CN111672659A - Installation method for accurately controlling spraying radius of hot blast stove pipeline - Google Patents
Installation method for accurately controlling spraying radius of hot blast stove pipeline Download PDFInfo
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- CN111672659A CN111672659A CN202010474422.8A CN202010474422A CN111672659A CN 111672659 A CN111672659 A CN 111672659A CN 202010474422 A CN202010474422 A CN 202010474422A CN 111672659 A CN111672659 A CN 111672659A
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- spraying
- radius
- pipeline
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/22—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to internal surfaces, e.g. of tubes
Abstract
The invention relates to the field of metallurgical blast furnace construction, in particular to an installation method for accurately controlling the spraying radius of a hot blast furnace pipeline; the method is characterized in that: the device comprises a support upright post, an L-shaped positioning rib, a central pipe, a radius wheel rod, a magnet screw rod, an adjusting nut and a protective sleeve; both ends and tube welding about the support post, "L" type location muscle and support post welding, the center tube inlays in "L" type location muscle, and radius wheel pole is connected with the center tube, and the magnet screw rod utilizes magnet suction to fix on the tube, and adjusting nut control spraying layer radius, protective case keep apart magnet screw rod and spraying layer, are convenient for remove used repeatedly. Compared with the traditional construction method, the method has the advantages that the spraying radius is accurately controlled before spraying, namely, the magnet screw is firstly installed, the nut is adjusted, the accurate control of the spraying reinforcement punching radius in the next step is guided, and conditions are provided for the accurate control of the formal large-surface spraying radius.
Description
Technical Field
The invention relates to the field of metallurgical blast furnace construction, in particular to an installation method for accurately controlling the spraying radius of a hot blast furnace pipeline.
Background
The refractory material of the pipeline of the blast furnace hot blast stove is built by a plurality of combined bricks, the mortar joint requirement of the building body is high, and the air tightness requirement is strict. The construction quality of the pipeline spraying layer, particularly the error of the spraying radius, has direct influence on the building of the pipeline refractory material.
Because the radius of pipeline installation has inevitable error, local even has too big deviation, must eliminate the too big deviation of pipeline installation at pipeline spraying coating construction stage, ensures that pipeline resistant material can normally build by laying bricks or stones.
In the traditional pipeline spraying, a wheel rod is mainly used for checking the spraying radius in the pipeline spraying process, and scraping or repairing measures are locally adopted according to the condition that the spraying is too thick and too thin. Because there is not effective technological measure before setting up the round pole and reexamining, it is inaccurate to rely on the anchor nail on the tube to regard as the foundation that the spray coating thickness is controlled, and the spray coating is repaired and is scraped the volume very much.
Disclosure of Invention
The invention aims to overcome the defects and provides a method for strictly limiting the thickness fluctuation of a sprayed layer so as to reduce the scraping of the sprayed layer with an excessively thick surface and the workload of repairing or spraying the excessively thin sprayed layer.
In order to achieve the above object, the present invention is realized by:
a device for accurately controlling the spraying radius of a hot blast stove pipeline;
the device comprises a support upright post, an L-shaped positioning rib, a central pipe, a radius wheel rod, a magnet screw rod, an adjusting nut and a protective sleeve; both ends and tube welding about the support post, "L" type location muscle and support post welding, the center tube inlays in "L" type location muscle, and radius wheel pole is connected with the center tube, and the magnet screw rod utilizes magnet suction to fix on the tube, and adjusting nut control spraying layer radius, protective case keep apart magnet screw rod and spraying layer, are convenient for remove used repeatedly.
The construction method of the device for accurately controlling the spraying radius of the hot blast stove pipeline is disclosed; the method comprises the following steps:
step one, installing a radius wheel rod and a support frame thereof;
mounting a magnet screw, and checking and adjusting an adjusting nut on the magnet screw to a spraying radius by using a radius wheel rod;
step three, mounting a protective sleeve outside the magnet screw, and separating a spraying layer when spraying the reinforcement;
spraying the thickness of the punching rib to the surface of the adjusting nut, removing the magnet screw rod and the sleeve and rechecking by using the wheel rod;
and fifthly, performing formal large-surface spraying on the pipeline.
The construction method of the device for accurately controlling the spraying radius of the hot blast stove pipeline is disclosed; further comprising the steps of;
step 1, measuring a longitudinal center line of the pipeline spraying by using an instrument, and installing an upright post for supporting a wheel rod, wherein the distance between the upright post and the upright post is about 2 m;
step 4, mounting a wheel rod on the horizontal steel pipe, wherein the radius of the wheel rod is equal to that of the pipeline spraying coating;
and 7, after the adjustment of the adjusting nut on the magnet screw rod is finished, installing a protective sleeve outside the magnet screw rod to isolate the spraying layer, so that the subsequent magnet screw rod can be removed conveniently.
And 8, during sectional spraying, firstly spraying a long strip provided with a nut, spraying a punching rib for controlling the thickness of a spraying layer, checking and correcting the spraying punching rib by using a wheel rod, controlling the flatness of the upper surface of the punching rib by using a 2m long guiding rule, and removing the magnet screw to reinstall the next section of spraying pipeline. In order to facilitate the removal of the protective sleeve and the magnet screw, when the reinforcement is sprayed, the spraying thickness is intentionally reduced or is not sprayed nearby the protective sleeve, and after the reinforcement is sprayed, the protective sleeve and the magnet screw are removed and then are sprayed along with the coating when the formal large-surface spraying is carried out;
step 9, after the five spraying and punching ribs of the lower half ring of the pipeline are finished, formally performing large-surface spraying;
and step 10, spraying the upper half ring of the pipeline in the same mode as the lower half ring, and spraying three punching ribs before spraying.
Compared with the traditional construction method, the method has the advantages that the spraying radius is accurately controlled before spraying, namely, the magnet screw is firstly installed and the nut is adjusted to guide the accurate control of the spraying reinforcement radius in the next step, conditions are provided for the accurate control of the formal large-surface spraying radius, the main purpose is to easily control the fluctuation of the spraying thickness in the spraying process and reduce the scraping and the supplementary spraying of the spraying layer.
Drawings
FIG. 1 is a front view of the precise control of the spraying radius of the hot blast stove pipeline.
FIG. 2 is a top view of the precise control of the spraying radius of the hot blast stove pipeline.
Detailed Description
The invention is further illustrated by the following specific examples.
A device for accurately controlling the spraying radius of a hot blast stove pipeline;
the device comprises a support upright post, an L-shaped positioning rib, a central pipe, a radius wheel rod, a magnet screw rod, an adjusting nut and a protective sleeve; both ends and tube welding about the support post, "L" type location muscle and support post welding, the center tube inlays in "L" type location muscle, and radius wheel pole is connected with the center tube, and the magnet screw rod utilizes magnet suction to fix on the tube, and adjusting nut control spraying layer radius, protective case keep apart magnet screw rod and spraying layer, are convenient for remove used repeatedly.
The construction method of the device for accurately controlling the spraying radius of the hot blast stove pipeline is disclosed; the method comprises the following steps:
step one, installing a radius wheel rod and a support frame thereof;
mounting a magnet screw, and checking and adjusting an adjusting nut on the magnet screw to a spraying radius by using a radius wheel rod;
step three, mounting a protective sleeve outside the magnet screw, and separating a spraying layer when spraying the reinforcement;
spraying the thickness of the punching rib to the surface of the adjusting nut, removing the magnet screw rod and the sleeve and rechecking by using the wheel rod;
and fifthly, performing formal large-surface spraying on the pipeline.
The construction method of the device for accurately controlling the spraying radius of the hot blast stove pipeline is disclosed; further comprising the steps of;
step 1, measuring a longitudinal center line of the pipeline spraying by using an instrument, and installing an upright post (1) of a supporting wheel rod, wherein the distance between the upright post 1 and the upright post 1 is about 2 m;
step 4, mounting a wheel rod 4 on the horizontal steel pipe 3, wherein the radius of the wheel rod 4 is equal to that of the pipeline spraying coating;
and 7, after the adjustment of the adjusting nut 6 on the magnet screw rod 5 is finished, installing a protective sleeve 7 outside the magnet screw rod 5 to isolate the spraying layer, so that the subsequent removal of the magnet screw rod 5 is facilitated.
And 8, during sectional spraying, firstly spraying a strip belt provided with a nut 6, spraying a punching rib for controlling the thickness of a spraying layer, checking and correcting the spraying punching rib by using a wheel rod 4, controlling the flatness of the upper surface of the punching rib by using a guiding rule with the length of 2m, and removing the magnet screw rod 5 to reinstall the next section of spraying pipeline. In order to facilitate the removal of the protective sleeve 7 and the magnet screw 5, when the reinforcement is punched, the spraying thickness is intentionally reduced or the reinforcement is not sprayed nearby the protective sleeve, and after the reinforcement is punched and the coating is finished, the protective sleeve 7 and the magnet screw 5 are removed, and then the coating is supplemented and sprayed along with the major surface;
step 9, after the five spraying and punching ribs of the lower half ring of the pipeline are finished, formally performing large-surface spraying;
and step 10, spraying the upper half ring of the pipeline in the same mode as the lower half ring, and spraying three punching ribs before spraying.
Compared with the traditional construction method, the method has the advantages that the spraying radius is accurately controlled before spraying, namely, the magnet screw is firstly installed and the nut is adjusted to guide the accurate control of the spraying reinforcement radius in the next step, conditions are provided for the accurate control of the formal large-surface spraying radius, the main purpose is to easily control the fluctuation of the spraying thickness in the spraying process and reduce the scraping and the supplementary spraying of the spraying layer.
Claims (3)
1. A device for accurately controlling the spraying radius of a hot blast stove pipeline; the method is characterized in that:
the device comprises a support upright post, an L-shaped positioning rib, a central pipe, a radius wheel rod, a magnet screw rod, an adjusting nut and a protective sleeve; both ends and tube welding about the support post, "L" type location muscle and support post welding, the center tube inlays in "L" type location muscle, and radius wheel pole is connected with the center tube, and the magnet screw rod utilizes magnet suction to fix on the tube, and adjusting nut control spraying layer radius, protective case keep apart magnet screw rod and spraying layer, are convenient for remove used repeatedly.
2. The construction method of the device for accurately controlling the spraying radius of the hot blast stove pipeline as claimed in claim 1; the method is characterized in that: the method comprises the following steps:
step one, installing a radius wheel rod and a support frame thereof;
mounting a magnet screw, and checking and adjusting an adjusting nut on the magnet screw to a spraying radius by using a radius wheel rod;
step three, mounting a protective sleeve outside the magnet screw, and separating a spraying layer when spraying the reinforcement;
spraying the thickness of the punching rib to the surface of the adjusting nut, removing the magnet screw rod and the sleeve and rechecking by using the wheel rod;
and fifthly, performing formal large-surface spraying on the pipeline.
3. The construction method of the device for accurately controlling the spraying radius of the hot blast stove pipeline according to the claim 1 or 2; the method is characterized in that: further comprising the steps of;
step 1, measuring a longitudinal center line of the pipeline spraying by using an instrument, and installing an upright post (1) for supporting a wheel rod, wherein the distance between the upright post (1) and the upright post (1) is about 2 m;
step 2, discharging a horizontal central line of the pipeline spraying by using a laser level meter, reversely calculating the installation elevation of the L-shaped rib (2) according to the horizontal central line, and welding and connecting the L-shaped rib (2) and the upright post (1);
step 3, putting the full-length horizontal steel pipe (3) provided with the wheel rod into the L-shaped rib (2);
step 4, mounting the wheel rod (4) on the horizontal steel pipe (3), wherein the radius of the wheel rod (4) is equal to that of the pipeline spray coating;
step 5, before spraying the lower half ring of the pipeline, distributing screw rods (5) with magnets on the base on the lower half ring, temporarily fixing the lower half ring on the pipe shell by utilizing the attraction of the magnets, controlling the longitudinal distance of the magnet screw rods (5) to be about 2m, and uniformly distributing 5 times along the lower half ring;
step 6, checking the installation height of the magnet screw rod (5) by the rotating wheel rod (4), and adjusting the nut (6) on the magnet screw rod (5) to enable the surface height of the nut to be equal to the tail end of the rotating wheel rod (4), namely the surface of the nut (6) is the surface elevation of the spraying layer;
step 7, after the adjustment of the adjusting nut (6) on the magnet screw (5) is finished, installing a protective sleeve (7) outside the magnet screw (5) to isolate the spray coating layer, so that the subsequent removal of the magnet screw (5) is facilitated;
step 8, when spraying in sections, spraying a strip belt provided with a nut (6), spraying a punching rib for controlling the thickness of a spraying layer, checking and correcting the spraying punching rib by using a wheel rod (4), controlling the flatness of the upper surface of the punching rib by using a 2m long guiding rule, and removing a magnet screw (5) to install a next section of spraying pipeline again;
in order to facilitate the removal of the protective sleeve (7) and the magnet screw (5), when the reinforcement is punched and sprayed, the spraying thickness is intentionally reduced or the reinforcement is not sprayed nearby the protective sleeve, and after the reinforcement is punched and sprayed, the protective sleeve (7) and the magnet screw (5) are removed, and then the reinforcement spraying is carried out along with the coating when the formal large-surface spraying is carried out;
step 9, after the five spraying and punching ribs of the lower half ring of the pipeline are finished, formally performing large-surface spraying;
and step 10, spraying the upper half ring of the pipeline in the same mode as the lower half ring, and spraying three punching ribs before spraying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010474422.8A CN111672659A (en) | 2020-05-29 | 2020-05-29 | Installation method for accurately controlling spraying radius of hot blast stove pipeline |
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| CN202010474422.8A CN111672659A (en) | 2020-05-29 | 2020-05-29 | Installation method for accurately controlling spraying radius of hot blast stove pipeline |
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| CN111672659A true CN111672659A (en) | 2020-09-18 |
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| CN202010474422.8A Pending CN111672659A (en) | 2020-05-29 | 2020-05-29 | Installation method for accurately controlling spraying radius of hot blast stove pipeline |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116441145A (en) * | 2023-03-29 | 2023-07-18 | 智微合聚先进材料科技(苏州)有限责任公司 | Production method of foam roll material |
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| US20120141705A1 (en) * | 2008-02-07 | 2012-06-07 | The Boeing Company | Wrinkle Control for Composite Tubes |
| KR20120106250A (en) * | 2011-03-18 | 2012-09-26 | 이석정 | Corrugated coated metal tube with sacrificial anodes |
| CN203002587U (en) * | 2012-12-14 | 2013-06-19 | 黄石经纬纺织机械有限公司 | Coating thickness regulating device |
| CN205371948U (en) * | 2015-12-15 | 2016-07-06 | 天津市昊航复合管业有限公司 | Novel compound steel pipes |
| CN207371809U (en) * | 2017-08-31 | 2018-05-18 | 上海二十冶建设有限公司 | A kind of fixture for the finishing of hot-blast stove sprayed coating |
| CN109900214A (en) * | 2019-04-17 | 2019-06-18 | 大学士工程管理有限公司 | A kind of construction site construction plastering face thickness real-time monitor |
| CN110420773A (en) * | 2019-04-29 | 2019-11-08 | 中冶天工集团天津有限公司 | A kind of stove pipeline spray coating radius control device and construction method |
| CN210032685U (en) * | 2019-04-18 | 2020-02-07 | 中国建筑第八工程局有限公司 | Construction thickness adjusting device of regularization screeding |
-
2020
- 2020-05-29 CN CN202010474422.8A patent/CN111672659A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001300368A (en) * | 2000-04-24 | 2001-10-30 | Soken:Kk | Spray gun for coating inside of pipe |
| US20120141705A1 (en) * | 2008-02-07 | 2012-06-07 | The Boeing Company | Wrinkle Control for Composite Tubes |
| KR20120106250A (en) * | 2011-03-18 | 2012-09-26 | 이석정 | Corrugated coated metal tube with sacrificial anodes |
| CN203002587U (en) * | 2012-12-14 | 2013-06-19 | 黄石经纬纺织机械有限公司 | Coating thickness regulating device |
| CN205371948U (en) * | 2015-12-15 | 2016-07-06 | 天津市昊航复合管业有限公司 | Novel compound steel pipes |
| CN207371809U (en) * | 2017-08-31 | 2018-05-18 | 上海二十冶建设有限公司 | A kind of fixture for the finishing of hot-blast stove sprayed coating |
| CN109900214A (en) * | 2019-04-17 | 2019-06-18 | 大学士工程管理有限公司 | A kind of construction site construction plastering face thickness real-time monitor |
| CN210032685U (en) * | 2019-04-18 | 2020-02-07 | 中国建筑第八工程局有限公司 | Construction thickness adjusting device of regularization screeding |
| CN110420773A (en) * | 2019-04-29 | 2019-11-08 | 中冶天工集团天津有限公司 | A kind of stove pipeline spray coating radius control device and construction method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116441145A (en) * | 2023-03-29 | 2023-07-18 | 智微合聚先进材料科技(苏州)有限责任公司 | Production method of foam roll material |
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Application publication date: 20200918 |