CN102134855A - Method for installing and constructing supporting wheel set system of coal moisture control dryer - Google Patents
Method for installing and constructing supporting wheel set system of coal moisture control dryer Download PDFInfo
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- CN102134855A CN102134855A CN2010101010731A CN201010101073A CN102134855A CN 102134855 A CN102134855 A CN 102134855A CN 2010101010731 A CN2010101010731 A CN 2010101010731A CN 201010101073 A CN201010101073 A CN 201010101073A CN 102134855 A CN102134855 A CN 102134855A
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- support roller
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Abstract
The invention relates to a method for installing and constructing a supporting wheel set system of a coal moisture control dryer, which is characterized by comprising the following steps of: a) checking and marking a foundation; b) installing a supporting wheel set; c) aligning the supporting wheel set, namely aligning center lines and assisting in measuring a distance by using a high-accuracy theodolite, and moving by using a jack to adjust the distance between supporting wheel bases so as to meet the requirements of parallel center lines and an inclination angle after two sets, namely four supporting wheels are installed; d) grouting and curing concrete; and e) aligning the supporting wheel set again. The method for installing and constructing the supporting wheel set system of the coal moisture control dryer has the advantages that: a complicated mutual position relationship is converted into a plurality of groups of data which is easy to measure and adjust, installation quality is ensured, and construction efficiency is improved.
Description
Technical field
The present invention relates to the drier in a kind of coke oven coal damping a complete set of equipment, specifically, is a kind of construction method of installation of coal damping drier support roller group system.
Background technology
In the installation process of coke oven coal damping a complete set of equipment, the installation of drier fuselage is the emphasis of construction.For the installation of coal damping drier, all require to install back drier fuselage and keep certain inclination angle, the assurance at inclination angle then depends on the installation accuracy of drier support roller group system.Therefore, the installation accuracy of support roller group system has determined the installation accuracy of drier fuselage, thereby influences validity and the drier unit reliability of operation and the stability of follow-up engineering.The key that drier support roller system installs is how to guarantee the axiality of the tangent circle of the tangent circle of two support rollers of drier feed end and two support rollers of drier discharge end, guarantees that simultaneously the inclination angle of the two tangent circle lines of centres is identical with the drier mounted angle.But, drier support roller group system by two groups totally four support rollers constitute, its mutual position relation is complicated, but known job practices lack measures of quantization, easy and simple to handle, adjust reliable means, have a strong impact on construction speed and be difficult to guarantee installation accuracy.
Therefore the mounting method of known drier support roller group system exists above-mentioned all inconvenience and problem.
Summary of the invention
Purpose of the present invention, be to propose a kind of with correlation complicated between the drier support roller be converted to be easy to measures of quantization, easy and simple to handle, adjust reliable and can guarantee the construction method of installation of the coal damping drier support roller group system of installation accuracy.
For achieving the above object, technical solution of the present invention is:
A kind of construction method of installation of coal damping drier support roller group system is characterized in that may further comprise the steps:
A) basis check and line
Check concrete foundation by drawing, measure each block of wood height of described concrete foundation according to the reference line of structure with level gauge, on the side wall of described concrete block of wood, mark altitude line, measure horizontal range according to the base center line that on described concrete foundation, marks; If actual concrete foundation does not meet the drawing requirement, before installation, corrected;
B) the support roller group is installed
Described support roller group system is included in support roller, bearing and the base that has assembled before the transportation, and is according to basis line and support roller group base groove that the integral hoisting of described support roller group is in place, connects the support roller base with stone bolt;
C) support roller group centering
Carry out center line centering and subsidiary distance with the high accuracy transit, move, adjust support roller base distance with jack, so that satisfy the parallel and inclination angle requirement of center line totally after two groups four support rollers are installed:
Measure the diagonal of horizontal range and two bases between two bases, reach the following formula relation:
| A-A ' |≤1.5mm and | B-B ' |≤1.5mm;
Measure the angle of inclination of the height and two bases of vertical direction between two bases, reach the following formula relation:
|H1-H2|≤1.5mm|H1-H5-(L*M)|≤1.5mm
|H3-H4|≤1.5mm|H2-H6-(L*M)|≤1.5mm
|H5-H6|≤1.5mm|H3-H7-(L*M)|≤1.5mm
|H7-H8|≤1.5mm|H4-H8-(L*M)|≤1.5mm
Wherein, A is the horizontal range between the base central point of high-end support roller, A ' is the horizontal range between the base central point of low side support roller, B is the base center diagonal distance of high low side two support rollers, B ' is another diagonal distance of base center of high low side two support rollers, and H1～H8 is the absolute altitude of each measuring point on the base that records of level gauge, and L is the horizontal range of base centreline space, M is a gradient, value 9/100;
Spot welding parallels and base plate behind the centering, so that parallels is each other, and fixing between parallels and the base plate;
D) grouting and concrete curing
Behind the first centering of support roller base anchor bolt box is in the milk, fills anchor bolt box with pea gravel concreten during grouting, grouting height is to surface of base, and the tamping of should vibrating, must not movable base or loading before concrete setting;
E) support roller group secondary centering
Two support roller groups are solidified at pea gravel concreten, carry out the secondary centering after the maintenance, and aligning method is tightened stone bolt with first centering, carries out back-grouting between concrete foundation surface and base.
The construction method of installation of coal damping drier support roller group system of the present invention can also be further achieved by the following technical measures.
Aforesaid method, wherein said step b) is installed the support roller group and be may further comprise the steps:
1), require to be provided with the parallels group according to drawing, according to support roller group base designs absolute altitude the absolute altitude of parallels group is set, described parallels area calculates as follows:
A＝C(Q1+Q2)×104/R
A wherein: described parallels area mm
2The C safety factor should get 1.5～3; Q1: because the weight of equipment is added in the load (N) on the described parallels group; Q2: because stone bolt is tightened the load (N) on the described parallels group of being distributed in, the permission stretching resistance of desirable bolt; R basis or terrace concrete unit area compressive strength (Mpa), desirable concrete design strength;
2), base and support roller integral hoisting is in place according to center line that marks on the two support roller bases and the center groove on the base;
3), connect two support roller bases with stone bolt.
Aforesaid method, wherein said step 3) connects in the two support roller bases with stone bolt, and the length that described bolt exposes on the two support roller base planes is 1/3～2/3 of the diameter of bolt.
After adopting technique scheme, the construction method of installation of coal damping drier support roller group system of the present invention has the following advantages:
1, the mutual alignment relation with complexity is converted into several groups of data of easily measuring and adjusting, and has guaranteed installation quality reliably;
2, good, the less investment of result of use, applicability are strong;
3, greatly improved efficiency of construction.
Description of drawings
Fig. 1 is the support roller installation accuracy schematic diagram of the embodiment of the invention;
Fig. 2 is the adjustment schematic diagram that the support roller of the embodiment of the invention is installed;
Fig. 3 is the schematic top plan view that the support roller of the embodiment of the invention is adjusted.
Among the figure: 1 tangent circle, 2 support rollers, 3 transits.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing thereof the present invention is illustrated further.
Now see also Fig. 1, Fig. 1 is the support roller installation accuracy schematic diagram of the embodiment of the invention.As shown in the figure, make the axiality of tangent circle 1 with the tangent circle 1 of two support rollers 2 of drier discharge end of two support rollers 2 of described drier feed end, make the inclination angle of two tangent circles, 1 line of centres identical simultaneously with the drier mounted angle.
A kind of construction method of installation of coal damping drier support roller group system is characterized in that may further comprise the steps:
A) basis check and line
(1) height of each block of wood is measured with level gauge according to the reference line of structure, and horizontal range should be measured according to the base center line that marks in concrete foundation.
(2) line of expression height should be labeled on the side of concrete block of wood.
(3) if when contrast drawing in actual basis is correct inadequately, should before installing, be corrected.
(4) foreign material in the anchor bolt box will be cleaned out.
(5) basis requires:
● base center wire spacing allowable variation 1mm;
● datum mark is to absolute altitude deviation ± 3mm at zero point, and the difference of feed end support roller group basis absolute altitude (containing 50mm back-grouting layer) and discharge end support roller group basis absolute altitude (containing 50mm back-grouting layer) must satisfy the requirement of technical specification;
● anchor bolt box center deviation ± 10mm;
● the foundation outline size is permitted error ± 30mm.
B) the support roller group is installed
Fig. 2 is the adjustment schematic diagram that the support roller of the embodiment of the invention is installed, and Fig. 3 is the schematic top plan view that the support roller of the embodiment of the invention is adjusted.Described support roller group system is included in support roller, bearing and the base that has assembled before the transportation.Earlier require to be provided with the parallels group according to drawing, according to support roller group base designs absolute altitude the absolute altitude of parallels group is set, described parallels area calculates as follows:
A＝C(Q1+Q2)×104/R
A wherein: described parallels area mm
2The C safety factor should get 1.5～3; Q1: because the weight of equipment is added in the load (N) on the described parallels group; Q2: because stone bolt is tightened the load (N) on the described parallels group of being distributed in, the permission stretching resistance of desirable bolt; R basis or terrace concrete unit area compressive strength (Mpa), desirable concrete design strength; According to center line that marks on the two support roller bases and the center groove on the base that base and support roller integral hoisting is in place then; Connect two support roller bases with stone bolt, the length that described bolt exposes on the two support roller base planes is 1/3～2/3 of the diameter of bolt;
C) support roller group centering
Carry out center line centering and subsidiary distance with the high accuracy transit, move, adjust support roller base distance with jack, so that satisfy the parallel and inclination angle requirement of center line totally after two groups four support rollers are installed:
Measure the diagonal of horizontal range and two bases between two bases, reach the following formula relation:
| A-A ' |≤1.5mm and | B-B ' |≤1.5mm;
Measure the angle of inclination of the height and two bases of vertical direction between two bases, reach the following formula relation:
|H1-H2|≤1.5mm|H1-H5-(L*M)|≤1.5mm
|H3-H4|≤1.5mm|H2-H6-(L*M)|≤1.5mm
|H5-H6|≤1.5mm|H3-H7-(L*M)|≤1.5mm
|H7-H8|≤1.5mm|H4-H8-(L*M)|≤1.5mm
Wherein, A is the horizontal range between the base central point of high-end support roller, A ' is the horizontal range between the base central point of low side support roller, B is the base center diagonal distance of high low side two support rollers, B ' is another diagonal distance of base center of high low side two support rollers, and H1～H8 is the absolute altitude of each measuring point on the base that records of level gauge, and L is the horizontal range of base centreline space, M is a gradient, value 9/100;
Spot welding parallels and base plate behind the centering, so that parallels is each other, and fixing between parallels and the base plate;
D) grouting and concrete curing
Behind the first centering of support roller base anchor bolt box is in the milk, during grouting pea gravel concreten is filled anchor bolt box, grouting height is to surface of base, and the tamping of should vibrating, must not movable base or loading before concrete setting;
E) support roller group secondary centering
Two support roller groups are solidified at pea gravel concreten, carry out the secondary centering after the maintenance, aligning method is with first centering, tighten stone bolt, carry out back-grouting between concrete foundation surface and base, finish the installation adjustment of coal damping drier support roller group system of the present invention thus.
Above embodiment is only for the usefulness that the present invention is described, but not limitation of the present invention, person skilled in the relevant technique under the situation that does not break away from the spirit and scope of the present invention, can also be made various conversion or variation.Therefore, all technical schemes that are equal to also should belong to category of the present invention, should be limited by each claim.
Claims (3)
1. the construction method of installation of a coal damping drier support roller group system is characterized in that may further comprise the steps:
A) basis check and line
Check concrete foundation by drawing, measure each block of wood height of described concrete foundation according to the reference line of structure with level gauge, on the side wall of described concrete block of wood, mark altitude line, measure horizontal range according to the base center line that on described concrete foundation, marks;
B) the support roller group is installed
Described support roller group system comprises support roller, bearing and base, and is according to basis line and support roller group base groove that the integral hoisting of described support roller group is in place, connects the support roller base with stone bolt;
C) support roller group centering
Carry out center line centering and subsidiary distance with the high accuracy transit, move, adjust support roller base distance with jack, so that satisfy the parallel and inclination angle requirement of center line totally after two groups four support rollers are installed:
Measure the diagonal of horizontal range and two bases between two bases, reach the following formula relation:
| A-A ' |≤1.5mm and | B-B ' |≤1.5mm;
Measure the angle of inclination of the height and two bases of vertical direction between two bases, reach the following formula relation:
|H1-H2|≤1.5mm |H1-H5-(L*M)|≤1.5mm
|H3-H4|≤1.5mm |H2-H6-(L*M)|≤1.5mm
|H5-H6|≤1.5mm |H3-H7-(L*M)|≤1.5mm
|H7-H8|≤1.5mm |H4-H8-(L*M)|≤1.5mm
Wherein, A is the horizontal range between the base central point of high-end support roller, A ' is the horizontal range between the base central point of low side support roller, B is the base center diagonal distance of high low side two support rollers, B ' is another diagonal distance of base center of high low side two support rollers, H1～H8 is the absolute altitude of each measuring point on the base that records of level gauge, and L is the horizontal range of base centreline space, and M is a gradient;
Spot welding parallels and base plate behind the centering, so that parallels is each other, and fixing between parallels and the base plate;
D) grouting and concrete curing
Behind the first centering of support roller base anchor bolt box is in the milk, fills anchor bolt box with pea gravel concreten, grouting height is to surface of base, and the vibration tamping, must not movable base or loading before concrete setting;
E) support roller group secondary centering
Two support roller groups are solidified at pea gravel concreten, carry out the secondary centering after the maintenance, and aligning method is tightened stone bolt with first centering, carries out back-grouting between concrete foundation surface and base.
2. the construction method of installation of coal damping drier support roller group system as claimed in claim 1 is characterized in that, described step b) is installed the support roller group and be may further comprise the steps:
1), require to be provided with the parallels group according to drawing, according to support roller group base designs absolute altitude the absolute altitude of parallels group is set, described parallels area calculates as follows
A＝C(Q1+Q2)×104/R
A wherein: described parallels area mm
2The C safety factor; Q1: because the weight of equipment is added in the load on the described parallels group; Q2: because stone bolt is tightened the load on the described parallels group of being distributed in, the permission stretching resistance of desirable bolt; R basis or terrace concrete unit area compressive strength;
2), base and support roller integral hoisting is in place according to center line that marks on the two support roller bases and the center groove on the base;
3), connect the support roller base with stone bolt.
3. the construction method of installation of coal damping drier support roller group system as claimed in claim 2 is characterized in that, described step 3) connects in the support roller base with stone bolt, and the length that described bolt exposes on the support roller base plane is 1/3～2/3 of the diameter of bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101010731A CN102134855B (en) | 2010-01-26 | 2010-01-26 | Method for installing and constructing supporting wheel set system of coal moisture control dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101010731A CN102134855B (en) | 2010-01-26 | 2010-01-26 | Method for installing and constructing supporting wheel set system of coal moisture control dryer |
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| CN102134855A true CN102134855A (en) | 2011-07-27 |
| CN102134855B CN102134855B (en) | 2012-11-21 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105767162A (en) * | 2016-03-11 | 2016-07-20 | 安徽新生力生物科技有限公司 | Grain dryer installation method |
| CN104862498B (en) * | 2015-06-08 | 2016-08-24 | 中冶建工集团有限公司 | Electron beam furnace installation engineering method |
| CN106945596A (en) * | 2017-04-17 | 2017-07-14 | 中国十五冶金建设集团有限公司 | A kind of transport of large-sized drying machines cylinder is unloaded, installation method |
| CN108001972A (en) * | 2017-11-08 | 2018-05-08 | 中国化学工程第十六建设有限公司 | The method of low rail technology transport installation large-sized drying machines |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2144800Y (en) * | 1992-08-06 | 1993-10-27 | 个旧市鄢棚永兴机械加工修理部 | Small-size drying machine |
| DE102005009230B4 (en) * | 2005-02-25 | 2008-12-24 | Jensen-Senking Gmbh | Drying plant with a dryer seal and centering means |
| CN101532771B (en) * | 2009-04-13 | 2010-11-17 | 山东天力干燥设备有限公司 | Annular tube split type steam rotary dryer |
-
2010
- 2010-01-26 CN CN2010101010731A patent/CN102134855B/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104862498B (en) * | 2015-06-08 | 2016-08-24 | 中冶建工集团有限公司 | Electron beam furnace installation engineering method |
| CN105767162A (en) * | 2016-03-11 | 2016-07-20 | 安徽新生力生物科技有限公司 | Grain dryer installation method |
| CN106945596A (en) * | 2017-04-17 | 2017-07-14 | 中国十五冶金建设集团有限公司 | A kind of transport of large-sized drying machines cylinder is unloaded, installation method |
| CN108001972A (en) * | 2017-11-08 | 2018-05-08 | 中国化学工程第十六建设有限公司 | The method of low rail technology transport installation large-sized drying machines |
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| CN102134855B (en) | 2012-11-21 |
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