not as limiting. Thus, other examples of exemplary embodiments can have different values. It should be noted that like reference numerals and letters refer to like items in the following drawings, and therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.

[0026] In the description of the present application, it should be understood that the orientation words such as "front, rear, upper, lower, left, right", "horizontal, vertical, perpendicular, horizontal" and "top, bottom" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and in the absence of contrary statements, these orientation words do not indicate and imply that the indicated device or element must have a particular orientation or be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the scope of protection of the present application: the orientation words "inner, outer" refer to the inner and outer of the contour of each component itself.

[0027] For ease of description, spatial relative terms such as "above," "over," "on the upper surface of," "above," etc., are used herein to describe the spatial positional relationship of a device or feature as shown in the figures to other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation besides the orientation of the device as described in the figures. For example, if the device in the figures is inverted, a device described as "above" or "above" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein will be interpreted accordingly.

[0028] Furthermore, it should be noted that the use of terms such as "first" and "second" to define components is merely for the purpose of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be construed as limiting the scope of protection of this utility model.

[0029] This utility model provides a technical solution: a coke oven cover sealing base, such as... Figs. 1-3 As shown, it includes: a base; a sealing groove 1 on the outside of the base; multiple fan-shaped material grooves 2 inside the sealing groove 1; four round steel bars 3 symmetrically arranged on the outer ring of the sealing groove 1; a stiffening plate 4 at the middle connection between two fan-shaped material grooves 2; a filling groove 5 on the stiffening plate 4; the filling groove 5 is 15mm wide and 10mm deep.

[0030] The top of the base is designed as a furnace cover connection hole, and the connection hole is spherical. The spherical connection hole increases the connection surface between the coke oven cover and the base, and can achieve a good sealing effect when the furnace cover is not in a flat position.

[0031] The sealing groove 1 is annular; four round steel bars 3 are symmetrically arranged on the outer ring of the sealing groove 1, and eight fan-shaped material grooves 2 are evenly distributed inside the sealing groove 1; the fan-shaped material grooves 2 are stiffening frames; stiffening plates 4 are provided at the connection between the eight fan-shaped material grooves 2; this improves the situation where the gaps caused by the inconsistency between the thermal expansion coefficient of the coke oven cover metal structure and the grouting mud material cause leakage of flue gas and heat.

[0032] The filling groove 5 is filled with refractory asbestos rope. The refractory asbestos rope has better sealing performance after compression, which can offset the leakage of flue gas and heat caused by the heat deformation of the coke oven cover.

[0033] The sealing groove 1 and the fan-shaped material groove 2 are filled with fire-resistant mortar, the filled fire-resistant mortar can play a role of heat insulation and cooling, can reduce the surface temperature of the coke oven cover and the radiation temperature of the coke oven top, reduces the heat loss of the coke oven, saves fuel consumption, and improves the operation environment of the coke oven top.

[0034] Four φ16*150mm round steels 3 are fixed in the refractory bricks along the outer ring, can offset the rotating force generated by the rolling cover machine when rolling the cover, avoids the circumferential movement of the cover base, avoids the gap caused by the circumferential movement of the cover base, and avoids the leakage of smoke and heat.

[0035] When the cover base is used, first, the sealing groove 1 and the fan-shaped material groove 2 are filled with fire-resistant mortar, and then a 20mm fire-resistant asbestos rope is inserted into the filling groove 5 on the rib plate 4.

[0036] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A coke oven cover seal base, characterized in that, Include: Base; The outer part of the base is provided with a sealing groove (1); the inside of the sealing groove (1) is provided with a plurality of fan-shaped material grooves (2); the outer circle of the sealing groove (1) is symmetrically provided with four round steels (3); the middle connecting part of the two fan-shaped material grooves (2) is provided with a rib plate (4); the rib plate (4) is provided with a filling groove (5); the top end of the base is provided with a furnace cover combination hole.

2. A seal base for a coke oven cover as claimed in claim 1, wherein The sealing groove (1) is circular; the outer circle of the sealing groove (1) is symmetrically provided with four round steels (3).

3. A seal base for a coke oven cover as defined in claim 1, wherein The inside of the sealing groove (1) is uniformly distributed and provided with eight fan-shaped material grooves (2); the fan-shaped material groove (2) is a rib plate frame; the connecting part between the eight fan-shaped material grooves (2) is provided with a rib plate (4).

4. A seal base for a coke oven cover as defined in claim 1, wherein The filling groove (5) is filled with refractory asbestos rope.

5. A seal base for a coke oven cover as defined in claim 1, wherein The inside of the sealing groove (1) and the fan-shaped material groove (2) is filled with refractory mortar.

6. A seal base for a coke oven cover as defined in claim 1, wherein The width of the filling groove (5) is 15mm, and the depth is 10mm.

7. A seal base for a coke oven cover as defined in claim 1, wherein The top end combination hole of the base is spherical.

8. A seal base for a coke oven cover as defined in claim 1, wherein The round steel (3) is fixed in the refractory brick.