CN113528159A - Coke oven masonry measurement control method - Google Patents
Coke oven masonry measurement control method Download PDFInfo
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- CN113528159A CN113528159A CN202110703249.9A CN202110703249A CN113528159A CN 113528159 A CN113528159 A CN 113528159A CN 202110703249 A CN202110703249 A CN 202110703249A CN 113528159 A CN113528159 A CN 113528159A
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- 239000000571 coke Substances 0.000 title claims abstract description 116
- 238000005259 measurement Methods 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 36
- 239000011449 brick Substances 0.000 claims abstract description 30
- 238000003763 carbonization Methods 0.000 claims abstract description 22
- 238000013461 design Methods 0.000 claims abstract description 17
- 238000003079 width control Methods 0.000 claims abstract description 17
- 238000012937 correction Methods 0.000 claims abstract description 6
- 239000002023 wood Substances 0.000 claims description 6
- 238000004939 coking Methods 0.000 claims 1
- 238000002485 combustion reaction Methods 0.000 description 12
- 238000010276 construction Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 239000003245 coal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000002789 length control Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B29/00—Other details of coke ovens
- C10B29/02—Brickwork, e.g. casings, linings, walls
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B41/00—Safety devices, e.g. signalling or controlling devices for use in the discharge of coke
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- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The invention discloses a coke oven masonry measurement control method, which comprises the following steps: s1, installing upright line rods on the machine side and the coke side edge beam of the foundation platform; s2, putting the longitudinal central line of the coke oven, the front surface line for controlling the length of the oven wall and the elevation control lines of all parts of the oven wall on the inner side surfaces of the resisting walls at the two ends of the coke oven; s3, putting the transverse center line of the coke oven and the center line of the end carbonization chamber near the two end resisting walls at the outer sides of the side edge beam and the coke side edge beam of the coke oven; s4, calculating the average distance between the centers of the furnace walls through temperature correction according to the distance between the transverse center line of the coke oven and the center line of the end carbonization chamber and the corresponding number of the furnace walls, determining the actual center line of the furnace walls, and putting the actual center line of the furnace walls on the inner side of the vertical line rod; s5, throwing the elevation control line to the inner side of each upright line pole, and engraving brick layer lines; s6, respectively engraving a design central line and a furnace wall width control line of two adjacent furnace walls on the stay mark plate; s7, building; the invention provides a coke oven masonry measurement control method with accurate measurement and high efficiency.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a coke oven masonry measurement control method.
Background
Coke ovens, also known as coke ovens, are large industrial furnaces built of numerous refractory bricks and are the primary thermal equipment used to carbonize coal to produce coke, which is refined from coal. The furnace body formed by a plurality of furnace walls formed by refractory bricks mainly comprises five parts, namely a foundation platform, a regenerator, a chute, a combustion chamber and a furnace top from bottom to top, and the brickwork height, the furnace wall structure form and the width formed by the furnace walls at different parts are also different. In order to ensure that the geometric dimension of each furnace wall meets the requirement, the whole furnace body is controlled according to the longitudinal and transverse central lines of the coke oven, the central line of the carbonization chamber at the furnace end and the elevation control lines of all parts.
The traditional masonry measurement control method comprises the following steps: the control center line of each furnace wall is put on concrete boundary beams on two sides of the machine coke, and when each furnace wall is built, the center line on the boundary beams is transferred upwards in a manual wire hanging and dropping mode, so that the human error is greatly increased. Meanwhile, 4 layers of furnace wall end parts are built in each furnace wall firstly, and then the middle part of the furnace wall is built, so that the verticality and the flatness of the furnace wall end parts and the distance between adjacent walls cannot be ensured generally; the front line at the end part of the furnace wall can be measured and controlled after 4 layers of the furnace walls are built, so that the control frequency of the inspection process is greatly reduced. The measurement control method for building is unscientific, has low efficiency, large human error and low detection frequency, and greatly reduces the building precision, thereby influencing the service life of the coke oven.
In conclusion, the prior art also lacks a coke oven masonry measurement control method with accurate measurement and high efficiency.
Disclosure of Invention
The invention provides a coke oven masonry measurement control method with accurate measurement and high efficiency.
To achieve the purpose, the invention provides the following technical scheme:
a coke oven masonry measurement control method comprises the following steps:
s1, installing upright line rods at the corresponding positions of the end part of each furnace wall on the machine side and coke side edge beam of the foundation platform;
s2, putting the longitudinal central line of the coke oven, the front surface line for controlling the length of the oven wall and the elevation control lines of all parts of the oven wall on the inner side surfaces of the resisting walls at the two ends of the coke oven;
s3, putting the transverse center line of the coke oven and the center line of the end carbonization chamber near the two end resisting walls at the outer sides of the side edge beam and the coke side edge beam of the coke oven;
s4, calculating the average distance between the centers of the furnace walls through temperature correction according to the distance between the transverse center line of the coke oven and the center line of the end carbonization chamber and the corresponding number of the furnace walls, determining the actual center line of the furnace walls, and putting the actual center line of the furnace walls on the inner side of the vertical line rod;
s5, throwing the elevation control lines of the corresponding parts on the resisting wall to the inner sides of the upright line poles by adopting a level gauge, and drawing brick layer lines downwards by taking the elevation control lines as a reference;
s6, respectively engraving design central lines and width control lines of two adjacent furnace walls on two adjacent large surfaces of the stay wire target according to the design interval of the furnace walls;
and S7, building each part according to various marked lines.
Preferably, in step S1, the distance between the upright posts is 1100-1700 mm; further preferably, the spacing between the mounting uprights is 1143mm, 1300mm, 1350mm, 1400mm, 1500mm or 1650 mm.
Preferably, in step S2, the range of the distance a between the front line and the coke oven longitudinal center line is calculated by the formula:
A＝L/2-(600～700)mm；
wherein L is the length of the furnace wall.
Preferably, the method for measuring the transverse central line of the coke oven and the central line of the 2 end carbonization chambers in the step S3 is as follows: and (4) putting the theodolite on the outer side of the concrete boundary beam of the foundation platform for measurement.
Preferably, the upright pole comprises wood.
Preferably, step S7 includes: the adjacent two furnace walls are built by using a pair of stay wire mark plates respectively positioned at the machine side and the coke side, the inner sides of the upright line rods corresponding to the two end parts of the furnace walls are fixed before building, and each stay wire mark plate is fixed on the adjacent upright line rods simultaneously.
Preferably, step S7 includes: the top surface of the stay wire target plate is flush with the brick layer line of the brick layer to be built, the actual central line of the furnace wall on the upright line rod is aligned and checked with the designed central line of the furnace wall on the target plate, and the allowable deviation of the two central lines is controlled within the range of +/-0.5 mm; then, the stay wire is built through the furnace wall width control lines on the stay wire target plates at the two ends of the furnace wall.
Preferably, step S7 includes: after the same layer of each furnace wall is built, front surface lines on the resisting walls at two ends are thrown to the top surface of each furnace wall by a theodolite, the control distance of the end part of the furnace wall is determined according to the distance A between the front surface line and the longitudinal center line of the coke oven and the length L of the furnace wall at the position, and the control distance of the end part of each furnace wall is measured by a manual tape measure to ensure that the deviation is within the range of +/-3 mm.
Preferably, the coke oven masonry measurement control method comprises the following steps:
step one, installing upright line rods with the spacing of B2 at the corresponding positions of the end parts of each furnace wall on the side of the foundation platform and the coke side concrete side beams, wherein the upright line rods are manufactured by dry wood processing. B2 is usually 1143mm, 1300mm, 1350mm, 1400mm, 1500mm and 1650mm according to different furnace types;
putting a longitudinal central line of the coke oven, a front surface line for controlling the length of the oven wall and elevation control lines of all parts of the oven wall on the inner side surfaces of the resisting walls at two ends of the coke oven, wherein the distance between the front surface line and the longitudinal central line of the coke oven is A; the furnace wall lengths of all parts are different, and A is usually the difference between half of the furnace wall length and 600-700 mm;
and step three, in order to facilitate measurement, a transverse center line of the coke oven and center lines of two end carbonization chambers are thrown to the outer side of a concrete boundary beam of the foundation platform by using a theodolite, and the three lines are the reference of the construction of the coke oven in civil engineering, refractory building and equipment installation procedures.
Step four, according to the transverse center line of the coke oven, the center line of the end carbonization chamber and the corresponding number of the oven walls, carrying out temperature correction, evenly distributing the actual center distance B1 of the oven walls, and dotting and connecting lines up and down on the inner side of the vertical line rod to be used as the actual center line of the oven walls;
fifthly, throwing the elevation control lines of the corresponding parts on the resisting wall to the inner sides of the upright line poles by adopting a level gauge, and drawing brick layer lines (controlling the elevation control lines of each layer of bricks) downwards by taking the elevation control lines as a reference;
sixthly, manufacturing a dry wooden stay wire mark plate with the length of about 4m, and engraving design center lines of adjacent furnace walls with the space of B2 and furnace wall width control lines;
and seventhly, building two adjacent furnace walls by using a pair of stay wire mark plates respectively positioned on the machine side and the coke side, fixing the inner sides of the vertical line rods corresponding to the two end parts of the furnace walls before building, and simultaneously fixing each stay wire mark plate on the adjacent vertical line rods.
Step eight, the top surface of the stay wire mark plate is flush with a brick layer line of a brick layer to be built, the actual central line of the furnace wall on the vertical line rod is aligned and checked with the designed central line of the furnace wall on the mark plate, and the allowable deviation of the two central lines is controlled within the range of +/-0.5 mm; then, the stay wire is built through the furnace wall width control lines on the stay wire target plates at the two ends of the furnace wall.
And ninthly, after the same layer of each furnace wall is built, putting front surface lines on the resisting walls at the two ends on the top surface of each furnace wall by using a theodolite, and determining a furnace wall end part control distance C according to the distance A between the front surface lines and the longitudinal center line of the coke oven and the length of the furnace wall at the part, wherein the distance C is usually 600-700 mm. The control distance C of the end part of each furnace wall is measured by a manual measuring tape, and the allowable deviation is guaranteed to be within +/-3 mm.
Compared with the prior art, the invention has the beneficial effects and remarkable progresses that:
1. the method comprises the steps that the vertical line rods are arranged on the edge beams of the foundation platform on two sides of each furnace wall, the actual distance of each wall is calculated according to the longitudinal center line of the coke oven and the center line of the end carbonization chamber, and the vertical line rods are carved on the vertical line rods to serve as the actual center line of the furnace wall, so that errors are effectively resolved, and the center precision of each furnace wall is improved;
2. adopting a front surface line put on the resistant wall, leading each layer of masonry to the top surface of each furnace wall, reserving a certain control distance at the end part of the furnace wall, and manually measuring and detecting to achieve the purpose of quickly controlling the length of the furnace wall;
3. the width and elevation of the furnace wall are effectively controlled through a furnace wall width control line on the stay wire mark plate and a brick layer line of the vertical line rod;
4. before building, the design central line of the furnace wall on the stay wire marking plate is compared and checked with the actual central line of the furnace wall on the upright line rod, so that errors are effectively digested, and the automatic deviation rectifying function is realized.
5. Effectively improving the masonry quality and the working efficiency.
Drawings
To more clearly illustrate the technical solution of the present invention, the drawings required for the embodiment of the present invention will be briefly described below.
It should be apparent that the drawings in the following description are only drawings of some embodiments of the invention, and that other drawings can be obtained by those skilled in the art without inventive exercise, and the other drawings also belong to the drawings required by the embodiments of the invention.
FIG. 1 is a top view of the construction effect of a coke oven masonry measurement control method according to an embodiment of the present invention;
FIG. 2 is a side view of the construction effect of the coke oven masonry measurement control method according to the embodiment of the invention;
FIG. 3 is a schematic view of a partial structure of the construction effect of the coke oven masonry measurement control method according to the embodiment of the present invention;
FIG. 4 is a schematic view of a partial structure of the construction effect of the coke oven masonry measurement control method according to the embodiment of the present invention;
in the figure, 1, a foundation platform, 2, a resisting wall, 3, a furnace wall, 4, an edge beam, 5, an upright line rod, 6, a longitudinal central line of a coke oven, 7, a front line, 8, a total elevation control line, 9, a transverse central line of the coke oven, 10, a central line of an end carbonization chamber, 11, an actual central line of the furnace wall, 12, a brick layer line, 13, a stay wire mark plate, 14, a width control line, 15 and a design central line of the furnace wall.
Detailed Description
In order to make the objects, technical solutions, advantageous effects and significant progress of the embodiments of the present invention clearer and more complete, the technical solutions in the embodiments of the present invention will be described below with reference to the drawings provided in the embodiments of the present invention.
It is to be understood that all of the described embodiments are merely some, and not all, embodiments of the invention; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It is to be understood that:
in the present invention, unless otherwise specifically stated or limited, the terms "mounted," "connected," "fixed," and the like are to be understood broadly, and for example, may be fixedly connected, detachably connected, movably connected, or integrated; either directly or indirectly through intervening media, intangible signal, or even optical, communication between two elements, or an interaction between two elements, unless expressly limited otherwise.
The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
It should be further noted that the following embodiments may be combined with each other, and the same or similar concepts or processes may not be repeated in some embodiments.
The technical means of the present invention will be described in detail below with specific examples.
Example 1
A coke oven masonry measurement control method comprises the following steps:
s1, installing upright line rods at the corresponding positions of the end part of each furnace wall on the machine side and coke side edge beam of the foundation platform;
s2, putting the longitudinal central line of the coke oven, the front surface line for controlling the length of the oven wall and the elevation control lines of all parts of the oven wall on the inner side surfaces of the resisting walls at the two ends of the coke oven;
s3, putting the transverse center line of the coke oven and the center line of the end carbonization chamber near the two end resisting walls at the outer sides of the side edge beam and the coke side edge beam of the coke oven;
s4, calculating the average distance between the centers of the furnace walls through temperature correction according to the distance between the transverse center line of the coke oven and the center line of the end carbonization chamber and the corresponding number of the furnace walls, determining the actual center line of the furnace walls, and putting the actual center line of the furnace walls on the inner side of the vertical line rod;
s5, throwing the elevation control lines of the corresponding parts on the resisting wall to the inner sides of the upright line poles by adopting a level gauge, and drawing brick layer lines downwards by taking the elevation control lines as a reference;
s6, respectively engraving design central lines and width control lines of two adjacent furnace walls on two adjacent large surfaces of the stay wire target according to the design interval of the furnace walls;
and S7, building each part according to various marked lines.
In the present embodiment, in step S1, the distance between the upright posts is 1100-1700 mm.
In the present embodiment, in step S2, the range of the distance a between the front surface line and the coke oven longitudinal center line is calculated by the formula:
A＝L/2-(600～700)mm；
wherein L is the length of the furnace wall.
In this embodiment, the method for measuring the transverse center line of the coke oven and the center lines of the 2 end carbonization chambers in step S3 is as follows: and (4) putting the theodolite on the outer side of the concrete boundary beam of the foundation platform for measurement.
In this embodiment, the upright pole comprises wood.
In the present embodiment, step S7 includes: 1. the adjacent two furnace walls are built by using a pair of stay wire mark plates respectively positioned at the machine side and the coke side, the inner sides of the upright line rods corresponding to the two end parts of the furnace walls are fixed before building, and each stay wire mark plate is fixed on the adjacent upright line rods simultaneously. 2. The top surface of the stay wire target plate is flush with the brick layer line of the brick layer to be built, the actual central line of the furnace wall on the upright line rod is aligned and checked with the designed central line of the furnace wall on the target plate, and the allowable deviation of the two central lines is controlled within the range of +/-0.5 mm; then, the stay wire is built through the furnace wall width control lines on the stay wire target plates at the two ends of the furnace wall. 3. After the same layer of each furnace wall is built, front surface lines on the resisting walls at two ends are thrown to the top surface of each furnace wall by a theodolite, the control distance of the end part of the furnace wall is determined according to the distance A between the front surface line and the longitudinal center line of the coke oven and the length L of the furnace wall at the position, and the control distance of the end part of each furnace wall is measured by a manual tape measure to ensure that the deviation is within the range of +/-3 mm.
As shown in figures 1-4, a construction effect diagram of a coke oven masonry measurement control method is shown, and the construction effect diagram comprises a foundation platform 1, a resistance wall 2, an oven wall 3, a boundary beam 4, an upright line rod 5, a coke oven longitudinal center line 6, a front surface line 7, a total elevation control line 8, a coke oven transverse center line 9, an end carbonization chamber center line 10, an oven wall actual center line 11, a brick layer line 12, a stay wire mark plate 13, a width control line 14 and an oven wall design center line 15. The plurality of furnace walls 3 form a furnace body which is positioned in a space formed between the coke oven foundation platform 1 and the resisting walls 2 at two ends, the height direction is divided into five parts, each furnace wall 3 is parallel to the transverse central line 9 of the coke oven, and the distance is B2. Upright line rods 5 with the distance of B2 are arranged at the corresponding positions of the end part of each furnace wall 3 on the machine side and coke side boundary beams 4 of the foundation platform 1; putting a coke oven longitudinal center line 6, a front surface line 7 for controlling the length of the oven wall 3 and elevation control lines 8 of each part of the oven wall 3 on the inner side surfaces of the two end resisting walls 2, wherein the distance between the front surface line 7 and the coke oven longitudinal center line 6 is A; and simultaneously, a coke oven transverse center line 9 and an end carbonization chamber center line 10 near two end resisting walls 2 are put in the outer sides of the machine side and coke side edge beams 4. According to the distance between the transverse central line 9 of the coke oven and the central line 10 of the end carbonization chamber and the number of the corresponding oven walls 3, the average central distance B1 of each oven wall 3 is calculated through temperature correction, the actual central line 11 of the oven walls is determined, and the oven walls are thrown on the inner side of the upright line rod 5; meanwhile, the total elevation control line 8 of each part of the furnace wall 3 and each brick layer line 12 are carved on the inner side of the upright line rod 5; according to the design distance B2 of the furnace wall 3, respectively engraving two adjacent furnace wall design central lines 15 and a furnace wall 3 width control line 14 on two adjacent large surfaces of the stay wire target 13; a pair of stay wire mark plates 13 respectively positioned at the machine side and the coke side are used for building two adjacent furnace walls 3, and the inner sides of two adjacent upright line rods 5 corresponding to the two end parts of the furnace walls 3 are fixed before building. The top surface of the stay wire target 13 is flush with a brick layer line 12 of a brick layer to be built, and simultaneously, the actual central line 11 of the furnace wall thrown on the upright line pole 5 is compared and checked with the furnace wall design central line 15 carved on the target 13, and the allowable deviation is controlled within the range of +/-0.5 mm; then, the bracing wire is built by the width control line 14 of the furnace wall 3 on the machine side of the two ends of the furnace wall 3 and the coke side bracing wire mark plate 13. After the same layer of each furnace wall 3 is built, machine side and coke side front surface lines 7 on the two end resisting walls 2 are simultaneously thrown to the top surface of each furnace wall 3, the control distance C of the end part of each furnace wall 3 is calculated according to the distance A between the front surface line 7 and the longitudinal center line 6 of the coke oven and the design length of the furnace wall 3, the control distance C of the two ends of each furnace wall 3 is manually measured, the allowable deviation is controlled within the range of +/-3 mm, and the purpose of controlling the length of the furnace wall 3 is achieved.
The coke oven masonry measurement control method is applied to the construction of a 60-hole 7m coke oven, the oven body comprises 71 combustion chambers, and the oven body is divided into five parts, namely a basic platform, a regenerative chamber, a chute, a combustion chamber and an oven top from bottom to top; the whole height of the furnace body is 13895mm, and the length is 93600 mm; the furnace body width direction extension, the coke both sides, it is the machine side to be close to the coke pusher, take the lower part of combustion chamber position to build by laying bricks or stones as the example, include the following steps:
in the first step, the brickwork of the combustion chamber part has 57 layers and the total height is 6980mm, wherein the brickwork of the lower part has 44 layers, each layer has the thickness of 125mm (wherein the thickness of refractory bricks is 120mm, and the thickness of mortar joints is 5mm), and 61 furnace walls are arranged at the part. Are all parallel to the transverse center line of the coke oven, the width of the machine side is 988mm, the width of the coke side is 928mm, and the length is 18312 mm;
step two, when the part below the combustion chamber is built, the transverse central line of the coke oven and the central line of the end carbonization chamber are put on the concrete side beams at the machine side and the coke side; the vertical central line of the coke oven marked on the resistance wall is installed on the concrete side beams positioned on the machine side and the coke side, and the vertical line is formed by butt joint of two 200 multiplied by 80 multiplied by 6000mm dried wood in the height direction.
Thirdly, before the position is built, measuring the distance between the longitudinal center line of the coke oven and the center lines of the two end carbonization chambers by using a steel tape, wherein after temperature and tension verification, the distances are 45754mm and 45747mm respectively (the design values are 45750 mm); the longitudinal center line of the coke oven and the center line of the end carbonization chamber comprise 30 combustion chamber walls and 30.5 furnace wall intervals. The measuring is convenient, the distance is 45754mm part, adopts 8 1500.5 mm's interval evenly distributed in 22 1500mm intervals, and the same distance is 45754mm part, adopts 6 1499.5 mm's interval evenly distributed in 24 1500mm intervals. The standard requirement of the distance between the central lines of the furnace walls of the combustion chamber of +/-0.5 mm is ensured.
And step four, throwing the elevation control lines of the combustion chamber on the resisting wall to the inner side of each vertical line rod by using a level gauge, and drawing brick layer lines (brick layer elevation control lines) at the lower part of the combustion chamber on the vertical line rods by taking the elevation lines of the part as a reference, wherein the distance is 125 mm.
And fifthly, manufacturing a stay wire target plate according to the width of the furnace wall of the combustion chamber, wherein the stay wire target plate is manufactured by planing 100 multiplied by 40 multiplied by 4000mm dry wood. Furnace wall central lines with the spacing of 1500mm and wall width control lines (machine side wall width 988mm and coke side wall width 928mm) of two walls are respectively engraved on two adjacent surfaces of 100X 4000mm and 40X 4000mm of the stay wire mark plate.
And step six, fixing the machine side and coke side stay wire mark plates on the inner sides of the vertical line rods corresponding to the furnace wall to be built, wherein the top surfaces of the stay wire mark plates are flush with the brick layer lines of the brick layer to be built, checking whether the actual central line of the furnace wall of the vertical line rods is coincident with the central line of the furnace wall designed by the stay wire mark plates or not, and meeting the control requirement within +/-0.5 mm of error. And after the requirements are met, the bracing wire is built through wall width control lines on the bracing wire target plates on the machine side and the coke side.
And seventhly, after the furnace walls are built on the same layer, casting the front surface lines of the combustion chambers on the resistant walls onto the furnace walls by using a theodolite, wherein the design control distance between the front surface lines and the end parts of the furnace walls is 650mm, and then measuring and detecting by using a tape measure, so that the control size error of the front surface lines at the two end parts of each furnace wall is ensured to be within +/-3 mm, and the purpose of controlling the length of each furnace wall is achieved.
In conclusion, the coke oven masonry measurement control method is suitable for coke oven masonry measurement control with complex structure, high oven body height and longer oven wall. According to the longitudinal central line, the transverse central line, the central line of the end carbonization chamber and the elevation control lines of all parts of the coke oven, the vertical line rods are arranged on the side beams of the foundation platform at the corresponding positions of the end parts of the oven walls, and the actual central lines of all the oven walls are carved on the vertical line rods. And throwing elevation control lines of all parts on the resisting wall and the vertical line pole, and carving brick layer lines on the vertical line pole. The stay wire mark plates with furnace wall design central lines and wall width control lines are fixed on the vertical line rods at two ends of the furnace wall, and the actual central lines of the furnace wall on the vertical line rods are compared with the furnace wall design central lines on the stay wire mark plates and checked to form an automatic deviation rectifying measurement control network, so that the center, the interval and the width of the furnace wall are effectively ensured. Meanwhile, after the same layer of bricks of each furnace wall are built, the control distance of the end part of the furnace wall is checked through the front surface line which is put on the top surface of the furnace wall, and the problem of low length control precision of the furnace wall is effectively solved. The method is scientific, simple and reliable, and has strong practicability. The coke oven masonry measuring method disclosed by the invention is fully applied to the construction process of the Baozhenjiang coke oven, the coke oven masonry quality and efficiency are greatly improved, the success is achieved, and the effect is obvious.
During the description of the above description:
the description of the terms "this embodiment," "an embodiment of the invention," "as shown at … …," "further improved technical solution," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention; in this specification, the schematic representations of the terms used above are not necessarily for the same embodiment or example, and the particular features, structures, materials, or characteristics described, etc., may be combined or brought together in any suitable manner in any one or more embodiments or examples; furthermore, those of ordinary skill in the art may combine or combine features of different embodiments or examples and features of different embodiments or examples described in this specification without undue conflict.
Finally, it should be noted that:
the above embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same;
although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that various changes and modifications may be made, and equivalents may be substituted for elements thereof without departing from the scope of the embodiments of the present invention.
Claims (8)
1. A coke oven masonry measurement control method is characterized by comprising the following steps:
s1, installing upright line rods at the corresponding positions of the end part of each furnace wall on the machine side and coke side edge beam of the foundation platform;
s2, putting the longitudinal central line of the coke oven, the front surface line for controlling the length of the oven wall and the elevation control lines of all parts of the oven wall on the inner side surfaces of the resisting walls at the two ends of the coke oven;
s3, putting the transverse center line of the coke oven and the center line of the end carbonization chamber near the two end resisting walls at the outer sides of the side edge beam and the coke side edge beam of the coke oven;
s4, calculating the average distance between the centers of the furnace walls through temperature correction according to the distance between the transverse center line of the coke oven and the center line of the end carbonization chamber and the corresponding number of the furnace walls, determining the actual center line of the furnace walls, and putting the actual center line of the furnace walls on the inner side of the vertical line rod;
s5, throwing the elevation control lines of the corresponding parts on the resisting wall to the inner sides of the upright line poles by adopting a level gauge, and drawing brick layer lines downwards by taking the elevation control lines as a reference;
s6, respectively engraving design central lines and width control lines of two adjacent furnace walls on two adjacent large surfaces of the stay wire target according to the design interval of the furnace walls;
and S7, building each part according to various marked lines.
2. The coke oven masonry measurement control method according to claim 1, wherein in step S1, the distance between the upright posts is 1100-1700 mm.
3. The coke oven masonry measurement control method according to claim 1, wherein in step S2, the range of the distance a between the front surface line and the coke oven longitudinal centerline is calculated by the formula:
A＝L/2-(600～700)mm；
wherein L is the length of the furnace wall.
4. The coke oven masonry measurement control method according to claim 1, wherein the method for measuring the transverse center line of the coke oven and the center lines of the 2 end coking chambers in step S3 comprises the following steps: and (4) putting the theodolite on the outer side of the concrete boundary beam of the foundation platform for measurement.
5. The coke oven masonry measurement control method according to claim 1, wherein said upright mast comprises wood.
6. The coke oven masonry measurement control method according to claim 1, wherein the step S7 includes: the adjacent two furnace walls are built by using a pair of stay wire mark plates respectively positioned at the machine side and the coke side, the inner sides of the upright line rods corresponding to the two end parts of the furnace walls are fixed before building, and each stay wire mark plate is fixed on the adjacent upright line rods simultaneously.
7. The coke oven masonry measurement control method according to claim 1, wherein the step S7 includes: the top surface of the stay wire target plate is flush with the brick layer line of the brick layer to be built, the actual central line of the furnace wall on the upright line rod is aligned and checked with the designed central line of the furnace wall on the target plate, and the allowable deviation of the two central lines is controlled within the range of +/-0.5 mm; then, the stay wire is built through the furnace wall width control lines on the stay wire target plates at the two ends of the furnace wall.
8. The coke oven masonry measurement control method according to claim 3, wherein the step S7 includes: after the same layer of each furnace wall is built, front surface lines on the resisting walls at two ends are thrown to the top surface of each furnace wall by a theodolite, the control distance of the end part of the furnace wall is determined according to the distance A between the front surface line and the longitudinal center line of the coke oven and the length L of the furnace wall at the position, and the control distance of the end part of each furnace wall is measured by a manual tape measure to ensure that the deviation is within the range of +/-3 mm.
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| CN114874792A (en) * | 2022-04-23 | 2022-08-09 | 中国五冶集团有限公司 | Error control method for front surface line of heat recovery coke oven |
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