CN116970410A - Material conveying system at side of continuous coke oven overhaul machine and construction method of conveying system - Google Patents

Abstract

The application provides a material transportation system at a side of a continuous coke oven overhaul and a construction method of the transportation system, wherein the material transportation system comprises a transportation bracket, a plurality of trestle bridges, a stokehole material transportation structure and an in-furnace material transportation structure; the transportation brackets are arranged outside the furnace front platform at intervals; the trestle bridges are respectively arranged on the transportation bracket and the stokehold platform at intervals, and the end parts of the trestle bridges extend into the furnace building greenhouse; the material conveying structure in the furnace is arranged on the inner side of the furnace building greenhouse and above the trestle and is used for conveying the material to the overhanging position of the trestle; the stokehole material transportation structure is arranged on the stokehole platform and is used for transporting the material to the furnace bottom of the stokehole platform. The structure and the method realize the complete reservation of the machine side ground, the coke pusher rail and the foundation and the safe production of adjacent coke ovens, and reduce the manpower loss of transporting materials in a non-driving shed under the condition of overhaul.

Description

Material conveying system at side of continuous coke oven overhaul machine and construction method of conveying system

Technical Field

The application relates to the field of coke ovens, in particular to a material conveying system at a overhaul side of a continuous-row coke oven and a construction method of the conveying system.

Background

After the coke oven is used for a certain period of time, the coke oven has the requirement of overhaul (furnace body replacement), and under the working condition of overhaul of a certain coke oven in the continuous coke oven, a corresponding overhaul material conveying system and a construction method are required to be developed in a targeted manner in order to keep the machine side ground, the coke pushing trolley track and the foundation and not to obstruct the production of adjacent coke ovens.

The coke oven body is conventionally built, a furnace building greenhouse foundation is arranged around the coke oven foundation, in a common working condition, the furnace building greenhouse foundation and the upright post are overlapped with the front ground of the machine side oven, the coke pushing trolley track and the foundation, if the coke oven body is constructed in a conventional building mode, the production of adjacent coke ovens is stopped, the coke ovens which normally run cannot be stopped, and after the production is stopped and the temperature is reduced, the oven body can be damaged irreversibly.

Disclosure of Invention

The application aims to provide a material conveying system at a side of a continuous coke oven overhaul machine and a construction method of the conveying system, so as to solve the problem that the adjacent coke ovens are required to be stopped in the existing coke oven body construction process to cause great damage to the oven body.

The technical scheme of the application is as follows:

a material transportation system at the side of a continuous coke oven overhaul machine comprises a transportation bracket, a plurality of trestle bridges, a stokehold material transportation structure and an in-furnace material transportation structure; the conveying brackets are arranged outside the stokehole platform at intervals; the trestle is respectively arranged on the transportation bracket and the stokehold platform at intervals, and the end part of the trestle extends into the furnace building greenhouse; the material conveying structure in the furnace is arranged on the inner side of the furnace building greenhouse and is positioned above the trestle and used for conveying the material to the overhanging position of the trestle; the stokehole material transportation structure is arranged on the stokehole platform and is used for transporting materials to the furnace bottom of the stokehole platform.

As a technical scheme of the application, the transportation bracket comprises two first upright posts, two second upright posts, lattice posts, a first electric hoist and a first groined bracket; the two first upright posts are arranged on the ground outside the stokehold platform at intervals; the two second upright posts are welded at intervals on one end of the trestle; two ends of the lattice column are welded to the two first upright posts and the two second upright posts respectively; the trestle is arranged on the first groined support; the first electric hoist is arranged on the lattice column.

As a technical scheme of the application, the first upright post and the second upright post both comprise round tubes, and the lattice post comprises I-steel.

As a technical scheme of the application, the trestle comprises a second groined support, a plurality of main beams, a plurality of connecting beams and a plurality of angle steel scissor supports; the second groined support is fixedly arranged on the stokehold platform; the main beams are arranged on the first groined support and the second groined support in parallel at intervals, and angle steel tracks are erected on the main beams and used for transporting materials; the connecting beams are respectively connected between the main beams in parallel at intervals; and the angle steel scissor struts are respectively arranged between the adjacent connecting beams.

As a technical scheme of the application, the main beam comprises I-steel, and the connecting beam comprises I-steel.

As a technical scheme of the application, the stokehole material transportation structure comprises a plurality of third upright posts, a plurality of first cross beams, a plurality of second electric hoists and a plurality of first diagonal braces; the third upright posts are arranged on the stokehole platform at intervals along the length direction of the stokehole platform, and each third upright post corresponds to one furnace post; each first cross beam is horizontally arranged, and two ends of each first cross beam are respectively connected between the corresponding third upright post and the supporting upright post of the furnace building greenhouse; the supporting upright post is arranged on the furnace post; the second electric hoist is arranged on the first beam and is used for conveying materials to the furnace bottom; and two ends of the first diagonal brace are respectively connected between the first cross beam and the supporting upright post.

As a technical scheme of the application, the lower part of the third upright post is fixedly arranged on the stokehole platform through a welded steel plate seat, and is fixedly connected with the stokehole platform by adopting four expansion bolts.

As a technical scheme of the application, the material transportation structure in the furnace comprises a plurality of second cross beams, second diagonal braces and third electric hoists; each second cross beam is horizontally arranged in the furnace building greenhouse, and one end of each second cross beam is connected to the side wall of the supporting upright post; two ends of the second diagonal brace are respectively connected between the corresponding second cross beam and the corresponding support upright post; the third electric hoist is arranged on the second cross beam and used for transporting materials to the overhanging position of the trestle.

As a technical scheme of the application, a steel plate seat is welded at the bottom of the supporting upright post, a seal head connecting plate is welded on the top of the furnace post, and the seal head connecting plate is connected with the steel plate seat through bolts.

The construction method of the transportation system is used for constructing the material transportation system of the continuous coke oven overhaul side, and comprises the following steps:

step one: dismantling a coke oven body, reserving a furnace column, reinforcing the furnace column in the dismantling process of the oven body, and installing a temporary cable rope;

step two: installing a furnace building greenhouse: firstly, installing support columns of the furnace building greenhouse, and then installing splayed beams; installing purlines and laying color steel tiles on the shed roof;

step three: removing the temporary cable rope, and sequentially installing the transportation bracket, the trestle, the stoker material transportation structure and the furnace material transportation structure;

step four: constructing a furnace body in the lower area of the trestle, transporting materials to the overhanging position of the trestle through a third electric hoist on the material transporting structure in the furnace, and then horizontally transporting the materials to the furnace bottom through a second electric hoist on the material transporting structure in front of the furnace;

step five: when the furnace body is constructed to the elevation of the furnace front platform, a scaffold is erected on the furnace front platform, and the scaffold is gradually erected upwards along with the construction of the furnace body;

step six: when the construction is carried out on the furnace body of the trestle region, cutting and dismantling the cantilever part of the trestle; and continuing to construct the furnace body until the furnace body is capped, and gradually erecting the scaffold of the furnace front platform upwards along with the construction of the furnace body.

The application has the beneficial effects that:

according to the material conveying system and the construction method of the conveying system of the continuous coke oven overhaul machine side, the construction mode of a trestle-light greenhouse-longitudinal conveying mechanism is constructed, and the complete reservation of the machine side ground, a coke pushing trolley track and a foundation and the safe production of adjacent coke ovens are realized. Meanwhile, the structure and the method design corresponding transportation modes aiming at different stages of the furnace body, greatly reduce the manpower loss of transporting materials in a non-travelling car shed under the overhaul working condition, and fully reserve the machine side ground, a coke pusher rail and a foundation and safely produce adjacent coke ovens by adopting the cooperation of the cantilever part of the trestle and the electric hoist on the inner side of the furnace column for transporting longitudinal materials in the construction stage of the furnace body above the elevation of the platform in front of the furnace and adopting the cooperation of the outer side of the furnace column and the scaffold on the front of the furnace in the construction stage of the furnace body.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present application and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a material transport system on a side of a continuous oven overhaul provided by an embodiment of the present application;

FIG. 2 is a schematic diagram of a trestle according to an embodiment of the present application;

fig. 3 is an enlarged schematic view of a stokehole material transporting structure and an in-furnace material transporting structure according to an embodiment of the present application.

Icon: 1-a stokehold platform; 2-trestle; 3-building a furnace greenhouse; 4-a first upright; 5-a second upright; 6-lattice columns; 7-a first electric hoist; 8-a first groined support; 9-a second groined support; 10-main beams; 11-connecting beams; 12-angle steel scissors support; 13-a third upright; 14-a first cross beam; 15-a second electric hoist; 16-a first diagonal strut; 17-supporting columns; 18-a furnace column; 19-a second cross beam; 20-a second diagonal brace; 21-third electric hoist.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. The components of the embodiments of the present application generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the application, as presented in the figures, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present application, it should be noted that, the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, or the azimuth or positional relationship in which the inventive product is conventionally put in use, are merely for convenience of describing the present application and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and therefore, should not be construed as limiting the present application.

Furthermore, in the present application, unless expressly stated or limited otherwise, a first feature may include first and second features being in direct contact, either above or below a second feature, or through additional feature contacts therebetween, rather than being in direct contact. Moreover, the first feature being above, over, and on the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being below, beneath, and beneath the second feature includes the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is less level than the second feature.

Furthermore, the terms "horizontal," "vertical," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present application, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.

Examples:

referring to fig. 1, referring to fig. 2 to 3 in combination, the present application provides a material transporting system on a side of a continuous coke oven overhaul, which mainly includes a transporting bracket, a plurality of trestle bridges 2, a material transporting structure in front of the oven and a material transporting structure in the oven; wherein, the transportation brackets are arranged outside the stokehold platform 1 at intervals; the trestle bridges 2 are respectively arranged on the transportation bracket and the stokehold platform 1 at intervals, and the end parts extend into the furnace building greenhouse 3; meanwhile, the material conveying structure in the furnace is arranged on the inner side of the furnace building greenhouse 3 and above the trestle 2 and is used for conveying the material to the overhanging position of the trestle 2; and, a forehearth material transporting structure is installed on the forehearth platform 1 for transporting material to the bottom of the forehearth platform 1.

Further, the transportation bracket comprises two first upright posts 4, two second upright posts 5, a lattice post 6, a first electric hoist 7 and a first groined bracket 8; two first upright posts 4 are arranged on the ground outside the stokehold platform 1 at intervals, and two second upright posts 5 are welded on one end of the trestle 2 at intervals; two ends of the lattice column 6 are welded to the two first upright posts 4 and the two second upright posts 5 respectively; the trestle 2 is arranged on a first groined support 8; the first electric hoist 7 is mounted on the lattice column 6.

It should be noted that, the first upright post 4 and the second upright post 5 may be round tubes, and the lattice post 6 may be i-steel. The lattice part of the transportation support is horizontally connected by I-steel, the integrity of the support body is enhanced by the angle steel scissor support 12 on the first groined support 8, the first upright post 4 on the outer side falls on the ground in front of the furnace, the bottom of the first upright post 4 is welded with a steel plate seat, four expansion bolts are adopted to connect and fix the steel plate seat on the ground in front of the furnace, and the second upright post 5 on the inner side is welded on the trestle 2.

The number of trestle bridges 2 is set according to the scale of the coke oven, and three trestle bridges are generally set; the device mainly comprises a second groined bracket 9, a plurality of main beams 10, a plurality of connecting beams 11 and a plurality of angle steel scissor supports 12; the second groined support 9 is fixedly arranged on the stokehold platform 1; the main beams 10 are arranged on the first groined support 8 and the second groined support 9 at intervals in parallel, and angle steel tracks are erected on the main beams 10 and used for transporting materials; the connecting beams 11 are respectively connected between the main beams 10 in parallel at intervals; a plurality of angle steel scissors braces 12 are respectively installed between the adjacent connection beams 11.

It should be noted that, the main beam 10 may be an i-beam, and the connecting beam 11 may be an i-beam. The girder 10 of the trestle 2 is I-steel, the I-steel is transversely uniformly distributed and welded, the integrity is enhanced by adopting an angle steel scissor stay 12, an angle steel track is erected on the upper part of the trestle 2, and a brick transporting vehicle is used for horizontal transportation of construction materials. The trestle 2 is supported by a second groined support 9 in the area of the stokehold platform 1, is supported by a first groined support 8 outside the furnace, and is reserved with a certain overhanging part in the furnace for conveying furnace body construction materials in the lower area of the trestle 2, and the materials can be conveyed to overhanging parts through a first electric hoist 7 outside the furnace and then conveyed to the furnace bottom horizontally by a second electric hoist 15 inside the furnace.

Moreover, the construction and connection of the stokehole material transportation structure are all bolted connection, and welding is not suitable; the device mainly comprises a plurality of third upright posts 13, a plurality of first cross beams 14, a plurality of second electric hoists 15 and a plurality of first diagonal braces 16; the third upright posts 13 are arranged on the stokehole platform 1 at intervals along the length direction of the stokehole platform 1, and each third upright post 13 corresponds to each stokehole post 18 one by one; each first cross beam 14 is horizontally arranged, and two ends of each first cross beam are respectively connected between the corresponding third upright post 13 and the supporting upright post 17 of the furnace building greenhouse 3; the supporting upright 17 is arranged on the furnace column 18; the second electric hoist 15 is mounted on the first beam 14 and is used for conveying materials to the furnace bottom; the first diagonal braces 16 are connected at both ends between the first cross member 14 and the support posts 17, respectively.

Specifically, the lower part of the third upright 13 is fixedly mounted on the forehearth platform 1 by welding a steel plate seat, and is fixedly connected with the forehearth platform 1 by adopting four expansion bolts. The outer part of the third upright post 13 and the upper part of the first cross beam 14 are fully covered by color steel tiles, and the color steel tiles are used for wind prevention and rain shelter in construction.

Furthermore, the construction and connection of the material transportation structure in the furnace are all bolted connection, and welding is not suitable; the device mainly comprises a plurality of second cross beams 19, second diagonal braces 20 and third electric hoists 21; each second cross beam 19 is horizontally arranged in the furnace building greenhouse 3, and one end of each second cross beam is connected to the side wall of the supporting upright 17; two ends of the second diagonal brace 20 are respectively connected between the corresponding second cross beam 19 and the supporting upright 17; the third electric hoist 21 is mounted on the second cross member 19 for transporting material to the overhanging position of the trestle 2.

Specifically, a steel plate seat is welded at the bottom of the supporting upright 17, a seal head connecting plate is welded on the top of the furnace column 18, and the seal head connecting plate is connected with the steel plate seat through bolts.

In addition, the embodiment also provides a construction method of the conveying system, which is mainly used for the construction of the material conveying system on the overhaul side of the continuous coke oven; the method mainly comprises the following steps:

step one: dismantling a coke oven body, reserving a furnace column 18, reinforcing the furnace column 18 in the dismantling process of the oven body, and installing a temporary cable rope;

step two: installing a furnace building greenhouse 3: firstly, mounting supporting columns 17 of a furnace building greenhouse 3, and then mounting splayed beams; before installing greenhouse purlines, each splayed beam is temporarily fixed by adopting a cable rope, and after integrally installing a greenhouse skeleton structure (upright posts, splayed beams and purlines), a greenhouse roof color steel tile is laid;

step three: removing the furnace column 18 and the temporary cable rope of the greenhouse, and sequentially installing a transportation bracket, a trestle 2, a stokehole material transportation structure and a furnace material transportation structure;

step four: constructing a furnace body in the lower area of the trestle 2, transporting materials to the overhanging position of the trestle 2 through a third electric hoist 21 on a material transporting structure in the furnace, and horizontally transporting the materials to the furnace bottom through a second electric hoist 15 on a material transporting structure in front of the furnace;

step five: when the furnace body is constructed to the elevation of the furnace front platform 1, a scaffold is erected on the furnace front platform 1, and the scaffold is gradually erected upwards along with the construction of the furnace body;

step six: when the construction is carried out on the furnace body in the trestle 2 area, cutting and dismantling overhanging parts of the trestle 2; and continuing to construct the furnace body until the furnace body is capped, and gradually erecting the scaffold of the furnace front platform 1 upwards along with the construction of the furnace body.

In summary, in the material transportation system and the transportation system construction method of the continuous coke oven overhaul machine side, the construction mode of the trestle 2-light greenhouse-longitudinal transportation mechanism is constructed, so that the complete reservation of the machine side ground, the coke pusher rail and the foundation and the safe production of adjacent coke ovens are realized. Meanwhile, the structure and the method design corresponding transportation modes aiming at different stages of the furnace body, greatly reduce the manpower loss of transporting materials in a non-travelling car shed under the overhaul working condition, and fully reserve the machine side ground, a coke pusher track and a foundation and safely produce adjacent coke ovens by adopting the cooperation of the overhanging part of the trestle 2 and the electric hoist at the inner side of the furnace column 18 for transporting longitudinal materials in the furnace body construction stage of the furnace front platform 1 elevation and adopting the cooperation of the outer side of the furnace column 18 and the scaffold body at the front of the furnace in the furnace body construction stage of the furnace front platform 1 elevation.

The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (10)

1. The material conveying system of the continuous coke oven overhaul side is characterized by comprising a conveying bracket, a plurality of trestle bridges, a stokehold material conveying structure and an in-oven material conveying structure; the conveying brackets are arranged outside the stokehole platform at intervals; the trestle is respectively arranged on the transportation bracket and the stokehold platform at intervals, and the end part of the trestle extends into the furnace building greenhouse; the material conveying structure in the furnace is arranged on the inner side of the furnace building greenhouse and is positioned above the trestle and used for conveying the material to the overhanging position of the trestle; the stokehole material transportation structure is arranged on the stokehole platform and is used for transporting materials to the furnace bottom of the stokehole platform.

2. The in-line coke oven overhaul side material transport system of claim 1, wherein the transport rack comprises two first uprights, two second uprights, lattice columns, a first electric block, and a first groined support; the two first upright posts are arranged on the ground outside the stokehold platform at intervals; the two second upright posts are welded at intervals on one end of the trestle; two ends of the lattice column are welded to the two first upright posts and the two second upright posts respectively; the trestle is arranged on the first groined support; the first electric hoist is arranged on the lattice column.

3. The in-line coke oven overhaul side material transport system of claim 2, wherein the first and second uprights each comprise a round tube, and the lattice columns comprise i-steel.

4. The in-line coke oven overhaul side material transport system of claim 2, wherein the trestle comprises a second groined support, a plurality of main beams, a plurality of connecting beams, and a plurality of angle steel scissors struts; the second groined support is fixedly arranged on the stokehold platform; the main beams are arranged on the first groined support and the second groined support in parallel at intervals, and angle steel tracks are erected on the main beams and used for transporting materials; the connecting beams are respectively connected between the main beams in parallel at intervals; and the angle steel scissor struts are respectively arranged between the adjacent connecting beams.

5. The in-line coke oven overhaul side material transport system of claim 4, wherein the main beams comprise i-beams and the connecting beams comprise i-beams.

6. The in-line coke oven overhaul side material transport system of claim 1, wherein the stokehold material transport structure comprises a plurality of third uprights, a plurality of first cross beams, a plurality of second electric hoists, and a plurality of first diagonal braces; the third upright posts are arranged on the stokehole platform at intervals along the length direction of the stokehole platform, and each third upright post corresponds to one furnace post; each first cross beam is horizontally arranged, and two ends of each first cross beam are respectively connected between the corresponding third upright post and the supporting upright post of the furnace building greenhouse; the supporting upright post is arranged on the furnace post; the second electric hoist is arranged on the first beam and is used for conveying materials to the furnace bottom; and two ends of the first diagonal brace are respectively connected between the first cross beam and the supporting upright post.

7. The in-line coke oven overhaul side material transport system of claim 6, wherein the lower portion of the third upright is fixedly mounted on the forehearth platform by welding a steel plate seat, and is fixedly connected with the forehearth platform by four expansion bolts.

8. The in-line coke oven overhaul side material transport system of claim 6, wherein the in-oven material transport structure comprises a plurality of second cross beams, second diagonal braces, and third electric hoists; each second cross beam is horizontally arranged in the furnace building greenhouse, and one end of each second cross beam is connected to the side wall of the supporting upright post; two ends of the second diagonal brace are respectively connected between the corresponding second cross beam and the corresponding support upright post; the third electric hoist is arranged on the second cross beam and used for transporting materials to the overhanging position of the trestle.

9. The material transportation system of the side of the in-line coke oven overhaul machine according to claim 6, wherein a steel plate seat is welded at the bottom of the supporting upright post, a seal head connecting plate is welded on the top of the furnace post, and the seal head connecting plate is connected with the steel plate seat through bolts.

10. A method for constructing a material transport system on the side of an in-line coke oven overhaul as recited in any one of claims 1 to 9, comprising the steps of:

step one: dismantling a coke oven body, reserving a furnace column, reinforcing the furnace column in the dismantling process of the oven body, and installing a temporary cable rope;

step two: installing a furnace building greenhouse: firstly, installing support columns of the furnace building greenhouse, and then installing splayed beams; installing purlines and laying color steel tiles on the shed roof;

step three: removing the temporary cable rope, and sequentially installing the transportation bracket, the trestle, the stoker material transportation structure and the furnace material transportation structure;

step four: constructing a furnace body in the lower area of the trestle, transporting materials to the overhanging position of the trestle through a third electric hoist on the material transporting structure in the furnace, and then horizontally transporting the materials to the furnace bottom through a second electric hoist on the material transporting structure in front of the furnace;

step five: when the furnace body is constructed to the elevation of the furnace front platform, a scaffold is erected on the furnace front platform, and the scaffold is gradually erected upwards along with the construction of the furnace body;

step six: when the construction is carried out on the furnace body of the trestle region, cutting and dismantling the cantilever part of the trestle; and continuing to construct the furnace body until the furnace body is capped, and gradually erecting the scaffold of the furnace front platform upwards along with the construction of the furnace body.